Interlift 09 Coverage Cover: Ackruti City Ltd. CANopen Lift ...

The Premier Magazine for the Building Transportation Industry in India

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IndiaELEVåTORWÅRLDIssue 4, Volume 2

Interlift 09 Coverage

Cover: Ackruti City Ltd.

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CONTENTS4th QuarterIssue 4, Volume 2

2009

ELEVåTOR WÅRLD

COLUMNS:Codes & Standards84 Legislation Designed to Make Multistory Buildings Safer

Engineering68 Good Engineering Practices in a Lift System

by PVN Marar

Events44 Interlift 2009 – Indian Industry Participates

in a Grand Affairby Robert S. Caporale, MSc

48 India at United in Orlandoby Lee Freeland

Field Stories24 The First Elevator Man I Knew

by Jim Collett

Readers’ Platform28 Just in Time: The Right Time to

Place Orders for Elevators/Escalatorsby Siddanna S. Batgeri

Technology16 A Compact Gearless PMSM Solution

by Murat Demiröz

32 Further Development of Proven Suspension Means in Elevator Constructionby Dr.-Ing. Ernst Wolf and Dr.-Ing. Andreas Franz

50 CANopen Lift Standardization Embedded Networkby Holger Zeltwanger

72 Safety and Silence in Motion with the LM Mechanical Lift System from Küblerby Claudia Homburg

86 The Elevator Entrance and Safety Protectionby John K. John and K. Subramaniam

DEPARTMENTS:3 Editor’s Overview

6 Comments

8 Inside India News

18 Regional Industry News

90 Product Spotlight

91 Classified

92 India Source Directory

96 Advertisers Index

FEATURES:40 Company Spotlight

Ackruti City Ltd.by V. Rajagopalan

59 Project SpotlightDubai Mallby M.J. Mohamed Iqbal

75 TechnologyCAN in Automation’s Lift Seminarby Sudhir Abhyankar

ELEVåTOR WÅRLD

A Global Presenceby Robert S. Caporale, MSc

We have been told that the publication of ELEVATORWORLD India has benefited the Indian elevator industry inmany ways. On numerous occasions during our worldtravels and those of our Indian publishing partners, we havebeen told that our magazine has become the resource towhich the Indian elevator industry turns for local and inter-national elevator industry news and information. And it isthe primary source that industry members outside of Indiause to keep up to date on what is happening in India andthroughout Asia as well.

More than 7,000 of our print and digital subscribers to EWIalso benefit from the inclusion of technical articles, whichare used to gain new and reinforce existing knowledge onelevator and escalator engineering, system design, mainte-nance and inspection. In each issue of EWI, continuing-education articles authored by leading elevator industryexperts are also presented for industry members to reinforcetheir technical knowledge and obtain certification renewalcredits. We are proud to have been able to provide this vastamount of information to the Indian elevator industry aswell as to those outside of India who are interested in par-ticipating in this potentially vast elevator industry market.

In addition to the preceding benefits derived from read-ing EWI, the development of this product in conjunctionwith our extremely active Indian publishing partners hasgiven the Indian elevator industry a vast amount of inter-national exposure. As reported in this issue of EWI, oureditorial and commercial staff, along with our Indian publish-ing partners, attended two of the leading elevator industrytrade fairs. Both Anitha Raghunath and G. Raghu of VirgoCommunications and TAK Mathews of TAK Consulting Pvt.Ltd. were present and staffed EWI exhibit stands at theUnited in Orlando Convention and Expo in the U.S., as wellas at the 2009 Interlift Elevator Expo in Augsburg, Germany.Mathews was also a key speaker at the Interlift TechnicalForum and, during the United in Orlando Awards Ceremony,he was among the first of six International Association ofElevator Consultants (IAEC) members to be awarded the

Editor’s Overview

ELEVATOR WORLD India is a quarterly magazine published byElevator World Inc., Mobile, Alabama (U.S.) and Virgo Publications,Bangalore (India). Virgo Publications is a sister organization ofVirgo Communications, the organizers for IEE – International Elevator& Escalator Expo. Elevator World, Inc. is the premier publisher forthe international building transportation industry. Since the incep-tion of ELEVATOR WORLD magazine in 1953, the company hasexpanded core products to include ELEVATOR WORLD India, anextensive network of websites, a bi-weekly e-mail newsletter (Elenet®)and the Source©, the most inclusive industry directory.

Publishers – Anitha Raghunath / Ricia Hendrick / T. Bruce MacKinnon

International Publishing Co. – Elevator World, Inc.Indian Publishing Co. – Virgo Publications

EditorialInternational Editor – Robert S. Caporale

Indian Editor – TAK Mathews India Correspondents – Mohamed Iqbal

EW Editorial Staff (U.S.) – Terri Wagner, David Clothier, Lee Freeland, Dee Browder, Elizabeth Pate, Monica Tapper

Printing and Commercial OperationsCommercial Directors – Anitha Raghunath and G. Raghu (India) –

Tricia Cartee (U.S.)

Advertising Sales and MarketingAnitha Raghunath and G. Raghu (India) – T. Bruce MacKinnon,

Lesley K. Hicks, Scott O. Brown, Cleo Brazile (International)Brad O’Guynn (Marketing)

Robin Lawley (Education Products)Anitha Raghunath, Michelle Hanks (Circulation)

Production and InternetEW staff (U.S.) – Lillie McWilliams, Bambi Springer,

Jessica Trippe, Brett Mouron, Torri Dixon (IT)

AdministrationAnitha Raghunath (India) – Linda Williams, Jeanna Kenny (U.S.)

ELEVATOR WORLD and ELEVATOR WORLD India are registeredtrademarks and all rights reserved. Copyright© 2009. For permis-sion to reprint any portion of this magazine please write to the pub-lisher at Elevator World, Inc., P. O. Box 6507, Mobile, Alabama36660, USA or at Virgo Publications, No:132 1st Floor, 5th Cross,Cambridge Layout, Bangalore - 560008.

ELEVATOR WORLD India is published in the interest of the membersof the elevator industry in India, to improve communication within that industry and to further continuing education of members of that indus-try. ELEVATOR WORLD India publishes articles by contributing authors as a stimulus to thinking and not directives. ELEVATOR WORLDIndia publishes this material without accepting responsibility for its absolute accuracy, but with hopes that the vast majority of it will havevalidity for the field. The ideas expressed therein should be temperedby recognized elevator engineering practices, standards, codes andguidelines. Publication of any article or advertisement should not bedeemed as an endorsement by ELEVATOR WORLD India, ELEVATORWORLD, the publishers at Elevator World Inc. or Virgo Publications.Printed by Sri Sudhindra Offset Process, No.27-28, 8th cross,Malleshwaram, Bangalore - 560003, Karnataka, INDIA.

ELEVATOR WORLD India will be published quarterly in 2008and 2009: February 15, May 15, August 15 and November 15.

Advertising and subscription information is available atelevatorworldindia.com.

Continued

EWI SERVICESHow to Contact EW India• Elevator World 356 Morgan Avenue, Mobile, Alabama

36606, USA; phone: (1) 251-479-4514; fax: (1) 251-479-7043; e-mail: [email protected] or [email protected]

• Virgo Publications #132, 1st Floor, 5th Cross, CambridgeLayout, Bangalore-560008, India; phone: (91) 80-2556-7028, (91) 80-4149-3996/7; fax: (91) 80-2556-7028; e-mail: [email protected].

News, Press Releases and Article Submissions• Submissions to be considered for publication should

be sent to [email protected] or [email protected]. Editorial space is non-paid; material is accepted based on newsworthiness or educational value and may be edited.

Advertising• Contact Anitha Raghunath at (91) 80-2556-7028

or [email protected] in India. Contact T. Bruce MacKinnon at (1) 251-479-4514, ext.120 or [email protected] in the U.S.

EW Educational Bookstore• For educational books, posters, CDs, DVDs and videos,

visit website: www.elevatorbooks.com.

Qualified Elevator Consultants Certificate by IAEC PresidentRobert Dieter. This activity has not only been beneficial tothe participants, but it has also been extremely instrumen-tal in giving the Indian elevator industry a great deal ofinternational exposure as well.

It has been and continues to be extremely enjoyable andvery satisfying for us to be able to bring news and informa-tion to and from this important area of the world to Indianelevator industry members and those outside of India whoare interested in the Indian elevator industry market. Andas part of this mission, it has been an additional pleasurefor us and our Indian publishing partners to be able to par-ticipate in these important international events on behalf ofthe Indian elevator industry.

We trust that EWI readers will enjoy the technical infor-mation and news that is, as always, included in this fourthquarter 2009 issue of EWI, and that you will also appreciatethe efforts that our Indian editor and publishing partnershave extended to give the Indian elevator industry a trulyglobal presence throughout 2009. It is a mission to whichour EWI team is committed, and one that you can be surewill continue into the future. c

ELEVATOR WORLD India • 4th Quarter 2009 •6

Comments

We invite comments from our readers at either the following

postal, e-mail or Internet address:

Postal: P.O. Box 6507; Mobile, AL 36660 USA

E-mail: [email protected]

Website: www.elevatorworldindia.com

ELEVATOR WORLD India reservesthe right to edit comments

for length and clarity.

ESCALATORS WITH VVVFEscalators with variable-voltage/

variable-frequency (VVVF) controlare becoming increasingly commonfor their attractive features such asenergy savings, smooth start/stopand slow moving steps.

The current machinery arrangementcalls for additional space (around500 mm) inside the machinery com-partment for placing the variable-frequency-drive (VFD) controller. Inote that the braking resistor of theVFD control is also placed within themachinery compartment. For a stan-dard-rise escalator, with a 5.5-7.5kWmotor at the machinery compart-ment, the heat emissions are around800-1000 Kcal/hr. The machinerycompartment is fully enclosed on allsides, with the top covered by theescalator floor plate. Even thoughthe enclosures are not airtight, thereis no engineered way of ventilatingthis heat out. On a busy workingescalator, this heat emission couldcause the temperatures within themachinery compartment to rise tounacceptable levels. On a blunt com-parison, the size of the machinerycompartment is only a fraction of thesize of the machine room, which isquite spacious and ventilated.

The above situation comparesvery well with the machine-room-less (MRL) elevators, wherein themachinery is placed within a con-fined space in the head room. Eventoday, MRL elevator manufacturersmandate temperature control fortheir machinery, and we consultantsare allowing for ducted cooling atthe headroom area.

I feel that we have a very similarproblem with the VVVF-control esca-lators in controlling the temperatureinside the machinery compartment. Iam seeking to find out if any pub-lished test results are available on

THIRD-QUARTER ISSUE IMPRESSIVE

I am an industry person fromMumbai. I have just read through thethird-quarter issue and was totallyamazed by the work done by yourteam in such a short time.

After going through this issue, noone will think that it is a new maga-zine started just one-and-one-halfyears ago.

This particular issue has impressedme a lot. It covers all aspects, includ-ing local and international news,project highlights and technicalcolumns. “Future Development inElevator Safety Technology” by Dipl.Kfm. Klaus Steinweg is a real eyeopener for industry people. “TheEvolution of Elevator Door ProtectionSystems” will also be of great advan-tage to industry people and users.The articles are very informative anduseful.

I congratulate you and your teamfor making ELEVATOR WORLD Indiaa complete magazine for the industryin such a short time.Rajnikant Lad [email protected]

Thanks a lot for your encour-aging words. It has truly been a lot of hard work. I believe theIndian elevator and escalatorindustry can really be proud thatwe have a dedicated world-classmagazine.

We look forward to your con-tinued support.

. . . TAK Mathews, EWI India Editor

this subject to clarify whether theescalator machinery compartmentrequires temperature control to pro-tect the equipment and to guaranteereliable performance.Samson Rajan BabuVertical Transportation [email protected]


RAILWAY MINISTER ADDRESSES 2010 PROJECTS

In September, Indian Railway Minister Mamata Banerjeespoke at the opening of a new three-story building at theAjmeri Gate side of the New Delhi railway station. Accord-ing to The Times of India, Banerjee stated she had instructedNorthern Railway General Manager Vivek Sahai to sup-port the 2010 Commonwealth Games. The plans includea Commonwealth Express that will tour the country topublicize the event. Plans for a touring science train werealso presented.

At the same event, Sahai announced that final discus-sions were underway to install 16 escalators at the NewDelhi railway station. He added that a new foot-overbridge would be built to better access the station, whichcurrently has three such overhead pedestrian crossings.

FINLAND RECOGNIZES SANKARAKRISHNANIn August, H.E. Asko Numminen, the Finnish Ambas-

sador to India, conferred one of Finland’s highest honorson A. Sankarakrishnan, managing director of KONEElevator India Pvt. Ltd. The ambassador conferred uponhim “Knight, First Class, of the Order of the White Rose ofFinland” for his effort in strengthening relations betweenIndia and Finland. Sankarakrishnan accepted the honoron behalf of the 3,000 employees of KONE spread acrossIndia, whom he said were the real achievers, and withoutwhose cooperation and dedication KONE India would havenot achieved what it has.

KONE Elevator India, awholly owned subsidiary ofKONE Corp. of Finland, isprimarily engaged in themanufacture of elevatorsfor sale in India, Nepal,Bangladesh and Sri Lanka.Sankarakrishnan has leadthe company since 1992.

The Order of the WhiteRose of Finland was estab-lished in 1919. Distinguished Finnish citizens are

(l-r) Numminen and Sankarakrishnan

awarded orders and decorations of the White Rose ofFinland. Foreigners performing important services toFinland are also awarded. Sankarakrishan is one of onlya few from South India to receive the honor.

During the presentation, Numminen said thatSankarakrishnan has always taken a very positive view inmaintaining cordial Indo-Finnish relations by encouragingcultural exchange programs and promoting businessbetween the two countries. He added, “Sankarakrishnan’sreliability, frankness and dynamism matches very wellwith the basic culture of the Finnish people, and his con-tribution to his own country is also notable.”

THYSSENKRUPP ELEVATOR (INDIA) WINS THREE ORDERS

In June, ThyssenKrupp Elevator (India) North Zonesecured two modernization orders in New Delhi. It willsupply nine gearless elevators for Hotel Inter-ContinentalEros, three with a speed of 1.75 mps and six at 2.5 mps.All will have a capacity of 1350 kilograms. In its otherNew Delhi project, ThyssenKrupp will supply four gear-less elevators, rated at a capacity of 1150 kilograms anda speed of 2.5 mps, for the International Trade Tower.These new installations will replace the existing 13 unitssupplied by third parties in these two buildings.

Hotel Inter-Continental Eros is located in the heart ofNew Delhi’s Nehru Place commercial and shopping dis-trict. International Trade Tower is a commercial buildingthat shares the same campus with the hotel.

In the same month, ThyssenKrupp Elevator (India)North Zone was awarded a contract from SupertechInfrastructure Pvt. Ltd. to supply eight gearless elevatorsfor the Radisson Hotel in the State of Haridwar. Five ofthese will have a speed of 1 mps, and three are rated at1.75 mps. All have a capacity of 1000 kilograms.

Haridwar is developing beyond its religious impor-tance and is regarded as a major industrial destination ofthe state under the development of Industrial Estate,State Infrastructure & Industrial Development Corp. ofUttarakhand Ltd.

• Issue 4, Volume 2 • elevatorworldindia.com 9

CTBUH 2010 WORLD CONFERENCE IN MUMBAI

The Council for Tall Buildings and Urban Habitat(CTBUH) will hold its 2010 World Conference at theRenaissance Hotel & Convention Centre in Mumbai onFebruary 3-5, 2010. With the theme of “RemakingSustainable Cities in the Vertical Age,” the conferencewill address the question of how urban centers canaccommodate the millions of people emigrating fromrural areas every month. According to the CTBUH 2010website (http://ctbuh2010-india.com/ctbuh2010.html):

“Rapid urbanization of developing countries such asIndia and China over the past decade have resulted inalmost 200,000 people migrating from rural to urbanregions somewhere on the planet every day (UnitedNations statistics). This translates into the need for theworld to accommodate the equivalent of a new city of onemillion people every week. How can our existing – or new– urban centers accommodate this growth?” The list of speakers includes Ratnakar Gaikwad, met-

ropolitan commissioner of Mumbai, and PadmashreeNana Chudasama, the former sheriff of Mumbai. In addi-tion to the conference, there will be a welcome receptionon February 2 and technical tours on February 4. Earlyregistration ends on November 15. For more informationabout registration, contact CTBUH at website: http://ctbuh2010-india.com/regifees.html.

JAMSHEDPUR RAIL STATION TO RECEIVE ESCALATORS

In an attempt to improve platform amenities, theChakradharpur railway division recently announced thatit will seek to equip its Tatanagar station with escalators.A proposal requesting escalators at platforms 1, 3 and 5has been sent to Garden Reach, headquarters of SouthEastern Railway (SER).

According to Divisional Railway Manager for Chakrad-harpur, Ravindra Gupta:

“Escalators will ease rush and come in handy forpassengers, especially the elderly. It will also reduce therisk of an accident. Passengers often cross the tracks toget to the opposite platform instead of using the footbridge.Escalators will prevent them from doing so.”Gupta noted that the project, if approved, will be the

first of its kind for SER. The next step is for Tatanagarauthorities to formulate a budget.

SCHINDLER ANNOUNCES MANAGEMENT CHANGES

The board of directors of Schindler Holding Ltd. recentlyannounced that the existing zone responsibilities in itscore business are to be reorganized, resulting in changesin the composition of the Management Committee, effectiveJanuary 1, 2010. The zone EMIA (Eastern Europe, the MiddleEast, India and Africa) will no longer exist and the mar-kets served by that zone will instead be divided betweenthe new zones of Europe-North and South. Europe is to beseparated into two zones (north and south) to strengthen theorganization and better serve those markets.

Miguel A. Rodriguez, former head of the entire Europezone, is to become head of Global Business, which willalso include responsibility for the markets of India andthe Gulf. Thomas Oetterli, former head of the Swiss sub-sidiary, Schindler Aufzüge AG, will become head of Europe-North, and Didier Gaudoux, former vice president EuropeSouth Air Liquide, will head Europe-South. As a result,the Management Committee will be composed of JürgenTinggren, Rodriguez, Erich Ammann, Rudolf W. Fischer,Silvio Napoli, Jakob Züger, Oetterli and Gaudoux.

NEW CLASSIFICATION FOR HOTELSAt the request of the Ministry of Tourism, the Reserve

Bank of India has removed hotels from the commercial-real-estate classification to enable hotel developers accessto larger credits at better interest rates. In addition, theMinistry of Tourism is allowing the hotel industry to seekexternal commercial loans of up to US$100 million duringthe current financial period. The twin moves are expectedto assist the lodging industry during the current economicsituation, which includes liquidity issues that have limitednew hotel projects. According to Rediff Business News, thecountry needs more hotel rooms, and tourism officials hopethe reduced lending rates will encourage the building ofnew and larger hotels to meet an expected increase indemand for quality accommodations for both interna-tional and domestic travelers.

NEERAJ SHARMA APPOINTED MANAGING DIRECTOR FOR KONE INDIA

KONE Elevator India has named Neeraj Sharma as itsmanaging director. The appointment was effective October6. He will be based in Chennai. Sharmasucceeds A. Sankarakrishnan, who re-tired from KONE Elevator India after 17years. Prior to this assignment, Sharmawas region general manager of EnergyServices at GE Energy, with responsi-bility for India, Bangladesh and Sri Lanka.He has more than 27 years of engineer-ing experience and is a graduate of theMarine Engineering College (Directorate of Marine Engi-neering Training) in Kolkata. Continued

Shar

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Inside India News Continued

SCHINDLER TO SUPPLY THREE PROJECTSAccording to the company, developers have selected

Schindler to supply the vertical transportation for threelarge projects, including the metro systems serving Mumbaiand Delhi, as well as a new terminal for the Chennai airport.The contracts were concluded in the first half of 2009,and installation of elevators and escalators is expected tobegin later this year.

Schindler is supplying 97 escalators for the new Mumbailine’s 12 stations, which will all be elevated aboveground. The first Schindler installations are scheduled tobe installed in November. The line is the first of severalplanned for Mumbai’s new metro system and is sched-uled for completion in 2011. The first line to be installedwill run from west to east and connect Versova andGhatkopar. It is expected to be capable of transportingabout 600,000 people per day.

Schindler is also supplying 53 escalators for the DelhiAirport Metro Express Line, the latest extension to thecapital’s expanding metro system. The new 23-kilometerline, scheduled for completion in October 2010, will pro-vide a rail link to Indira Gandhi International airport.Schindler is expected to begin the installations in December.

Both metro projects have been contracted to RelianceInfrastructure. Fountainhead architects are responsiblefor the design.

FREEDONIA RELEASES NEW ELEVATOR STUDYThe Freedonia Group, Inc., has released a new study

titled World Elevators, which looks at the global marketfor vertical-transportation products and services through2013. TransWorldNews recently reported that the studyexpects this market to expand annually by 4.3% toUS$78.5 billion through 2013. According to the report,growth for services will lag behind the market for equip-ment, “which will benefit from robust construction activityin China and India.”

TransWorldNews also noted, “Measured by value,China was the largest national market for elevator equip-ment and services in 2008.” The study forecasts that 45%of additional global market demand from 2008 to 2013will be generated by China. The country is also seen asone of the largest markets for escalators/moving walks,with demand more than doubling between 2003 and 2008.

However, Western Europe remains the region in whichthe most elevators are in use, accounting for 40% of theworld’s total. This is seen as the impetus for significantgrowth in modernization and repair services for theregion through 2013.

Freedonia reports on elevators/escalators are availablefrom www.elevatorbooks.com.

The third infrastructure project secured by Schindler isa new terminal for the Chennai airport, which is expectedto boost passenger capacity from 10 million to 30 millionannually when it opens in January 2011. Schindler isscheduled to supply 41 elevators and 12 escalators for anew 140,000-square-meter terminal building, with instal-lation scheduled to start in June 2010.

EEST UPDATEWhile there is general appreciation for the need for

such an initiative as the Elevator & Escalator Safety Trust(EEST), it is clear that the reach cannot be achieved with-out significant financial and resource support from theelevator/escalator industry as well as interest groups. Nodonations have been received during the July-Septemberperiod making progress that much more difficult. Yet theTrust has achieved the following during the period.u The Trust has managed to reach 3,000 children. The

Safe-T Rider© program has been well received by thoseschools that have opened their doors to the initiative,with 100% opining that the program is much neededand excellent.

u The Mumbai Charity Commissioner conveyed to youreditor its approval of EEST under the provisions of theAct. The certificate is expected to be issued this month.This has been the result of the tireless efforts ofChartered Accountant Vidya Dasgupta. On receipt ofthe certificate, EEST will apply to the Income Tax officefor tax exemption.

u The Elevator & Escalator Safety Foundation (EESF)invited your editor to attend its Annual Board meetingheld at Orlando in the U.S. on September 24. At themeeting, EESF extended its whole-hearted moral sup-port to EEST as well as conveyed its decision to waivethe license fees for the next five years.

u EEST has contacted more than 150 companies from theelevator/escalator industry with requests for support.

Continued

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Incidents around the world continue to point towardthe need for rapid and extensive action by EEST to extendits reach and increase its initiative in one of the world’sfastest growing elevator/escalator markets. Indian usersneed to recognize that elevators and escalators, while thesafest modes of transportation, are bound to lead to inci-dents if not used prop-erly. For instance, areview of escalator in-cidents on the Internetwould show a numberof foot injuries involv-ing rubberized shoes.In the Indian context,particularly in Tier 2 &3 cities, a good numberof people wear soft-soled rubber slippers, while some arebarefoot. Unless taught safe-usage practices, they aresure candidates for injuries. In addition, sarees and dothiscan also lead to injuries. It is imperative that the informa-tion is spread rapidly. EEST requires all the whole-heartedsupport it can muster.

Reported by TAK Mathews, EEST Founding Trustee

CITYSCAPE INDIA 2009 CONFERENCEThe Cityscape India 2009 event will take place on

December 9-11 at the Bombay Exhibition Centre in Gore-gaon, Mumbai. The first day of the conference will con-sist of a gala dinner and ceremony honoring real-estatecandidates who have been part of innovative Indiandevelopment projects. In addition, develop project show-cases will take place throughout the event.

A series of roundtable discussions will also start on thefirst day and allow real-estate investors and developersto discuss current issues affecting the industry. A devel-oper project showcase during the entire event will pro-vide the opportunity for all participants to learn about thelatest developments and investment opportunities withinthe market. The last day will consist of an investors anddevelopers networking reception, which will be struc-tured to allow attendees to meet potential clients andpartners in the industry.

E-MOTIVE LCD DISPLAYS IN MUMBAI COMMERCIAL CENTER

Indiabulls is installing more than 500 E-Motive mono-chrome elevator displays in the lifts of its One IndiabullsCentre, a commercial development in Mumbai’s centralbusiness district. The displays will be installed by eleva-tor manufacturer KONE.

The One Indiabulls Centre project is comprised of two18-story towers and two 20-story towers atop a land-scaped podium with two basements. Architect HafeezContractor is designing the project and is the lead con-sultant. The structural engineering is being completed bySterling Engineering & Consultancy Services. The devel-opment will house corporate offices, a large central land-scaped plaza, restaurants, food courts, a clubhouse andrecreation areas.

SERENITY DEVELOPMENT PLANNED FOR CHENNAI

The Sabari Group is developing a 13-tower residentialproject in Chennai, which will also have a commercialcomponent. Sabari’s Serenity will offer 936 residentialunits, each with one, two or three bedrooms. Each of the13 towers will be equipped with two elevators. A commer-cial complex will offer stores, banking facilities, a library,a healthcare unit and other amenities. The nine-acre siteis located near Chennai’s information-technology corridor.The project is being developed in phases, the first of whichis scheduled to be completed in December 2010. Eachphase is expected to be built within 24 months of ground-breaking on that phase. Continued



OTIS INDIA MODERNIZATION PACKAGES LAUNCHED

According to the Deccan Herald, Otis India has begun a modernization program that includes packages toimprove the performance and reliability of elevators inolder residential and commercial buildings in the country.Such packages are part of a “smart” trend in building con-struction in India, which also includes growing popularityin building automation and management systems, improve-ment in chiller efficiency, and pre-engineered steel build-ings. The vertical-transportation company’s packages areavailable for low-speed elevators in apartments and high-speed elevators in hotels and offices.

For low-speed elevators, modernization packagesdeliver energy savings by upgrading a unit’s old controllersystem to a microprocessor-based, variable-frequency one.Sameer Joshi, deputy general manager, Communications &Modernisation for Otis India, notes, “Our modernizationpackages offer building owners and managers options toimprove elevator performance and passenger comfort”by installing efficient, greener technology.

BANGALORE METRO RAIL ESCALATOR CONTRACT AWARDED

The Bangalore Metro Rail Corp. Ltd. (BMRCL) hasawarded a contract for the design, manufacture, supply,testing and commissioning of 176 heavy-duty escalatorsfor its transit system. The order was awarded to a consor-tium of Johnson Lifts Ltd. and Suzhou Jiangnan EscalatorCo. (SJEC). The agreement is similar to an earlier order forthe Delhi Metro Rail Co. (ELEVATOR WORLD, October2007). The contract included a three-year maintenanceagreement with Johnson Lifts. SJEC will manufacture theescalators.

As per the specifications, the escalators will be de-signed to carry at least 195 riders at a time. In addition,BMRLC specified four flat steps at the bottom and top ofeach escalator installation and a step width of at least onemeter to make them more passenger friendly. The orderincludes 90 glass-balustrade escalators and 86 SSinclined balustrade escalators. The vertical rise of theunits range from 4 to 14 meters. They will be installed in40 stations, including 33 elevated and seven undergroundstations. The rail line is 40 kilometers in length. The con-tract is to be completed by September 2012. The firstcorridor involving six stations is to be completed byDecember 2010. BMRCL is part of the governments ofKarnataka and India.

J.J. D’SOUZAJ.J. D’Souza died on July 19. He joined Otis in 1962 in

India, where he worked for 38 years before retiring inSeptember 2000. He worked in construction, service,modernization and stores, the latter where he wasresponsible for keeping all major tools operational.According to colleague Trevor Broderick, “He was a bigman in all senses of the word and had an even biggerheart. He lived by the adage, ‘Safety has no quittingtime,’ and was always there to help out.” He is survivedby his wife and a daughter.

HILLARY MIRANDALongtime industry worker Hillary Miranda died

August 19 in Holy Spirit Hospital of Mumbai. He worked forOtis India’s Western Region in construction and service

for many years before moving to thePersian Gulf region, where he workedfor Otis and other companies in theU.A.E. and Bahrain. Upon returning toIndia, he worked as a subcontractorin the elevator industry.

Trevor Rodericks said of his col-league:

“[Miranda] will be remembered byhis good work culture to do his job right the first time.He was also involved with union activity, with an effortto get workers to consider the result of their actions.”He is survived by his wife and other family members.

S.T. MALIColleague Trevor Rodericks recently reported on the

death of S.T. Mali, an employee at Otis for about 37years. Mali joined the company in 1964 and worked inservice sales until he retired to his family farm andorchard near Pune in 2001. According to Rodericks,Mali innovated the maintenance-estimating system atOtis, making it more user friendly. He is survived by hiswife and two daughters. c

MemoriamIn

FALLING FREIGHT LIFT CAUSES FATALITYOn September 9, a freight lift installed in a factory near

Mayapuri Thana fell, landing on a 27-year-old man whoworked in the building. At around 9 p.m., the unautho-rized lift was being loaded with goods on the third floorwhen it fell, killing the man who was standing below thelift. The police have registered a complaint of negligenceagainst the factory owner and are investigating the incident.

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Technology

A Compact GearlessPMSM Solution by Murat Demiröz

There is no doubt that the increasing usage of perma-nent-magnet synchronous motors (PMSM) in lifts is oneof the most significant innovations of the last decade.Through developments in inverter technology and lowercosts for permanent-magnet materials, gearless systemswith PMSMs now constitute an alternative to traditionalgeared induction-motor-driven lift machines.

Since their introduction in the early 1990s, PMSMsolutions have made an impact on the elevator sectorand marketing trends. Gearless PMSM solutions havedemonstrated their advantages in energy efficiency, com-fortable ride and environmental impact.

Gearless PMSM solutions have made themselvesvisible at most of the major international lift shows, suchas Interlift and Elevcon.

Although the gearless-PMSM market has been sharedby some major international groups during the early daysof this technology, there are now many companies thatproduce PMSM for lifts all over the world, including rela-tively small-scale companies.

Since 2005, the Turkish firm AKAR Lift has been pro-ducing a variety of PMSM solutions that cover a widerange of small to medium-sized elevator systems. AKARLift has steadily increased its capacity and product diver-sity. The company can produce tailor-made lift-drivesolutions and optimizations for different systems. With 33different PMSM solutions, the AKAR Lift R&D departmentcan make modifications to meet the special demands ofcustomers in regards to capacity, traveling speed andsheave sizes.

The newest member of the line, the SMT 140 series, wasintroduced at Asansör Istanbul 2009. A compact gearlesssolution, SMT 140 offers a small footprint, and lightweightand cost-effective features. A new type of electromagneticbrake has been developed by AKAR Lift, which contributesto the compactness of the SMT 140 series.

Murat Demiröz is vice chairman of AKAR Elevator Motor Machine Co.

in Istanbul.

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SCIENTISTS PROPOSE INFLATABLE SPACE ELEVATOR

According to The Times of India, three Toronto-basedscientists believe they have a plan to overcome “a majorhurdle in realizing the dream . . . [of] finding the rightconstruction material” for the space elevator. For RajSeth, Brendan Quine and George Zhu, the answer is aninflatable space tower. The three York University scien-tists propose that an inflated hoistway constructed of amaterial like Kevlar® would be both light and strongenough to reach a height of 20 kilometers and be capableof lifting people and payloads into space.

According to the report, their proposal would consistof “a pressurized structure with compartments arrangedin vertical and horizontal sections.” Stability would beachieved with a variety of balancing methods.

Seth explained, “Inflatable structures have several ad-vantages, such as being lightweight, lower lifecycle costsand simpler design with fewer parts.” He added that anydamage to a section would not jeopardize the entirestructure: “You could puncture a segment or deflate asegment for repair and then re-inflate it without causingany risk to the overall structure.”

Canada

LARGE HOUSING DEVELOPMENT CHOOSES HUASHENG FUJITEC

Huasheng Fujitec Elevator Co., Ltd., a subsidiary ofFujitec Co., Ltd., has received an order for 248 elevatorsfor a large housing development project in Anshan. Thecompletion of the project is scheduled for May 2010. Theelevators are to be installed sequentially. Located in thecenter of Liaoning Province, the city of Anshan is in amajor iron-producing region and is the site of one ofChina’s largest steel mills.

To revitalize the city, the Anshan municipal governmenthas embarked on a massive redevelopment project cover-ing an area of 400,000 square meters in 2007. HuashengFujitec received this order for the housing project fromthe Anshan Municipal Development Department. Fujitecelevators will be installed in 18-story-tall residentialbuildings. Continued

ChinaSWFC FEATURES OTIS-DESIGNED VEHICLE ELEVATORS

Otis Elevator Co. has designed and installed an eleva-tor that is being used to transport vehicles to the 94thfloor exhibition hall in the 101-story Shanghai WorldFinancial Center (SWFC). With a capacity of 3 tons, thevehicle elevator will transport passenger vehicles andother heavy loads more than 90 floors from ground levelto the exhibition hall in about two minutes. It is one of 30elevators and 34 escalators that Otis installed in the tower.

Also included in the Otis installation were 16 superdouble-deck elevators. Double-deck elevators serve twofloors simultaneously using the same hoistway. The designallows more passengers to be served than in a single-deck, single-hoistway configuration. A super double-deck

elevator includes a scissor-like connector between thetwo cars, allowing the height of the top car to be adjusted.The adjustment takes place as the elevator moves and is not noticed by passengers. Otis officials believe thisfeature gives developers flexibility in designing buildingswith floors of different heights.

“Otis is proud to have contributed in such a unique wayto the magnificent Shanghai World Financial Center,”noted Otis President Didier Michaud-Daniel.

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QUAKE-LEVELED SCHOOLS GET HELP FROM SCHINDLER

Schindler has donated a total of US$1 million for reliefand reconstruction projects to areas affected by a mas-sive earthquake in Sichuan province in 2008 (ELEVATORWORLD, November 2008). Most of the money will gotoward the rebuilding of a kindergarten and a rural primaryschool that were destroyed as a result of the earthquake.

Construction work on the kindergarten began in Juneand is expected to be completed by the end of the year.Located near the town of Dujiangyan, about 20 kilome-ters from the center of the quake zone, the school willprovide space for 300 children and 16 teachers. It is theonly kindergarten in the area and will be namedSchindler Daguan Village Kindergarten, in recognition ofSchindler’s contribution.

In addition, Huasheng Fujitec has received other ordersfor at least 100 units for large housing development proj-ects, including:u Wuxi, Jiangsu Province (156 elevators and escalators)u Jinan, Shandong Province (119 elevators)u Wuxi, Jiangsu Province (107 elevators)u Chenzhou, Hunan Province (103 elevators)u Changchun, Jilin Province (100 elevators)

In announcing its latest order, Huasheng Fujitec notedthe demand for elevators and escalators in China isincreasing every year. The market for new installationshas resulted in an annual production of elevators andescalators exceeding 200,000 units in the country.

FLOWEXPO SCHEDULED FOR MARCH 2010The 13th International Exhibition on Valves, Pipelines,

Fluid Engineering and Process Industry, also known asFLOWEXPO, is scheduled for March 24-26, 2010, inGuangzhou. The trade show targets the manufacturers,suppliers, installers and end users of valves of generalindustrial use, including gate valves, butterfly valves,globe valves, ball-and-plug valves, diaphragm valves,shut-off valves, check valves, regulators and controlvalves, pressure valves, temperature- and level-limitvalves, plus separators and dischargers, fittings, pipeexpansion joints, connection devices, valve actuators,common types of actuators, pipelines and systems forfluid engineering and processes.

For more information, contact Faye Liu at GuangzhouFlow Expo Co., Ltd., 505 Lifeng Center, 7 Qingnian Road,GETDD, Guangzhou, China P.C. 510730; phone: (86) 20-82220077; fax: (86) 20-62614523; e-mail: [email protected]; or website: www.flowexpo.org.

Schindler funds will also be used for a new classroombuilding at a primary school near Mianyang. The building,to be called Schindler Lixin Central Primary School, willaccommodate 1,800 pupils and 40 teachers when com-pleted. The students are currently receiving lessons inprefabricated classrooms.

In addition to the two school projects, Schindler hasestablished the Schindler Scholarship for the WenchuanEarthquake to help talented pupils whose education wasinterrupted by the earthquake to finish primary school.The company also provided funds for immediate reliefafter the earthquake struck on May 12, 2008.

KONE TO PLAY A ROLE IN SHANGHAI EXPOKONE will supply more than 30 elevators and 30 esca-

lators for a variety of pavilions involved in the Shanghai2010 World Expo that runs May-October 2010. Its partic-ipation in the World Expo includes equipment for thepavilions of Spain, Australia, Finland and Hong Kong, and the Shanghai World Expo Performing Arts CenterEquipment, Pudong’s Logistics Center, the National GridEnterprise Pavilion and the expo’s Information andCommunication Pavilion.

MOBILITY FOR 2010 WORLD EXHIBITIONSchindler has been selected to provide mobility in

China’s national pavilion at the 2010 world exhibition inShanghai. The crowds of visitors to both the pavilion andExpo Boulevard (the main access route of the exhibition)will be moved by 94 Schindler escalators. Two of theescalators Schindler is supplying are each nearly 20meters long. They will transport visitors into the mainexhibition space of the China pavilion. The pavilion itselfconsists of a 45,000 square-meter podium, which will beequipped with 10 Schindler escalators and two movingwalks. Eighty Schindler escalators will go into operationin Expo Boulevard, the main entry point and access cor-ridor for the pavilions.

The expo site straddles the Huangpu River, with mostof the pavilions located in the Pudong area. Linked to theShanghai Metro and providing access to many of thesite’s permanent buildings, the boulevard will be anattraction in itself. The largest standalone structure of theexhibition, it stretches more than a full kilometer and hasthree levels, two of which are underground.

Some 70 million people are expected to visit the expo,which runs May 1-October 31, 2010. The China pavilionwill be converted into a museum of Chinese history andculture after the expo ends, while the boulevard willremain as a key axis of the city.

Regional Industry News Continued

20 ELEVATOR WORLD India • 4th Quarter 2009 •


NEW CITIES TO FEATURE THYSSENKRUPP EQUIPMENT

In September, ThyssenKrupp Elevator announced itsEgyptian subsidiary will equip two urban developmentprojects near Cairo. The two new cities, 33.6-square-kilometer Madinaty and 10.2-square-kilometer Al Rehab,

Egypt

SHENZHEN KINGKEY SELECTS MITSUBISHI ELECTRIC

In August, Mitsubishi Electric Corp. announced receiv-ing an order from Shenzhen Kingkey Real Estate Co., Ltd.for a total of 129 elevators to be installed in the KingkeyFinance Center and neighboring buildings. The 98-storymain building, which is under construction in ShenzhenCity is planned to reach a height of 439 meters. TheKingkey Finance Center will house a hotel, businessoffices and commercial facilities. Mitsubishi Electric plansto begin elevator shipments in December and finishinstallation by November 2011. The development isscheduled to be completed in 2012.

The order includes six large-capacity double-deck ele-vators that can carry 3200 kilograms or 42 passengers; 55elevators with a maximum speed of 120 mpm or more,including a 540-mpm elevator; eight elevators with amaximum speed of 105 mpm or less; and 60 elevators forthe adjacent buildings. The elevators will be manufacturedby Mitsubishi Electric Corp. Inazawa Works, ShanghaiMitsubishi Elevator Co., Ltd. and Mitsubishi ElectricShanghai Electric Elevator Co., Ltd. Previously, MitsubishiElectric has supplied elevators and escalators to ShenzhenKingkey through Shanghai Mitsubishi Elevator. The com-pany has been supplying elevators to China since 1950.

TÜV RHEINLAND ACCREDITED FOR INDONESIAN CERTIFICATION

TÜV Rheinland Indonesia has earned accreditationfrom the National Accreditation Body KAN for issuingIndonesian National Standard (SNI) approval. Manufac-turers looking to export to Indonesia can contact TÜVRheinland for a range of locally based certification services.These include developing compliance strategies, identifyingstandards and requirements, conducting testing and eval-uations, and preparing and submitting the required docu-mentation to TÜV Rheinland Indonesia for certification.

To enter the Indonesian market, SNI Marking ismandatory for electrical products, automotive components

Indonesia

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WHAT’S WRONG WITH THIS PICTURE?

The company also announced that it will be a nationalpartner for the Finnish Pavilion. As part of this partner-ship, KONE will provide a custom-made elevator for thepavilion, which is expected to play an integral part in thepavilion’s high-tech look and feel. The elevator will serveboth as an exhibition object as well as a fully functioningelevator for the pavilion.

In announcing the company’s participation in theevent, KONE President and CEO Matti Alahuhta stated:

“Following KONE’s successful involvement in the 2008Beijing Olympic installations, we are very proud to bepart of an international event of this caliber once again.The World Expo’s theme, ‘Better City, Better Life,’ corre-sponds with KONE’s strategic vision of providing energyefficient and user friendly people flow solutions for anincreasingly urbanized world.”

are being created to the east of the Egyptian capital.ThyssenKrupp Elevator Egypt received a contract to sup-ply 584 synergy elevators for the two projects. Thyssen-Krupp describes synergy as a “future-oriented elevatorsystem.” Its compact design allows installations with re-duced shaft heads and pits, and does not require machinerooms. The elevators are driven by gearless tractionmachines. The synergy elevators in this contract have adesign load of 450 kilograms, offer space for six peopleand will serve up to seven stops.

Designed for 600,000 and 200,000 inhabitants, respec-tively, Madinaty and Al Rehab will offer all the amenitiesof daily life, including residences, schools, medical facili-ties, hotels, entertainment and shopping centers, sportsfacilities, green spaces and office buildings. This is thesecond major contract ThyssenKrupp Elevator Egypt hasreceived for the two development projects. The first wasan initial order for 364 elevators. According to the devel-oper’s plans, the construction work in Madinaty is sched-uled to be completed in 2023, while the first part of AlRehab is due for completion in 2011 and the remainder in 2017.

Continued


Regional Industry News Continued

and steel articles. Currently, 23 scopes for product certifi-cation have been granted to TÜV Rheinland Indonesiaand the company expects more to come.

Peter Merguerian, North American manager of Inter-national Approvals for TÜV Rheinland, explained:

“For the sales of products abroad, constant monitoringof the regulatory requirements in the target market isessential. Not only is this accreditation a benefit to TÜVRheinland Indonesia, but it also opens up many opportu-nities for our offices in North America and around theworld in assisting local manufacturers with customizedmarket solutions.”

MITSUBISHI ELECTRIC ISSUES ENVIRONMENTAL REPORT

Mitsubishi Electric Corp. has released the MitsubishiElectric Group’s Environmental Report and EnvironmentalTopics for fiscal 2009, which details the group’s environ-mental activities between April 1, 2008 and March 31.The full report was released on both its Japanese website(www.mitsubishielectric.co.jp/csr) and global English-language website (global.mitsubishielectric.com/company/csr) in July.

A statement from Mitsubishi Electric noted:“The Environmental Topics section in particular intro-

duces some detailed examples of the company’s successin achieving both highly efficient, compact and lightweightproducts, as well as improvements in productivity.”

Japan

PROJECT PLANNED FOR ATASEHIR DISTRICT IN ISTANBUL

VARYAP is developing a 372,000-square-meter projectin Atasehir, a section of Istanbul the government plans toturn into a financial district. The project is being designedby the New York and Istanbul studios of RMJM. Overlook-ing the Bosphorus Strait, the plans include a 60-storytower, 1,500 residential units, a hotel, offices and confer-ence facilities. Expected to serve 20,000 people, the projectis scheduled to be completed in 2011.

M. Erdinç Varlibas, CEO of VARYAP, told The Architects’Journal:

“Our aim is to ensure that we leave a better world tofuture generations, and we believe that the VARYAPMeridian project will raise the standards of the Turkishreal-estate market generally. The unique design reflectsour cultural heritage as well as a true consciousness ofthe environment, which we strive for in all our projects.”

Turkey

To achieve its environmental goals, RMJM analyzedthe site, topography and climate to utilize its naturalpotential and establish building orientation and land-scaping. Features include rainwater collection sites, wind-turbine technology, cooling water pools and a cogenera-tion plant.

BRUGG WIRE ROPE OPENS NEW DISTRIBUTION OPERATION

Swiss manufacturer Brugg Wire Rope, Inc. has openeda new distribution operation within Dubai’s Jebel Ali FreeZone. The new operation is intended to help customersaccess Brugg Wire Rope’s hoist ropes (parallel and point-contact designs), governor ropes and other products,accessories, tools, services and information designed toaddress the needs of the regional elevator industry.According to Brugg Wire Rope, this operation is “part ofits continuing commitment to provide a global networkfor [its] wire rope products.”

United Arab Emirates

THYSSENKRUPP ELEVATORS IN PALAISQUARTIER

The developers of the PalaisQuartier in Frankfurt amMain have selected ThyssenKrupp Elevator to install theelevators and escalators in the complex. The installationwill include ThyssenKrupp’s 100th TWIN system, sevenconventional elevators and a shared destination controlsystem in the development’s 96-meter-tall hotel tower.ThyssenKrupp Elevator will supply a total of 48 elevatorsand 28 escalators for the four-building PalaisQuartierdevelopment, including an express escalator in the MyZeilshopping and experience center. With a length of 47meters and a rise of 21 meters, it will be one of the longestescalators installed in a shopping mall in Germany.

The project is being jointly developed by MAB Devel-opment Group B.V. and Meyer Bergmann Ltd. Dubai-based Jumeirah Group will operate the hotel. The MyZeilshopping center, which opened in February, is managedby the Retail & Marketing division at MAB DevelopmentDeutschland GmbH. The other two components of thedevelopment are an office tower and the restored Thurnand Taxis Palais. c

Worldwide

Regional Industry NewsSend to the editor: P.O. Box 6507, Mobile, AL 36660;

fax: (1) 251-479-7043; or e-mail: [email protected]


Field Stories

The First Elevator Man I Knewby Jim Collett

Introduction The best part of all my years in the

elevator industry was the people Iworked for, around and with. Lastyear, my mother suggested I docu-ment my 40 years in the trade. Attimes, it was hard and dangerouswork. Most of my stories are aboutthe humorous things that happenedduring those years, but in order totell the whole story, I must includethe tragedies – both personal andwork related – that happened duringthat time.

My stories are really about thecolorful and not-so-colorful people Iknew. This is their story and a tributeto the finest elevator man I have everknown, my father.My Father

My Father, Vance, earned an elec-trical degree at a local college whilegrowing up in San Bernardino, Cali-fornia. He was an avid ham/amateurradio operator. When World War II(WWII) broke out, he enlisted in theU.S. Navy. With his qualificationsfrom civilian life, the Navy sent himto Oklahoma A&M, from where hewas commissioned as an ensign. Hewas then assigned to Treasure Island,California, as an instructor in the useand repair of radar and radio equip-ment. By Victory over Japan Day, he’dbeen promoted to lieutenant, trans-ferred to the Great Lakes Naval Stationin Chicago and put in command ofthe radio and radar training division.

When my father returned to Cali-fornia, his brother Nelson (a longtimeOtis employee) was able to steer himin the right direction to land a jobwith Otis. Starting as a helper, he

worked his way through the ranks tobecome a service manager in LosAngeles. Dad started as a typical“grunt” in the Construction Depart-ment for Otis in Los Angeles. With hiselectrical background, he was able towork his way up to adjuster. Hestarted out adjusting smaller jobs like10/20U’s and hydraulic freight ele-vators in remote locales. He traveledall over the western U.S., moving onto adjusting class-A installationssuch as autotronics and 80U’s. Hetired of traveling and being awayfrom home, so he asked Otis for aservice job. However, in two months,he was back on the road adjustingelevators – the job he loved!

Dad’s travel wasn’t just adjustingelevators. During the building boomin the western U.S., Otis dominatedthe elevator market. The companydid most of the installations in hospi-tals and office buildings in distantand smaller cities. It had installed its standard 10/20 duplex all overArizona, California and Alaska. How-ever, a problem with the duplexinglocking up both cars appeared inthese units. On the smaller, gearlessinstallations, there was a differentproblem. The cars would stall in lev-eling, sit and cook. My father wasable to troubleshoot this problemwhile catching a stalled car in the act.The compounding was so touchythat the car couldn’t make it into thefloor under certain conditions. Hegrabbed the driver and moved it inthe direction of travel, and “bingo,”the car leveled.

In remote areas, a car could soakfor days. Because of these problems,

Jim Collett is an elevator-

industry veteran of 40 years

and began his career with

Haughton Elevator Co. in

Glendale, California, Los

Angeles, Las Vegas and San

Diego. He then worked

for Montgomery Elevator

Co. and Westinghouse.

Collett was offered another job at Haughton as

Service superintendent in Seattle until the com-

pany sent him to Sacramento to work with

Schindler-Haughton. Collett later went to work

for Keystone and then Reliable in Los Angeles,

and back to Sacramento until he was offered a job

in Monterey, California, at Tri County Elevator. He

remained with that company for 12 years and

retired in 2000. He lives in Monterey with wife

Patti, a chihuahua named Belle and a strange look-

ing cat called “Spoochi.” A member of IUEC

Locals 8, 18 and 19, Collett runs a regularly-

updated weblog called “Elevator Man Stories” at

elevatormanstories.wordpress.com.

Continued


Field Stories Continued

building personnel would have to hike the stairs andmainline both elevators to get them running again.Yonkers developed a fix that Dad started installing in LosAngeles. This was both extremely time consuming andrequired a great deal of material. After installing it onseveral cars in the city, he came up with his own fix,which only required a half hour per car and 10 feet ofwire. After Yonkers approved his fix, he hit the roadagain.

Alaska and Arizona had many such installations need-ing fixing. After applying his fix in Tucson and Phoenix,he was off to Alaska. He traveled to Juno, Fairbanks,Ketchikan, Anchorage and other small cities, at timesflying in a two-engine seaplane. He always said he missedMom and me during his time up there, but we knew heloved every minute of it.

In the early 1960s, Dad was recruited by ElevatorMaintenance Co. (EMCO). Working for EMCO provided awealth of experience due to the diversity of the equip-ment the company built, bought and installed. Haughtonbought EMCO a couple of years later, and Dad soonbecame chief adjuster. He adjusted everything from the olddamping motor series field control to regulator-generator

systems to tachometer-feedback systems with the 1092ICGroup Supervisory System.

If Haughton shipped it, Dad fixed it, adjusted it andturned it over to the customer. His work was cut out forhim. Haughton was experiencing severe growing pains. Itwas moving from the way elevators had always beenbuilt to the beginnings of the way elevators are today.Nothing worked – everything had to be fixed in the field,including governors, safeties, motor control and super-visory systems. Dad fixed it all. He nursed every newproduct the company came out with, made it work, madeit reliable and made sure the service department couldkeep it running well.

Mom always seemed to worry just a little when Dadwent off to work. As a kid, I didn’t know what was both-ering her until one day there was a knock on our door. Itwas summer and our living room was filled with kidsplaying games, eating watermelon and generally messingaround. The man at the door was Phil, one of Dad’s bestfriends and a fellow elevator man.

Mom asked us to be quiet and not trash the house untilher return. When we asked what happened, she told usthat Dad was hurt and Phil was taking her to the hospital.The next time I saw my father, he was in a hospital, flaton his back and not happy. He had been working on atoe-guard junction box at the bottom floor, lost his bal-ance and fell into the hoistway. The fall was a short onebut did its damage. He was very lucky because he hit thepit floor, missing all of the pit equipment. He was in ahospital bed for the next month or so, then rested athome for the next two months.

We visited him every day, and during those visits he musthave felt I was old enough to appreciate the dangers ofworking on elevators. He started telling me about his nearmisses and the not-so-fortunate results of other accidents.

While adjusting a car and getting it up to speed, ahelper working in an adjacent hoistway had ventured toofar into the hoistway belonging to Dad’s running car. Thecar hit the helper and knocked him down the hoistway.The helper fell two floors, severely breaking his arm. Allwork stopped so that he could be helped. Dad suggestedkeeping the man still and not moving him. He told themall to keep him as comfortable as possible until medicalhelp arrived. He was overruled by the foreman, an oldtimer who thought he knew it all. He tied the broken armto the man’s chest with 16-gauge wire and had him climba ladder to the landing. Two minutes later help arrived.Due to the extensive damage to the arm, the move andthe shoddy first aid, he lost his arm.

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Dad was working another large job in Los Angeleswhen a skip with four men aboard fell eight floors whenthe rigging for the three-to-three rope blocks failed. Threemen rode it out but didn’t survive the impact. The fourthman managed to grab a spreader beam during thedescent and was able to hang on. Unfortunately, though,he was hit by the rest of the rigging coming down thehatch and also killed.

During those days, with no safety skips, guard rails orharnesses, accidents were commonplace. Companiestried putting guard rails on the skips, but found out thatfield workers would use them to gain height to workrather than pull the skips up by hand. Also, there werealways things coming down the hoistways. Guard railsbarred workers’ emergency exit, so crews resisted theidea. I never worked off a skip equipped with safetiesuntil about 1970. Once they caught on and crews gotused to them, they saved many lives.

Dad went on to tell of a freak accident that happenedon an out-of-town job. The crews were working four ten-hour days in order to spend three days at home. Afternormal working hours, a full roll of carpet came down thehoistway and landed directly on top of one of themechanics’ feet. The roll crushed his foot, in addition tothe steel toe that was supposed to protect it. The mannever worked again, and to make matters worse, he hada tough time getting his benefits since the accident hap-pened after contractual working hours.

Dad also told of a very unusual work assignment hewas given. A service mechanic had his hand in the wrongplace while wiping down a machine. The driver sucked inthe rag along with his hand and severed it at the wrist.The mechanic had the presence of mind to apply a tourni-quet, make it to the top-floor lobby and ask the under-standably freaked-out receptionist to summon help. Thesevered hand had fallen through the cable blockout and

was resting on the car top. Dad rescued it and took it tothe hospital. Being the 1960s, there was no chance of itbeing reattached.

On a much lighter note, he told me about the time hewas working alone in a machine room of an occupiedbuilding. An exposed exciter shaft managed to grab holdof his pants leg and rip off his pants. I can’t seem toremember how he got out of that one.

The end of Dad’s career was not pretty. His eyesightwas beginning to fail, but being the proud, stubborn manhe was, he refused to take a service route when offeredone. The company didn’t make a serious effort to utilizehis wealth of talent. It exemplified the old saying, “Whathave you done for me today?” Never mind the years ofdedicated service, problem solving and loyalty. Regard-less, my father retired in 1977, built his dream home inthe desert and lived there until he passed away in 1993.

My father’s greatest attribute was teaching. He notonly taught union school, but he taught his helpers well.Most of his helpers went on to become adjusters, routemen, service managers, superintendents and successfulcompany owners. He always took the time to answerquestions and made sure that they were understood. c

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Readers’ Platform

Just in Time: The Right Time to Place Orders for Elevators/Escalatorsby Siddanna S. Batgeri

The Bandra-Worli sea link, whichwas partially opened to the public onJune 26, is considered an engineer-ing marvel, as it’s the first of its kindin India. When this project wasstarted in 1998 it was estimated tocost INR6 billion (US$125 million);now the costs are expected to reachINR13 billion (US$271 million). Whena project is delayed both the customerand the vendor suffer, in what canbest be described as a “lose-lose” sit-uation. A similar situation prevails inthe vertical-transportation industryin India, but this can be addressedwithout hassle, leading to a “win-win”situation for both the customers andthe elevator/escalator equipmentmanufacturers.Current Situation

At the moment, only about a thirdof orders are placed at the appropri-ate time. In 50% of cases, they areplaced too early, and in 20%, too late.One reason for this relates to whenthere were only two or three playersin the Indian elevator market, andcapacity limitations meant the leadtime to deliver material was long,sometimes six to eight months. Withthe construction industry growingrapidly over the past 10 years, wenow have most of the major worldplayers trying to capture the Indianelevator market. The good news is thatin spite of surging demand for eleva-tors and escalators the lead times formaterial delivery have been drasticallyreduced. Now a normal automaticelevator from a reputable supplier can

be delivered on site within a month.However, most customers still placeorders too early because of fear thatthe project could be delayed due tolack of the material.

A second reason customers ordertoo early is based on previous expe-rience; it used to take a long time tocommission and install an elevator.The completion of an elevator is, again,very much dependent on the interfaceof works such as architraves, powersupply, etc. This can lead to delays evenif the material has been delivered ontime. To be on the safe side, procure-ment managers tend to order early.Implications for the Customer u Provisions must be made earlier

for the cost of the elevator. Eventhough elevators account for onlyabout 2-3% of the total buildingcost, it’s in the customers’ interestto keep the money in their accountfor as long as possible.

u Valuable storage space on site isconsumed by elevator materialsand components, sometimes formonths at a time, because theyhave been delivered too early.

u The longer elevator material isstored on site, the more likely it isthey will be damaged or stolen,which can lead to delays for theentire project and increase thecost because of insurance claims.

u Ordering too early also affects thecontract validity, which can leadto an increase in the price of thecontract, and a loss of warrantyon the equipment.

Siddanna S Batgeri is

group leader of New Instal-

lations at M/s Schindler India

Pvt. Ltd. in Mumbai. He has

a Mechanical Engineering

degree from REC Suratkal

(the National Institute of

Technology) in Karnataka,

India. He has seven years

of experience in the elevator industry, having han-

dled several large projects such as malls, airports,

five-star hotels and high-rise residential towers.

One installation is the Hotel Sahara Star Mumbai,

(EWI, First Quarter 2009) which has three custom-

made panoramic elevators.


u Reconditioning charges may be incurred for materialthat has been stored on site for a long time. It is notalways possible to get the original performance of theequipment even after reconditioning.

Implications for the Elevator Manufactureru Dissatisfaction of the customer and tenantsu Allotment of trained technicians and erectors become

complicated, resulting in weaker control on the site.u Managing material on site becomes difficult because

of damage, theft, reconditioning of material, etc.u Loss of revenue because material stored on site increases

the inventory in the field, which further delays thefinancial closure of the project.

Before OrderingFollowing these points simplifies the ordering process

and helps avoid the problems mentioned earlier in thecase of new installations (Figure 1):

a) Lead time for material deliveryb) Lead time for installation and commissioningc) Building completion pland) Approval from the authorities

Important QuestionsWhat is the “lead time for delivery of the material”? Is it

a local or an imported product? It is also important to knowhow the process works, from placing the order to hand-over, including drawing approvals, terms of payment, etc.

What is the “installation and commissioning lead time”once the shaft has been handed over to the elevatorsupplier? This becomes critical when there are groups ofelevators in a building. A formula can be used as a gen-eral guideline for installation and commissioning of theelevator. (This includes all of the required civil and

Buildingcompletionplan

Lead time for installation

Lead time formaterialdelivery

Approvalsfromauthorities

Procurementmanager

Figure 1

electrical interfaces.) Lead time for installation and com-missioning equals 11 days plus three, multiplied by thenumber of floors in the building. For example, for a 15-floor building, the lead time would be 11 + (3 x 15) = 56working days. This includes all of the required civil andelectrical interfaces.

What is the “building completion plan”? Specifically,the lift shafts in respect to the lift machine room. Oncethis is done, there are basic preparatory works to be car-ried out such as the entrance front brick wall, scaffolding,shaft white wash, electrical cabling, etc., and the timerequired for this needs to be taken into account. Continued

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• Issue 4, Volume 2 • elevatorworldindia.com 31Figure 2: Building under construction

Figure 2 shows a building where standard machine-room-less elevators are to be installed, and there are stilltwo floors to be constructed. Placing the order in thissituation would meet the just-in-time philosophy.

The “approval from authorities” is also an importantfactor when placing orders, because without this theelevator cannot be installed. Also, the material suppliedis contract specific and any changes in stops or capacitywill require the material to be reordered at additional cost.

In the case of “modernization projects” (full replacementof the equipment), points c and d, a building completionplan and approval from authorities are not relevant sincethe building already exists. However, it is important todiscuss and agree upon the sequence for replacing theold elevators as all of the existing elevators cannot bedismantled and replaced with new ones simultaneously.Proper ordering will result in smooth execution withoutcausing a nuisance to the tenants staying in the building,and, at the same, storage problems can be avoided by nothaving all of the elevator material delivered at once.Conclusions

Planning plays a vital role in the completion of theproject. In addition, the synergies between the purchas-ing and the site project manager are also crucial alongwith the elevator manufacturer for creating a “win-win”situation. Generally, the project management consultanttakes care of this, but there are many small customerswho must make these arrangements themselves. c

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Technology

Further Development of Proven Suspension Means in Elevator Constructionby Dr.-Ing. Ernst Wolf and Dr.-Ing. Andreas Franz

Dr.-Ing. Ernst Wolf is CEO of Gustav Wolf Seil

– und Drahtwerke GmbH & Co. KG.

Dr.-Ing. Andreas Franz is a technical director

of Gustav Wolf Seil – Drahtwerke GmbH & Co.

KG. with responsibility for the steel wire rope

division.

Energy efficiency, ecological effi-ciency, environmental compatibility– all issues which, in countless othersectors, have become an establishedaspect of the elevator industry. Whileonly a few years ago, increased speedsand higher elevators at the lowestpossible prices were generally at theforefront of development objectives,today research tends to be driven bythe achievement of greater economyand sparing use of resources. Thedesign of the first machine-room-less elevator in 1996 sparked a movetowards smaller and more efficientdrive systems which questionedexisting concepts and consequentlymarked a departure into a number ofnew directions. Even counterweightshave become surplus to requirements– a development which nobodywould ever have envisaged only afew years ago.Outset Situation

The design of any new elevatorinstallation today increasingly focuseson the following criteria:u Efficient use of raw materialsu Low-energy consumption during

manufacture and operationu Long service life of all componentsu Facility for recyclingu Sustainability of production

Consideration of these criteria islinked to the more stringent demandsplaced on the means of suspensionused in elevators. While a long serv-ice life has always been expected ofelevator ropes, their influence onpeople and the environment duringoperation has now also become apriority issue. Low noise and the useof environmentally compatible lubri-

cants are only two of a catalog ofrequirements imposed on modern sus-pension means. Manufacturers addressthese challenges with a variety of dif-ferent concepts. The steel rope stillremains the most widespread meansof suspension in use today.

The degree of energy required tomanufacture steel as a raw materialfor producing steel ropes is relativelylow. Also decisive is the fact thatonce produced, steel can be recycledwith no loss of quality. It is here thatthe benefit of steel ropes is broughtto bear in comparison to compositedesigns or suspension means made ofother structural materials. The com-plete cyclical nature of its productionloop makes steel a unique material.The ratio of scrap used in the overallsteel production process has beengrowing steadily for years (Figure 1),helping to save valuable energy andalso to reduce CO2 emissions. Tothis extent, steel may be consideredan environmentally friendly materialwhose potential is far from beingexhausted. In the context of steelropes used in elevators, there are twodirections for possible optimizationand further development:u Increasing the metallic cross-section

of ropesu Increasing the strength of the indi-

vidual wiresIncreasing the Metallic Cross-Section of Ropes

In the field of elevator construction,generally speaking steel wire ropeswith a fiber core in a 8x19 Seale or8x19 Warrington strand constructionare used. In step with the increas-ingly stringent demands imposed on


ropes, more frequent use is beingmade of specialty products such asnine strand, full steel core and dou-ble parallel lay ropes.

Recognizing that compacted ropesare also used in crane engineering,Gustav Wolf launched a comprehen-sive research program in 2004/2005to test the suitability of this type ofrope in elevator construction. Theresults were unveiled at the secondStuttgart Rope Day in 2005.

It is generally known that bothcomplete ropes and certain selectedstrands of a rope can be compactedusing various processes such as draw-ing, hammering or rolling. Com-paction always alters the shape ofthe wires while maintaining thesame metallic cross-section. Toavoid dropping below the specifiedrope diameter after compaction, out-side wires with a larger diameter areused as a starting material. At thesame time, a compacted rope demon-strates a higher metallic cross-sectionthan a comparable non-compactedrope. In addition, the pressures ex-erted during compaction bring abouta smoothing effect on the individualstrand surfaces.

The research carried out by GustavWolf looked at the changed charac-teristics of compacted steel wireropes by examining the answers tothe following questions:u In ropes with fiber core, does com-

pacting the outer strands onlyserve to increase service life?

u How do the elongation propertieschange?

u How does the higher metalliccross-section affect service life?

u Are the strands more resistant totransverse pressure forces as aresult of compaction?Three rope types were selected to

take part in the study. Alongside thestandard 8x19 Seale rope with fibercore (8x19SNFC), the same construc-tion but with a steel core (8x19S-IWRC), as well as a compacted rope

with fiber core (8xK19SNFC) weresubjected to testing. The precise ropeparameters are shown in Figure 2.

Fatigue bending tests were per-formed in accordance with the testmethod prescribed by the Institute ofMechanical Handling and Logistics(IFT) at the University of Stuttgart.

The bending zones were definedin accordance with the test rules laiddown by Organisation InternationalePour l’Etude de l’Endurance desCâbles (OIPEEC). All test ropes weresubjected to the same rope tensileload for each of the test horizons.Tests were performed on three dif-ferent test sheaves (round groove,undercut groove, V-groove) underfive different tensile loads with a D/d

ratio of 25. The ropes were set up withthe lubrication supplied by the manu-facturer and were not re-greased.

The results of the tests were usedto determine:u Number of bending cycles till fail-

ure depending on sheave parame-ters

u Number of bending cycles till fail-ure as a factor of rope design

u Cross section development andtransverse pressure stability

u Elongation propertiesAll the tests were performed and

their results were described in detailin ELEVATOR WORLD, March 2006.

To summarize, the tests per-formed revealed the following: Ifropes with fiber cores are compacted,

Figure 1: Ratio of scrap used in overall steel production in Germany

Figure 2: Test series 2004/2005 - rope parameters

Continued


Technology Continued

an improvement of the rope servicelife is achieved. Ropes with steelcores demonstrate an even longerservice life than compacted ropeswith fiber core. This is a result of thehigher metallic cross-section. Trans-verse pressure stability is only mar-ginally improved by compaction infiber core ropes, while steel coreropes demonstrate substantiallyhigher transverse pressure stability.The study also showed that com-pacted ropes demonstrate lowerelongation compared to non-com-pacted ropes. Consequently their useentails a potential for savings interms of operating costs. The con-clusion which can be drawn from thetests is that compacted ropes offer apotential alternative for use in eleva-tor engineering. In almost all fields,their behavior is shown to be similarto steel core ropes.

With a view to substantiate andconfirm the test results, a series offurther-reaching tests were run in2006/2007, with two new ropesunveiled at Interlift 2007, which metwith an enthusiastic response fromour industry. The special feature ofboth ropes is their compacted outerstrands. CompactTrac and PowerTrac

CompactTrac (Figure 3) is an 8-strand rope with fiber core and com-pacted outer strands. It offers alonger service life in comparisonwith popularly used conventional 8-strand fiber core ropes. The “secret”behind PowerTrac (Figure 4) is the si-multaneous use of compacted outerstrands and a steel core. This combi-nation ensures a marked increase inservice life. Figure 5 provides a com-parison of the achievable service lifeof CompactTrac, Power-Trac andconventional 8-strand fiber corerope on the basis of the number ofbending cycles until failure.

The two new ropes are character-ized in detail by improvements in thefollowing areas:u Longer service life due to higher

number of bending cycles untilfailure, and improved wear resist-ance due to the larger surfacearea of the outer strands.

u The larger surface area of theouter strands leads to a better seatin the groove of the tractionsheave resulting in a reduction ofthe concentrated (point) load onthe elevator ropes which com-monly occurs in conventional ele-vator ropes. The surface pressureis more evenly distributed overthe ropes. This results not only inminimization of wear but alsosubstantially lower noise andvibrations.

u Reduced elongation due to thehigher metallic cross-section. Theclearly improved elongation prop-erties of the rope also bring areduction in maintenance work.When different forces are actingon the car and counterweight side,slippage of the rope on the trac-tion sheave is reduced by the highere-modulus of the rope, reducingfriction and consequently wear.

u Smaller diameters are possibledue to higher breaking loads. Theassociated material savings meanlower costs for new installations. With CompactTrac and PowerTrac

products, Gustav Wolf has developeda new generation of elevator cablescharacterized by a longer service lifeand less costly maintenance. Testsare currently being run to determine

Figure 3: CompactTrac – rope cross section

Figure 4: PowerTrac – rope cross section Figure 5: Comparison of the number of bending cycles until failure

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the effect of increasing the metalliccross section on the compaction ofsteel rope cores.Heart and Soul

It is generally accepted that thequality and consequently the servicelife of a wire rope depend cruciallyon its core. This vital importance iswhat gives the core its Germanname “Seele,” which translates as“soul,” and indeed any rope is onlyas good as its core. Its support func-tion must be durable and effective if it is to absorb the high apex pres-sures applied by the surroundingstrands and prevent prematurestrand contact. Given this vital func-tion, looking to improve corestrength would appear an obviousapproach to increasing the servicelife of the rope.

In an age when elevator installa-tions are required to operate overgreater heights, there is a consensus

that ropes with steel cores are takingover natural fiber cores, even thoughfiber core wires certainly still have avaluable role to play in certain appli-cations. Symptoms reported fromthe early days of the steel core suchas loosening or basket formation ofthe outer strands are now distanthistory. Rope manufacturers todayhave now mastered the art of coordi-nating contact ratios between thesteel core and the outer strands.

Nowadays, 8- and 9-strand ropesare used almost exclusively in eleva-tor installations. This is becausetheir contact surface in the groove isgreater than is the case with 6-coreropes, which ensures lower Hertzianpressure. Particularly in the case of8- and 9-strand ropes, a correctlydimensioned core takes on a specialsignificance. The “strand camber,”which is greater compared to a 6-strand core, must be radially well

supported without strand contacttaking place. Compacted Rope Cores

Elevator manufacturers continu-ously push out the boundaries ofwhat can be achieved, for instanceby using diminishing traction sheavesizes. However, the resulting reduc-tion in the D/d ratio and higher trac-tive forces result in higher surfacearea pressure both between the ropeand the sheave and also inside therope itself. In ropes with a steel core,this inner pressure is greater than isthe case with fiber core ropes. How-ever, if the surface of the wire is flat-tened, in other words the strands arecompacted, this pressure is reduced.

The notching effect is appreciablyreduced in strand wires with smootherservices. A compacted steel core withits increased metallic cross-sectionalso offers far greater dimensionalstability, slowing down the process

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of diameter reduction and notchingbetween the outer strands.

Comparative fatigue bending testsunder equal load show that ropeswith compacted steel cores demon-strate around 10% higher bendingresistance than those without acompacted steel core.

Bending resistance can be furtherincreased by ensuring sufficient andregular re-lubrication. Figure 6 illus-trates the increase in bending resist-ance brought about by regular lubri-cation during bending tests on afiber core rope, a steel core rope anda combined or mixed core rope. Italso clearly shows that the degree bywhich bending resistance increasesas a result of re-lubrication is greatestin the case of steel core ropes,indicating that the benefits of a steelcore rope are only brought to bearproviding it is regularly lubricated.

On the other hand, despite thecontroversy of the debate surround-ing the subject, it is an indisputablefact that fiber cores store lubricantand give it off to the rope over thecourse of its service life.

A mixed core rope ideally com-bines the benefits offered by purefiber cores with those of metal cores,reducing not only friction betweenthe wires themselves, but also be-

tween strand wires of the steel coreand the wires of the outer strands. Atthe same time, the strands of thesteel core benefit from soft support,and pressure between the steel coreand the outer cores is reduced. If thestrands of the core are additionallycompacted as in the PAWO F3IWRC(K) (Figure 7) and PAWO F7IWRC(K) (Figure 8) ropes, the con-ditions for an optimum service lifehave been created.Increasing the Strength of the Individual Wires

Although the nominal strength ofthe elevator ropes is prescribed byDIN EN 12 385-5, an increase in thestrength of certain wires is possible.The standard actually states: “Thenominal strengths of core wires,filler and core wires must be definedby the manufacturer.” This gives thegreen light for manufacturer to use,for instance, inner wires with ahigher strength rating.

If high-strength wires are alsoused in the top layer, these elevatorropes may only be used subject to aseparate type of examination certifi-cate. Examples of this type of specialrope are the PAWO 8x19W-IWRC 6.0mm and 6.5 mm, which are used inthe ISIS and Synergy models fromThyssenKrupp Elevator, and the

PAWO F3 6.0 mm, used by LMLiftmaterial in its JADE elevator.

Alongside the positive repercus-sions of an increase in strength, suchas a higher breaking load, reduceddiameter, possible reduction of thetraction sheave diameter and sav-ings in terms of material and energy,the less positive aspects must natu-rally be taken into account. Theseinclude the possibility of higher wearoccurring with traction sheavesmade of soft materials. Only hard-ened sheaves should consequentlybe used. However, lined sheaves arealso familiar from the field of shafthoisting plants, and the possibility ofusing plastic sheaves can also beconsidered. Although some thoughtthey would be subject to the prob-lems inherent in ropes running onplastic sheaves. The production of

Figure 6: Number of bending cycles until failure with continuous lubrication

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Figure 7: PAWO F3 IWRC (K) – rope cross section

Figure 8: PAWO F7 IWRC (K) – rope cross section

Continued



good physical properties coupledwith high strength. Steel with a 0.92%carbon content and micro-alloyedchrome currently provide the higheststeel rod quality.

Differing opinions have beenvoiced in the past on the influence ofincreasing wire strength on fatiguebending properties and consequentlyon the service life of a rope. Onefinding by Woernle[3] stated thatwhile the application of constantrope tractive force causes the ropelife to remain constant for wirestrengths ranging from 1280 to 1960N/mm2, an increase in wire strengthcoupled with a constant rope safetyfactor brings about a drop in servicelife. Müller[4] discovered that ropesmanufactured from wires withnominal strengths of 1570 to 1960N/mm2 achieve approximately thesame number of bending cycles untilfailure with application of identicaltractive forces.

For the first time, Wolf[5] exam-ined a large number of ropes todetermine the influence of wirestrength on service life, and estab-lished the fatigue bending life ofwires as a parameter influencing theservice life of the rope. The results ofthe research established a correla-tion between the increase in rotating

bending fatigue and the increase inthe service life of wire ropes if otherparameters such as a particularlylarge or small core mass are left outof account.

Figure 9 illustrates a wire rotationbending machine of the type used forquality assurance purpose at GustavWolf. The tested wire is clampedbetween two collet chucks in a 180°arch. One of the two chucks isdriven, the other moves in an easy-running coupled motion. The dis-tance between the chucks can beadjusted as required, allowing theload and consequently the flexuralstress to be changed. The speedsachieved under different levels offlexural stress are recorded. Themeasured values are used to pro-duce a service life curve (Wöhlercurve) (Figure 10), which allows astatement to be made regarding thedynamic efficiency of the wire.

Continuous in-process tests onproduced rope wires have resulted inoptimization of the wire drawingprocess at Gustav Wolf. By imple-menting the tests described aboveand using the findings, today suit-able high-strength ropes can beproduced in compliance with thespecific requirements of each indi-vidual rope customer.

Figure 9: Wire rotation bending machine Figure 10: Example of a Wöhler curve

high-strength wires calls for extensiveindepth expertise.Manufacture of High-Strength Wires

Steel rod manufacturers todayoffer a selection of more than 200qualities. Rope wires are generallymanufactured from unalloyed steelwith a carbon content of around 0.4to 0.9% by means of cold forming.Steel rod complying to DIN EN 10016 with a diameter of 5 to 10 cm isgenerally used as a starting material.

Selection of the steel and itsmethod of processing to produce awire are contributory factors in achiev-ing the greatest possible degree ofresistance to pressure coupled withoptimum bending characteristics. Thecurrent consensus is that a fine-gradesteel microstructure offers the opti-mum conditions. The grain size isinfluenced by introducing certainadditives to the melt and in particularby the subsequent processing methodused to produce the rope wire.

The strength and other propertiesof the wire are determined in themain by the carbon content of thesteel, the degree of deformation oc-curring during the drawing processand the types of heat treatment(patenting) used. As the proportionof carbon and the degree of defor-mation increase, the wire gains instrength, while its elasticity, bendingproperties and torsional flexibilitygenerally diminish.

Rope wires made of micro-alloyedsteel qualities (e.g., alloyed withchrome or vanadium) demonstrate


Ropes From High-Strength WiresOne product of the research work

preformed at Gustav Wolf is 4.0 mmelevator rope with wire strength inexcess of 2000 N/mm2 and out-standing fatigue bending properties.This rope has been in successful usefor a considerable period in theKONE Maxispace and Re-Generateelevator systems (Figure 11).

Using a rope of this extreme thin-ness allow the elevator manufac-turer to substantially reduce thediameter of the traction sheave incomparison to the sheave requiredfor a 8.0 mm rope. This in turnreduces the necessary drive outputand permits the use of smaller,energy-saving motors. But substan-tial savings can also be made in theuse of the high-grade raw materialsfor rope production. If a rope with astrength of 1570 N/mm2 had beenused in a comparable installation,the weight of the rope would haveincreased by around 40 kg in eachcase. Based on a not unrealisticassumption of 1000 lift installationsper annum, this would mean a cal-culated saving of 40 tons of steel.

Where thicker ropes are involved,the potential for material and energysavings through the use of higher-strength wires becomes even moreevident. The 9-strand rope 19.0 mmPAWO F10 HT, for example, has abreaking force currently matchedonly by 22.0 mm ropes of a com-parable design. If we compare theweight by meter, a saving of around40% is achieved in the high-strength19.0 mm rope compared to its 22.0

mm equivalent. As the 9-strandropes are used particularly in high-rise installations involving an extremelylong running length, every last gramof intrinsic weight counts. Alongsidethe material savings, the valuableenergy saved by the reduced driveoutput is also considerable.Summary

If the available potential for influ-encing steel characteristics is selec-tively utilized during the processingof steel to produce wires and duringfurther wire processing operations,considerable improvement of theperformance of steel ropes as sus-pension means in elevator con-struction can still be achieved. Thisapproach not only reduces the use ofnatural resources but also savesenergy. As the result of targetedresearch and development, GustavWolf has succeeded in developingand marketing new energy-efficientsteel ropes with a high performancecapacity. Continuous investment inproduction plants used to manufac-ture wires and ropes guarantees one of the highest product standardswhile reducing environmental impact,energy requirement and the consump-tion of raw materials. Gustav Wolf iscommitted to the pursuit of this typeof sustainable production process.References[1] Wolf, E. and A. Franz. Seilentwicklung für

Aufzuganlagen (Rope Development forElevator Installations) Lift-Report, Heft5/2005, 28–32.

[2] Wolf, E. and A. Franz. “Rope Developmentfor Elevators”; ELEVATOR WORLD, March2006, 122–126.

[3] Woernle, R. Ein Beitrag zur Klärung derDrahtseilfrage (Towards Clarification of the Wire Rope Question) VDI 72 (1929) 13,417–426.

[4] Müller, H. Drahtseile im Kranbau, Auswahlund Betriebsverhalten (Wire Ropes in CraneConstruction, Selection and OperatingBehavior) VDI Report no. 98, reprint dhf 12(1966) 11, 714–716 and 12, 766–773.

[5] Wolf, E. Seilbedingte Einfl üsse auf dieLebensdauer laufender Drahtseile (Rope-Related Influences on the Service Life ofRunning Wire Ropes) Diss. UniversitätStuttgart 1987.

Reprinted from Lift-Report

Figure 11: 4.0 mmelevator rope fromGustav Wolf in theMaxispace

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Ackruti City Ltd. was established in 1980 and is one ofMumbai’s leading real-estate developers, providing com-prehensive residential- and office-space solutions withinthe industry. It has several “firsts” to its credit. For exam-ple, Ackruti Sky Park – India’s first fully automated multi-level car parking solution, Ackruti Softech Park – Mum-bai’s first private softech park and India’s first and largestbiotech park, which was built in Gujarat.

Ackruti City has expanded to office spaces in India, aswell, and is known for landmark projects such as Hinje-wadi IT Park in Pune, Ackruti Trade Centre, Ackruti Cen-tre Point and Ackruti Star in Andheri (E). These projectshave influenced the real-estate industry, as well as corpo-rate office space.

To explore potential segments, Ackruti City has cre-ated a new residential category, “Just Perfect Homes,”with three aspects in mind: quality, luxury and price.These homes will be launched in Mumbai, Thane andPune. The integrated planning of Ackruti Greenwoods inThane, Ackruti Gardenia on Mira Road and Ackruti Coun-trywoods in Pune helps improve their quality. As the com-

Ackruti City Ltd.by V. Rajagopalan

Ack

ruti

City

Park

Co

mp

an

ySp

otli

gh

t

V. Rajagopalan has been

the chairman and managing

director of City Lifts India

Ltd. since 1985. He previously

worked with Otis and ECE

elevator companies. With an

electrical engineering back-

ground, he specializes in elec-

tric drives and controls for

elevators. He has introduced innovations to make

products to make more environmentally friendly. He

has more than 30 years of experience in the elevator

industry.

pany believes in community living, these complexes in-clude club houses, swimming pools, jogging tracks; chil-dren’s play areas, a multipurpose hall, multipurposecourts, etc. The launch of “Just Perfect Homes” saw morethan 1,200 apartments sold in the early months. In addi-tion, Ackruti City is developing projects in Andheri (E),Andheri (W) and Sion.ACP

Ackruti Corporate Park (ACP) was planned and de-signed to enhance the productivity of businesses. Its widefront atrium welcomes users into the complex, the floorsof which consist of large plates of approximately 40,000square feet per floor. Located in Kanjurmarg, the newcommercial hub of Mumbai is connected to the EasternExpress and the Western Express highways and has easyaccess to other business areas like Andheri (E), MIDC andSEEPZ through JVLR and Navi Mumbai.

City Lifts has equipped the building with observationpassenger and service elevators. Its passenger elevatorsare glass-enclosed with views on all sides through itsnude elevators series. The lifts are eco-friendly andpower saving, served by permanent-magnet AC gearlessmachines. The elevators are designed to comfortablytransport tenants, even during peak traffic times.

The concept was conceived by architect Hafeez Con-tractor and his team of associates. City Lifts (India) Ltd.was involved during the design stage to match the


Glass elevators

Continued


customer/designer requirement. The four glass-enclosedelevators installed in the atrium are some of the first oftheir kind in India without any vertical support membersfor holding the glass panels. The four custom-made 1020-kg-capacity nude elevators for seven stops, travel at aspeed of 1.75 mps and are a rectangular shape; whenaligned, they are located in the atrium in group of twocars for better traffic handling.

These glass panels are specially designed for a one-hour fire rating and are toughened and laminated. All ofthe glass was tested for load impact. The panels areguarded with a skirting arrangement. The car-operatingpanel is provided on the hand-rail. In order to avoid lubri-cants exposed through the glass, roller guides were used.

Higher-capacity machine-room-less units were se-lected to avoid compensating ropes for better aesthetics.Three-dimensional door sensors for the car doors havemulti-beam infrared sensors. Since the structure is madeof glass, fixing hall push-button boxes on the glass wallwas a serious problem. The hall buttons are at all land-ings and all wiring is camouflaged. c

Ackruti City Ltd. Continued


Events

On October 13-16, the Interlift 2009 elevator exposi-tion was held in Augsburg, Germany. Preliminary statis-tics compiled immediately following the event indicatedthat in spite of the downturn in the world’s economy, theevent was comprised of 480 exhibitors and drew 18,200visitors. As expected, 50% of the attendees were fromGermany, with the rest from all of the world’s continents.The early figures indicated that as many as 19% of thevisitors came from Asia, and 4% from Africa, with thelargest African contingent coming from Egypt. The unex-pected news was that more people came from SouthAmerica than from North America this year.

Throughout the event, more than 1,600 visitors andexhibitors’ representatives attended a technical forum,moderated by Werner Böhm. The subject matter coveredduring 49 presentations included a wide range of topicsrelated to the lift industry. Engineering and technology, aswell as numerous business-related issues, were dis-cussed by well-known industry members during paneldiscussions and individuals’ presentations. Also high-lighted in the forum were presentations that covered thestate of international markets, with an emphasis on NorthAmerica, India, China, Italy, and other European nations.The presenters from India included TAK Mathews of TAK

Mathews Consulting and Virgo Communications ofMumbai, India, whose presentation was entitled, “India –From the Incredible to the Unstoppable,” and Raj Venka-traman Fortune Consultants of Dubai and the U.A.E,whose presentation covered “Post Economic CrisisOpportunities.”

In addition to numerous presentations covering a widerange of technical subjects, the other business-relatedsubjects on international markets were covered by PhilReid, president of the National Association of ElevatorContractors, who covered North America; Fabio Liberaliof Elevatori, who discussed Italy and Europe; and ZhangLexiang of the China Elevator Association (CEA), whoprovided insight into the Asian market.

The seven exhibition halls were filled with exceptionalexhibit stands, with island exhibits that included variousindividual products and, in some cases, one or morecomplete elevators, and an abundance of escalators.Equipment highlights of the expo displayed miniaturepermanent-magnet AC gearless machines for use inmachine-room-less elevator configurations, outstandingarchitectural products with glamorous cabs and entrances,and various control-equipment components and sys-tems. Hall Five, which was recently built especially for the

Interlift 2009 – Indian Industry Participates in a Grand Affair

by Robert S. Caporale, MSc

Continued

During Interlift 2009, Sematic and Revanthi Enterprises announced theestablishment of a joint venture company named Sematic-Re, Pvt., which willmanufacture Sematic products in India for the Indian market.


Interlift Exhibits

Interlift Exhibits


Events Continued


Interlift exposition, served its purpose well. Built withoutany interior columns, the new hall showcased numerousmajor exhibits and provided clear views of all of thestands displayed therein.

The Asian continent was well represented by twotechnical forum presenters and Anitha Raghunath and G. Raghu of Virgo Communications, the Indian publishingpartner of ELEVATOR WORLD India and the organizer ofthe IEE Expo to be held in Mumbai on February 3-5, 2010.The China elevator industry was represented by CEA anda large number of Chinese elevator companies, theexhibit stands of which occupied four isles in an areaidentified as the China Pavilion, located in Hall Three.

During the final press conference, Interlift organizersAFAG Messen und Ausstellungen GmbH and sponsorVFA-Interlift indicated that this year’s event was an out-standing success. Preliminary surveys indicated that 70%of the exhibitors were satisfied with the 2009 Interliftevent and that they would return to participate in Interlift2011. Although not all of the remaining exhibitors had yetbeen able to commit to returning in 2011, none indicatedthat they would not be back in two years.

Interlift 2009 was a success for all parties involved, aswell as for the visitors that came from around the worldto participate in what has become the largest elevatorindustry exhibition in the world. Interlift 2011 is sched-uled for October 18-21, 2011. For information on how toexhibit or participate in the next Interlift event, contactAFAG at www.afag.de or sponsor VFA-Interlift atwww.vfa-interlift.com. And be sure to make yourarrangements to attend early, as Interlift 2011 is sure tobe another grand affair, which will undoubtedly cater toa sellout crowd. c

Mathews

Mathews, Ragunath and Raghu

Raj Venkatraman

Technical forum


Events

ELEVATOR WORLD India Editor TAK Mathews was ap-proved as a qualified elevator consultant in the U.S. at theUnited in Orlando convention and exposition. In additionto his duties as Indian editor for EW India, Mathews isprincipal of TAK Consulting Pvt. Ltd. He has about twodecades of experience in the vertical-transportationindustry. Among other Indian delegates was EW IndiaPublisher Anitha Raghunath, who had the opportunity toparticipate in a meeting of the Vertical Initiative of Elevatorand Escalator Women, in which she was quite surprisedat the number of women involved in the industry.

India at United in Orlandoby Lee Freeland

(l-r, facing) EW IndiaPublishers T.Bruce

MacKinnon, Ricia S.Hendrick and Raghunath,

and the latter’shusband G. Raghu

The September 18-24 event at the Gaylord PalmsResort & Convention Center in Orlando was full of meet-ings, receptions, education, parties, golf and an exposi-tion, which took place on September 22-23. This secondUnited event was a joint meeting of four of the majorindustry associations in North America, the CanadianElevator Contractors Association, the International Asso-ciation of Elevator Consultants (formerly the NationalAssociation of Vertical Transportation Professionals),NAESA International and the National Association ofElevator Contractors. c

QEC recipients (l-r) Mike Fagan, Dick Gregory, Sheila Swett, Paul Rosenberg,Garrie Michael and TAK Mathews (photo by Al Oeser Photography)

Anitha Raghunath at the Elevator World, Inc. booth


Companies that operate in India represented the country well at the United show.


Technology

CANopen Lift Standardized Embedded Networkby Holger Zeltwanger

Holger Zeltwanger is managing director of CiA

in Nuremberg, Germany. He received a degree

in Electrical Engineering from the University of

Applied Sciences, Fachhochschule Braunschweig in

Wolfenbuettel, Germany. He previously worked

as technical editor for German and U.S. magazines

and founded the CiA international users’ and man-

ufacturers’ group.

The CANopen® Lift applicationprofile, also known as CAN inAutomation (CiA®) 417, standardizesthe communication between lift con-trollers and lift-control units, such asinput/output panels, car drives, cardoors, etc. The first version wasreleased in 2004. The second versionwill be released after the Interliftexhibition in Augsburg, Germany, inOctober.

The original objective of theCANopen Lift approach was toachieve interoperability between liftcontrollers and lift-control unitsdeveloped and manufactured by dif-ferent companies. However, the CiA417 set of specifications does notstandardize devices. It specifiesfunctional elements (so-called vir-tual devices). It is up to the devicedesigner to implement one virtualdevice or multiple virtual devices.This flexible approach allows usersto integrate proprietary subsystemsusing other communication tech-nologies that might be based on CANor another data link layer. CiA 417does not specify the system architec-ture; the lift designer chooses thenetwork architecture.

Figure 1 shows a typical architecturefor a multi-shaft lift system using oneCANopen network segment for theconnection between the car drive/door controllers and the call/displayunits. Each shaft uses its ownCANopen network segment to linkthe drive/car controller to the car-drive unit, including car-positioningunit and the car-door unit. Theremay also be a load-measuring unit, adata recording unit or a gateway to

the facility management system forremote diagnostic or other purposes.First Experiences

CANopen Lift version 1.0 has beeninstalled in more than 3,000 lift-control systems, with the majority ofthem in Europe, but increasingly inthe East. Some systems providecommunication between car drivecontroller, car-drive unit and car-positioning unit. More complex liftcontrol systems comprise severalCANopen Lift network segmentsinterconnected by means of bridge/router devices and often controlmulti-shaft lift applications.

Experience with version 1.0 systemshas influenced the CANopen Lift spec-ification version 2.0. In particular, thecar-drive unit and corresponding cardrive controller have been updated.Due to new functional requirements,some car-positioning units have beenintroduced for slip control. Anotheraddon is the functional enhancementof input- and output-panel units. Thenew version has also been altered toimprove readability.

Configuring complex CANopenLift systems and troubleshooting arechallenges if PC-based tools are notused. Without such software tools, itis difficult to find failure in complexlift control systems, especially if onehas installed more than one network.On the other hand, the CANopen-based lift control system is easilyextended. When installing a CANopenLift network system, difficulties areoften related to CAN physical layers,which require good cabling and ter-mination by means of resistors atboth ends of the bus line topology.


CAN – The Basis of CANopen LiftsCAN was developed for use in passenger cars. Intro-

duced in 1986, the serial bus was internationally stan-dardized in International Organization for Standardization(ISO) 11898. The CAN data link layer specifies messageformats. CANopen Lift uses the CAN data frame, which isbroadcast to all nodes in the network. Depending on thelocal acceptance filter, each node decides whether thereceived data frame is processed. Error and overloadframes are produced automatically by the CAN controllerchips in case of error and overload conditions. The usercannot influence the transmission. The remote framesrequesting the transmission of data frames should not beused in CANopen Lift systems.

The data frames are transmitted asynchronously,which means that several nodes may transmit dataframes. In order to give a node the right to transmit, the

CAN protocol uses a non-destructive Bus arbitrationmethod. Therefore, all data frames have a unique identi-fier, the CAN-ID. They are defined for each message bythe CANopen Lift application profile. The system designermay use additional CAN-ID for proprietary purposes,which have not been standardized by CiA 417. One mayalso use some of the predefined CAN-IDs in a networksegment if corresponding functionality is not needed.

The CAN physical transmission in CANopen Lift networksis compliant to ISO 11898-2 (CAN high-speed transmission).The default bitrate is specified as 125 kilobits per second,with the sample point as specified in CiA 301 (CANopenapplication layer). As mentioned above, bus ends of thebus line need to be terminated by resistors (nominal 120Ohms). Network segment length should not exceed 500meters. Typically, the busload should be lower than 10%,which should guarantee communication without delays.

Shaft 1

NMT “flying” masterPDO bridge (1)

NMT “flying” masterPDO bridge (2)

Callcontroller 1

Callcontroller 2

Car drivecontroller 1

Carposition 1

Carposition 1

Car doorunit 1

Car inputpanel

Car outputpanel

Load-measuring

Input panel

Input panel

Outputpanel

Outputpanel

Car doorunit 1

Car inputpanel

Car outputpanel

(1) NMT master for CANopen 2 (2) NMT master for CANopen 3

Car driveunit

Car driveunit

Car drivecontroller 2

Car doorcontroller 1

Car doorcontroller 2

Shaft 2

CANopen 3CANopen 2

CANopen 1

2nd floor

Figure 1: Typical multi-shaft lift systems using CANopen Lift

Continued



0

0

0

0

0

0

0

0

1

1

1

1

1

1

0

0

0

0

1

1

1

1

0

0

1

1

1

1

0

0

1

1

0

0

1

1

0

0

0

0

1

1

0

1

0

1

0

1

0

1

0

1

0

1

1

1

Close door without limit force (NOTE)

Close door with limit force

reserved

Open door without limit force (NOTE)

Open door with limit force

reserved

reserved

Stop door without torque

Stop door with torque

reserved

to

reserved

Tech-in drive

Reset door

Do not care / take no action

NOTE: Not allowed for EN-81 compliant lifts

Command Door lock

LSBMSB

CAN-ID: 0x200 Door 1 command Door 2 command Door 3 command Door 4 commandDLC = 8

12 11 10 9 8 7 6 5 4 3 2 1 0

Doorvelocity

Motiondetector

Fingerprotector

Batterypower

reserved(11b )

Figure 2: Transmit process data object of the car door controller

CANopen – The Application LayerThe transmission of data frames does not provide

standardized configuration and diagnostics. In order toachieve this, additional standardization on a higher levelis necessary. Interoperability between devices can beachieved when using standardized data frames for con-firmed communication services and predefined payloadsin emergency messages. The CANopen application layeralso specifies a network management, so that the devicesare booted in a standardized way. In addition, the networkmanagement includes a supervision function by means ofthe heartbeat protocol, which can detect missing nodes.

For configuration and commissioning purposes, theCANopen application layer provides service data object(SDO) protocols. They allow down-loading and uploading

data of any size and can overcome the 8-byte payloadrestriction of data frames by means of segmentation onthe sender side and reassembling on the receiver side.The SDO is a confirmed communication service, meaningthat the receiver confirms any SDO request message witha corresponding SDO confirmation message. In case ofproblems, the SDO client or server sends an SDO abortmessage in order to inform the other side about thedetected problem in detail. The SDO message includesthe unique address of the parameter. The unique addressis made of a 16-bit index and an 8-bit sub-index. Theentire list of all parameters is called the CANopen objectdictionary, which is the heart of each CANopen device.

The CANopen object dictionary comprises all commu-nication and application parameters, which are accessible

Continued



by means of SDO. From the application point of view, themost important CANopen application layer communicationservice is the process data object (PDO). Some PDOs inthe CANopen Lift application profile are confirmed on theapplication level. For example, the car control systemsends the PDO commands to move the car drive, whichare confirmed by means of status information mappedinto the PDO of the car-drive unit. Each PDO may mapdifferent process data (control data or status data) up to8 bytes. There are mapping parameters for each PDO inthe object dictionary, which give information about thecontent of each PDO. The system designer may configureapplication-specific PDOs in addition to standardized ones.CiA 417 – The Application Profile

Based on the CANopen application layer as specified inCiA 301 and the additional CANopen functions as speci-fied in the CiA 302 set of documents, the CiA 417CANopen application profile for CANopen Lifts definesthe configuration and application parameter in detail. Inorder to give device manufacturers freedom, CiA 417does not specify devices. The application profile justdefines virtual devices. In version 2.0 the following virtualdevices are described:u Call controlleru Input and Output panelsu Car drive controlleru Car drive unit (electrical motor)

u Car-positioning unit (e.g. encoder)u Load-measuring unitu Car door controlleru Car door unitu Light-barrier unit

In addition to the configuration parameters for thementioned virtual devices, the CiA 417 application profilespecifies process data, which is mapped to predefinedPDOs. The car door controller transmits for example, aPDO containing commands for four doors. This PDO issent in multi-cast to the door control units. Each doorcontrol unit sends a PDO providing door status informa-tion. The car door controller receives all PDOs. If one hastwo doors in the car, one may equip each door with con-trol units connected to the CAN network individually oruse one CANopen device implementing both virtual doorcontrol units. The manufacturer can decide whether toequip the car input/output panel with its own CAN inter-face or to implement this together in the car door unit inone CANopen device.

If the CANopen device implements several virtualdevices, all predefined PDOs must be supported. In orderto reduce the number of predefined PDOs for input andoutput panels, no single switch or lamp is mapped intoseparate PDOs. For that purpose, a general input or out-put parameter is used. This means one has to transmitthe switch or lamp value, in addition to which switch or

Index 0x6304 to 0x6307 (door 1 to door 4)Sub-index 0x01: door velocity profile

Sub-index 0x02: door open width profile

Sub-index 0x03: door type

Sub-index 0x04: light-barrier event modus

Sub-index 0x05: force limit reached modus

Sub-index 0x06: finger protector modus

Sub-index 0x07: motion detection modus

Sub-index 0x08: light-barrier re-close

Sub-index 0x09: light-barrier broken

Sub-index 0x0A: closing force limit re-close

Sub-index 0x0B: lost of heartbeat

0x00 = door unit sends only its status by PDO0x01 = door unit re-opens its door0x02 = door unit stops door motion0x03 = reserved: : :0xFF = reserved

Figure 3: Car door unit configuration parameters

Continued


lamp is used. In order to get a complete process image fordiagnostic purposes, all inputs and outputs are repre-sented by a parameter in the object dictionary, which canbe read by SDOs.

It is possible to describe up to eight lift applications(shafts) with the CANopen Lift approach. The communi-cation between the controllers is not standardized. Forthis, one needs to configure PDOs using CAN-IDs, whichare not used by the other devices. In more complex liftapplications, one will need to use several CANopen net-work segments interconnected by means of a PDO bridgeand, optionally, SDO/emergency router devices as speci-fied in CiA 302-7. Those devices are generally program-mable or configurable. For a simple one-shaft lift controlsystem one will typically use CANopen network seg-ments: one for all floor input/output panels connected tothe call controller, which also implements the car driveand car door controller. The control system has a secondCANopen Lift interface to link the car drive, car door, carpositioning and car input/output panels to the centralcontroller. Optionally, the load-measuring unit is con-nected to this segment.

In order to use tools for configuration and diagnosticpurposes, all used CANopen devices are described by

means of a standardized electronic data sheet (EDS).There are two standardized formats: a text-file and XMLformat. EDS is used as an exchange format for allCANopen tools. If the device is configured, it is repre-sented by means of a device configuration file. If the toolhas knowledge of the CiA 417 application profile, it mayhide all CAN and CANopen details to the user. This meansone may only be able to see the tool’s screen withoutPDO or SDO application information. One may also con-figure the car door in clear text by means of SDO the cor-responding parameter in door control unit. The tools willalso check for an installed light-barrier unit.Summary

The CANopen Lift application profile allows users tobuy other lift control components and connect them. Inorder to avoid dealing with CANopen details, one needsconfiguration and service tools. The highly standardizedapplication profile allows substituting a device with thesame functionality produced by another manufacturer.There are several sources for floor and car panels, car≠positioning units, car drive units, light-barrier units andprogrammable controllers. Other device manufacturersmay be expected to implement CANopen Lift-compliantload-measuring units, car door units, etc. c


When Burj Dubai’s construction commenced in 2005, a large sign on thehighly trafficked Sheikh Zayed Road proclaimed, “The earth is going to havea new center.” Indeed, all roads will lead to the mother of all malls, theDubai Mall. Opened in early November 2008, the facility was developed byEmaar Malls Group. It is located in Dubai’s Financial City. Covering a totalof 12 million sq. ft., the mall’s size is equivalent to 50 soccer fields. It is expected to attract millions of visitors within its first year of operation.

Kidzania, a children’s “edutainment” concept that is new to the region, isbeing introduced in Dubai Mall, along with a Sega indoor theme park, a 22-screen cineplex and an Olympic-sized ice rink. The theme park will besituated on two levels with 76,000 square feet of area. Based on Sega’s pop-ular theme park in Tokyo, this one will be the flagship and pioneer of itskind in the region. Sega’s partner Emaar Malls will help develop and buildfeatures such as motion-simulated rides and one of the largest arcades inthe world intended to appeal to all age groups.

DubaiMall by M.J. Mohamed Iqbal, EW Correspondent

Above (clockwise from top left):

• The Dubai Mall has a total internalfloor area of 5.9 million sq. ft.,with 3.77 million sq. ft. of leasablespace for 1,200 retail outlets, twoanchor department stores andover 120 food and beverage outlets.

• A five-star adjoining hotel will hold250 rooms and 450 serviced apartments.

• One of the world’s largest indoorgold souks exists within DubaiMall.

Project Spotlight

Continued


Escalators, moving walks and elevators are integratedinto every side of the indoor gold souk, Fashion Avenueand food court. The latter offers 120 outlets, from fine din-ing to casual eateries, with a wide range of price, style andambiance. Overlooking Burj Dubai and Burj Dubai lake,the al fresco dining places are popular eating venues.

The Fashion Catwalk, a 20-meter-long hydraulic walk-way and stage area occupying a main area of the FashionAvenue, is a multifunctional venue capable of hostingfashion shows and events. Fashion Avenue will includestores by such brands as Versace, Burberry, RobertoCavalli, Hugo Boss, Loewe, Galliano, Hermes, Givenchy,Cerruti, Missoni Tom Ford, Escada, Ermenegildo Zegnaand Badgley Mischka.Dubai Aquarium

A centerpiece of the project is Dubai Aquarium, featur-ing a special “lunar-cyclic” lighting system that willchange the ambience of the tank depending on the timeof day. The aquarium, one of the largest tanks in theworld at 51 m X 20 m X 11 m, includes one of the world’slargest viewing panels at 32.8 m X 8.3 m. With a capacity

of 10 million liters of water, the aquarium showcases oneof the most diverse collections of marine life worldwide.Over time, the facility will have more than 33,000 livinganimals representing more than 85 species. The planningand setup of Dubai Aquarium is in accordance with WorldAssociation of Zoos and Aquariums guidelines andabides by a comprehensive Code of Ethics and AnimalCare with respect to the acquisition and display of the se-lected species.

Dubai Aquarium’s Discovery Centre is located abovethe tank. It takes an interactive approach to educatingchildren and visitors on the ecology and sustainability ofmarine life through activities such as touch pools andglass-bottomed boats. Following the journey of a rain-drop in the sky falling from the mountains to the sea, chil-dren can learn how our ecosystems work. The center willfeature at least six interactive features that involvehuman-animal contact.The Grove

One of the mall’s unique precincts is an open-airstreetscape that brings an outdoor community feel with

Dubai Mall Continued

The under-construction Burj Dubai (left) can be seen from many of the mall’s restaurants. A 440,000-sq.-ft. fashion precinct within the mall is dedicated tohaute couture.

Left: • One of the world’s

largest single-volumeaquariums, DubaiAquarium, features a180° walkthroughtunnel, which is inside Dubai Mall.

Continued


tree-lined walkways, cafés and restaurants. The retailmix focuses on outdoor recreation and an activelifestyle. With a fully retractable roof, the Grove offers ayear-round outdoor experience. It is the only precinct inthe Dubai Mall where retailer storefronts have been de-signed to tie in with the overall open-air streetscape con-cept. For customers, this means that shopping can beenjoyed in a visually appealing and leisure-driven envi-ronment that celebrates outdoor life. Retraction of theGrove’s roof takes only a few minutes, giving visitors thecomfort and protection of indoor shopping with the aes-thetics of the outdoors.

M/S Schindler won the contract for the mall’s eleva-tors and escalators. The units are well distributed, withescalators taking up the major part of bridging the vari-ous levels along the walkways. They are easily seen andreadily accessible from almost any part of the develop-ment, and their finishes have been coordinated with thesurroundings. In particular, the outer sheathing is in var-ious forms – gypsum, metal cladding and woodwork have

each been aesthetically applied, depending and relatingto the ambience of the location. A few escalators are alsofully panoramic, allowing passersby to view their innerparts.

The elevators in the mall have been installed mostly inutility areas around major common pathways like carparks and beside the ice rink and atriums. Thus far, the 90elevators in a project of this magnitude seems inade-quate. The employment of machine-room-less (MRL)units inside the mall and overhead traction units in thecar park areas has indicated very judicious usage ofspace and application. Almost all elevators are equippedwith an LCD information panel utilizing scrolling text thatcan be programmed to display up-to-date data such asweather forecasts and news.

The project has been enhanced by its connection to thesuper-tall development Burj Dubai. Two moving walksconnect the structures at their ground floors. Two addi-tional moving walks to connect the mall with the coveredcar park (which can accommodate 14,000 cars), adding toDubai Mall’s total of 244 people-moving units. c

Left (l-r):

• The 150 escalators in themall are well located.

• Time will tell if the 90 eleva-tors in the mall will be sufficient.


Events

Using Elevators to Evacuate High Rise Buildingsby David Nicholson

Delegates at the fourth InternationalSymposium on Human Behavior inFire, held at Cambridge University inthe U.K., heard the latest thoughtsabout the use of elevators in the caseof fire in high buildings. A commonlyheld view is that a tipping point hasbeen reached, where elevators willnow routinely be used in fire emer-gencies, in contrast to their veryinfrequent use in these situations upto this point.

A series of reports on the WorldTrade Center (WTC) attacks of 2001were presented, showing the differ-ences in people’s behavior whenexiting WTC 1 (the first tower to be hit)and WTC 2. The conference heardthat elevators remained working inWTC 2 – and helped people get outbefore the blast – which was respon-sible for saving as many as 3,000 lives.Yet, around 200 people perishedwhile in or waiting for elevators inboth towers.

The studies revealed how the oc-cupants of the two towers depended

on elevators for their daily ingressinto and egress from the building.Almost 90% of those surveyed didnot know where the staircases fromtheir offices led and 94% had neverleft the building by the stairs as partof a fire drill.

Alarmingly, 68% of those surveyedwere obese or overweight, poten-tially adding to the difficulties theyexperienced when trying to exit thebuilding down the stairs. Congestionon the stairwells caused delays inevacuating the buildings, both as aresult of the number of people try-ing to get out of and the presence ofthe fire crews trying to get into thebuildings.

“People were unprepared for thephysical challenge of getting downthe stairwells,” explained JasonAverill of the National Institute ofStandards and Technology, “and theydidn’t understand the transfer stair-wells.”

Since the WTC disaster, calls forfireproof elevators have continued to

David Nicholson is a

London-based freelance

journalist. He writes for the

U.K. broadsheet papers,

international publications,

a range of magazines and

internet sites. A graduate of

Trinity College, Cambridge,

Nicholson writes about

technical, scientific, financial, travel and arts subjects.Busy conference hall

Continued


Trying to predict how people will behave in afire is fraught with difficulty, since it is almostimpossible to recreate the conditions of a fire(without actually setting fire to a building) togauge how people will react.

Researchers from many international universi-ties gathered in Cambridge, the U.K., for the 2009International Symposium on Human Behavior inFire to present their real-life stories of serious firesand what had been observed during them.

Most dramatic were the eyewitness accountsfrom the World Trade Center (WTC) attacks ofSeptember 2001. Several research projects haveconducted hundreds of interviews, held focusgroups, and recorded testimony from survivorsand witnesses. Many of these stories are only nowbecoming public, as the research projects draw toa close and release their findings.

Of course, there were significant differencesbetween the behavior seen in WTC 1 – the firsttower to be hit – and WTC 2, where almost all theoccupants below the impact of the plane wereable to escape, and they escaped 50% faster thanthe occupants of WTC 1. Many occupants ran tothe roof, believing that they could be rescued byhelicopter, yet the thermal currents from the firemade this impossible. A quarter of all survivorshad psychological injuries following the event.

The entire power system in WTC 1 was lostfollowing the attack, making it hard for anyone toget information and closing off the elevators asmeans of escape. A duplicate power supply couldhave helped in this situation, along with dedicatedmobile phones for fire wardens to allow them tocommunicate with a central operations base,especially in the absence of a functioning public-address system.

Another coordination issue was raised by hav-ing so many smaller firms in the buildings, whichlacked proper fire preparedness. The level ofawareness of the attacks varied from some wit-nesses (12.5% saw the planes approach and crashinto the buildings) to others who were only awareof an event taking place when they heard a loudcrash (which was caused by an elevator withbroken cables smashing into the basement).

A New Zealand research project told of a fire ina hospital and how the doctors and staff reactedwhen the fire was detected during a surgical oper-ation. A large amount of equipment had to beunplugged from the patient, taking 10 minutes,and the fire crew took longer than anticipated toarrive since it was playing a game of rugby againsta team from another fire service at the time.

In the Netherlands, a major fire at a soccerstadium started when fans threw paper rolls andflares onto the pitch at the same time. When theseignited, people stayed where they were for severalminutes, despite the clear evidence of danger.

Nancy Oberijé of the Netherlands Institute forSafety said:

“The evacuation team’s communicationsfailed. They could have cancelled the match andtold people to go away, but people stayed becausethey wanted to see the match. The stadiumauthorities didn’t open escape routes and gave noinformation to the spectators.”To avoid “herd mentality,” building managers

need to provide clear and timely information.

Behavior in Fire Situations

Nancy Oberijé


Events Continued

grow in volume and urgency. New high-rise buildingsoften incorporate aspects of fire safety into their elevatordesign – experts believe that there are at least 10 high-profile buildings around the world with fully fire-proofedelevators – but a rigorous code for such designs is still tobe completed.

The latest International Building Code, published in2009, allows elevators to be used in the case of fire, but itdoes not put any compulsion on developers or buildingdesigners to do so.

Peter Johnson of engineering firm Arup said at theCambridge symposium:

“Buildings need to change to protect elevator shafts.Elevator controls need to be protected, the integrity of theshaft structure needs to be enhanced, and we need dupli-cate power supplies.”Johnson believes that the pressure to adopt fire-resistant

elevator construction is accelerating, but that the industryis fearful of legal and business issues. “There is a percep-tion that the industry is reluctant to change. I’ve heardthis from around the world,” he added. “They are underpressure to adapt normal elevators for a relatively smallpart of the market.”

In the U.K., there has been a provision for using eleva-tors as means of escape for people with disabilitiesthrough British Standard 5588 for many years.

Jim Shields, who founded the Human Behavior Sympo-sium series in 1989, stated:

“It is still a mystery to me why there is such a reluc-tance to use elevators for this in North America. The fearin the industry comes from disasters where elevators wentto the wrong floor, where contact buttons had been acti-vated by heat. And if the systems are very complex, withall kinds of software, there could be bugs in the system.”Figures from the industry itself maintain that experts

are hard at work on a code to enable elevators to be usedin fire, although “it will be two or three years before thiscode is published,” explained David McColl at Otis. He

argued that elevators should remain “secondary” meansof egress, after stairwells.

He continued:“We believe that there remain issues about reliability.

For example, when an elevator has to be removed forservicing, if a building’s designers are counting on anelevator to evacuate, they will not necessarily have suffi-cient reliability. It has not yet been shown that elevatorsare a safe means of evacuation.”McColl refuted the criticism that elevator companies

are dragging their heels on designing systems suitable forfire egress on the grounds of perceived extra costs:

“I don’t think this is a reasonable criticism. There willbe a cost to bring about changes, but I think these costsare reasonable, and designs can be done safely. It willrequire changes to hardware and software, and changesto building design, but I don’t think it is fair to say theindustry is holding anything up. We’re doing hazardawareness testing, using the [International Organizationof Standardization] committee.

“I think it is a marketing operation. We’re doing largeprojects incorporating evacuation concepts into buildingseven before we have written an evacuation system intocode, because building designers and developers want toassure their tenants – andfuture-proof their build-ings.”Other delegates pointed

out the reluctance of fireprofessionals to cede con-trol of elevators during afire. Typically, elevators arecommandeered by a firecrew in an emergency andbarred to the building’soccupants, so to achieve ashift of priorities, where ele-vators are routinely used as

(l-r) Peter Johnson, McColl and Averill Jim Shields

David McColl

Jason Averill


a means of egress in fire, the whole-hearted approval offire authorities will be needed.

In the specific case of the WTC, debates still continueover the original design of the buildings, particularly theirplacing of stairwells and elevators. Professor Ed Galea ofthe University of Greenwich argued at the Cambridge sym-posium that the stairwells were poorly situated and con-structed. They were too close together and made of plaster-board instead of concrete, he maintained. However, otherspointed out that no building is designed to withstand thekind of impact experienced on 9/11. In general, buildingsare designed to evacuate a single floor, but since 9/11,there has been a move toward “whole building” evacuation.

There remains a debate over the need to evacuatewhole buildings, given that events such as 9/11 areextraordinarily rare and no amount of redesign wouldsave those in the upper floors of the building if such anattack were repeated.

Robyn Gershon of the Mailman School of Public Healthat Columbia University spoke of her research work withthose affected by 9/11, and how a group of “elevator sur-vivors” remain affected by specific psychological issues,years after the event. One group managed to scrape theirway out of a stuck elevator car using a small piece ofmetal from a squeegee tool to break through the car walland into a bathroom to safety. She believes that it willtake many years for elevators to be fully accepted as ameans of escape from fire. “There are system and person-ality problems,” she explained. “Fire crews shut themdown because I don’t think they have a comfort level withthe use of elevators.”

Glen Hedman at the University of Illinois at Chicagoadded that fire crews fear that they will be held to blameif people are injured in a fire when elevators are in use:

“It throws a curve into the control of a building. Itmakes it harder to know where people are. And it’s aquestion of monitoring. Building systems need to bedesigned to give you the information to make a decision.”

The technology to provide this information is certainlyavailable, but the interface between the technology andhuman agency remains problematic. Do we cede controlof decision-making to a computer, which tells the eleva-tor to which floor to go based on sensory input? Orshould there be a controlling human element directingthe elevator? If so, how should that person prioritize theelevator’s movements? To rescue one person with limitedmobility on floor 23 or to rescue 12 ambulant people onfloor 16? Can a computer calculate the relative advantageof waiting for an elevator versus taking the stairs?

As Norman Groner of John Jay College put it:“The computer can make the choice, but we don’t trust

it. We don’t know what errors it can make in an emer-gency situation. And there is a moral question of decidingwho dies and who lives. Legally, if you have the informa-tion to make a choice, then you’re protected. But if youdon’t make an effort to find out, you’re in more jeopardy.” Working with the American Society of Mechanical

Engineers (ASME), Groner outlined a Situation AwarenessRequirements Analysis for egress by elevator during fireto help people make decisions in emergencies.

There remains the question of whether elevator tech-nology can overcome the natural human impulse to runinto the stairwell. This also provides the option to run upas well as down, if necessary, when the alternative iswaiting impotently for an elevator, which will confine youto a small and potentially vulnerable space.

As safety and building-use expert Jake Pauls of JakePauls Consulting Services pointed out, the issues aroundegress from fire using elevators have been debated manytimes over the years, but any assumptions on the subjectthat involve human behavior have to be tested. “There isno mechanism to do that yet,” he said.

In practical terms, it is impossible to measure theeffectiveness of elevators in a fire situation without settingfire to a building and seeing how people try to escape. Insimulations, people are content to wait for elevators, but

Robyn Gershon Norman Groner Jake Pauls Chen Wen Chien

Continued


Events Continued

A series of presentations at the CambridgeSymposium on Human Behavior in Fire looked atthe way people get out of buildings: what routethey choose, how quickly they make their decisions,and how they choose between stairs, escalatorsand elevators.

At Greenwich University in London, re-searchers have devised an “Exodus” computersimulation model to help understand how peoplemake choices. It takes into account human andmechanical features, kinetics, delays and controlissues, so that safety experts can draw up strate-gies for egress during fires.

Even so, as Professor Ed Galea admited:“We still don’t know how people make exit

choices. We don’t know how long they are pre-pared to wait for an elevator. Will there be a riot?We can only model, assuming that people behavethe way experts want them to behave.” Choices are certainly more easily made when

good information is provided: elevator systemsneed to give building occupants estimates of wait-ing times, so they can evaluate whether to takethe stairs, he added.

Besides good communication systems, PeterJohnson at Arup gave a list of other issues thatmust be addressed if elevators are to becomemore generally used in fire situations. Theseinclude training, drills and more sophisticatedelevator controls that can be overridden if necessary.

Emergency preparedness in some places isgetting worse, stated Jake Pauls. He has found anincreasing reluctance among employees to be firewardens. And when a fire does break out, therehave been reports of some employees appearingvery reluctant to leave their desks, either becausethey stand to lose a valuable deal on which theyare working, or because they are worried aboutlosing their jobs after being disciplined for leavingtheir workplace.

In some cases, there is dangerous confusionbetween those who need to make the decision toevacuate and those who know the best way toexit a building. Experts suggest that these two

roles are best separated: the decision to leaveshould be made by a senior manager and theroute out of the building decided by a fire warden.

The choice between stairs and elevator naturallybecomes clearer cut the higher in a building onegoes. Above the 40th floor, for example, at least50% of people prefer to use an elevator, partlybecause of ease and partly because of the greaterspeed. The fact that most people get to and fromwork every day using an elevator makes it easierfor them to use an elevator in the case of fire, eventhough they have been taught not to do this.

Rising levels of obesity and an aging populationplace an additional burden on elevator systems asa means of egress. Data from New Zealand showsthat whereas those over 65 made up just 8% of thecountry’s population in 1950, by 2040, they willform a quarter of all New Zealanders. The over-85group is expected to rise from 56,000 to 320,000by 2051. Both physical and cognitive disorders willmake elevator ingress and egress more importantas time goes by.

As far as the younger members of society areconcerned, researchers revealed figures showingthat drinking and drugs were factors in many fires,while one researcher proposed a new offence of“Drunk In Charge of a Home” (DICH), since thisresults in so many fires and impairs one’s abilityto escape.

Evacuation Dynamics

Ed Galea


who knows whether (or how long) they would wait in aburning building.

From the point of view of designers and developers, acommercial aspect to the debate has emerged. If eleva-tors can be designed and constructed to fireproof stan-dards and used as a dependable form of egress, whybother to have stairs at all? This is especially relevant inultra-tall buildings, where it may take hours for people towalk down, and at a time when an increasing percentageof people have limited mobility through disability or obe-sity. This option would leave more room for rentable floorspace, adding to developers’ profits. This scenario is veryfar from reaching practical fruition, with objections com-ing from both fire safety professionals and the elevatorindustry – repeating their argument that stairwells shouldbe the principle means of egress – but the fact that it isgaining any support at all is interesting.

Jeffrey Tubbs of Arup gave a presentation on elevatoruse in super-tall buildings, outlining the potential threatsto elevator use in emergencies, including extremeweather conditions, earthquakes, explosions or terroristactivity. He argued that building designers need to makedecisions over who may be permitted to use elevators inthe event of fire – wheelchair users or everyone? Thereneeds to be further progress in risk-informed performance-

based design, he said, to provide sufficient information touse elevators in a reliable and efficient way during fire.

Water resistance is a key design feature that needs tobe incorporated in elevators for escape – understandablyso, since water is likely to be in abundant supply from firefighters. In the 508-meter-tall Taipei 101 building, none ofthe 61 elevators are water resistant, according to Shen-Wen Chien of Central Police University in Taiwan. Yetevacuation of the whole building by elevator is possiblein around 50 minutes, against 150 minutes by stairway.That statistic tells the most important story of all. c

(l-r) Averill, Galea, Gershon and James Colgate


Engineering

Good Engineering Practices in a Lift Systemby PVN Marar

I remember a lecturer, Mr. Divides,who once asked a question in myengineering class, and nobody couldprovide a convincing answer. “Whatis engineering?” was his question,and he answered, “Engineering is theeconomic extraction of efficiency outof man, money and material.” He alsoasked, “Is there good and bad engi-neering?” “Yes,” he answered, explain-ing that the basic goal of engineeringis to get the maximum efficiency outof resources in terms of money spenton people and material.

In an elevator, safety, quality andaesthetic are the rating factors and,therefore, the installation shouldhave the right man to do the right jobwith right materials, and this rightway of doing things is called “GoodEngineering Practice” (GEP).

Is it the right way to keep the boltupside down in a horizontal applica-tion? If no, then this is not a GEP. AGEP goes beyond detailed design cal-culations. Often, a “Bad EngineeringPractice” is something that is difficultto define and is in the “you know itwhen you see it” category. It is notenough to get the elevator to run upand down, one also needs to followGEP. The following illustrates someexamples.

In a normal concrete structure, theconnection of rail brackets with shaftwalls is done by using dash fastenersor expanding bolts. It is observed, thatin certain installations, a fastener nuthas a bearing of two threads on bolt,instead of the right way in which thebolt thread extends from the nut,and, at the same time, the bolt shall

Examples of bolts improperly installed

PVN Marar is technical

director with TAK Consult-

ing. He has more than four

decades of experience in

the vertical-transportation

industry. He has been

credited with mentoring

many of the key technical

experts of the Indian build-

ing transportation industry, particularly in the

Mumbai region.


have the specified penetration. Thismay be seen as a small overlookedbut major concern, as the bracketsthat support the entire rail-guidingsystem may get detached from thestructure if the nut gives way due tovibration. While all of the detaileddesign calculations prove otherwise,a minimum of two full threads of boltmust extend from nut after giving therequired torque; this would be a GEP.

Few installations have adopted asingle compensating chain (whisper-flex) arrangement instead of two innormal practice. This may be due todesign criteria, or nonavailability ofmaterial for specific application or,in some cases, the car rail comes inline with the counterweight center,forcing an undesired diagonal con-nection. A single compensating chainsuspended at one side of a counter-weight frame can cause the frame toimbalance. As the frame goes up, itbecomes more imbalanced due tothe weight of the compensatingchain and generates an unequalpressure on the guide shoes. Morepressure on the shoe creates morewear and tear. Remember that in a20-stop elevator (with a 1000-kgcapacity having 8 # ropes of a 10-mmsize) requires a compensating chain

or whisper-flex between 250 to 300kg in weight, depending on the con-struction and type of hoist rope –enough to imbalance a counterweightframe. This increases when the cartravels down. The problem can beeliminated if the compensating chainis installed at the center to balancethe entire frame and thus avoid ab-normal wear and tear of the guidingsystems. The only extra requirementin this arrangement is to have twobuffers instead of one. Alternatively,a small size weight (Figure 1) can beadded on the normal weight at theopposite side of a compensationchain. Also, a specially designed fillerweight (Figure 2) can be used for bal-ancing. However, both arrangementswill be inclusive of the total counter-balance weights. Unfortunately, thestatic balance of counterweight is sel-dom looked at seriously.

In one routine validation of a lift, Iexperienced an abnormal sound andvibration while the elevator was inmotion. Inspecting from the lift pit, itwas found that the whisper-flex(chain) loop (hitch center to center) ismore than 1,100 mm. As the whisper-flex is flexible and of a specific bend-ing and stiffness nature, the designedlimit of loop is about 457-609 mm(diameter 25.1-45.5 mm) given bymanufacturer, depending upon thediameter (Siecor Corp. elevator me-chanical design.) In this variation inhitch distance force, both sides of theloop take a “V” shape, which mesheswith the “swayless” provided at thebottom and resists the free move-ment that causes the chain to swaywhile the lift is in motion.

When the chain fall is perpendic-ular, swayless or steadier are freefrom any force or friction, other thanfrom the vibration of the chain due tobuilding sway, abrupt stop and windpressure, which will happen occa-sionally for a considerable short time.

This vibration due to the frictionof whisper-flex varies as the lift posi-tion changes in its travel. The massand pulling angle, low tension andflexibility of the chain cause moreamplitude. This angular pulling alsogenerates extra force on the guiderail by the top and opposite bottomguide shoes. When asked about theanomaly, someone at the site admit-ted that the shifting of whisper-flex wasdone to facilitate car static balance,giving scant attention to compensat-ing chain fall.

Recently, there was a traction fail-ure in one of the lifts. The lift slippedand struck the buffer with full load,but, fortunately, nobody was seriouslyhurt. We were assigned to investigatethe incident. After inspecting themachine and deflector placement,we found the arc of contact or angleof wrap was less. By calculating theexisting traction, it was found to be118° where as a good traction shouldbe above 150°. What went wronghere were not the resources, but theinstallers failed to enforce and applygood engineering, possibly due toignorance.

I have seen an installation in whichtwo car buffers are used diagonally,where the car frame and car are par-allel to the landing sill. When the liftover travels, the platform bottomwill directly strike the buffer, and theimpact is directly felt in car, causingthe platform to bulge, the car panel todeform and even the platform con-necting bolt (sound isolation arrange-ment not used) with car frame toshear. So the impact is absorbed onthe car frame, not on the platform.

Figure 1:Balance weight Figure 2: Counterweight filler weight

Continued


Engineering Continued

A geared machine was placed fac-ing the motor shaft very close to thewall, though there was enough spacein the machine room to turn themachine 180°. When I asked the peo-ple at the site to demonstrate therescue operation, the cranking wheelcould not be fixed due to lack ofspace. To my surprise, there was noteven a brake release device. Theyused and adapted a crude methodand tools to move the car. The lifthad been running for the last sixmonths with some over travel. Thereason obviously was that wheneverthere was an entrapment, the rescuerloosened the brake-arm spring nutto release the brake, which was notset properly after the evacuation.

Another example involved an en-trapment with the lift above the floorlevel about one foot. An elderly ladywas inside the lift, and the door waspartially opened. The rescuers foundno locking key (a square pin used toconnect the cranking handle with

motor shaft), inserted a nail in placeof the key and started the rescueoperation. As they opened the braketo bring the lift down, the crankinghandle slipped (the nail being roundand under size) and the lift moved upwithout any control due to load con-dition. Fortunately, the lady insidethe lift did not attempt to come out,thus a major incident was averted.

How many of us periodically checkthe calibration of the speed governor?Due to time constraints and the workinvolved, the conventional method ofcalibration (keep the lift at top floor,remove both ends of the governorrope from car hitch, join them togetherand add a small weight, let it go downdue to gravity, which makes the gov-ernor sheave turn fast exceedingcontract speed, causing the governorto trip and subsequently measure thetripping speed with a tachometer) isnot possible during routine mainte-nance, though some suppliers have agovernor with a test groove. The nor-

mal practice employed is to checkthe safety gear by actuating governorphysically and satisfy with the safetygear grip on car rails, but not thegovernor for its overspeed mechanism– in a vehicle, brakes applied andfound working. Just imagine what theconsequences would be if the brakepedal were not applied when thevehicle in front of you stopped sud-denly. It is a human error. However,in case of a governor, the failurewould be its actuating mechanismresulting in a runaway car.

On the basis of tracking records,the lack of even more accidents doesnot allow one to presume that therewill never be a rope snap or free fall,and, therefore, calibration of thegovernor is not required periodically.Or are we waiting for somebody torequire a complete periodical dropsafety test? The option for a well-engineered calibration tool is left withthe elevator manufacturer. The pointhere is to ensure that any system

Wiring done imperfectly

that requires periodical testing shallbe easy to check and the necessarychanges need to be adapted to makeit a well-engineered and promptanalyzing tool.

In another example, an old ele-vator had four main ropes. When theelevator was reconditioned, the oldmachine was replaced with a newmachine with a three-groove sheaveand three ropes. The speed of theelevator also increased. By decreasingthe number of ropes and increasingthe speed of elevator, the factor ofsafety decreases considerably and alsothe specific pressure of ropes on thesheave may exceed the maximum value.

The electrical wiring in an elevatorsystem needs to be concealed or en-cased by the means of a trough, con-duits, flexible pipes and trays. A livewire cannot be left open withoutprotection and the neat dress up ofwires and cables is very important.The photographs are self explanatoryand indicative for quality analyzes.

In some of the installations, amachine-room trough is fixed on thefloor surface, not embedded, to getthem flush with floor. The result is atripping hazard.

A lot of situations mentioned in thisarticle can be seen elsewhere andneed correction. A wee-engineeredproduct emerges out of good engi-neering practices. c

Machine-room trough – a serious tripping hazard



Technology

Safety and Silence in Motion with the LM Mechanical Lift System from Küblerby Claudia Homburg

Lift systems have to achieve a bal-ance between differing demands.Key amongst these are reliability,safety, long service life and smoothrunning. Kübler Automation IndiaPvt. Ltd. developed the LM 2, LM 3and LM 5, which are ready-made,pre-assembled systems for shaftcopying. Their bearing design makesa significant contribution to safetyand reliability in lift technology. Thesystems also reduce noise in theshaft, due to a vibration-resistantencoder mounting fixture and asmooth-running toothed belt. At the Heart of the Sensor Technology: Encoders

A lift that has a long service lifeand requires low maintenance ispartially achieved by paying atten-tion to quality. This applies espe-cially to the heart of its sensor tech-

nology – the encoders. These controlthe rotational speed and drive posi-tion, offer accurate shaft copyingand monitor the speed limiters.Sendix encoders from Kübler offertailor-made technology for this keyfunction. Listed among the featuresare long service life – due to theirresistance to shock and vibration, aprotection level of up to IP67 and atemperature range from -30°C to85°C. Due to sturdy bearings, short-circuit proof outputs and reversepolarity protection, the systems areless susceptible to damage duringinstallation. Double Protection via Separation of Bearing Load and Sensor Technology

The mechanical loading experi-enced by the encoder within the LMlift system demonstrates reliability.

Separating the load and the sensorprotects the encoder with the aid ofadditional bearings outside the en-coder, ultimately relieving the loadon the encoder bearings. The designof the LM lift system contributes tothe life of the entire lift construction.

Furthermore, belt pulleys with du-plex bearings, smooth-running toothedbelts and a vibration-resistant en-coder mounting fixture offer quiet,smooth system operation. The beltpulley benefits from its own sepa-rate bearings within the mountingfixture, which ensures that themounted encoder is protected frommechanical overloading. Knowing When Servicing is Required: Trip Counters and Hour Meters for Lifts

Kübler offers various options for tripcounters and hour meters, and thecombination allows for a better defi-nition of service intervals. Versions ofDIN rails, for control systems, havebeen installed in classic control cab-inets. Anyone using a counter with a100% duty cycle can save the gener-ation of pulses or alternatively thetime-consuming integration of pulses.Tamper Resistant, Compact and Economical

Kübler offers compact electro-mechanical counters that come with a tamper-proof level of security,LCD counters and 230 VAC inputs for direct connection. The electro-mechanical devices are also noiseresistant and offer a display that canbe read even after a fire. This can beimportant from an insurance aspect. Belt pulley of measuring system

A smooth-runningtoothed belt and avibration-resistantencoder mountingfixture


Electronic counters require minimal current and gen-erate little heat, which is particularly relevant whenunder a continuous load with a 100% duty cycle or withovercurrent. An additional advantage of Kübler electroniccounters is the wide-range power supply of the devices.The counters do not need to be adapted to the conditionsof individual countries in line with customers’ requests.In addition, counters with control outputs are available,for example, to trigger a separate service message. Experience Counts

Kübler along with its sales partner Rajdeep Automationhas become one of India’s market leaders in the encodermarket.

Claudia Homburg is the manager of communication at Fritz Kübler GmbH in

Germany. Homburg received her MBA from Furtwangen University in Germany.

The lift is the jewel in the crown of the building

Now Available. . .

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For Purchase Within India!

See Page 56-57

Maintenance

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Engineering

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CAN in Automation (CiA) presented a one-day lift seminar in Mumbai on July7. Controller Area Networking (CAN) is used in many types of automationapplications. Global Technology in Mumbai (CiA India office) organized a seriesof eight seminars on different applications of CAN in several cities in India. Thelift seminar in Mumbai was the last in the series.

Holger Zeltwanger was the main speaker on the subject. Kübler Germany alsogave a demonstration on use of encoders using CANbus for Lifts Application.

Zeltwanger started with the origin of lifts and explained several interesting factsabout lifts in the “olden days.” Lifts have an old origin dating back to Aristotle’stime (384-322 B.C.), when he explained the principle of block and tackle in hisbook Mechanical Problems. A Roman architect later wrote, “A machine is a con-struction made of wood, which has as its biggest benefit to lift weights.”Archaeological excavations at the Palatinin in Rome uncovered the so-called“machine room” with pits like elevator hoistways. At other amphitheaters inRome and Trier, archaeologists have found other similar pits.

In the early days of elevators, all actions were controlled by humans – theliftboy. He answered calls, positioned the car, controlled acceleration anddeceleration, and was the “door drive” that unlocked and opened the doors.Later, his duties changed into service and support for the passengers – the con-trol of the elevator was overtaken by relay controllers. He still made the call forpassengers, assisted with the baggage and helped the ladies getting in and outof the car.

Today, all lifts are controlled by electronic devices. Most of them are pro-grammable. They control the car drive and positioning, optimize the rides, andopen or close the car doors. Twenty-first century vehicles in which modularsensors and controls are connected to a network backbone are now possibledue to the CANbus.Salient Features of CANbus

One can throw away lumps of wiring and replace it with two wires. Smartgauges and sensors can be directly connected to the CANbus. Control modulescan read/send data, display systems can read/log data and, because it is a net-work, it is irrelevant where components are physically located.

Information display panels show the drivers/operators what they need toknow. Logging of information feeds the service system and panels displayinformation where required (e.g., inside the lift or at the waiting lounge for lifts).CANbus also has the bandwidth to cope with real time control as well as datacollection.Benefits of CANbusu First, there is lower cost production – one set of software, one system and

one supplier on a standard communication system that allows flexibility. Thesame assembly can be set up via the software to individual customer appli-cations without having to change any hardware. Continued

CAN in Automation’s L i f t S e m i n a rby Sudhir Abhyankar

Technology

u Different CANbus controllers are able to communicate with each other overthe same bus (e.g., from operator panel or any other controller).

u CAN controllers can be linked. For example, a controller on one vehicle cantalk to another. One can add machinery on a tractor and it will work together.

u Repeated working functions can be logged by simple selection, givingrepeatable increased quality of work.

u Push switches and joysticks replace heavy or difficult levers, giving betterdriving comfort and better viewing as valve blocks, pipes, etc. are eliminatedfrom the cab.

u There’s no vibration, mechanical shocks, fatigue, etc., and the operator inter-face can be set up to individual applications.

u As the operator panel electronically talks to the controller, removal of thehydraulics in the driver cab can be achieved, which is desirable as newEuropean regulations come into force.

u The controller can be mounted close to the hydraulic system, therefore reduc-ing pipework.

u CANbus can be linked with other equipment such as remote controls, videocameras and global positioning systems (GPS) to track a vehicle and to ensureit only works where it has been allocated.

u CANbus can bring together several systems (e.g., weighing systems, infor-mation logging, statistics, servicing reports, time per job).

u Fast, low-cost servicing and backup is another factor.u No more wasted investigation into why a vehicle has a problem. The fault

diagnostic with complete error message will highlight the problem and it’salso available by mobile telephone.

u Safety features and error detection can be added to ensure equipment can-not be overloaded or misused, and only correct commands are executed.

u In the event of misuse, the process will be stopped and logged.u There’s high reliability where it counts, and the use of standard sensors at

low cost, with no need for special sensors or new technology.u The input/output modules allows one to use proven sensors, although one

can combine it with up-to-date CANbus sensors as well.u Reductions in the number of mechanical components lead to lower failures.How CAN Was Used in Lifts in Old Times

In the early 1990s, KONE introduced the CAN-based Traffic Master 9000. Bythe mid 1990s, Otis had developed a proprietary CAN-based control network forlift applications. At the beginning of this decade, CiA started the specification ofthe CANopen application profile for lift control (CiA 417). In 2003, CiA releasedversion 1.0 of CiA 417 as Draft Standard Proposal (DSP). Currently, CiA 417version 2.0 is in preparation and is close to being finalized.

CiA is working on future enhancements for provision for options by WEB forthe following and additional functions:

Version 2.0u Parameter review and update for car drive unitsu Parameter review and update for controllersu Parameter review and update for other unitsu PDO review and updateAdditional Functionsu New functions (e.g., interface for fire-alarm systems)

CANbus ProtocolZeltwanger explained the history of CAN evolution and the protocol in a sim-

plified way so that all participants could easily grasp the concept. He explained


CAN in Automation’s L i f t S e m i n a r Continued

• Issue 4, Volume 2 • elevatorworldindia.com 77Figure 2: NZR Encoding

the Open System Interconnection (OSI) model forCAN Communication and later the in-depth proto-col information in bits and bytes.

He explained diagrammatically that in a CANnetwork of four nodes, if three of them start trans-mitting simultaneously, depending on the priorityof the identifier, one by one the nodes go into listen-ing mode as the identifier bits are received. Non-Return-To-Zero Coding

CANbus has inherent immunity to noise becauseof Non-Return-to-Zero (NRZ) signal levels.NRZ Encoding

NRZ encoding is used in slow-speed synchronousand asynchronous transmission interfaces. WithNRZ, a logic 1 bit is sent as a high value and a logic0 bit is sent as a low value (actually no encoding atall). The receiver may lose synchronization whenusing NRZ to encode a synchronous link, whichmay have long runs of consecutive bits with thesame value (no changes in voltage). Other prob-lems with NRZ include data sequences containingthe same number of ones and zeros will produce aDC level, and NRZ requires a large bandwidth, from0 Hz [for a sequence containing only ones or onlyzeros] to half of the data rate (for a sequence of10101010).

It was explained, “A type of ‘null’ encoding,where a logical ‘zero’ is represented by a particularline state, and a logical ‘one’ by another. In otherwords, there is no encoding, as distinct from RZencoding.” NRZ is used with RS-232 and CANbus.NRZ Encoding

The data for this encoding is decoded with the help of an oscillator and bitrate pre-scaler. Each bit received is sampled several times to conclude the readbit state as shown in Figure 2.

There are two types of CAN data frames in principle; base CAN data frameand extended CAN data frame format (Figure 3). The extended data frame for-mat has 20 bits more than the basic CAN data frame. The result is the extendedframe provides additional capacity in terms of addressability. On the other side,it has a disadvantage in that it requires more transmission time. It is called“more bus latency time.” A CAN frame can transmit a maximum of eight databytes.

While sending a CAN frame on the bus, if five consecutive bits are found inone state that is recessive or dominant, then a stuff bit is added automaticallywith reverse polarity at the sending end, while it is de-stuffed at the receivingend. This helps the receiver chip to synchronize itself with the data stream.

CAN Demonstrator for Lift Automation1. Lift drive – Control Techniques2. Position sensor – Baumer3. Panel(s) – Masora4. Lift control unit – Boehnke + Partner5. Car door unit – Siemens6. Car door unit – Siemens7. Panel(s) – Schaefer8. Lift drive – Ziehl-Abegg and position sensor – Pepperl +

Fuchs by Boehnke Partner 9. Lift control units – Weber Lifttechnik

Figure 1: Different manufacturers’ CAN subassemblies working together

Continued

Now if there is a bit-stuffing error(Figure 7), it gets detected by the CRCcheck mechanism, and then it is reportedimmediately in the next bit time ACK ofthe same frame. Thus, CAN frame providesa quick error detecting mechanism with-out losing very much time.

CANbus control is on the basis ofidentifier-priority coding scheme. If multi-ple nodes begin transmitting at the sametime, then step-by-step identifier morenumber of dominant bits while othernodes go into listening mode. Thus, colli-sion is avoided in CAN communication(Figure 8).Statistical Calculation for Probability of Finding an Error in a CAN Frame

The bit error probability continues reduc-ing as the number of nodes in the networkincreases (Figure 9).

A sample network of two CAN nodeson a network will look like in Figure 10.

The data communication bit rate dependsupon the length of the network cable. Forexample, for 40 meters of cable length, 1megabit per second data speed is possi-ble, while at 50 kilobits per second one mayhave 1 Km length of cable. Terminatorresistance is required at both cable ends.Figure 11 shows relationship.

A typical CAN connector with pin assign-ment is shown in Figure 12. CANOpen in Lifts

Each CANbus node is identified with aunique identifier (number). The commu-nication can start when one of the nodeswants to send the data packet ready withit. The serial data on the bus will bereceived by all the nodes, but of all thenodes, the data will actually be receivedby the node identified by the destinationidentifier in the packet. How the Responding End Works

At the responding end, the CAN physi-cal layer is supposed to take care of thebit pattern and bus availability, checkingalong with the transmission and recep-tion of the data. The CAN data link layermakes the data frame from the recentlyreceived set of bytes. As soon as a packet



Figure 5: The major fields in CAN frame

Figure 4: NZR Encoding

Figure 3


is fully received, the CANopen application layer takesover for further interpretation with the help of communi-cation object. A CANopen communication object (COB) isthe interpretation of the received data packet as definedin a particular CANopen profile. For example, CiA 417 isa profile for lift application defined by CiA as standard.

Figure 7

Figure 9

Figure 10

Figure 6

Figure 8 Figure 11

This consists of a collection of COB definitions that arevery thoughtfully designed for most sophisticated opera-tions in modern lifts. The CANopen application layer inturn is interpreted by the CANopen application programwritten by a programmer into the responding-end micro-controller. Continued

How the Requesting End WorksAt the requesting end, the communication object is

generated in reverse order as seen in the respondingend. The request COB is generated by the microcon-troller as per the program flow requirement and theCiA 417 data definitions, where as the CANopen appli-cation layer is responsible for assembling COBs with thedestination identification. The data link layer assemblesthe packets, while the CAN physical layer takes care ofthe bus availability and sends the bit pattern with anappropriate timing on the bus.

The lifts consist of a large number of subassemblies,like switch panels, display panels, sensors, actuators,relays, encoder, interlocks, drives for lift doors andmotors, etc. Hardware command sequences are gener-ated by localized microcontrollers.

Imagine if these subassemblies are made by differ-ent manufacturers using the same set of standardizeddefinitions as given by the CiA 417 profile. They can beused by several Lift application integrators irrespectiveof product manufacturer with less effort.

Several CANopen software and hardware tools areavailable to develop application software from profiledefinitions using readymade protocol stacks, objectdictionary, etc. Encoder in Lift Automation

Kübler explained and demonstrated how easy andconvenient lift automation can be done by using twoencoders. A single-turn encoder mounted on an eleva-tor machine shaft and another multi turn encoder onthe elevator shaft or cable of the car.

Lift Application without CANopen Encodersu Simple switching based on relaysu Mechanical security measurementsu Problems with non compatible elementsu High number of switchesu Two static speedsu Shock absorption through mechanical systemsConventional Lift u Various types of switches are neededu Various manufacturers => Compatibility problemsu High demand of cableu Complicated mechanical components and solutionsu Complicated failure researchu No monitoringu The higher the building, the larger the demand ofswitches, cable, etc.Use of Two Encoders with CANopen

Encoder 1u Positionu Pulse for speed adjustmentu Height adjustment Continued



Figure 12

Figure 13

Figure 14


Figure 15: Three-network architecture

Figure 17: Conventional lift

Figure 16: A two-lift example implementing CiA 417

Figure 18

Figure 19

Figure 20: Encoder 1

u Slip in connection with Encoder 2Encoder 2u Slip detectionu Security measurement in connection

with Encoder 1u Machine speedCombined tasks with two encoders (Figure 19)1. Calculation of slip2. Calculation of Height difference due to

higher weight.Network of CAN Community

CiA also networks CAN users as well asthe developers’ community across the worldin an unbiased way.

Zeltwanger explained that CiA was formedfor this purpose by 80 companies makingCAN products in 1992. It is now a powerfulorganization supported by nearly 600 mem-ber companies worldwide.

However, there was only one company fromIndia, Centre for Development of AdvancedComputering (CDAC), until July 2008, when anIndian company, Global Technology at AndheriMumbai, came into existence due to manyyears of effort by Ashish Shah, who had avision to support the Indian CAN Community asa CiA India office. This local support companynow propagates CAN technology in India.This year, a series of eight CAN technologyseminars was arranged in Bangalore, Pune,Nashik and Mumbai.

Bharat Electronics in Bangalore, Larsen &Toubro EmSyS in Bangalore, Bajaj auto andiSquareIT College in Pune, IIT Mumbai andMahindra & Mahindra in Nashik benefitedfrom these seminars and workshops on dif-ferent automation applications of CANbus.There were nearly 400 engineers present.Special seminars on wind power in Pune anda lift seminar in Mumbai were well attendedby their respective industry professionals.

As a result of this, Larsen & Toubro EmSyShas taken the initiative to become a memberof CiA. While DSA Controls is taking this ini-tiative with its interest in lift control systems.

More information about CANbus andCANopen is available at website: www.can-cia.org. There is also information for membercompanies, which is valuable for engineersworking on CAN.


Figure 21: Encoder 1 Speed


Figure 23

Figure 22: Encoder 1

CiA Services for non-members:u Website (basic information for newcomers)u Hotline (technical, marketing and product informa-

tion)u CAN newsletter (free-of-charge subscription)u CANopen product guide (free-of-charge subscription)u CAN(open) specificationsu Technical CAN(open) training for newcomersu Dedicated seminars (technical training for experts)u In-house seminars (customer-specific training)u Conferences (iCC, CAN industry conferences)u Review of proprietary protocols and profilesu CANopen device test and certificationBenefits of CiA membership:u Initiate and influence specifications, which will be

published by CiA u Receive exclusive information on new CAN technol-

ogy and market trendsu Receive information on CiA work draft specifica-

tions and CiA draft standard proposalsu Participate in joint marketing activitiesu Develop partnerships with other CiA membersu Get credits on CiA training and education eventsu Get credits on some CiA publicationsu Be assigned free-of-charge CANopen vendor-IDsu Get credits on CANopen product certificationsWith the CiA fee, one supports:u Development of the CAN markets in general devel-

opment of specific CAN markets by region, by appli-cation, or by higher-layer protocols

u A company- and product-neutral information plat-form for manufacturers and users information ex-change between users and manufacturers

u International standardization of CAN technologydevelopment of CiA specifications and applicationnotes.

Sudhir Abhyankar is the operations manager for the CiA India Office of

Global Technology.


Figure 26: Use of encoders in dual-lift system

Figure 27: CANopen lift system use of encoders

Figure 24: Calculation of slip Figure 25: Height differences


Codes & Standards

Legislation Designed to Make Multistory Buildings Safer

The Haryana government has enacted legislation de-signed to improve safety in multistory buildings by requir-ing that all building owners be responsible for the safeoperation of lifts, escalators and rescue devices. Calledthe Haryana Lifts and Escalators Rules, the legislation isapplicable to all vertical transportation used to carrypassengers or goods in the state of Haryana.

The legislation specifies:“Every owner who has erected a lift, shall within a

period of one month on completion of the erection of a lift make an application for registration. The notice ofcompletion of the erection of lift and the application forregistration shall be submitted in Form A along with thefollowing documents:(a) a work completion report of the erection of lift in

Form B as obtained either from the manufacturer of lifts or a Company of Electrical and MechanicalEngineers, as the case may be;

(b) a completion report in Form C of the licensed electri-cal contractor;

(c) a challan for a fee of INR2,500 (US$52.37) for each lift towards the registration remitted into a Government Treasury;

(d) copy of the third party insurance policy taken by theowner of the lift, covering insurance for the personsusing such lifts.

(e) copy of the annual lift maintenance contract with anylift maintenance company for the smooth and saferunning of the lift;

(f) copy of the annual safety certificate.”The legislation requires the owner of a vertical con-

veyance to report any defect in the operation of the lift tothe inspector of lifts. The lift or escalator may not bealtered without permission from the inspector nor oper-ate a lift or escalator that is not in a safe condition. Themaintenance shall be done by a manufacturer of lifts or acompany of electrical and mechanical engineers that areapproved by the inspector. The act specifically prohibitsany other person from interfering with any mechanism ofthe lift or escalator. For manually operated vertical trans-portation, the lift operator must be at least 18 years oldand trained to operate the lift.

The legislation, which is effective after notification,directs every building owner with a lift or escalator installedin the building before the commencement of the act toapply for registration allowing the operation for suchconveyances within two months of the notification. Noti-fication was made on June 17. The legislation also man-dates that owners provide an automatic device for therescue of passengers trapped in the lift in an event of abreakdown.

Further, the act requires the owner of a lift or escalatorobtain third-party insurance upon the installation of saidlift or escalator to cover any risk to passengers. In addi-tion, lifts will have to be replaced after a life span of 20years. The owner of the building where the lift and/orescalators are operating will have to make arrangementsfor alternative and automatic power supply to ensurecontinuous functioning without a gap of more than 10seconds. The exception to this are buildings 15 meters orless in height, in which case this is optional.

In addition to owner responsibility, the installing and/or maintaining company may also be prosecuted andheld liable if an accident occurs in the lift or escalator dueto the malfunctioning of any of the safety provisions ofthe lift or escalator.

The government has given lift inspectors the power toinspect any lift or escalator and issue cease-to-operatenotification to the owner of any lift or escalator if it isfound needing repairs or upgrades until such repairs oralterations are made.

The legislation prevents any suit or other legal pro-ceedings against the government, the secretary of thegovernment, the inspector of lifts and escalators or anyofficer authorized by the government in response to theirenforcement of the act. In addition, no court has thepower to recognize any offense under this act except ona complaint made by the inspector of lifts and escalators.

The Tribune News Service quoted an official of the gov-ernment as saying:

“The legislation provides for regulation of the construc-tion, installation, maintenance and safe working of liftsand escalators and all machinery and apparatus pertain-ing thereto in the State of Haryana.” c

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Technology

Making an “entrance” is what celebrities and elevatorcompanies have in common – both desire the same effecton the beholder, “bold and beautiful.” But that is wherethe similarity ends. Elevator entrances must also be safeand functional. This is one of the most critical compo-

The Elevator Entrance and Its Safety Protectionby John K. John and K. Subramaniam

Figure 1

Figure 2 Figure 3

nents in the elevator and the area which creates the max-imum problems for the maintenance company. The doorlock – the arrangement by which the entrance can onlyopen when the elevator is present on a floor – is com-prised of both an electrical contact and a mechanical lockto ensure the door is closed and locked or opened whenthe unit is on a particular floor.

The most common types of elevator entrance for pas-senger use are horizontal sliding and swing, which areoperated either manually or by power. The horizontalsliding design can be a collapsible gate (manual) centeropening or side opening (power) mostly made of metal(MS painted, stainless sheet and steel-framed glass doors).The swing doors are normally of manual operation andmade of steel. The application of these doors depends onthe type of building the units are installed in.Criteria for Lock

Door locks for elevator entrances should ensure thedoors are closed and locked. It is imperative that the elec-trical contact is “positively” opened whenever the door isopened. To accomplish this, the elevator industry cameup with a very unique design. The industry adopted this“standard” because of the following reasons:u For opening the contact, no gravity or spring force can

be depended upon.u Possible water entry into the locks creates the possibil-

ity of a short causing a heavy current to pass throughthe contacts in turn welding the bridging piece.For these reasons, it is important that the contacts are

forcefully opened for a positive action. (Just imagine a situa-tion where the design does not call for positive opening


where a limit switch is like a push knob or a presselavoiding all the complications. The door could be openedwith the contact still closed, and the elevator moving, asituation sure to send a chill down any technician’s spine.)

We will begin with the door locks (Figures 1-3). The beakis bolted to the gate or door. When the beak enters thelock, it actuates a cam, which in turn closes an electricalcontact. The design ensures that whenever the door isopened, the beak will forcefully turn the cam so that theelectrical contacts are positively opened. Similarly, onemore contact is provided to ensure the beak is mechanicallylocked. The safety circuits in the controller are also designedin such a way that unless both contacts are closed (presenceof door in closed position and door is locked), the unitwill not move by power. In some designs, both conditionsare managed with one contact. The beak bolted to thedoor has a bridging metal piece which acts as a contact. Assoon as the door is closed, the beak with the metal bridg-ing piece enters the lock. The electrical contact cannot getclosed without the bridging piece.

For manually operated swing doors, the lock assemblywill have the same features (Figures 4-6). The two pinsin the door will bridge a contact in the lock assembly

Figure 4 Figure 6

Figure 5

Manually operated swing doors

Continued



ensuring the doors are in the closed position. The thirdpin keeps the door locked mechanically with the bolt-likestud from the lock.

Similar arrangements are used for power-operateddoors (Figures 7-9). The bridging piece is in the form oftwo pins attached to a hook-shaped plate. This assemblyis again attached to the door hanger. The fixed contactsare located on the closing edge of the door track assem-bly. The hook-shaped plate falls, resulting in the electricalcircuit closure and mechanical locking.

Another aspect of the basic requirement is, if you lookat the electrical circuits, you will find that the safety con-tacts are all located on the high tension side of the circuitso that any short to ground will blow the fuse making thesystem “fail safe.” Since entrances located in the mainlobby are prone to water entry and seepage, imagine asituation where these safety circuits are located in theground rail of the circuits – any short to ground by waterseepage will go unnoticed, allowing the elevators to runwith open doors.

As explained in the beginning, elevator entranceshave to be aesthetically pleasing and mechanicallystrong and silent in operation. The quality of their in-stallation is of utmost importance, taking into accountthe close tolerances between the cabin and lobby en-trance. Errors in these tolerances would result in poorperformance, improper locking and unlocking, frequentcallbacks, etc. Hence, it is vital that installation mechanicsbe thoroughly trained. Most elevator companies nowhave completely pre-assembled entrances, i.e., doorframe, top track and sill, which come as a single unitthat is assembled at the factory, only requiring proper instal-lation, taking running clearances and cabin entrancesinto consideration. Adjustments are available in theseassemblies by way of slot holes and other provisions toachieve the proper clearance and alignment. It is not ahealthy practice to use up all the adjustments in the instal-lation stage itself. During the testing and commissioningstage, adjustments will become necessary and can onlybe used at that stage.

The side walls of the entrances may not be correctper elevator layout requirements. A certain amount ofchipping and buildup will be required. Normally, this isan area where the main contractor may not pay enoughcare in leaving the opening during construction. It isthe installer’s responsibility to make sure the walls arewell made, and the gaps are finished. Even civil contrac-tors need elevator technician guidance and cooperationin making good the gaps. A decorative fascia also coversthe side walls to an extent of two feet on either side andup to the floor ceiling on the top. All civil works, likeplastering, should be kept away from the door assem-bly. A lot of rework and time can be saved by cleaning

Figure 7

Figure 8

Figure 9

Power-operated doors


the entrance area and taking preventive measures sothat plaster and other debris cannot accumulate in thedoor assembly, especially the top track unit and bottomsill area.

There are other occasions where entrances are pushedinto the shaft as shown in Figure 10. This creates a fairlylarge gap between the front wall and the elevator cabinwhenever the elevator stops between floors. The minimumstandard gap is normally specified as 130 millimeters.Although the clearance should not exceed this 130 millime-ters, if such installations are carried out, adequate protec-tion by way of sheet metal or any other suitable meansshould be provided so that the gap is minimized to therequired standard.

During maintenance, look for worn-out rollers orspindles needing replacements. Not much work is involvedin the maintenance of manual doors. Basic lubricationand contact checks should be enough. However, in thecase of automatic doors, a little more is required, suchas checking the top track rollers, the anti-lift rollersand its adjustments, etc. Any lapse in this care willdefinitely come back as a noisy-operations customercomplaint. The ground floor door will be used the mostand consequently needs extra attention on its door assembly. Oddly enough, insects have been known tolodge in lock contacts causing unnecessary callbacks.Another important aspect for automatic doors is theemergency opening system. All the floor doors in thissystem must be in proper working order. There havebeen instances where the doors were pried open withcrowbars or other means resulting in major damages tothe doors and locks.

Most elevator fatalities have occurred at elevatorentrances due to poor maintenance or incorrect usage.For example, in a multistoried residential apartmentwhere the elevator had power-operated, center-openingdoors, a resident installed a swing using the door as akickboard. Parents encouraged the children to use theswing without realizing the danger. One day, the panelgave way, and the child fell 12 floors into the lift pit, atragic but avoidable accident.

In another case, a commissioning crew, prior to dooradjustments, had put a temporary jumper on the first-floorlanding lock. The work was subsequently suspended andpostponed and, some time later, another crew was sentto re-commission the unit. One of the installation techni-cians stopped the car midway on a landing and turned theswitch from maintenance to normal operations on the cartop with the lobby entrance door open. As the technicianstepped out from the car top, the elevator answered anupward direction call with its door wide open resultingin a fatality.

There is a patented circuit available especially forautomatic doors that checks that the entrance doorcircuits are closed even before the door fully closes. Iffound closed, the unit is totally shut down, and furtheroperations are stopped until the fault is rectified. Apartfrom the aforementioned jumpers, this could also hap-pen as a result of water seepage or insects shorting outthe contacts. In the case of center-opening doors, agood design will include independent switches andlocks for each door. Multi-leaf, side-closing doors aredesigned so that the panels are mechanically inter-locked and cannot be moved independently. Of course,maintenance checks must be made to guaranteeproper operations.

To summarize, elevator entrance protection is one ofthe most important safety factors in installations. Andperiodic checks are a must.

John K. John and K. Subramaniam work for Johnson Lifts Private Ltd. in

Chennai, India.

Figure 10


Product Spotlight

Have your company’s new or improved products showcased

in Product Spotlight

Product Spotlight article submissions should be sent to

the Elevator World Editorial Department at one

of the following addresses:

Postal: P.O. Box 6507 Mobile, AL 36660 USA


ELEVATOR DISPLAYSE-Motive, a subsidiary of Halma

p.l.c., offers the Evolution© range ofthin-film-transistor multimedia eleva-tor displays with slim LED screens.The displays allow building ownersto have control over the informationshown to elevator passengers andthe content displayed can be editedfor specific requirements. The displayscan be programmed for basic elevatorinformation such as floor number andelevator direction, as well as welcomemessages, floor directories, adver-tisements, live TV feeds, video clipsand live stock and market informa-tion. In addition, Halma has createda blog available to subscribers onlineat www.halmapr.com/news/india/.

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VANDAL-RESISTANT DOORSThe Fermator Group has added to

its range of doors with the introduc-tion of vandal-resistant doors in cat-egories 0, 1 and 2 according to EN81-71:2005 regulation. The regulationintroduces additional measures thatprovide a supplementary protectionlevel against deliberate acts that maycompromise the safety of users orthe availability of the elevator. ThisEuropean standard provides threeprotection classes applicable to bothcabin and landing doors, dependingon the degree of protection requiredunder the circumstances defined in“Annex A” of the regulation:u Category 0: doors designed to meet the

requirements of EN81-1 or EN 81-2. u Category 1: doors designed to meet

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ELEVATOR WORLD India (EWI) is excited to announce twofeatures in the quarterly magazine which offers low costoptions to those companies who wish to promote theirproducts and/or services within the Indian market andsurrounding regions.

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ELEVATOR WORLD India Source Directory (See page 92)

This section serves as a resource for the industry and consists of company profiles.Company profiles include: your companyname, address, telephone, fax, e-mail, website, key contacts and products that you supply or manufacture. Display advertisersin EWI receive a free company profile andnon-advertisers can place a company profilein this new section for as little as $50.00 perissue or $195.00 per year (4 issues). Yourcompany logo can also be added at no additional cost.

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India Source Directory

ELEVATOR WORLD India Source DirectoryThis section serves as a resource for the industry and consists of company profiles. Company profiles include: your com-

pany name, address, telephone, fax, e-mail, web site, key contacts and products that you supply or manufacture. Displayadvertisers in EWI receive a free company profile; and non-advertisers can place a company profile in this new section foras little as $50.00 per issue or $195.00 per year (4 issues). Your company logo can also be added at no additional cost.

Contact Anitha Raghunath at [email protected] or TBruce MacKinnon at [email protected].

ACCUMAX ENGINEERING COMPANY C-1/23 G.I.D.C ESTATENARODA, AHMEDABADGUJARAT-INDIA 382330Telephone: 0091-079-22813429Fax Number: 0091-079-2813429E-Mail: [email protected] Contact: Mr. R.S. PatelEngineering Contact: Mr. Manoj PatelProducts Manufactured/Supplied: AC-1, AC-2and V3f geared lift machines, Electric Motors,Brakes, Safety Gears, Governors, Gate Locks,Door Operator, Deflactor pulley, Main driveSheaves, Car & Counterweight frames, GuideShoes, Retiring Cam & Striker, ReplacementParts for OTIS, Guide Rails, Cages, Brackets,Doors.

AFAG MESSEN UND AUSSTELLUNGEN GMBHMESSEZENTRUM AUGSBURGAUGSBURG, BAVARIA 86159 GERMANYTelephone: 0049 – 821 – 5 89 82 340Fax Number: 0049 – 821 – 5 89 82 349E-Mail: [email protected] Site: www.interlift.deMarketing Contact: Winfried ForsterEngineering Contact: Joachim KalsdorfProducts Manufactured/Supplied: interlift -international trade fair for Elevators, components& accessories

ASRAY/ASRAY SANAYI VE TICARET LTD. STI.P.O. BOX 10741400 GEBZE, KOCAELI, TURKEYTelephone: (90) 262-7511435Fax Number: (90) 262-7511439/7511765E-Mail: [email protected] Site: www.asray.comMarketing Contact: Mrs. Aysenur Aslan, ExportManager ([email protected]); Mrs. Safiye Cinge,Export Assistant ([email protected])Engineering Contact: Mr. Sefa Targit, TechnicalManagerProducts Manufactured/Supplied:Elevator Guide Rails

AV CAM CORPORATION55-C, TRIBHUVAN INDUSTRIAL ESTATE, OPP. PASHUPATINATH TEMPLE,

NEAR KATHWADA, GIDC, KATHWADAAHMEDABAD - 382430, GUJARATTelephone: 0091 79 65237438Fax Number: +91 79 22890596E-Mail: [email protected] Site: www.amcolifty.comContact: Mr. G. Patel VishnubhaiProducts Manufactured/Supplied: Lift DutyGear Box, Lift Guide Rails

BHARAT BIJLEE LIMITEDELEVATOR SYSTEMS DIV., OPP. AIROLI WAILWAY STATION, THANE BELAPUR ROAD, NAVIMUMBAI – 400078Telephone: 0091 22 27637284Fax Number: +91 22 27637438E-Mail: [email protected] Site: www.bharatbijlee.com Contact: Mr. Y.K. DasProducts Manufactured/Supplied: GearlessMachines for Elevator Application, KEB Inverters,Electric Motors for Elevators

BLAIN HYDRAULICS GMBHPFAFFENSTRASSE 1HEILBRONN, BW 74078 GERMANYTelephone: +49-7131-2821-0Fax Number: +49-7131-485216E-Mail: [email protected] Site: www.blain.deMarketing Contact: Mr. Parag Mehta Ext: 30Engineering Contact: Mr. Parag Mehta Ext: 30Products Manufactured/Supplied: Manufacturers of Elevator control valves, Home lift valves, Servocontrol valves, Car-parking lift valves, Rupturevalves, Ball valves, Pressure lock valves, Handpumps, Tank heaters, RamLocs, Micro levelingdrives, Hydraulic remote monitoring systems.

BRUGG WIRE ROPE, LLC 1801 PARRISH DRIVE P.O. BOX 551ROME, GEORGIA 30162-0551Telephone: (706) 235-6315Toll Free Phone: 1-866-542-7844 (54BRUGG)Fax Number: (706) 235-1394 or (706) 235-6035E-Mail: [email protected] Site: www.bruggnorthamerica.com;www.bruggrope.comMarketing Contact: President/General Manager:Kevin Heling, (706) 235-6315, ext 301,[email protected]; Marketing Contact: TomRichards/Richards Advertising (704) 987-7965;[email protected]

Engineering Contact: Sales/Field EngineeringContact: Rick Perry, VP Sales/Engineering, (570) 322-3210, South Williamsport, PA,[email protected]; Engineering/QualityContact: Martin Rhiner, VP Engineering/Quality,(706) 235-6315 ext 302, [email protected] Offices: Brugg Wire Rope, LLC, Rome GA(706) 235-6315; North America VP Sales andField Engineering, South Williamsport, PA, RickPerry, (570) 322-3210, [email protected];Distributors/Stocking Locations - US: Houston, TX;Metro Wire Rope, 553 Lehigh Ave., Union, NJ07083, Phone: (908) 964-3690; Marcal Rope &Rigging, 1862 E. Broadway, Alton, IL 62002,Phone: (618) 462-0172 or 1-800-343-4971; SilverState Wire Rope & Rigging, 5380 S. Valley View,Suite A, Las Vegas, NV 89118, Phone: (702) 597-2010; Carpenter Rigging, 222 Napoleon St.,San Francisco, CA 94124, Phone: (707) 562-9473;Brugg Wire Rope, LLC., 1801 Parrish Rd., Phone:(toll free) (866) 542-7844, Fax: (706) 235-6035 -Canada: Elevator Components, 1237 Kamato Rd.,Mississauga, ON, Canada L4W 2M2, Phone: (905)624-6565; Hoist Wire Rope & Equipment Inc., (a Northern Strands Co)., 5604-76th Ave., Edmonton,AB Canada T6B 0A6, Phone: (780) 485-9869Products Manufactured/Supplied: ElevatorRopes; full line of the industry’s best selection ofhoist, compensation, governor, door closing andropes bearing electrical conductors. Offeringsuperior quality steel, iron, sisal and mixed (poly)core ropes; featuring exclusive i-Line for easierinstallation; preformed ropes, rope lubricant andapplicator, pulling grips, rope tension measuring device, reeve splicing, fiber tape, measuring gauges,wedge sockets, isolation assemblies and springs.

CHINA ELEVATOR ASSOCIATION (CEA CHINA)61 JINGUANG AVENUELANGFANG HEBEI 065000PEOPLE’S REPUBLIC OF CHINATelephone: (86) 316-2311426/2012957Fax Number: (86) 316-2311427E-Mail: [email protected] Site: www.cea-net.orgContact: Zhang LexiangPresident: Ren TianxiaoProducts Manufactured/Supplied: CEA wasformed in 1984 and has 500 members. Thesecretariat together with the Institute of BuildingMechanization. CEA is one of the sponsors ofChina World Elevator & Escalator Expo and ChinaElevator Magazine.


ELECON ENGG. CO. LTD.POST BOX #6, ANAND SOJITRA ROAD, VALLABH VIDYANAGAR - 388120, GUJARATTelephone: 0091 2692 236469, 236513Fax Number: +91 2692 236527, 236457E-Mail: [email protected] Site: www.elecon.comContact: Mr. V.G. SubnisProducts Manufactured/Supplied: Manufacturerof Material Handling Equipment & all types ofindustrial gears - Helical, Worm, Couplings,Special Gears, Elevator Traction Machines, WindMill Gearbox and Wind Mill.

ELEVATOR INDIA.COMB/602,SHIVAM APARTMENT C.H.S. LTD, C.S. ROAD NO: 5,ANAND NAGAR, DAHISAR (EAST), MUMBAI-400068MUMBAI, MAHARASHTRA 400068 INDIATelephone: 022-40149991, 09930308303,09322337066Fax Number: 022-28974573E-Mail: [email protected];[email protected] Site: www.elevatorindia.com Marketing Contact: same as aboveSales Office: same as aboveProducts Manufactured/Supplied: An elevatorportal for end users and buyers. For elevatorcompany we design, supply material, erect andgive maintenance of traction and hydraulic lifts.Consultant and co-ordinator to elevator industry in India.

ELMO SRLV.LE CERTOSA 8/BPAVIA ITALY 27100 ITALYTelephone: +39 0382 529564Fax Number: +39 0382 527041E-Mail: [email protected] Site: www.elmoitaly.comMarketing Contact: Mr. Giovanni CrucittiEngineering Contact: Mr. Ivo Busi Products Manufactured/Supplied: Submersiblemotors for hydraulic lift

ETA MELCO ENGG. CO. PVT. LTD.CHENNAI CITI CENTRE, 4TH FLOOR, No. 10&11, DR. RADHAKRISHNANSALAI, MYLAPORECHENNAI - 600 004Telephone: 044-2847 7370/71/72/73/75Fax Number: 044-2847 7374Web Site: www.etamelco.inContact: Mr. H.N. Sadaqathullah, DirectorProducts Manufactured/Supplied:Mitsubishi Elevators & Escalators

ELEVATOR WORLD, INC.P.O. BOX 6507MOBILE, AL 36660 USATelephone: (251) 479-4514 Fax Number: (251) 479-7043E-Mail: [email protected] Site: www.elevator-world.com Marketing Contact: Brad O’GuynnSales Office(s): Mobile, Alabama USA;Bangalore, IndiaProducts Manufactured/Supplied: ELEVATOR WORLD magazine, ELEVATOR WORLD Indiamagazine (www.elevatorworldindia.com, ElevatorWorld Source© Directory, Elevator World EuroSource Directory and educational materials(www.elevatorbooks.com)

EXPERT EQUIPMENTS PVT. LTD.6, PUNJANI INDUSTRIALCOMPLEX, KHOPATTHANE (WEST) - 400 601 Telephone: 022 - 25474884 / 25474885 /25475153.Fax Number: 022 - 25474884 / 25474885 /25475153E-Mail: [email protected] Site: www.expertequipments.comMarketing Contact: Mr. Arvind T. Menon, Tel. No. 09323145570Engineering Contact: Mr. T.R.C. Menon,Managing Director, Tel: No. 09323000028Products Manufactured/Supplied: Ownmanufacturing of Expert “LEVITATOR”

FORMULA SYSTEMS LTD.TECHNOLOGY HOUSE, OAKFIELD ESTATEEYNSHAM, OXFORDSHIRE, 0X29 4AQUNITED KINGDOMTelephone: 44 (0) 1865-882442Fax Number: 44 (0) 1865-881647E-Mail: [email protected] Site: www.formula-systems.comMarketing Contact: John CurzonEngineering Contact: Peter CollinsSales Offices: Please refer to the FormulaSystems website for up-to-date sales office listings.Products Manufactured/Supplied: Infrared lightcurtains for new and modernization applicationsincluding the unique SafeZone 3D. True, digitisedspeech annunciators.

FUJI ELECTRIC INDIAPRIVATE LTD.503-A, DYNASTY BUSINESS PARKANDHERI-KURLA ROAD, ANDHERI (E)MUMBAI – 400069Telephone: +91 22 4010 4870 / 2820 6383Fax Number: +91 22 4010 4872E-Mail: [email protected] Site: www.fujielectric.com.sgProducts Manufactured/Supplied: Elevator Drives

GARAVENTA LIFT7505 134A STREETSURREY BC V3W 7B3CANADATelephone: 604 594 0422Toll Free Phone: 1 800 663 6556Fax Number: 604 594 9915E-Mail: [email protected] Site: www.garaventa.caContact: Jake Lepa, Ext. 203Products Manufactured/Supplied: Platform lifts(incline and vertical) for wheelchair users andpeople with walking difficulties, residential andLULA (limited use, limited application) elevators,portable stair-lifts, evacuation chairs.Company Statement: Garaventa is committed toproviding the best accessibility solutions for theapplication. We create an accessible world.

HAFELE4TH FLOOR, JMC HOUSE, BISLERI COMPOUND,WESTERN EXPRESS HIGHWAY, ANDHERI (E),MUMBAI - 400 099Telephone: 0091 22 66950920, 00919322266912Fax Number: +91 22 6695 0922

E-Mail: [email protected] Site: www.hafele.comContact: Mr. Ashish Kapoor, Business Head -Hospitality DivisionProducts Manufactured/Supplied:Dialock Elevator Terminals.

HIMENVIRO ELEVATORS & ESCALATORS202, SAGAR COMPLEX, NEW RAJADHANIENCLAVE, VIKAS MARGDELHI - 110 092Telephone: 0091 11 22549142Fax Number: +91 11 2254 9130E-Mail: [email protected] Site: www.himenviroelevator.comContact: Mr. S.B. KhandelwalProducts Manufactured/Supplied: Elevator &Escalators & Component - COP, LOP, PushButtons, COP Display Units

HYDRO-PNEUMATIC TECKNIKSK-17/A, ROAD NO. 6, UDYOGNAGAR, UDHNA, SURATGUJARAT - 395 210Telephone: +91 261 2277306Fax Number: +91 261 2277306E-Mail: [email protected], [email protected] Site: www.hydrosurat.comProducts: Manufacturers of Hydraulic Cylinders(Jacks) and Hydraulic Power Packs for Elevators.

INNOVATION INDUSTRIES,INCORPORATED 3500 EAST MAIN STREET (72802)P.O. BOX 2996RUSSELLVILLE, ARKANSAS 72811Telephone: (479) 968-2232Toll Free Phone: 1-800-843-1004Fax Number: (479) 968-7986E-Mail: [email protected] Site: www.innovationind.comMarketing Contact: Amber Dilday,Paul Horney & Tom ThompsonEngineering Contact: David DeFrancisco & Dennis KingSales Offices: Ray BufordProducts Manufactured/Supplied: Car OperatorPanels, Hall Stations, Position Indicators, HallLanterns, Serial Communication, Key Switches.

JELTRON SYSTEMS (I) PVT. LTD.PB NO. 49, 6-3-1199/2,VAMAN NAIK LANE, UMANAGAR COLONY, BEGUMPETHYDERABAD - 500 016, INDIATelephone: 0091 40 23401159Fax Number: +91 40 2340 1149E-Mail: [email protected] Site: www.jeltron.comContact: Mr. Rajesh H. KamatamProducts Manufactured/Supplied: Toshiba ACVF Drivers, Toshiba PLC, Toshiba Soft Starters,ARD, SCR Power Controller

JOHNSON LIFTS PVT. LTD.NO. 1, EAST MAIN ROAD, ANNA NAGAR, WESTERN EXTENSIONCHENNAI - 600 101Telephone: 044 26152200Fax Number:+91 44 2615 1614E-Mail: [email protected]


India Source Continued

Web Site: www.johnsonliftsltd.comContact: Mr. V. Jagannathan, Executive DirectorProducts Manufactured/Supplied:Manufacturers of Elevators of various capacity -Passenger Lifts, Good Lifts, Passenger cum BedLifts, Gearless Type & Escalators.

KAMAL ENTERPRISEC-1/A-3, G.I.D.C. ODHAVAHMEDABAD - 382415, INDIATelephone: +91 79 2287 0800Fax Number: +91 79 2287 2273E-Mail: [email protected] Site: www.kamalelevatorgear.com Contact: Manoj Panchal Cell Phone: +91 99250 76725Products Manufactured/Supplied: Design,Manufacture & Supply of all types ElevatorTraction Machines

KINETEKSTREET NO.1 ANMOL NAGAR, NEAR KISAN COLD STOREHOSHIARPUR, PUNJAB 146001 INDIATelephone: +91 93562.9437Fax Number: +91 98152.94375E-Mail: [email protected] Site: www.kinetekinc.comMarketing Contact: Nashvinder Singh Engineering Contact: Nashvinder Singh Sales Office(s): Punjab, IndiaProducts Manufactured/Supplied: traction andhydraulic elevator controls, complete elevator andescalator packages, VVVF or direct line escalatorcontrols, monitoring and dispatching systems,microprossor boards, automatic rescue devices,and peripherials.

KONDAIA ENGG. CO. PVT. LTD.POLLACHI ROAD, COIMBATORE - 641032, TNTelephone: 0091 422 2611966, 0091 9965518845Fax Number: +91 422 2611966 (Tele-Fax)E-Mail: [email protected] Site: www.indiamart.com/kondaia/Contact: Mr. S. BalajiProducts Manufactured/Supplied:Manufacturers of Elevator Guide Rails, Machinesand Cabins.

KRISHNA ENTERPRISES16, BRIJWASI INDUSTRIAL ESTATE, SONAWALA ROAD, OPP.UDYOG BHAVAN, GOREGAON (EAST)MUMBAI - 400 063Telephone: +91 22 2686 0470 (Tele-Fax)Fax Number: +91 22 2686 1962 (Tele-Fax)E-Mail: [email protected] Site: www.krishnaentps.comContact: Mr. Brijesh C. BhindoraProducts Manufactured/Supplied: PushButtons, Car Operating Panels & Floor OperatingPanels Glass COP & HOP, ‘K’ Type & other typeDoor Operator & Door Set (MS & SS), ‘O’ typeDoor Operator & Door Set (MS&SS), LCD Displayfor Elevator, RFID Smart Elevator OperatingPanel, Door Safety Sensor (TELCO), Fan Grillsand all other spares and accessories.

LARSEN & TOUBROControl & AutomationDivisionA-600, TTC INDUSTRIAL AREA, SHIL-MAHAPE ROADNAVI MUMBAI, MAHARASHTRA, 400710 INDIATelephone: 022-67226200

Toll-Free: 1800-233-5858 and 1800-200-5858 Fax Number: 022-27783032 E-Mail: [email protected] Web Site: www.larsentoubro.com Marketing Contact: Mr. Sanjeev [email protected] Ext:455Engineering Contact: Mr. Pankaj [email protected] Ext:471Sales Office(s): Mumbai (Tel: 022-67051191 Fax: 022-67051463); New Delhi (Tel: 011-41419523Fax: 011-41419600); Chennai (Tel: 044-28462050Fax: 044-28462102); Kolkatta (Tel: 033-22828418Fax: 033-22827587); Baroda (Tel: 0265-6613618Fax: 0265-2336184); Pune (Tel: 020-56033409 Fax: 020-26124910); Bangalore (Tel: 080-25020342Fax: 080-25583613); Hyderabad (Tel: 040-66720319Fax: 040-23242356)Products Manufactured/Supplied: AC/ DCDrives, Soft Starters, Servo Motion ControlProducts, PLCs and HMI, Engineered Panels

LERCH BATES PVT. LTD.2, AJANTA, 11TH FLOOR, 75, COLABA ROADMUMBAI - 400 005Telephone: 0091 22 22153740Fax Number: +91 22 2215 3726E-Mail: [email protected] Site: www.lerchbates.comContact: Ms. Pravin Das GuptaProducts Manufactured/Supplied: GlobalElevator Consulting Firm - New ConstructionDesign, Modernisation Evaluations, MaintenanceAudits & Condition Assessments, Client OrientedMaintenance Contracts.

LIFT SYSTEMS INDIA PVT. LTD.1311, NAVJIVAN COMMERCIAL BUILDING, LAMINGTON ROADMUMBAI - 400 008Telephone: 0091 22 23073073Fax Number: +91 22 2308 0025E-Mail: [email protected] Site: www.liftsystems.co.inContact: Mr. S.M. HajelaProducts Manufactured/Supplied: Hydraulics Components for Lift - Power Unit, Piston, CarFrame & Accessories for all types of lifts, Cabin Door Drive, Landing Door Mechanism, Door Panels& Frames required for Automatic Doors for Lifts.

LM LIFTMATERIAL GMBHGEWERBESTR. 1, LANDSHAMD-85652 PLIENING(NEAR MUNICH), GERMANYTelephone: (49) 89-9099790Fax Number: (49) 89-9043143E-Mail: [email protected] Site: www.lm-liftmaterial.deMarketing Contact: Mr. Stephen KretzschmarEngineering Contact: Franz Watzke - Ext. 90997920Sales Offices: LM LIFTMATERIAL GmbH,Gewerbestr. 1, Landsham, D-85652 Pliening -GERMANY, Sales Director,Mr. Stephan Kretzchmar.Products Manufactured/Supplied:Machineroomless rope traction lifts with drive inthe shaft head and in the shaft pit, rope tractionlifts for drive locations on top, down at the side,and on top at the side of the shaft, rope tractionlifts with integrated machine room, modularhydraulic lifts with cantilevered car sling, hydrauliclifts with cylinder under or beside the cabin, twinpiston or pulling piston drive system, panoramiclifts, hospital lifts, special execution lifts, drive

system for rope traction and hydraulic lifts,automatic doors, manual doors and folding doors,cabins for passenger lifts, panoramic lifts andgoods-lifts, car frames, safety gears, overspeedgovernors and buffers, ropes, rope pulleys andaccessories, guide rails, controllers and speedregulations, photocells, safe screens, push buttonunits and electro-magnetic cams, sundries.

MAGIL CORPORATION500 OAKWOOD ROADLAKE ZURICH, IL 60047 USATelephone: (847) 550-0530Fax Number: (847) 550-0528E-Mail: [email protected] Site: www.magilcorp.com Marketing Contact: Joe Salzburg Ext: 115Engineering Contact: Pete Giannis Ext: 108Sales Office(s): Gilbert VoisinProducts Manufactured/Supplied: NEWS! MagilCorporation introduces the NEW “Blue MAG”machine for the MRL and Renovation market.Magil Corporation is a leader and an Innovator inthe elevator industry. Products includeSynchronous Traction Gearless Machines, VVVF,AC Motors, Encoders; Traction Gears, Submersible Hydraulic Motors, HomeLift, Door Locks (swing doors) and high strength Wire Rope and Fixtures. Magil Corporation, is the most comprehensive provider of Elevator/Lift systems today. Magil offers product and engineeringsolutions for low-rise, mid and high-rise buildings;while providing expertise in rotating electricalequipment; geared and gearless machines andmotors. Magil Corporation’s market isinternational.

MAROONE STAINLESSM-30, STREET NO. 8, APIA, NEW ROHTAK ROADNEW DELHI - 110 005Telephone: 0091 9818144650Fax Number: + 91 11 43507984E-Mail: [email protected] Site: www.maroone.inContact: Mr. SanjeevProducts Manufactured/Supplied:Stainless Steel Designer Sheets - N8 Mirror, Hair Line & N4, Vib (Vibration), Titanium Coated,Etched Sheet.

MARUTI ELEVATOR C-1/24 G.I.D.C ESTATE NARODA, AHMEDABADGUJARAT-INDIA 382330Telephone: 0091-079-22821429Fax Number: 0091-079-2821429E-Mail: [email protected] Site: www.marutielevator.comMarketing Contact: Mr. Bipin PatelEngineering Contact: Mr. Manoj PatelProducts Manufactured/Supplied: AC-1, AC-2and V3f geared lift machines, Electric Motors,Brakes, Safety Gears, Governors, Gate Locks,Door Operator, Deflactor pulley, Main driveSheaves, Car & Counterweight frames, Guide Shoes, Retiring Cam & Striker, Replacement Parts for OTIS, Guide Rails, Cages, Brackets, Doors.

MESSUNG SYSTEMS PVT. LTD.EMERALD HOUSE,EL-3, J BLOCKMIDC, BHOSARI, PUNE - 411 026, INDIATelephone: +91 20 2710 2000


Distance Measurement Units, Data TransmissionLight Beam System, Vision Sensor and Solutions,Sensor for Door, Gates and Elevators, SafetySensor and Control Units, Incremental and AbsoluteRotary Encoders, Position Encoding System - WCS,Identification System:RFID, BAR CODE, DATAMATRIX,AS - Interface Solution, Counters, Tachometers,Speed Monitor, Converter, Displays.

PHYSICAL MEASUREMENT TECHNOLOGIESBOX 400, 4 LING STREETMARLBOROUGH, NEW HAMPSHIRE 03455 USATelephone: (603) 876-9990Fax Number: (603) 876-9995E-Mail: [email protected] Site: www.pmtvib.comMarketing Contact: Gregory P. LorsbachEngineering Contact: Gregory P. LorsbachSales Offices: Jude M. Wright,[email protected] Manufactured/Supplied: EVA-625 Elevator & Escalator Vibration Analysis System;EVA Vibration Analysis Tools Software; IMD-1Escalator Step/Skirt Performance IndexMeasurement Device; MMC-1 Multi-MeasurementData Collector; ETCH01 Tachometer Module.

PREMIUM ENERGY TRANSMISSION LTD.PB 5, MUMBAI - PUNE ROAD, CHINCHWAD,PUNE - 411019, INDIATelephone: +91 20 66314112Fax Number: +91 20 27450287E-Mail: [email protected] Site: www.premiumtransmission.comContact: Mr. S.N. RaoProducts Manufactured/Supplied:Manufacturers of complete assembly of elevatormachine, elevator gear box/geared motor for liftdoor opening/escalator/luggage conveyor, etc.

PRISMA DSA INDUSTRIES (INDIA) PVT. LTD.A-20, CROSS ROAD “B”, MIDC,ANDHERI EASTMUMBAI 400 093Telephone: +91 22 67429700 / 701 Fax Number: +91 22 29209159 E-Mail: [email protected],[email protected],[email protected] Site: www.prismadsa.com Contact: Mr. Ashok SubhedarProducts Manufactured/Supplied: ElevatorControllers and allied products, FabricationServices - CNC Fabrication, Water Jet CuttingSystems & Services.

M/s REVATHI ENTERPRISESF 104, MADHUBAN, NEAR MTNL BLDG AND DAHISAR TOLL POST. WESTERNEXPRESS HIGHWAY, DAHISAR (EAST),MUMBAI 400068, INDIATelephone: +91 22 28972184, 3184Fax Number: +91 22 28978643E-Mail: [email protected]; [email protected] Site: www.revathienterprises.comContact: Hemant TawdeProducts Manufactured/Supplied: ElevatorsCars, Doors, Frames and Precision FabricatedAssembies using CNC laser technology.

SAVERA INDIA RIDING SYSTEMS CO. PVT. LTD.PLOT NO. D-22, TALOJA, MIDC INDUSTRIALAREA, TALOJA -410208, DISTRICT RAIGADMAHARASHTRA, INDIATelephone: 0091 22 27402300/01Fax Number: +91 22 2740 2302E-Mail: [email protected] Site: www.saveragroup.comContact: Mr. Ajay PawarProducts Manufactured/Supplied: “Super”Guiderails that can be used in lifts with speedsbetween 0 - 1.6 m/sec. machined.

SCHMERSAL INDIA PVT. LTD.7TH FLOOR, VATIKA TRIANGLEBLOCK A, SUSHANT LOK PHASE 1MEHRAULI - GURGAON ROADGURGAON - 122002, INDIATelephone: +91 124 4342300Fax Number: +91 124 4342333 E-Mail: [email protected] Site: www.schmersal.in Contact: A.S. Senthil KumarProducts Manufactured/Supplied: DoorContacts with Positive Breaks, Magnetic ReedSwitches, Door Locks, Position Switches, FloorSwitches, Position Systems.

SEMATIC ITALIA S.P.A.VIA ZAPPA COMM.FRANCESCO, 5OSIO, SOTTO (BERGAMO) 24046 ITALYTelephone: +39-035-4815100Fax Number: +39-035-4815199E-Mail: [email protected] Site: www.sematic.comMarketing Contact: Dr. Ing. Marcello Personeni Engineering Contact: Dr. Ing. Roberto Zappa Sales Office(s): [email protected] Manufactured/Supplied: Automaticentrances for elevators. Operators, full glassentrances, framed glass entrances specificallydesigned for panoramic installations, round doorsare also available. Last Product Lines developed:entrances for modernization and for inclinedelevators. Entrances are fire rated, vandalresistant, for marine application, for saline or dustyatmospheres or exposed to adverse weatherconditions with high humidity and falling water.

SETTIMA MECCANICAVIA BERLINGUER 1SETTIMA (PC) 29020 ITALIATelephone: +390523 557623Fax Number: +390523 557256E-Mail: [email protected] Site: www.settima.itMarketing Contact: Ferraresi Simone Engineering Contact: Cagnani Pierpaolo Sales Office(s): Ferraresi SimoneProducts Manufactured/Supplied: Screw pumps

SHANGHAI BST ELECTRIC CO.,LTDDA-MAIWAN INDUSTRIALZONE,HANGTOU,NANHUI,SHANGHAI,CHINASHANGHAI 201316 CHINATelephone: 86-21-58222286Fax Number: 86-21-58221353E-Mail: [email protected] Web Site: www.shbst.com Marketing Contact: Ms. Shelley Zhou

Fax Number: +91 20 2710 2100E-Mail: [email protected] Site: www.messung.comContact: Mr. K.T. ChouguleProducts Manufactured/Supplied: V3F Drives,Programmable Logic Controller, Remote I/OSystems, HMI

MONTANARI GIULIO & C. SRLVIA BULGARIA 3941100 MODENA, ITALYTelephone: (39) 059-453611Fax Number: (39) 059-315890E-Mail: [email protected] Site: www.montanari-giulio.comMarketing Contact: Alessandra BezziEngineering Contact: Mr. Stefano BertoniSales Offices: Mr. Marcello BelleiProducts Manufactured/Supplied: Lift Gears for Goods and Passengers, Gearless, SafetyDevices (Speed Governors & Tension Devices,Instantaneous and Progressive Safety Gears, One way and Bi-Directional), Mechanical liftaccessories, Frequency controllers

ORIENT WIRE ROPES30-B, INDUSTRIAL AREA, SANWER ROADINDORE, MADHYAPRADESH452 015, INDIATelephone: 0091 731 2721912, 2720456Fax Number: 0091 731 2721364E-Mail: (A) [email protected] (B) [email protected] Site: www.orientwireropes.com Marketing Contact: 09406853459Engineering Contact: 09826047187Sales Office(s): 0091 731 2721912Products Manufactured/Supplied:1) Steel Wire Ropes 2) Steel Wire Rope's Sling

PEELLE195 SANDALWOOD PKWY W.,BRAMPTON, ONTARIO, CANADA, L7A 1J6Telephone: 905-846-4545Fax Number: 905-846-2161E-Mail: [email protected] Site: www.peelledoor.comSales Contact: Jose VilchezEngineering Contact: Frank Leo Sales Offices: United States (800) 645-1056;International (800)787-5020Products Manufactured/Supplied: Bi-partingand Slide-up Freight Elevator Hoistway Doors, Car Door (Gates), Motorized and manual, Freight Elevator Car (Cab) Enclosures, ChannelIron Entrance Frame/Sill assemblies, WiringMaterials and World Wide Installation. Materials to Motorize and/or Modernize the Existing FreightElevator equipment of any manufacturer. Centeropening doors specifically designed for freightelevator applications.

PEPPERL + FUCHS (INDIA) PVT. LTDB, PLOT NO. 10, 3RD MAIN, 1ST STAGE,PEENYA INDL. ESTATE BANGALORE - 560 058 Telephone: 0091 80 28378030, 28395585Fax Number: +91 80 2837 8031E-Mail: [email protected] Site: www.pepperl-fuchs.comContact: Ms. Deepika AroraProducts Manufactured/Supplied: InductiveSensor, Photoelectric Sensors, Capacitive andMagnetic Sensors, Ultrasonic Sensor, Positioners,


India Source Continued

Engineering Contact: Ms. Xiaodi Zhu Sales Office(s): International Business Dept.Products Manufactured/Supplied: Shanghai BST has the multi-processing capability forelectrical, mechanical, electronical, plastic, cableproducts. BST is specialized in manufacturing ofelevator and escalator electrical components,which includes: Car operation panel, Landingfixtures, Push button, PCBA, Hoistway fixtures,Control system, Cable, Cable harness etc.

SHARP ENGINEERS552’A’ ROAD, CROSS ROAD 12, GIDC, KATHWADAAHMEDABAD, INDIATelephone: 0091 79 22901711Fax Number: +91 79 22901716E-Mail: [email protected] Site: www.sharpengineers.comContact: Mr. Mitul PatelProducts Manufactured/Supplied: ElevatorMachines & Spares.

SKYLINE INDIARECRUIT.COM PVT. LTD.44, DECCAN COURT, 259-SV ROAD, BANDRA WESTMUMBAI, MAHARASHTRA 400050 INDIATelephone: (+91 22) 2655 8076Fax Number: (+91 22) 2651 4750E-Mail: [email protected] Site: www.elevator-jobs.comProducts Manufactured/Supplied: Recruitmentof Elevator Trained Personnel

TAK CONSULTING PVT. LTD.303, GALLERIA, HIRANANDANI GARDENS, POWAIMUMBAI - 400 076Telephone: +91 22 2570 7498 / 3263 8551Fax Number: +91 22 2570 7499E-Mail: [email protected] Site: www.takconsulting.netContact: Mr. Tak MathewsProducts Manufactured/Supplied: Design,Project, Service, Modernization & Traffic AnalysisConsultants for Elevators, Escalators and Moving Walks.

TL JONES INDIA PVT LTD202 HYDE PARKSAKI VIHAR ROAD, ANDHERI-EASTMUMBAI 400 072 INDIATelephone: +91 22 4215 0700/01/02/03Fax Number: +91 22 4200 0789E-Mail: [email protected] Site: www.tljones.comMarketing Contact: Dinesh Musalekar, Tel +91 22 6526 0345 / 6Engineering Contact: Rajesh Dharne, Tel +91 22 6526 0345 / 6Sales Office(s): Mumbai (Tel: +91 22 6526 0345 / 6);New Delhi (Tel: +91 1 2553 7775); Chennai (Tel: +91 44 4308 1447)Also: Singapore, Christchurch, Shanghai,Guangzhou, Beijing, Chongqing, Dubai, Tokyo,London, New York.Products Manufactured/Supplied: TL Jones India supplies a full range of elevator passenger safety and information products to the Indian market. This includes world leading infrared doorsafety edge brands Microscan™ andPanachrome, plus E-Motive brand elevatormultimedia & TFT displays, emergency

Bharat Bijlee, Ltd. . . . . . . . . . . . . . 23

Blain Hydraulics Gmbh . . . . . . . . 85

China Elevator Association . . . . . 74

EEST - Elevator & Escalator Safety Trust . . . . . . . . . . . . . . . . 58

Elecon Engineering Company Limited . . . . . . . . . . 25

Elevator World . . . . 4, 21, 29, 39, 56,

57, 71, Cover 3

ETA Melco Mitsubishi . . . . . . . . . . 37

Expert Equipments Pvt. Ltd. . . . . 16

Formula Systems Ltd. . . . . . . . . . . 31

Fuji Electric India Private Ltd. . . . 53

Garaventa (Canada) Ltd. . . . . . 27

Hafele India Pvt. Ltd. . . . . . . . . . . 13

Hydro-Pneumatic Teckniks . . . . . 67

Johnson Lifts Private Limited . . . . . 7

Kamal Enterprises (Maxton Group) . . . . . . . . . . . . 55

Kinetek . . . . . . . . . . . . . . . . . . . . . . 15

Lift Systems (India) Pvt. Ltd . . . . . 35

Montanari Giulio & C. SRL . . . . . . 19

Physical MeasurementTechnologies . . . . . . . . . . . . . . 1

Sematic Italia S.P.A. . . . . . . Cover 4

Shanghai BST Electric Co., Ltd. . . 17

Sharp Engineers . . . . . . . . . . . . . . . 5

Skyline IndiaRecruit.com Pvt. Ltd. . . . . . . . . . . . . . . . . . . . 26

TAK Consulting Private Limited . . 43

Tecnolama S.A. . . . . . . . . . Cover 2

Virgo Communications & Exhibitions Pvt. Ltd. . . . . . . . 30

Wurtec, Incorporated . . . . . . . . . 11

Advertisers Index

communications systems, annunciators, gongs,LED lights, photo sensor switches, lift monitoringsystems and various accessory products.

TECNO DOORS PVT. LTD.PLOT NO. L-1SIPCOT IND. PARK SRIPERUMBUDURMAMBAKKAM & PONDUR ‘A’ VILLAGESRIPERUMBUDUR TALUK,KANCHEEPURAM DIST. 602106TAMIL NADU, INDIATelephone: +91 (0) 44 2716 8013Fax Number: +91 (0) 44 2716 8012E-Mail: [email protected] Site: www.fermator.com Marketing Contact: Krishnan RamanarayanProducts Manufactured/Supplied: AutomaticDoors for Passenger and Goods Lifts

VIRGO COMMUNICATIONSPVT. LTD. & EXHIBITIONS#132, 1ST FLOOR, 5TH CROSS, CAMBRIDGE LAYOUT BANGALORE - 560 008, INDIA Telephone: +91 80 2556 7028/29, 4149 3996/97Tele-Fax Number: +91 80 2556 7028/29E-Mail: [email protected], [email protected],[email protected],[email protected] Web Site: www.virgo-comm.com,Marketing Contact: Ms. Anitha Raghunath & Mr. G. RaghuSales Office(s): Mr. Thomas T. AbrahamProducts Manufactured/Supplied: Organizers of India's mega exhibition and seminar on Elevator &Escalator technology - International Elevator &Escalator Expo (IEE Expo). Other exhibitionsbeing organized are: (i) IEE Expo - Tech Forum (ii) India International Adhesives & Sealants Expo(IIASE) (iii) International Power TransmissionExpo (IPTE - A Gear Technology Event).

VIRGO PUBLICATIONS#132, 1ST FLOOR, 5TH CROSS, CAMBRIDGE LAYOUTBANGALORE KARNATAKA 560008 INDIATelephone: +91 80 2556 7028, 2556 7029, 41493996, 4149 3997Tele-Fax Numbers: +91 80 2556 7028, 2556 7029E-Mail: [email protected],[email protected],[email protected] Web Site: www.elevatorworldindia.com Marketing Contact: Ms. Anitha Raghunath & Mr. G. RaghuSales Office(s): Mr. Thomas T. AbrahamProducts Manufactured/Supplied: Publishers ofElevator World India magazine in association withElevator World Inc., USA

WITTURROHRBACHSTRASSE 28WIEDENZHAUSEN, GERMANY 85259 Web Site: www.wittur.comMarketing Contact: see website (“Contact us” section) Engineering Contact: see website (“Contact us” section) Sales Office(s): see website (“Contact us” section)Products Manufactured/Supplied: see website(“Product navigator” section)

WURTEC, INCORPORATED6200 BRENT DRIVETOLEDO, OHIO 43611Telephone: (419) 726-1066 Toll-Free: 1-800-837-1066Telephone: (419) 729-5764E-Mail: [email protected] Site: www.wurtec.comMarketing Contact: Julie KreienkampEngineering Contact: Steven WurthProducts Manufactured/Supplied: Guide Rail Install/Align Tools; False Cars; Roping andHoisting Equipment; ADA Phone Systems;Oil Filtering Systems; Safety and ElectricalEquipment; Power & Hand Tools; Test &Measuring Equipment; Material Handling & General Purpose Tools; Hydraulic Tools;Elevator Components

EL

EVATORWORLD

VIRTUAL ELEVATOR

EV

ENT

For Information on Exhibiting Your Company or Sponsorship Opportunities Contact:

T. Bruce MacKinnon(251) 479.4514, ext. [email protected]

1 9 5 9 2 0 0 9U P A N D U PFOR 50 YEARS

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