Signature Tower,Hyderabad,Literature n Case Study

S i TS ignature Towerlanco Hills_Hyderabad

Anand SaurabhAnand Saurabh521/05

Architectural Thesis:10thsem_2010Bachelor of Architecture

National Institute of TechnologyNational Institute of TechnologyPatna

S ig n a t u r e Towe rlanco Hills_Hyderabad

Content1. INTRODUCTION2. SITE ANALYSIS

4. COMPARATIVE ANALYSIS

5. LITERATURE STUDYSite in context of world

Site in context of India Site in context of India

Site in context of Hyderabad

Site Location Plan

I. TURNING TORSO

General information

Architectural concept

Structural conceptSite Feasibility Plan

Site Access & View

Site Plan(zoning)

Site Plan (Norms)

Site Contour Plan & Details

Site Photographs

Steel spine

Floor Plan

Construction Photos

Conclusion

Site Access & View

3. CASE STUDY6. DESIGN CONSIDERATION

Site Photographs

Climate of Hyderabad

I .PLANET GODREJ

General Information

II. THE IMPERIAL TOWER

General Information

Fire Saftey

Refuge FloorGeneral Information

Location Plan

Site Plan

Vehicular movement

Entertainment Zone

General Information

Location Plan

Area Chart

Facilities & landscaping

Pinnacle Design

Mechanical Floor

Facade

Wind consideration

Entertainment Zone

Facilities

Floor Plan

Stack Diagram

Service

Pinnacle Design

Construction Photo

Recent Photo

Anand Saurabh_521/05 Stage ll_Data Collection & Literature Study 1

Service

Elevation Study


IntrSignature Tower is a proposed 90 floors skyscraper at Lanco hills hyderabad which will

roductSignature Tower is a proposed 90 floors skyscraper at Lanco hills, hyderabad , which will be used for residential purpose.

•Lanco Hills is one of the world’s largest mixed development projects. Designed to change the very skyline of Hyderabad.•Lanco Hills is planning an unique world within, offering convenient access to homes, premium office spaces, breath-taking ionvistas, landscaped gardens, entertainment, hotels, leisure and shopping in one destination.

Residential towers: - Signature tower of 90 level high being the one of the world tallest residential tower & surrounded by 16 towers up to 30 level high.Site: Manikonda village residential tower & surrounded by 16 towers up to 30 level high.

Club house:‐ Four home theatres, a world-class spa and gym, with an Olympic-sized swimming pool, party areas, multi-cuisine restaurants, well-appointed suites for guests, children’s library, play areas, outdoor games area are some of the features.5 star deluxe hotel

Site:- Manikonda village, Hyderabad(Andhra Pradesh)Type and use:- Residential(for signature tower) Developers: Lanco Group 5 star deluxe hotel

IT ParkBusiness Class Hotel2 Office TowerServiced Apartment

Developers:- Lanco GroupArea:-100 acresCost of the project:-5500 crore

Serviced ApartmentMall

In this short interval of 4 months, it would be a herculean task to design all the proposed buildings. So, I would confine myself In this short interval of 4 months, it would be a herculean task to design all the proposed buildings. So, I would confine myself while designing the following:•Site plan of Residential zone•Detailed Drawing of Signature Tower



IntrA skyscraper is a tall, continuously habitable building.

•There is no official definition or height above which a building may clearly be classified as a skyscraper even a building of 80 meters

roduct

•The tallest building symbolizes national prestige in the form of

clearly be classified as a skyscraper even a building of 80 meters (262 feet) may be considered a skyscraper if it protrudes above its built environment and changes the overall skyline.

ion

The tallest building symbolizes national prestige in the form of economic status, growth, technological prosperity and modernity.

W

•The size of skyscrapers allows for high-density work and living spaces, reducing the amount of land given over to human development

Why

•Mass transit and commercial transport are economically and environmentally more efficient when serving high-density development than suburban or rural development.

Skysc•The total energy expended towards waste disposal and climate control is relatively lower for a given number of people occupying a skyscraper than that same number of

l i d h i

raper

people occupying modern housing


S I T E A N A L Y S I S


Site•Today Skyscraper are the place where business can stand &world growing population can find home.

analy

•Skyscraper is icon for the city, community or entire country.•Hong Kong(china) has over half the top 100 high rise building in the world i.e. height over 200 m.

ysis

g g

•India is most populous country after China which has a population of more than 1,000,000,000 residing over a land area of around 2 973 190 sq kmarea of around 2,973,190 sq.km.

Rank Building City Country Height Floors Built

1 Burj Khalifa Dubai UAE 828 m 2 717 ft 160 20101 Burj Khalifa Dubai UAE 828 m 2,717 ft 160 2010

2 Taipei 101 Taipei Taiwan 509 m 1,671 ft 101 2004

3Shanghai World Financial Center

Shanghai China 492 m 1,614 ft 101 2008

4International Commerce Centre

Kowloon Hong Kong SAR, PRC 483 m 1,584 ft 118 2009

5 Petronas Tower Kuala Lumpur Malaysia 452 m 1 483 ft 88 1998


5 Petronas Tower Kuala Lumpur Malaysia 452 m 1,483 ft 88 1998


Site analyTowers Location height FloorsYear of completion

List Of skyscraper in IndiaysisImperial Tower I Mumbai

249 metres (817 ft)

60 2010

Imperial Tower II

Mumbai249 metres (817 ft)

60 2009

181 t Planet Godrej Mumbai

181 metres (594 ft)

51 2009

Ashok Towers 1 Mumbai193 metres (633 ft)

49 2009

RNA Mi M b i180 metres

40 2009RNA Mirage Mumbai180 metres (591 ft)

40 2009

Oberoi Woods Tower

Mumbai170 metres (558 ft)

40 2009

APIIC(Andhra Pradesh State Industraial Corporation) is planning to make a compact bussiness distric like manhattan.N

APIIC has initially proposed to build 60 floors twin tower. Teams were sent to study the petrona & sears tower. Based on their report , a single trade tower of 90 floors with surrounding 16 towers upto 30 floors was approved upto 30 floors was approved.



Site•Hyderabad is the capital and the most populous city of the South india State Andhra Pradesh.

•It is known as the "City of Pearls" and the

analy

"City of Nizams".•Hyderabad has developed into a major hub for the Information technology industry in India.•The cit has bee classified as a A 1 cit i

ysisan

•At present , the 16 storey Babu khan Estate,

•The city has been classified as an A-1 city in terms of development priorities, due to its size, population and impact.

on P

la

At present , the 16 storey Babu khan Estate, built in 1987 is the tallest commercial building followed by 13 storey haj house in hyderabad .

Site Distance from:-Loca

tio

Site Distance from:Samsabad Airport - 30 kmBegumput Airport - 18 kmRailway Station - 21 km

L

Hitech City - 5 kmGolconda Fort - 12 kmCharminar - 20 kmHussain Sagar - 14km

NHussain Sagar 14km



Site analyysisN

lan

lity

P

Distance from:‐Samsabad AirportBegumput AirportRailway StationHitech CityFe

asib

i

Hitech CityGolconda FortCharminarHussain Sagar

F

IT sectors & other Office area are located within a radii of 5 km.

Luxurious residential tower at Lanco hills offers ‘Walk to work culture’ for nearby IT sectors, far from old city traffic & congestion.



Site analy

Access to site is through:-•80’ wide Mumbai road(NH9)•150’ wide Jawahar lal nehruexpressway

ysisW

S

expressway•Lanco group constructed a 50’ road for access to site.•80’ Road is proposed from site to &

VIE

mumbai road(NH9)

NCCES

S A

This tower will have view of Hitech city at N, golconda fort at SE, wipro, infosys, financial distric etc at NW due to virtue of its height.



Site analy246 m ysis206 m

75 m

N

Site Area =100 acres(18 million sq ft.)Cost = 5500 crore

Residential zone=22 acresArea for Signature tower=1.6 acre(As per Zoning of lanco groups)



SiteHeight of building:- 680 m from mean sea-level (600 m from ground) is approved

analy

F.A.R. – no restriction

Set Back –16 m from all side

ysis

Fire Saftey Norms:–•generally follows N B C•generally follows N.B.C.•Fire floors (Refuge Floor) with fire retard elements.•G.B. Menon ( fire advisor for government of

N

ATKINS is consulted for wind load on signature tower.JACOB consultancy is consulted for flight path of world planes

Signature Tower India) is cosultated for this project.

J y g p p.

Architects :- Abhi Kalpan(Mumbai) – for master planningDP Architect- Singapore



Site analyysis

The city lies in the Deccan Plateau and rises to an average height of 540 m above the sea levelThe city lies at 17 366° N latitude and 78 476° E The city lies at 17.366 N latitude and 78.476 E longitude.

The city’s soil type is mainly red sandy with areas of black cotton soil.

N

Hyderabad falls in the seismic zone-I and is seismically least exposed to earthquakes.

•Hyderabad is blessed with a unique landscape –spectacular rock formations which are about 2,500 million years old.Th i b l t ti t th it


p q•There is barely any vegetation at the site


Site analyysis


Climate of Hyderabad


SiteClimate of Hyderabad

•The average temperature in Hyderabad, Andhra Pradesh, India is 25.9 °C (79 °F).Th i 12 °C

analy

•The average temperature range is 12 °C.•The highest monthly average high temperature is 40 °C (104 °F) in May.•The lowest monthly average low temperature is 15 °C (59 °F) in December.•Hyderabad, Andhra Pradesh's climate receives an average of 764 mm (30.1 in) of rainfall per year, or 64 mm (2.5 in)

ysis

y , g ( ) p y , ( )per month.

•On average there are 81 days per year with more than 0.1 mm (0.004 in) of rainfall (precipitation) or 7 days with a quantity of rain, sleet, snow etc. per month.Th d i h i i J h f 2 (0 1 i ) f i f ll ( i i i ) <1 d•The driest weather is in January when an average of 2 mm (0.1 in) of rainfall (precipitation) occurs across <1 days.

•The wettest weather is in July when an average of 165 mm (6.5 in) of rainfall (precipitation) occurs across 19 days.•The average annual relative humidity is 47.3% and average monthly relative humidity ranges from 27% in March to 70% in September.p•Average sunlight hours in Hyderabad, Andhra Pradesh range between 3.6 hours per day in July and 10.2 hours per day in February.•There are an average of 2877 hours of sunlight per year with an average of 7.9 hours of sunlight per day.

Hyderabad has a tropical wet and dry climate. The city is extremely hot in summer with temperature reaching 40 degrees Celsius. Winters are mild and pleasant while it is cool and breezy during the monsoon season. The monsoon rains lash the city between June & August and accounts for most of the city’s annual rainfall i.e. approx 90 cms.



Site analyysish d

Gra

per

abad

mat

ic

Hy

deCl

iOf



Siteam

•It will be beneficial to orient the building in a way that the North facade gets maximum exposure and West side are

analyDiag

rag p

protected from other buildings/building elements or trees.

•The plots/buildings should be laid in a way that the longer

ysisPa

th D

The plots/buildings should be laid in a way that the longer facade face North.

Sun

P

BUILDING RECIVING RADIATION

Top view 3d view


V i bl I II III IV V VI VII VIII IX X XI XII


SiteVariable I II III IV V VI VII VIII IX X XI XII

Insolation,kWh/m²/day

4.88 5.70 6.29 6.64 6.40 5.02 4.43 4.31 4.69 4.88 4.88 4.65

Clearness, 0 ‐ 1 0.62 0.65 0.64 0.63 0.60 0.47 0.41 0.41 0.47 0.54 0.60 0.62

analy

Temperature,°C 23.56 26.16 29.78 30.28 31.76 28.60 27.06 26.75 26.83 25.78 24.47 23.16

Wind speed,m/s 2.60 2.92 2.91 3.29 3.97 4.84 4.68 4.41 3.14 2.67 2.79 2.70

ysis

Precipitation,mm 3 6 13 20 35 104 174 165 184 90 19 6

Wet days, d 0.3 0.4 0.8 1.6 2.3 7.7 10.5 10.2 8.4 4.9 1.5 0.4

P edo i a t i d di ectio is f o east to est a d est to east i the cit So the b ildi blocks sho ld be laid i the Predominant wind direction is from east to west and west to east in the city. So the building blocks should be laid in the way that there is enough passage for movement of East-West wind.



Site analyC A SE STUDY

ysis



Casee Studdy( Planet Godrej )

Planet GodrejSimplex Mills, 30 Keshavrao Khadye Marg,Sant Ghadge Maharaj Chowk, Mahalaxmi,Mumbai ‐ 400 011, Maharashtra, India.

Planet Godrej



CaseDesign

e StudDesign•Designed by Singapore based DP Architects•Standing 48 stories tall•This five‐tower skyscraper is a stunning example

dy( Planet

of modern design.•The architectural layout of Planet Godrej ensures that each apartment has open views from every side of the building.

Godrej )

side of the building.•The design of the towers will ensure that Planet Godrej remains a landmark for years to come.

No. of Stories – 48 + 2 + 1Architects – DP Architects, SingaporeLocation – Mahalaxmi, MumbaiTotal area – 45.202 acres.Built up area ‐6.5 lakh sq ft;


Cost‐ Rs 200 crore


CaseLocation study

Proximity to site…..1. The front view overlooks the Racecourse and the deep blue of the Arabian Sea.

e Stud

2. The exquisite Haji Ali Mosque and other landmarks are also in sight from each apartment.3. The rear view is equally remarkable and offers a glimpse of the Mumbai Zoo as well as, of the ocean and islands beyond.

dy( Planet Godrej )

1. Planet Godrej is ideally located in the heart of Mumbai.2. Its location offers quick access to all the major landmarks of South Mumbai.

c a s e s t u d y Planet godrej



Casee Stud

The tower is actually five towers of 51 stories connected together, and are marketed as:

dy( Planet

marketed as:

Celesta,Strata,Electra

Godrej )

Electra,Aqua andTerra –

which I presume are being named after which I presume are being named after what the developer feels modern daysubjects of the Roman Empire would presumably call the base elements.



Case1. Visitors Parking

e StudV e h i c u l a r m o v e m e n t

2. Entrance lobby3. Drop off point

dy( Planet Godrej )



Casee StudR e c r e a t i o n a l z o n e

dy( Planet

Children’s play areaFeatured Fountain

Lawn Godrej )

Palm Grooves

Featured Arch Wall

Timber Decking

Deck

Club House


Landscaping and Facilities in tower


CaseLandscaping and Facilities in tower1. There are open areas for residents to relax and unwind.2 A swimming pool3. a children’s pool and4 play area

e Stud

4. play area.5. Tennis courts,6. a squash court,7. a basketball court,8 a badminton court

dy( Planet

8. a badminton court,9. a modern gym, and10. a clubhouse.

Godrej )



CasePlanning• Built area 6.5 lakh sq ft• Parking ‐2 basement & ground Level.

2 fl f t l bb

e Stud

• 2 floors of entrance lobby.• 47 floors of livable spacewith 264 Apartments

dy( Planet

The Apartments• 2 bedroom,• 3 bedroom,• 4 bedroom

Godrej )

• duplex and• penthouse apartments.


Stack DiagramS ig n a t u r e Towe r

lanco Hills_Hyderabad

CasegBuilt up area ‐6.5 lakh sq ft;

e Studdy( Planet Godrej )



CaseServices.1. Piped Natural Gas provision.

e Stud

2. Well‐designed lobbies.3. Each tower is serviced by 3 OTIS High speed automatic lifts.4. An elaborate fire fighting system with smoke

dy( Planet

alarm and wet risers as per CFO norms.5. Ground level covered car parking.

Godrej )

•Marble / Granite / Granamite in common areas, Lobbies etc.•Kotah on staircases.



CaseElevation study

Voids to counter balance the wind effect

e Studdy( Planet Godrej )

•External Finishes: Weather Shield / Sandtex or equivalent.•WINDOWS: Powder coated / anodized Aluminium Glazed windows.



Casee Studdy( Planet Godrej )



Casee Studdy



Casee Studdy( The Imperial Tower)

The Imperial TowerB B Nakashe Marg Tardeo B. B. Nakashe Marg, Tardeo, Mumbai ‐34, Maharastra



Casee StudFacts about the building

i f

dy( The Imp

1. The towers are built on former slum land where the current re‐development model of builders providing free land and rehabilitation to slum dwellers in exchange for rights for property development, wasfirst put into practice on a big scale.2 Th l hi h d id i l

erial Tower)

2. The towers are ultra‐high end residential towers .3. The Imperial offers sea‐views by virtue of its height, and a resort‐like gardens and fountains on top of theparking‐structure podium, with hanging gardens that mask the structure itself.

Architects – Hafeez Contractor & AssociatesDevelopers ‐ Shapoorji Pallonji & Co Ltd./SD Corporation'sNo. Of Stories – 60 (Each 249 m High)

c a s e s t u d yc a s e s t u d y Imperial Tower



CaseLocation studySurrounding area of "The Imperial" include :1. Mumbai Central Railway Station is located just 0.4 kms away from the project.

e Study j y p j2. The Villa Theresa School, Bombay International School and NewActivity School are within 10 minutes driving distance3. Ruia Girls College, Bhavan's College and Wilson College are within 2 kms4. The Bhatia General Hospital, Jaslok Hospital and Cumballa Hill

dy( The Impp , J p

Hospital & Heart Institute are all within 1 km radius.5. The Crossroads mall and Heera Panna Shopping Centre are located within 0.5 kms

erial Tower)



CaseArea chart of building

•It includes construction of 14nos Of rehabilitation

e Stud

•It includes construction of 14nos. Of rehabilitation buildings of G+10/14/16/21 comprising of around 2100 flats.

dy( The Imp

•Each tower consists of 8 podium floors ofcar parking.

•3 floors of lavish entrance lobby

erial Tower)

•3 floors of lavish entrance lobby.

•49 liveable floors with 122 flats.

•Service floors at lvl 10-11, 18, 29, 45, 54 -55.

•56-57, 58-59 & level used for sky deck & communication purposecommunication purpose

•Recreational facility at 23‐25 lvls.



CaseLandscaping

Th I i l ff i b i t f it h i ht

e Stud

• The Imperial offers sea‐views by virtue of its height

•A resort‐like gardens and fountains on top of the parking‐structure podium,with hanging gardens that mask

dy( The Impp g p , g g g

the structure itself.

erial Tower)

Facilities

• Indoor Swimming Pool Indoor Swimming Pool• Fully‐equipped health club & spa.• Mini Theatre• Restaurant• Badminton & Squash Courts• Children's Play Area• Landscaped Garden• 8 high speed lifts 8 high speed lifts



CaseP i n n a c l e d e s i g ne Stud

•Pinnacle is designed to signify the height & grandeur of tower.•It’s podium height is 5.3 ms•Steel pyramid of 14 8 ms

dy( The ImpSteel pyramid of 14.8 ms

•N top steel pinnacle of height 7.3m•Total height of 27.4ms.•Used as lightning conductor & can be used as telecom

erial Tower)

towers.


Construction photosS ig n a t u r e Towe r


CaseConstruction photos e Studdy( The Imperial Tower)



CaseRecent photos e Studp

dy( The Imperial Tower)


C OMPA R AT I V E A N A L Y S I S


Commparative annalysiss



Commparative annalysiss


L I T E R AT U R E S T UDY


Literaturee Studdy( Turning Torso )

Turning Torsog o soMalmo, Sweden


Architect :- Santiago calatrava


Liteg• no of floors – 57• basement – 2• height – 190.4 mts• 9 cubes of 5 floors each

Facts• Location : Malmo, Sweden• Height: 190 m• Stories: 54

rature

• each floor: 1.6 deg• each cube: 10 deg

• building : mixed use• 1st to 2nd cube :commercial space• 3rd to 9th cube: residential space• 147 luxary apartment ranging from 45sqm to 190 sqm

e Stud

ate ials

y p g g q q• cost : 235million US$

dy( Turning

materials• concrete core-shear walls• concrete floor slabs• steel spine

Torso )

p



Litearchitectural conceptrature

• designed to look like a turning human body• nine vertically stacked cubes• twisted 90 degrees from bottom to top t l i t i t l ith th t t

e Stud

• steel spine twists along with the structuresimilar to spine and ribs of the human body

dy( Turning

Johnny Örbäck, former CEO of the Turning Torso d B d Ch i f h M l ö

Torso )

contractor and Board Chairman of the Malmöbranch of the co-operative housing association HSB, saw the sculpture in 1999 and contacted Calatravato ask him to design a building using the same g g gconcept.


Structural conceptS ig n a t u r e Towe r


Liteconcrete tube core ,r =10.6 mts

The central core is supported by a foundation slab, while at the corner of each floor is a concrete column supported by a pile foundation.

rature

concrete floor slab 1ft thick cantilevered from the core

concrete perimeter column

concrete column supported by a pile foundation.

The Torso's exoskeleton is effectively a steel truss erected on the outside of the building

e Stud

steel spine pinconnected

with the same clockwise rotation as the tower itself.

Th ee hi h s eed lifts i the co e of the b ildi

dy( Turning

Three high-speed lifts in the core of the building service these apartments. They travel at 5m per second, so it only takes 38 seconds to get from ground level to the 54th floor.

Torso )

g



Litesteel spine • as exoskeleton for the structure • reduces wind displacement • acts as a reinforcing truss

rature

• acts as a reinforcing truss • consists of 20 horizontal and 18 diagonal members known as cigars

lateral load transfer

e Stud

lateral load transfer steel spine

i t ll

dy( Turning

perimeter walls

cantilever floor slabs

Torso )

central core

foundation


concrete perimeter


Litep

columnrature

vertically continuous perimeterwalls

e Stud

concrete floor slabcantilevered from core

dy( Turning

circular hallway

concrete core

Torso )

glass and aluminiumglass and aluminiumfacade

17 mts

Typical floor planAnand Saurabh_521/05 Stage ll_Data Collection & Literature Study 46

C i


LiteConstruction process• self climbing slip forms• steel spine erected using air-driven winches• steel treated with special anticorrosive paint

rature

• steel treated with special anticorrosive paint

e Studdy( Turning Torso )



LiteConclusion• example of a structure where steel exoskeleton is used as an efficient lateral bracing mechanism

ratureefficient lateral bracing mechanism• central core in concrete is the main element responsible for transferring vertical loads towards the foundation.




LiteratureD E S I G N C ON S I D E R AT I O N



DesThe design and construction of skyscrapers involves creating safe, habitable spaces in very tall buildings. The buildings must support their weight, resist wind and earthquakes, and protect occupants from fire.They must also be conveniently accessible, even on the upper floors, and provide utilities and a comfortable climate for the

ign CoThey must also be conveniently accessible, even on the upper floors, and provide utilities and a comfortable climate for the occupants.

onsideFire Safety ration

y

Fire Detection System•Automatic Fire detector n

•Smoke detection•Fire alarm

Fire Control System•CO2 suppression system•Portable fire extinguisher•Sprinklers•Smoke Control Installation•Fire hydrant

c a s e s t u d y Planet godrej



DesFire Stamp High Sprinkler Riser-used in staircase

Fire Safetyign Co

Stair Pressurisation :- Its purpose is to limit smoke migration into the main egress route.

onside

lobby Pressurisation :- Relative safe area of refuge for occupant on the floor of fire origin.

lobby Extraction/Smoke Spill System

ration

Signage

P blic Add ess S ste & Occ a t I te co icatio

n

Public Address System & Occupant Intercommunication

Alarm Sequence

Emergency power

Halogen based Fire fighting system


Refuge FloorS ig n a t u r e Towe r


Des•Under building code of Hongkong, china, australia etc, the provision of refuge floor has been a indispensible element

ign Co•Refuge floor is specially designed in high-rise buildings for the purpose of supplying a temporarily safe place for evacuees under emergency situations.

of high rise building design .

•Wind induced cross ventilation is an important design criterion of refuge floor , since it helps to prevent any smoke entering to become persistent state remained (logging) on the refuge floor.

onside

•Refuge floor should be provided at 20-25 stories .

•There can be no occupied accommodation or accessible mechanical floor ,except fire services water tank & associated fire safety installation plant room at the same level

ration

services water tank & associated fire safety installation plant room ,at the same level.

•Vertical shaft passing through a refuge floor shuldn’t open directly on floor .

•O these floo Steel lates de i the co c ete floo i

n

•On these floor , Steel plates underpin the concrete flooring.

•All the element and structural members is given a fire rating of 4 hours.

•In some tall building, refuge floor take the form of commercial sky garden.


Mechanical Floor/Mechanical penthouse/Service Floor S ig n a t u r e Towe r


Desp•Mechanical Floor contain electric generator, chiller plant, intermediate water tanks & pump ,lift pit upper floor elevator & lift machine room for lower level elevator.

ign Coelevator.

•This layout of mechanical floor reflect the internal vertical zoning of elevator.

U ll h W h h b l l If h

onside

•Usually the Water pump have enough power to by pass a level .If the pump at particular mechanical floor failed ,the pump can send water two level up .

•This floor requires external vents or louvers for ventilation & heat rejection..

rationq j n

Mechanical floor generally consisted of two floors & can be used for additional stabilizer element such as tuned mass damper.




Desp ign Coonsiderationn

•This floor requires external vents or louvers for ventilation & heat rejection.•Masking vent can be done by complex wall angle (Petrona tower), intricate g y p g ( ),lattice cladding(Jin Mao Bldg) or non glassed section that appear to be ornamented(Tapei 101).




Desp

Upper level mechanical penthouse contain communication devices & window washing

ign CoUpper level mechanical penthouse contain communication devices & window washing equipment & designed as simple box on roof or concealed inside a decorative spire.

onsiderationn

•C sto ade B ildi Mai tia ce U its(BMU) is sed fo clea i Facade of •Custom made Building Maintiance Units(BMU) is used for cleaning Facade of Burj Dubai. Its take 2 to 3 month to clean whole façade•a horizontal track has been installed on the exterior of Burj Khalifa at levels 40, 73 and 109.

Pinnacle window washing unit is used for cleaning Facade of petrona tower


petrona tower.

FacadeS ig n a t u r e Towe r


DesFacade ign Co

•The fresh air is supplied via ventilation units placed in

onside

•The fresh air is supplied via ventilation units placed in front of the floor slabs. The air is conditioned separately on every storey and blown into the rooms.• The exhaust air is extracted through the façade cavity and exhausted either directly via ventilation units or first ration

and exhausted either directly via ventilation units or first drawn through a heat exchanger.

n

•Stainless steel glass cladding.•Custom made shading device is used on facade

reflective glazing, and aluminium and textured stainless steel spandrel panels with vertical tubular fins are used .


S l id i f i d


Structural consideration for wind

Critical issues for design of high rise building in a region prone to significant wind & seismic effect typically i l dinclude:-• High base overturning and foundation design.(wind, seismic)• High shear capacity requirement near base.( seismic)• High gravity stress in vertical element( using high tensile materials) to minimize structural size for economic g g y ( g g )structural design and to maximize net floor area.• Development of ductility of elements at the base of structure under high compressive gravity stress. (seismic)• Controlling lateral acceleration (wind) by shape of building.

C lli S d if• Controlling Storey drift.• Ensuring ductile energy dissipation mechanism and preventing brittle failure.

•Shape of building to minimize wind load.40 i d l i d d fi h h•40 wind tunnel test is conducted to confirm the shape.


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