Concrete Openings - September 2008

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concrete openings | 1www.csDA.org

President’s Page

B eginning in the mid-1980s, industries became

concerned with the projected mass retirement

of the baby boomers. the major question be-

hind this issue was, “what will happen when this excep-

tionally large segment of our work force is no longer

around to produce the goods and services required to

sustain our economy?” even though today’s economic

environment may cause some baby boomers to post-

pone their retirement plans, many will still leave the

workforce within the next five to ten years.

when i look at the people who make up the commit-

tees, board and officers of csDA, i see a sprinkling of

people from my generation, sometimes known as the

silent generation or the “matures” but i see many more

baby boomers in the ranks. some represent the second

generation of their family business as csDA members.

with them comes a legacy of enthusiasm and desire

to make a meaningful contribution to the association.

Many have been contributing their time and leadership

to the association for most of their careers.

other new board and committee members have

been in the sawing and drilling business a relatively

short time, but they already recognize the benefits

of accepting leadership roles as board and commit-

tee members. these new, younger members carry

forward the experience, knowledge and values of

previous generations, adding to that a fresh perspec-

tive and technological savvy that can greatly benefit

our industry.

tom stowellCSDA President

the make-up of our committees and board offi-

cer positions closely mirrors our membership. Because

the membership base of csDA will also be affected

when the baby boomers begin retiring, membership

growth is an especially critical issue. we need newer

members to begin providing more leadership to ensure

the future success of csDA benefits and programs for

a new generation of members.

therefore, i would like to extend an invitation to

our younger contractor members to sit in on a commit-

tee meeting or two. At the very least, you will learn

more about csDA and make a few new friends. At

most, you will see the value csDA programs bring to

your business and you’ll want to participate in the

leadership of csDA to influence the future of those

programs.

truly, the size of your company doesn’t matter.

our members represent companies of all sizes. what

matters is your willingness to step up and see what your

peers are doing to improve the concrete sawing and

drilling industry. so, come and join us at one of our

quarterly meetings. i promise you a warm welcome and

i‘m certain you’ll find the experience both educational,

fun and worth the effort.

…Now Available in aFull Line of Guidebarsand Chains

Bars shown fit hydraulic saws only. FORCE4™ is also available on the 633GC gas saw with 14- or 16-inch guidebars. Contact your ICS Representative or call 800.321.1240 for more information. Visit www.icsbestway.com to learn more about Diamond Chain Technology™ and see the full line of ICS products.© 2008 ICS, Blount Inc. All rights reserved.

ICS now offers the strength of FORCE4™ in 4 bar lengths and 4 chain types, giving you the power to tackle any job.

The Diamond Chain You Wanted in the First Place Is. . .

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20 in

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CirCle reAder serviCe CArd no. 5


p 22p 16

p 12

CsdA offiCers

president, tom stowellnorton penhall Diamond

[email protected]

Vice president, Doug walkerAtlantic concrete cutting, inc.

[email protected]

secretary/treasurer, Judith o’Dayterra Diamond industrial

[email protected]

past president, susan HollingsworthHoles incorporated

[email protected]

executive Director, patrick o’Brienconcrete sawing & Drilling Association

[email protected]

CsdA BoArd of direCtors(terms expiring 2009)

steve garrison Diamond B, inc.

[email protected]

Aaron Louisell Diamond concrete sawing

[email protected]

Lisa Mullen Bluegrass concrete cutting, inc.

[email protected]

rick norland construction solutions, LLc

[email protected]

Mike orzechowski DiteQ corporation [email protected]

ron rapper Husqvarna construction products

[email protected]

CsdA BoArd of direCtors(terms expiring in 2010)

skip Aston ohio concrete sawing & Drilling, inc.

[email protected]

ron culgin pro cut, inc.

[email protected]

patrick Harris concrete renovation, inc.

[email protected]

Mike nelson K2 Diamond

[email protected]

chris priest sanders saws

[email protected]

Jack sondergard central concrete cutting, inc. [email protected]

t h e o f f i c i a l m a g a z i n e o f t h e c o n c r e t e s a w i n g a n d d r i l l i n g a s s o c i a t i o n

F E AT U R E S

6 Core Drilling the Castle To save one of Canada’s oldest and most beloved

buildings, CSDA member carefully dry drilled 4,350 feet into its 100-year-old sandstone walls.

12 Cutting Concrete for Concourse C Before the Denver International Airport could add four

moving walkways to Concourse C, DeAndrea Coring and Sawing had to clear close to a million pounds of concrete from the existing floors.

16 Making the Connection CSDA contractor cut 738 linear feet through 36-inch concrete

walls to keep Pittsburgh’s North Shore connector subway drained and dry.

22 Beefing Up the Bridge Safety is the key to a Washington State bridge retrofit.

p 6

p 12p 6

p 16 p 22

4 | septeMBer.08

p 40

ConCrete oPenings mAgAzine

official Magazine of the concrete sawing and Drilling Association

Volume 17, number 3 issn: 1093-6483

Concrete Openings magazine is published by o’Brien international, inc. four times each calendar year in March, June, september and December. editorial contributions are welcomed

and advertisements are encouraged. please contact the concrete sawing and Drilling Association

11001 Danka way north, suite 1 saint petersburg, Florida 33716

tel: 727-577-5004 Fax: 727-577-5012

www.csDA.org

Magazines, newspapers and private individuals are welcome to reproduce, in whole or part, articles published herein provided

that acknowledgements are made in the following manner: “reprinted courtesy of the concrete sawing and Drilling

Association, Concrete Openings magazine, issue Date.” no alterations should be made in the text of any article.

PuBlisher

patrick o’Brien

editor

cherryl o’Brien

JoB story ContriButors

tim carlson

paul DeAndrea

tiffany Freeman

ed Hansen

Dan Matesic

Dave Matesic

guy Vezina

editoriAl review Committee

thom Fisher

Les Kuzmick

pat stepanski

ron Van Zee

the information and recommendations in this magazine are provided for use by fully qualified, professional personnel.

the concrete sawing and Drilling Association and the publisher disclaim any responsibility as to their use by

readers and shall not be liable for damages arising out of the use of the foregoing information.

All bylined articles published in this magazine represent solely the individual opinions of the writers and not necessarily those of the

concrete sawing and Drilling Association.

D E PA R T M E N T S

1 President’s Page

28 Passports in Order? CSDA 2009 Convention Heads South of the Border

32 The International Association of Concrete Drillers and Sawers Turns 13 in Spain

34 Business of Business Guns at the Workplace–Liability Challenges

36 Tech Talk The World of Surface Preparation

40 Safety Counts A Safe Workplace is a Drug-Free Workplace

42 Insurance Corner Why Shoud I Care About Losses?

44 Industry Bits

54 Certified Operator Companies

56 New Members

56 Classified Ads

57 Calendar

58 Advertisers

60 Director’s Dialogue

Cover Photo: courtesy of Denver international Airport, Denver, colorado.

The Muscle Behind the MachineThe Muscle Behind the Machine

The quality assurance of the

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best engineered products for

the job – day in and day out.

Let us work with you at the job

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New Diamond PolishingProductsFrom outdoors to indoors, we

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CSDA Full Page Ad AUGUST 2008.qxd 09/07/2008 2:10 PM Page 1

CirCle reAder serviCe CArd no. 64concrete openings | 5www.csDA.org

6 | JUne.08

l ocals have nicknamed the Victoria Memorial Museum Building

(VMMB) the “castle” because of its scottish baronial style. Home

to the canadian Museum of nature, this historic building in

canada’s capital is undergoing a long-awaited restoration. the project

will update every system in the castle and create 22,000 square feet of

additions. crews will also return to the building something that was

lost long ago—its signature entrance tower.

Architect David ewart designed the building at the turn of the 20th

century. ewart’s design incorporated a towering front entrance to pay

homage to canada’s parliament building. scottish masons traveled

Core Drilling the Castle

To save one of Canada’s oldest and most beloved buildings, CSDA

member carefully dry drilled 4,350 feet into its 100-year-old sandstone walls.

6 | septeMBer.08


across the Atlantic to prepare the local sandstone for the VMMB, and

construction began in 1905. seven years later, the national Museum of

natural sciences (now the canadian Museum of nature) displayed its

first exhibits at the VMMB’s grand opening.

By 1915, signs that the foundation could not support the VMMB’s

weight could not be ignored. cracks were appearing in the founda-

tion and the massive entrance was tearing away from the building.

the castle was sinking. construction crews shortened the tower by 80

feet in an effort to stabilize the structure. Further stabilization efforts

were made throughout the 20th century, including the castle’s last major

renovation in the 1960s.

Artists rendering of the completed glass lantern tower on the Victoria Memorial Museum Building. picture courtesy of pKg Architects in joint venture.


8 | JUne.08

today’s rehabilitation project is expected to end the castle’s long-

time foundation problems. the most important improvement is the

seismic framing system, a new steel frame that is being built directly

into the existing walls and floor, then tied to the stonework. in essence,

construction crews will create an endo-skeleton, or a building within a

building, for the VMMB.

crews are dry drilling the walls to create access for the seismic frame

installation. Dry drilling is necessary because the walls are constructed of

sandstone, a very porous rock that would be damaged by wet drilling.

the seismic frame will provide enough support to restore ewart’s origi-

nal design intention. the castle’s towering entrance will be re-created,

but this time the structure will be made of glass. the tower includes a

giant lantern, creating a sparkling draw for passersby as well as bright-

ening the interior of the museum for its patrons.

over 4,350 feet of dry drilling was required on this project. general

contractor pcL constructors canada (pcL) called in csDA member

company capital cutting and coring (capital) because of their estab-

lished reputation of experience, teamwork and performance. concrete

sawing and drilling is generally chosen on jobs that require precision.

sawing and drilling are also fast, efficient and cost-effective alternatives

to demolition. Because the VMMB is a historic landmark, maintaining

the structural integrity of the building makes precision concrete work

like capital’s a valuable commodity. pcL also took into account capital’s

proven ability to work in areas open to the public, keeping debris and

dust contained.

capital’s team began their work at the west entrance of the VMMB.

they erected scaffolding outside the structure to provide safety and

access to the walls and roof. capital and pcL established regular safety

meetings early on to keep everyone on top of safety and site cleanliness

issues. capital chose a Diamond tech drill, the Dt401, 110 volts with

tB 50-torque booster to drill 6 holes, 4 inches in diameter and 35 feet

deep. operators used specialized K-2 Diamond bits, and kept the bits

cool during drilling with compressed air.

Because operators were drilling into a porous rock, they encoun-

tered voids that made removing the cores more difficult than usual. they

also ran across sections that had been filled with grout and loose rock.

often these voids would jam up the drill and pulverize the core. work

progressed slowly as capital’s crew extracted the troublesome cores.

coring the west entrance eventually took close to 14 weeks.

the team moved on to the west chimneys with the Dt401. work

consisted of 4 holes, 4 inches in diameter and 22.5 feet deep. Fortunately,

the chimneys were solid. there were only two complications the crew

had to manage: maneuvering the Dt401 into very tight spaces in order

to access the chimneys and drilling through a 1-inch-thick steel web at

their base. work on the chimneys went smoothly for the crew.

After completing the west entrance and west chimneys, capital

drilled test cores on their future work sites to learn the extent of the

voids and debris within the sandstone. the east and west chimneys

were completely solid, but the east entrance and main entrance were

full of inconsistent rock and grout as well as voids, much like the west

entrance. the main entrance was a concern because it constituted the

the five-year restoration project for the Victoria Memorial Museum Building includes the installation of a seismic bracing system within the original sandstone walls.

capital cutting & coring used a portable 8x10 steel platform to ensure that the Beretta t43 was perfectly level while core drilling the delicate sandstone.

6 | JUne.088 | septeMBer.08


bulk of their work. it was also a high-profile job, as the work there would

make way for the project’s signature feature, the glass lantern tower.

to core 48 holes at a depth of 75 feet on schedule would require more

specialized equipment than capital had in inventory.

capital researched several options. A few drills fit the bill, but only

one could be delivered in any reasonable amount of time: the Beretta

model t43, manufactured in italy. capital also special-ordered 5.5 inch,

5-foot-long casings with a numa hammer for the Beretta. As soon as the

Beretta t43 was delivered, capital’s team began training on the drill.

once trained, the crew set up scaffolding and misting fans at the

main entrance. capital installed a portable, heavy-duty, 8 x 10 foot, steel

platform to ensure that the Beretta was perfectly perpendicular to the

drilling surface. capital chose to use safe, biodegradable lubricants for

the drill and hydraulic power pak. not only would they avoid harm-

ing the 100-year old sandstone if a hose burst, but the fluids would be

totally harmless to the environment as well.

capital’s team began drilling with the Beretta t43 and slowed the

drill down to limit debris spray. the crew core-drilled 48 holes, each

5.5 inches in diameter and 75 feet deep. All of their careful planning,

training and preparation paid off. capital completed the main entrance

without incident. capital decided to use the Beretta for the rest of the

job. After they had completed the holes at the main entrance, seismic

anchors were installed and grouted in 3-meter sections lifts.

inclement weather conditions often made working impossible. the capital crew had to endure sub-zero temperatures as well as snowfall in excess of 190 inches.


1 0 | septeMBer.08

Guy Vezina coordinated the project and conducted regular safety meetings using CSDA Toolbox Safety Tips.

concrete openings | 1 1concrete openings | 1 1www.csDA.org

concrete openings | 1 1concrete openings | concrete openings | concrete openings | concrete openings |

ComPAny Profile

Founded in 1986, Capital Cutting and Coring, Ltd. has pro-

vided services to the construction industry in the eastern

Ontario and surrounding areas for more than twenty years.

The company joined CSDA in 1989 and has over 100 years of

combined industry experience among its eighteen employ-

ees. The company operates ten trucks and offers services

in core drilling, concrete slab cutting, concrete wall cutting,

asphalt and curb cutting, concrete breaking, demolition and

removal, excavating, wire sawing, chain sawing, rock drilling,

steel drilling and consulting.

resourCes

Owner of Structure:

Public Works and Government Services Canada

Real Property Contracting for Canadian Museum of Nature

General Contractor:

PCL Constructors Canada, Inc.

Ottawa, Ontario, Canada

Sawing and Drilling Contractor:

Capital Cutting and Coring, Ltd.

Ottawa, Ontario, Canada

Phone: 613-737-5227

Fax: 613-737-3801

E-mail: [email protected]

Website: www.capcut.com

Methods Used: Core Drilling

Moving to the east entrance, they set up the scaffolding and

prepared to drill 6 holes, 4 inches in diameter and 35 feet deep. capital

worked expertly through the voids, grout and loose rock at this entrance.

the severe canadian winter, however, was more difficult to manage.

one hundred-ninety inches of snow fell during that winter, causing

intermittent delays. when the capital team was able to work, it was

in biting sub-zero temperatures. even so, the crew completed the east

entrance on schedule.

Finally, capital set up their scaffolding at the east chimneys. they

were still working in freezing temperatures and difficult-to-maneuver

spaces. the chimneys also had a 1-inch steel web at their base, but

capital was able to core drill the 4 holes without incident. Just like the

west chimneys, these holes were 4 inches in diameter and 22.5 feet

deep. After finishing their work on the east chimneys, capital’s job at

the VMMB was complete.

Due to the age and size of the building, the VMMB restoration

project posed very unique problems. sandstone made the use of water

impossible; voids encountered in the walls required the purchase of

and training on a new drill necessary; consideration had to be taken

for keeping dust down and keeping construction areas contained since

the museum was open for the duration; and severe weather conditions

including 190 inches of snow made working on the historic building

extremely challenging. capital made safety a priority, using safety

resources from csDA and pcL’s safety group at regular meetings, and

was able to overcome the obstacles that presented themselves through

careful planning, research and on-the-job flexibility. ■

A new, removed entrance was created for visitors to the museum while the main entrance underwent construction, including the 75-foot holes capital was drilling for the seismic brace.

Jobsite photos courtesy of Roy Crogan Photography, Ottawa, Ontario.

denver international Airport (diA) is the

largest airport in the united states by

land mass. situated on 34,000 acres

just 30 minutes northeast of denver proper, the

airport has over 6 million square feet of public

space and has recently surpassed los Angeles

international to become the country’s 4th busiest

airfield. to keep up with the rising demands of

being a top international hub, diA has begun its

first major concourse expansion project.

constructed to replace Denver’s landlocked stapleton airfield in

1995, DiA was designed for efficiency and growth. passengers are

screened in a central location and transported by rail system from DiA’s

Jeppesen terminal, named for aviation safety pioneer elrey Jeppesen, to

one of three concourses. the airfield is arranged in a pinwheel formation

around the terminal and concourses, creating an independent flow of

aircraft to and from each runway without overlap. taxiways are posi-

tioned to allow the expansion of each concourse as necessary.

DiA’s first concourse expansion is a 3-year, $160 million project that will

add 8 new gates to the eastern end of the concourse. part of the expansion

calls for the installation of 4 moving walkways to ease traffic flow through

the concourse. in order to install the walkways, construction crews would

have to cut 4 large sections of 7-to 8-inch-thick concrete with pan decking.

And, each 160-by15-foot section would have to be removed while the

concourse remained open to passenger traffic.

general contractor pcL constructors (pcL) called in veteran csDA

member company DeAndrea coring and sawing, inc. to get the job

done. pcL chose DeAndrea because of the company’s reputation for

clean, efficient concrete cutting in high-traffic areas.

DeAndrea carefully planned the job. they researched pedestrian

traffic in the area as well as the structure of the floor, sub-floor and

lower levels. Because the concourse had been designed with the inten-

tion of expansion, a sub-floor had been built where the future walkways

would be. these sub-floors were shorter than the intended walkways by

20 feet on each end, which allowed room for the concrete to be lowered

into the pit for removal. DeAndrea’s team would have to use a gantry

Cutting ConcreteBefore denver international Airport could add four moving walkways to Concourse C, deAndrea Coring and sawing had to clear close to a million pounds of concrete from the existing floors.

1 2 | septeMBer.08

crane to work on the floating floor sections, and harnesses would be

a necessary safety precaution. to limit issues with airport patrons, they

decided to work at night, when the number of passengers would be at

a minimum. pcL had already established a 10-foot tall barrier to keep

pedestrian traffic contained away from the construction site.

Before DeAndrea could begin work on the concourse, the team

members had to receive security clearance. each worker was finger-

printed and background-checked. paperwork, screenings and security

classes required by clearance took an average of two weeks per person

to complete.

Meanwhile, other construction delays meant DeAndrea’s work would

have to wait a full week before startup. when the team was allowed

access to the work site, several operators were still awaiting their security

clearance. DeAndrea did not want to risk losing more time, so the team

moved forward to start the job short handed. DeAndrea’s other crew

members would join the team as their clearance came through.

the DeAndrea team set up plastic protection around the section to

be cut in the concourse and the pit to guard the areas from slurry and

dust. they secured crew harnesses to either the steel structure or gantry

crane using rope and clips. once the materials, equipment and safety

measures were in place, they chose to use a 20-inch terra blade with a

30-hp, 460-volt Meco 30M electric slab saw to begin cutting. Because

this first section had no sub-floor, crew members used a 1-ton aluminum

gantry crane to chain hoist the concrete. the crane was anchored in with

a 2-point pick using 5/8-inch wedge anchors and eye nuts.

the team worked to cut a section measuring 28 feet by 15 feet out

of the floating floor area in 7-foot by 30-inch pieces, lowering them with

the gantry crane to the waiting forklift and exposing the 20-foot steel

i-beam support below. when they lowered the first piece of concrete,

an unexpectedly strong updraft blew debris and slurry up from the pit.

the crew began working to contain the updraft. Laying plastic over the

gaps proved ineffective. the updraft even blew through concrete blan-

kets. Finally, the team was able to contain the updraft by placing a roll

of heavy plastic on each side of the walkway, then carefully unrolling

the plastic while securing it with 2 x 4s as they moved forward.

for Concourse C

plastic, concrete blankets and 2 x 4s were progressively used to contain the updraft from blowing slurry mist into the concourse area.

concrete openings | 1 3www.csDA.org

1 4 | septeMBer.08

ComPAny Profile

DeAndrea Coring and Sawing, Inc was

established in 1971, as one of the first

companies of its kind in the Colorado region.

A CSDA member since 1973, DeAndrea

specializes in the sawing, drilling and

removal of concrete and asphalt as well

as concrete imaging services using ground

penetrating radar (GPR). The company

has 20 employees and operates 14 trucks.

DeAndrea offers services including slab

sawing, electric sawing, early-entry cutting,

core drilling, wall sawing, hand sawing, wire

sawing, floor grinding and removal.

resourCes

General Contractor:

PCL Constructors, Inc.

Denver, Colorado


DeAndrea Coring and Sawing, Inc.

Henderson, Colorado

Phone: 303-422-3885

Fax: 303-431-9661


Website: www.deandreacoring.com

Methods Used: Slab Sawing

THE WHITE TENSION FAbRIC ROOF WAS DESIGNED by LEO A. DALy TO LOOk LIkE THE SNOW-CAPPED ROCky MOUNTAINS.

Architecturally, DiA’s most visually

appealing feature is its white tension

fabric roof. the roof was designed

by architect Leo A. Daly to reflect the

snow-capped rocky Mountains to the

west. steel cables similar to those on the

Brooklyn Bridge support the roof. Also

highlighting the mountains is a pedestrian

bridge that extends from the terminal to

concourse A, where passengers can watch

planes taxi directly beneath them and

enjoy sweeping views of the rockies.

once they had exposed the i-beam support,

the crew unbolted it from the surrounding

steel structure and subfloor, crossed-wrapped

it with chain and used the gantry crane to

twist it at a 45 degree angle, lowering through

the pit area to the lower floor.

After completing the segments of floating

floor, the team was able to move on to the

sub-floor section, which consisted of 120 feet

at the center of the walkway. in the sub-floor

areas, the crew was able to work much faster.

standing on the sub-floor as they worked,

crew members were able to use 2-ton, high-

rise pallet jacks instead of the crane to move

concrete pieces to the edge of the sub-floor

where a forklift could pick them up.

once an entire walkway slab had been

removed, operators began work on the slab

and pan decking remnant attached to the

angle iron ledge that led around the walk-

way area. During original construction, the

pan deck was tack-welded to the angle iron

on either side at every corrugated section,

making its removal one of the more physi-

cally challenging aspects of the job. operators

used pry-bars to remove the concrete from the

angle iron in order to expose the corrugated

pan decking. After the deck was exposed,

operators manually pried it away from the

angle iron.

DeAndrea’s team repeated these steps in

each of the four walkways. in the end, the crew

completed the job 9 days ahead of schedule,

more than recovering the original 7-day delay.

DeAndrea lived up to the reputation that had

gotten them the job in the first place.

DiA takes its reputation seriously too.

that is why the airport is in the midst of this

4-year expansion of concourse c, to the tune

of $160 million. general contractor pcL chose

csDA member company DeAndrea coring and

sawing to remove 6,000 cubic feet of concrete

because of their proven industry knowledge

and experience. with careful planning and

preparation, DeAndrea was able to handle

the unexpected with ease. in spite of secu-

rity clearance hang-ups, construction delays

and a powerful updraft to contain, DeAndrea

completed the job early and under budget. ■

pallet jacks were used to move the concrete pieces to the edge of the sub-floor where the forklift picked them up.

DeAndrea’s team completed the job under budget and with 9 days to spare.

DiD You Know?

C

M

Y

CM

MY

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CMY

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ws_star_adv011_Final.pdf 4/3/08 11:24:52 AM


1 6 | septeMBer.08

concrete openings | 1 7concrete openings | 1 7www.csDA.org

t he pittsburgh Light rail, called “the t,” is pittsburgh, pennsylvania’s

25-mile light rail system that functions as a subway between

downtown and the suburbs. in 2006, the pittsburgh port Authority

initiated the north shore connector project to extend the city’s Light rail

transit system 1.2 miles. During the 5-year project, crews will tunnel under

the Allegheny river, building an extension to the north shore at a cost of

$438 million. with 3 new stations, the connector will provide transportation

to a projected 4.2 million riders a year. csDA member company Matcon

Diamond, inc. (Matcon) was contracted to cut through 738 linear feet of

36-inch thick concrete near a major highway, to establish a roofline and

drainage system for the new subway.

CSDA contractor cut 738 linear feet through 36-inch concrete walls to keep Pittsburgh’s North Shore Connector subway drained and dry.

Making the Connection

crew members used a succession of saw blades from 42 inches to 78 inches in diameter in order to achieve the 36-inch-deep cuts.

the wall saw was mounted in an upside-down, or inverted, position in order to make the cuts flush with the exterior roof of the subway.

1 8 | septeMBer.08

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Street Cut Line

Future Station

Cut Line

Existing ParkingGarage Pilings

Existing 16”Water Main

Although a huge investment in time and

money, city officials hope that the completed

north shore connector will help to revital-

ize downtown pittsburgh. the port Authority

chose north shore constructors (nsc), a joint

venture of obayashi corporation and trumbull

corporation, as the general contractor for the

project. extending the t to the north shore

will require extensive concrete sawing and

drilling, and nsc will rely on Matcon for expert

work on these precision jobs throughout the

duration of the project.

At the early stages of the project, Matcon

was called in to do some roadway sawing and

drilling as well as wire sawing. A year later, nsc

contacted Matcon again when they were faced

with creating access for a drainage system

above the subterranean connector. Matcon’s

reputation, familiarity with the project and

ability to coordinate the necessary labor and

tools to start the job in a short period of time

proved to be the right combination to win

another bid with nsc.

the job was to saw 36 inches into the exist-

ing concrete walls above the future subway.

Matcon’s cuts were to make way for the instal-

lation of the subway’s roofing membrane, an

important feature allowing rainwater to drain

away from the subway roof and into city reser-

voirs. the walls that Matcon was cutting into

were constructed by clearing land and pouring

concrete over the earth. Behind the 36-inch-

thick concrete walls lay dirt and rock, as well

as underground structures that needed to

remain intact.

installation of the membrane required

a smooth surface flush with the roof of the

subway. Accommodating the membrane, while

essential, was not Matcon’s only concern. there

were also existing water mains and parking

garage pilings for operators to consider

when making their cuts. Access to the walls

was limited to one side only, and the flush

horizontal cut would be made by successively

larger blades up to 78 inches in diameter.

According to David Matesic of Matcon,

these facts made “the decision to go with

the Diamond products remote Hydrostress

hydraulic wall saw a necessity.”

Matcon ran the Hydrostress hydraulic wall

saw from a trailer-mounted diesel cushion

cut 25/25 power pack. Because the saw was

operators made cuts along a 25-foot track to each of the walls above the future subway’s roofline.


2 0 | septeMBer.08

ComPAny Profile

Founded in 1984, Matcon Diamond, Inc. specializes

in concrete sawing, drilling, removal, placement,

select demolition and joint sealing. The company has

approximately 50 employees and 30 trucks. Matcon’s

Pittsburgh location consists of a main office, a warehouse

and a mechanic shop. Matcon has been a CSDA member

since 1987.

resourCes

General Contractor: North Shore Constructors

(Obayashi-Trumball joint venture)


Matcon Diamond, Inc.

Pittsburgh, Pennsylvania

Phone: 412-481-0280

Fax: 412-481-3442


Website: www.matcondiamond.com

Methods Used: Wall Sawing

remote-controlled, operators could remain a safe distance from the

blades and debris. Matcon used this saw to perform the inverted flush

cut to each of the walls above the future subway’s roofline.

temperatures were below freezing as the crew set up 25-foot track

along the base of the walls. Matcon operators established a safe distance

from the saw and began cutting with a 30-inch K2 Diamond blade. they

repeated the cut with 42-inch, 54-inch, and 66-inch K2 Diamond blades

in succession. the final cut in each section was made with a 78-inch

Diamond products blade.

the team worked along the length of both walls, setting up the

track and switching blades. A safety concern for which they had to be

aware was the possible fatigue or failure of the flush cut bolts when

using the 78-inch blade. Using such a large blade in an inverted posi-

tion created significant stress on the bolts. operators had to replace the

flush cut bolts in the final 20-foot stretch of cutting.

nsc chose Matcon for this portion of the north shore connector

project because of their previous work and proven ability to manage

a tight schedule. their job was to cut the length of two walls above

the future subway’s roof, to make way for proper drainage measures.

the Matcon team used a remote saw and a series of increasingly larger

blades to complete the 738 linear feet of inverted flush cutting into

36 inches of concrete. Despite a bitter pittsburgh winter, operators

completed the job on time and within budget. ■

operators had to look out for flush cut bolt fatigue due to wear caused by using large blades in an inverted position.

Because the saw was remote-controlled, operators were able to remain a safe distance from blades and debris.


The Penhall crew was assisted by their ICS representative in choosing a diamond chain spec to cut through heavy steel embedded in the concrete decking.

2 2 | septeMBer.08

concrete openings | 2 3

in 1950, tacoma, washington was connected to the Kitsap Peninsula by the tacoma narrows Bridge. for 57 years, this four-lane bridge carried commuters both east and west across the narrow waterway. today, the historic bridge is in the final stages of a retrofit to meet current safety requirements and carry travelers in one direction only.

the washington state Department of transportation (wsDot)

wanted to construct a sister bridge over the narrow waterway to separate

traffic and ease congestion on the roadway to and from the peninsula.

washington voters from several counties approved the construction in

1998. the new bridge was to be a landmark project with a center-span

length of 2,800 feet, making it the longest suspension bridge built in

the U.s. since the Verragano narrows Bridge in 1964. tacoma narrows

constructors (tnc), a joint venture between Bechtel corporation and

Kiewit pacific, was named general contractor and construction began in

safety is the key to a washington state bridge retrofit.

Beefing up the Bridge

the westbound bridge was built across the tacoma narrows in 1950, carrying commuters both east and west until the new bridge was completed 2007.

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galloping gertie

i nfamous for twisting and swelling with the wind, the first

tacoma narrows Bridge was called “galloping gertie” by locals and

survived for only 4 months.

the tacoma chamber of commerce began campaigning for a bridge

over the tacoma narrows in the mid 1920s, and the washington legislature

set up the washington state toll Bridge Authority to research the chamber’s

request. A preliminary design for the bridge

by clark eldridge was approved and the

bridge authority at a cost of $11 million

and funds were requested from the federal

public works Administration.

Funding was a problem. so when

bridge designer Leon Moisseiff petitioned

the pwA to build a bridge for $8 million,

Moisseff’s design won out. the eldridge

design called for 25-foot-deep girders to

support the bridge. the Moisseff’s bridge

had a slimmer design, including girders

of only 8 feet. At the time, the science of

bridge aerodynamics was in its infancy,

and shorting the girders’ depth probably

seemed a wise move to limit costs.

once built, however, the girders proved

too shallow to keep the roadbed sufficiently

rigid. the bridge was easily moved about by

the winds. even mild winds could cause the

center span to visibly rise and fall several

feet over short intervals. Locals felt as

though they were on a galloping

horse while trying to cross the overpass

and began referring to the bridge as

“galloping gertie.”

on november 7, 1940, a 42-mph wind

caused the bridge to rise and twist in what

is called a “torsional” movement around

the centerline of the road. the midpoint

remained still as the two halves of the

bridge twisted in opposite directions

around it, ultimately destroying galloping

gertie just 4 months after the bridge opened to traffic.

Leonard coatsworth was the only motorist caught on the violently

twisting bridge that day. He lost control of his car, climbed out, and ran

across the buckling concrete 500 yards to safety. tubby, coatsworth’s cocker

spaniel, was lost in the bridge collapse.

Top: infamous for twisting and swelling with the wind, the first tacoma narrows Bridge was called “galloping gertie” by locals.

Middle: Leonard coatsworth, the only motorist caught on the collapsing bridge, ran 500 yards to safety.

bottom: A 42-mph wind destroyed galloping gertie on november 7, 1940, just 4 months after the bridge had opened.

2003, on what would become an $849 million

project. Four years later, the new span opened

to eastbound traffic.

once the new bridge was complete, retro-

fitting the 1950s span to handle westbound

traffic and meet modern safety specifica-

tions became the wsDot’s top priority. tnc

resurfaced all four lanes of the bridge and

began the 10-month process of upgrading the

bridge’s railing.

the older low-profile guardrail had to be

removed and replaced. the new rail supports

would then be bolted and welded to the steel

beam below the concrete bridge deck. to gain

access to the steel beams, precise openings

had to be cut through the existing concrete

deck. the wsDot specified 9-inch x 12-inch

rectangular openings through the 6.5-inch

concrete deck with no overcuts. tnc contacted

csDA member company penhall company of

tukwila, washington (penhall) to do the job.

tnc had worked with penhall at earlier

stages of the tacoma narrows Bridge project.

penhall had developed a good reputation with

the general contractor, performing quality

work on schedule and in budget. Both of these

factors were important, as well as the fact

that the bridge would remain open to traf-

fic, limiting penhall’s equipment options. tnc

counted on penhall to execute the precision

cutting job in a limited space, while keeping

dust and debris to a minimum on the busy

thoroughfare.

penhall’s first step was to protect its crew

members from the traffic still utilizing the

bridge. they set up concrete road barriers that

penhall operators cut precise openings through the bridge’s existing concrete deck so that the new guardrails could be secured to the underlying steel beams.

DiD You Know?

2 6 | DeceMBer.072 6 | septeMBer.08

ComPAny Profile

Penhall Company, a CSDA member since

1999, launched operations in 1957 with

a single flat saw and a singular commit-

ment to providing the highest level of

services to its clients. Since then, Penhall

has expanded its reach, scope and exper-

tise, serving clients across the U.S. and

beyond. Today, Penhall encompasses 39

strategic locations and employs more

than 1,200 professionals, with current

and ongoing expansion into Canada. The

company specializes in precision con-

crete cutting, breaking, excavation and

grinding services.

resourCes

General Contractor:

Tacoma Narrows Constructors

(bechtel-kiewit joint venture)


Penhall Company

Tukwila, Washington

Phone: 206-763-9200

Fax: 206-763-9206


Website: www.penhall.com

Methods Used: Hand Sawing

were held with steel clips and bolted to the

bridge deck. next they removed the old, low-

profile guardrail and prepared to set up slurry

containment. slurry containment was put into

place on the top side to keep slurry from leak-

ing through the steel grating contained in

the bridge deck. containing slurry below the

deck, however, was challenging. Access was

limited to the bottom side of the bridge deck.

A specially-trained operator scaled the struc-

tural steel below the deck using 100% fall

protection that connected to the steal beams

in order to install the slurry containment.

penhall operators worked with three

chainsaws: the ics 880F4, 12 gpm, hydraulic

concrete chain saw running the Force4

proper disposal. penhall placed wooden covers

over the openings to secure them until the new

guardrails were installed and concrete poured

back into place. this process was repeated at

each section to be cut across the mile-long

expanse, creating 1,326 openings.

the tacoma narrows has a new bridge

for eastbound traffic, and the old bridge is

being upgraded to meet current safety speci-

fications, including the addition of modern

reinforced guardrails. general contractor tnc

chose penhall to execute the precision cutting

and removal of 37 tons of concrete from the

58-year-old bridge to install the railing. with

a team of four, penhall cut openings along a

mile of concrete decking, making way for 1,326

guardrail posts. Because of their planning, care-

ful safety measures and communicating with

ics support, they were able to finish the job

under budget and ahead of schedule. ■

diamond chain; the ics 633gc, 101cc, gas

saw; and the 680gc, 80cc, gas saw. the team

began cutting the 9-inch x 12-inch rectangular

openings through the 6-inch concrete deck.

Heavy steel was encountered in the concrete

bridge deck as well as plate steel encased in

the concrete in some areas. penhall turned to

their ics representative to assist with choosing

a diamond chain spec to perform the cutting.

A sandwich segment chain proved to perform

very well in these conditions.

the crew used vacuums to collect all the

slurry above and below the concrete deck. the

cut-out concrete that had been held in place by

the structural steel below was removed. Both

the slurry and concrete were hauled off-site for

crew members cut 1,326 openings along the mile-long span of bridge.


for the first time in its history, the

Concrete Sawing and Drilling

Association will hold its annual

convention in Mexico—Cancun to

be exact—on March 3–8, 2009. An exciting

program with a keynote presentation, technical

and business sessions and roundtables have

all been planned with recreational and social

activities interspersed to round out a very

comprehensive agenda. Afternoons have been

left free so that attendees can have plenty of

time to enjoy the beautiful beach located just

outside both convention hotels as well as all that

Cancun, Mexico and Mayan coast has to offer.

The CSDA Annual Convention always

draws members from around the world

but in 2009, speakers and presenters will

represent many different countries as well.

Technical presentations at this convention

in Mexico will be made by members from

Liechtenstein, Australia, Canada and

the United States to allow attendees the

chance to see just how global the industry is

becoming, and perhaps, how well-traveled

convention participants are as well.

Passports in Order? CSDA 2009 Convention Heads South of the Border

A PASSPORT TO POWERFUL PROGRAMSA keynote speaker, presentations and roundtable

discussions should provide attendees

with everything they will need

to survive and thrive in today’s

sawing and drilling industry. From

managing large international

projects to leadership, technology

and how to succeed with teamwork,

the programs will offer powerful

information to help owners and

employees take their companies

to the next level and beyond.

A PASSPORT TO PROFESSIONALSAt the 2009 CSDA Convention, participants

will interact with other professionals from all

around the globe. Contractors, manufacturers,

distributors and specifiers. This will be the

opportunity for everyone to make connections,

make an impact and make friends. Networking is

perhaps the main reason many join the Concrete

Sawing and Drilling Association and the annual

convention provides a wealth of opportunities for

networking that simply aren’t available otherwise.

2 8 | septeMBer.08

A PASSPORT TO PARADISEThe beautiful coast of Cancun,

the Mayan coast, has so much

to offer. Optional recreational

activities abound and the

CSDA program

includes a trip to

the ancient Mayan

ruins of Talum; a zip

line ride through jungle

treetops at Selvatica and

a swim in a crystal clear

cenote (pool); the annual

CSDA golf tournament;

deep sea fishing, snorkeling

and shopping; and even a cooking class

for those who want to learn how to make

ceviche and authentic Mexican margaritas.

Not to mention other activities that can be

arranged including scuba diving, swimming

with dolphins or parasailing. Most activities

can be arranged right from the beach. What

better place to unwind than beach side in

beautiful Cancun.

activities abound and the

the ancient Mayan

ruins of Talum; a zip

line ride through jungle

treetops at Selvatica and

a swim in a crystal clear

cenote (pool); the annual

CSDA golf tournament;

CSDa ConVenTion aT a gLanCe:

tuesdAy, mArCh 3, 2009

8:00 AM–10:00 AM coMMittee Meetings–eLection, sAFety

10:00 AM–12:00 pM coMMittee Meetings–MeMBersHip, stAnDArDs AnD speciFicAtions

1:00 pM–3:00 pM coMMittee Meetings–MArKeting, trAining

3:00 pM–5:00 pM coMMittee Meetings–certiFicAtion, MAnUFActUrer

wednesdAy, mArCh 4, 2009

8:00 AM–11:00 AM csDA BoArD oF Directors Meeting

10:00 AM–3:00 pM optionAL ActiVity–cooKing cLAss AnD sHopping

12:00 pM–6:00 pM csDA goLF toUrnAMent

thursdAy, mArCh 5, 2009

8:00 AM–8:30 AM weLcoMe AnD opening

8:30 AM–9:30 AM Keynote presentAtion–LeADersHip in A cHAnging worLD

9:45 AM–10:45 AM presentAtion–Dry DiAMonD cUtting oF reinForceD concrete strUctUres

10:45 AM–11:45 AM presentAtion–How to sUcceeD witH teAMworK

12:00 pM–5:00 pM optionAL ActiVity–snorKeL FroM A cAtAMArAn

6:00 pM–8:30 pM presiDent’s reception

fridAy, mArCh 6, 2009

8:00 AM–10:00 AM roUnDtABLe–risK MAnAgeMent

10:00 AM–12:00 pM roUnDtABLe–DiFFerent MetHoDs oF BiLLing cUtting serVices

12:30 pM–5:30 pM optionAL ActiVity–Deep seA FisHing

sAturdAy, mArCh 7, 2009

8:00 AM–9:00 AM presentAtion–wire sAwing ii

9:00 AM–10:00 AM presentAtion–MAnAging LArge AnD cHALLenging internAtionAL JoBs

10:00 AM–11:00 AM presentAtion–proper cAre AnD MAintenAnce oF HicycLe eQUipMent

11:00 AM–12:00 pM csDA AnnUAL Meeting

12:15 pM–5:45 pM optionAL ActiVity–Zip Line/seLVAticA AnD swiM

12:15 pM–5:45 pM optionAL ActiVity–tALUM rUins

7:00 pM–8:00 pM cocKtAiL reception

8:00 pM–10:00 pM gALA Dinner AnD entertAinMent

sundAy, mArCh 8, 2009

DepArtUres

12:00

t

8:00 A

8:30 A

9:45 A

10:45 A

12:00

6:00

f

8:00 A

10:00 A

12:30

sA

8:00 A

9:00 A

10:00 A

11:00 A

12:15

12:15

7:00

8:00

s

Dep


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Introducing the NEW K3000Electric Cut-n-Break

• Ideal for cutting window and door openings, crack chasing, joint repair and much more. • A unique sliding guard can be positioned for flush cutting.• Low water usage system and 12V, 15Amp electric motor offers maximum versatility for indoor or outdoor use.

The Cut-n-Break method allows you to cut in stages through walls up to 16” thick.

1. A cut up to 2-1/2” deep is made with fast cutting, twin 9” blades.2. The remaining central core is easily broken out with the companion breaking tool.3. Successive cuts can be made to reach up to 16” deep.



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Husqvarna Construction Products is the world leader in equipment and diamond tools for the construction industry. We provide professional users all over the world with the most efficient and reliable equipment on the market. Providing the best product ensures that our professional users will be proud of a job well done.

Introducing the NEW K3000Electric Cut-n-Break

• Ideal for cutting window and door openings, crack chasing, joint repair and much more. • A unique sliding guard can be positioned for flush cutting.• Low water usage system and 12V, 15Amp electric motor offers maximum versatility for indoor or outdoor use.

The Cut-n-Break method allows you to cut in stages through walls up to 16” thick.

1. A cut up to 2-1/2” deep is made with fast cutting, twin 9” blades.2. The remaining central core is easily broken out with the companion breaking tool.3. Successive cuts can be made to reach up to 16” deep.

the two-day assembly provided international Association of concrete

Drillers and sawers attendees with a broad range of cultural and artful

entertainment as well as a conference packed with important industry

information. the agenda covered issues ranging from internal finan-

cial matters to marketing analysis of the industry and creating better

training programs.

AeDt is the newest country sawing and drilling association formed

last year with assistance from iAcDs member associations. Assisting

countries in forming their own associations has become a common

endeavor for iAcDs. Assistance has been also provided to italy, poland,

russia and slovakia and many of those members have attended iAcDs

meetings or hosted them.

in addition to helping other countries form their own associations,

what else has iAcDs been able to accomplish since its founding in 1995?

even though the iAcDs members only convene once a year, they can

be quite proud of what their organization has accomplished. two very

important documents that were created, at the beginning with much

The International Association of Concrete Drillers and Sawers Turns 13 in Spain September 2008The International Association of Concrete Drillers and Sawers (IACDS) celebrated its

thirteenth anniversary in grand style in Valencia, Spain in early May. The recently formed

Spanish Association of Technical Demolition Drilling and Sawing (AEDT) hosted the

delegates from around the world. In attendance were over 40 delegates from Austria,

Australia, belgium, Germany, Hong kong, Japan, Liechtenstein, Luxembourg, Russia,

Spain, Sweden, Switzerland, United kingdom and the United States.

Photo: Left to right.

Front row: Martin Braun, patrick o’Brien, Jose Blanco, Martin gödickemeier, Andrei Bushmarin, Daniel trachsel

back row: Alfred Landl, gunnar Landborg, yann Maincion, Andrey Kosolapov, peter white, Jan Lemos, peter worsley, william Lee, werner Havlena, norikazu shibuya, Dietmar wirthgen, greg Berry, Mario Bierfreund, Alain Dupont, ernst siegenthaler, Hans georg wagener, Donat Fritsch

3 2 | septeMBer.08

difficulty, have been revised and enhanced over the years and now are

accepted quite well. they are the new “Basic parameters for concrete

Drilling and sawing equipment” and the revised “tolerances and Limits

for construction Drilling and sawing.” the manufacturers of concrete

drilling and sawing machines, in order to unify the parameters and

allow better comparisons of hydraulic machines, drafted the param-

eters document. the tolerances document forms the preconditions for

accuracy and/or limitations to differentiate the advanced capabilities

of the professional cutting contractor.

the project to collect worldwide market data for sawing and drilling

contractors continues even though there is some resistance by members

to share the data or there is a lack of data to be collected. iAcDs has

been able to identify that the total number of contractors worldwide

exceeds 10,000. great strides were made at the May meeting to expand

the number of countries reporting information, and it was hoped that

this effort would gain wider acceptance for its merits and benefits to

the industry in the future.

Delegates also discussed the industry’s need to educate architects,

engineers and government officials about the advantages of concrete

sawing and drilling and its many practical applications. iAcDs is launch-

ing two new projects focused on reaching these specifiers. one will uti-

lize the association website to create links of sawing and drilling job

stories, categorized by job type that will be readily accessed over the

internet. the second is the development of a textbook geared toward

specifiers at the university level. this textbook will delineate the ben-

efits and capabilities of the sawing and drilling industry.

iAcDs also received several presentations on insurance and the

emerging polishing and finishing market. o’Brien presented a summary

of the csDA insurance program in the U.s., and Jan Lemos informed the

delegates about the successful insurance program they have in sweden.

two presentations were made by Antonio Zerolo of Anzeve (Htc dis-

tributor) and Alain Dupont of Husqvarna of the rapidly emerging floor

preparation market. the current market for tools is estimated at euro

200,000 (Us$320,000) worldwide with an annual growth rate of 35%.

plans were made for conducting the 2009 Diamond Award compe-

tition. iAcDs has assumed the administration of the Diamond Award

for concrete sawing and drilling. the german Association, for the past

decade, has organized this event. it has been successfully held in con-

junction with german trade shows, most recently Bauma. iAcDs has

assumed the administration of this award competition which will be

rotated around the world. the 2009 Diamond Award winners will be

announced at a press conference on wednesday, February 4, 2009 at

10:00 AM during the world of concrete. the world of concrete show

managers will actively promote this event on their website and in pro-

motional literature. in addition, they have offered complimentary hotel

rooms for the first, second and third place winners to attend the event

and the show. iAcDs will offer air transportation for the winners.

the first thirteen years of iAcDs have been very productive as well

thanks to the dedication of sawing and drilling professionals from

around the world who have come together to provide a better future for

the sawing and drilling industry. iAcDs will celebrate its 14th anniversary

in early June 2009 in st. petersburg, russia or Dublin, ireland.

iACds diamond Award Competition opens

the international Association of concrete Drillers and saw-

ers (iAcDs) opened the competition for the 2009 Diamond

Award. “the Diamond Award has continued to grow in in-

fluence since it was first introduced in 2000” said iAcDs

president patrick o’Brien. “it has become an internationally-

recognized competition for sawing and drilling excellence in-

volving planning, complexity, innovation, degree of difficulty

and quality.”

entries for the Diamond Award must be submitted

online no later than october 31, 2008 at www.iacds.org/

diamondaward. A panel of international experts from the

industry will judge entries based on criteria that include project

description; machines and tools; complexity of planning and

execution; innovative approaches that solved challenges;

quality specifications and photos.

the top three winners will receive complimentary airfare

and a three-night hotel stay in Las Vegas for two, courtesy of

the Diamond Award sponsors. the sponsors are the world of

concrete, UsA; cedima gmbH, germany; Diamond products,

UsA; Hilti Ag, Liechtenstein; Husqvarna construction products,

sweden; Hydro-tec gmbH, germany; nestag Ag, switzerland;

st. gobain Abrasives, Belgium; and tyrolit, Austria.

iAcDs is comprised of eight country associations, including

csDA. o’Brien is also executive director of csDA and will

announce the top three winners at an award ceremony press

conference at 10:00 AM on wednesday, February 4, 2009,

during the world of concrete.

First, second and third place diamond awards from 2007.


3 4 | septeMBer.08

By Mark A. Lies, II

Guns at the Workplace–Liability Challenges

t he presence of weapons, specifically, guns at the workplace

creates the potential for personal injury or death to employees

and third parties (e.g., customers, tenants) at the location and

off-site, if the employee works offsite. An employer, therefore, must

become aware of the potential liability challenges. if the weapons are

used, there is potential liability for a wide range of claims:

• Worker’scompensationclaimsiftheinjuredpartyisan

employee;

• Civiltort,personalinjuryorwrongfuldeathliabilityclaimby

the injured party who is an employee (or his/her estate) if the

injured employee is able to avoid the exclusive remedy provi-

sions of worker’s compensation on the grounds that the injury

was due to intentional conduct;

• Employmentdiscriminationclaimiftheinjuredemployeecan

establish that the shooting was due to an intentional act based

upon the employee’s race, sex, religion or other protected

status;

• Civiltort,personalinjuryorwrongfuldeathclaimbyan

injured third party (e.g., customer, tenant) who is shot by the

employee.

this article will address potential employer liability issues and

suggest means to minimize such concerns.

RECENT HIGH COURT RULING ON SECOND AMENDMENT the U.s. supreme court’s recent ruling in District of Columbia v.

Heller does not in any way restrict what measures an employer may

impose to keep weapons out of the workplace. Briefly, the Heller

case simply holds that individuals have a right to possess an opera-

tional (assembled, unlocked) firearm in their home. in so holding, the

supreme court struck down as unconstitutional a District of columbia

law that prohibited residents from keeping a loaded licensed hand-

gun in their homes. the court’s majority made it clear that the rul-

ing did not affect “longstanding prohibitions on the possession of

firearms by felons and the mental ill, or laws forbidding the carrying

of firearms in sensitive places . . . or laws imposing conditions and

qualifications on the commercial sale of arms.” the court’s majority

also stated that the ruling would not call into question the legality

of state law prohibitions on carrying concealed weapons.

the Business of BuSineSS

STATE CONCEALED WEAPONS LAWS Many states allow law-abiding citizens who are mentally competent

and 21 or older, to carry concealed handguns, and employees who previ-

ously had not thought to bring a gun to work may now feel empowered

to do so. employers still retain the right to regulate the workplace and,

consequently, to prohibit employees from bringing guns there. presumably,

few employers would agree to allow concealed weapons at the workplace,

as no employer would sanction the use of the gun at the workplace. in

order to exercise this prohibition, employers should develop written poli-

cies (or modify existing policies based upon state law restrictions) which

address this prohibition.

PARkING LOTS AND VEHICLES Frequently, issues arise as to whether employees can carry guns in the

employee’s vehicle if it is parked at the employer’s premises. A small but

growing number of states have passed laws which prohibit employers from

barring their employees from transporting a gun in their vehicle, even if

the vehicle is parked on the employer’s property. currently, there are eight

states who have laws on their books protecting the rights of employees

who wish to store a firearm in their locked vehicle: Alaska, Florida, georgia,

Kansas, Kentucky, Minnesota, Mississippi and oklahoma. the national rifle

Association has been the driving force behind the passage of these laws,

sometimes referred to as the “parking lot laws.” other states that have

considered such legislation have included: Arizona, tennessee, Alabama,

california, indiana, Louisiana, Missouri, Montana, new Hampshire, south

carolina, texas and Utah.

these laws, however, have been subject to legal chal-

lenges by employers in a couple of states. in 2007,

oklahoma’s law was held unenforceable by a fed-

eral district court on the grounds that the state

law was preempted by the federal occupational

safety and Health Act (osHA). that case,

ConocoPhillips Co. v. Henry, is now on appeal

before the tenth circuit court of Appeals.

in April of this year, two employer orga-

nizations filed suit in federal court

to enjoin enforcement of Florida’s

law, which had been sched-


uled to go into effect July 1, 2008. in support of their claim that

Florida’s new law should be struck down, the plaintiffs have

advanced three arguments: 1) the law interferes with the private

property rights of employers; 2) the law imposes a “permanent

easement” for use by third parties without providing compen-

sation to the affected employer; and 3) the law conflicts with

osHA’s general duty clause. to date, the federal court has yet to

rule on the parties’ complaint.

in those states where employees are authorized to carry a con-

cealed weapon in his/her vehicle when parked on the employer’s

property, employers may be barred from even questioning the

employee about whether there is a firearm stored in his or her

vehicle. even with such laws, an employer can still prohibit employ-

ees from bringing a firearm into the workplace. in those states

which do not have “parking lot laws,” employers should have a

policy in effect that prohibits guns both in the workplace and in

the employee’s vehicle. this prohibition should include a notice to

employees that all vehicles are subject to search when parked on

the employer’s premises.

WORk OFF OF EMPLOyER’S PREMISES Frequently, employees may be required to work off-site, and

they will use their own vehicles or employer supplied vehicles, for

transportation. Because an employer is typically legally liable for an

employee’s acts while working outside of the employer’s workplace

if the employee is “acting within the scope of employment,” the

employer must also address the possibility of employees carrying

concealed guns while visiting customers or in transit. Again, the

law appears to support the employer’s right to restrict employees

from carrying or possessing a gun while they are performing their

work duties on behalf of the employer.

EMPLOyER RIGHT TO SEARCH A linchpin of any policy must be the right to determine whether

weapons have in fact been brought on site. the only effective

means to make this determination is for the employer to establish a

policy enabling it to search employee lockers, desks, vehicles, hand-

bags, purses and other locations where the guns may be found.

there may be restrictions upon such a policy (or creating the policy

itself) which need to be addressed, including:

• State“parkinglotlaws”generallycontainlanguage

expressly prohibiting an employer from searching an

employee’s vehicle, even if it is parked on the employer’s

property;

• Employeehandbooksorexistingpolicieswhichmayhave

given the employees an expectation of privacy

• Adutytobargainwithaunionifthepolicyrepresentsa

change in the terms and conditions of employment;

• Constitutionalprotectionsforpublicsectoremployees

requiring an employer to establish “probable cause”

(i.e., some objective basis) for a need to conduct the search.

in all cases, the searches should be conducted in a reasonable

manner (e.g., without accusatory or other behavior which will

humiliate or embarrass the employee; without destruction of employee

property, if possible; without disclosure of other employee property which

is properly confidential) by individuals who are trained to document and

preserve evidence. searches which are done in an unreasonable manner

can create potential liability to the employer for defamation or intentional

infliction of intentional distress.

WRITTEN POLICy As indicated, there must be a written policy, communicated to all

employees, which should (subject to state law requirements of specific

provisions):

• Asserttheemployer’slegitimatebusinessreasonforprohibitingguns

(i.e., to maintain a safe and healthful workplace and to eliminate the

potential for workplace violence);

• Definewhatismeantby“weapons”or“guns”;

• Identifytheemployer’spremisesandotherlocations(includingpark-

ing lots and off-site work locations) where guns are prohibited;

• Requireemployeestoreportanyevidencewhichindicatesthat

weapons or guns have been brought on to the premises (while stat-

ing that such reports will be kept as confidential as possible and that

no employee will suffer retaliation for making such a report);

• Clearlystatetheemployer’srightandintenttoconductrandom

searches of the workplace and vehicles to determine whether guns

have been brought to the workplace (within the restrictions of exist-

ing state laws, handbooks, policies or labor agreements which can-

not be eliminated);

• Includeconductingemployeetrainingonthepolicyandproviding

copy of the policy to each employee;

• Requireemployeestosignawrittenacknowledgementof

the policy;

• Allowforrandomorothersearchesandenforcementofthepolicy

with consistent discipline, based upon a fact-specific inquiry into

each offense.

CONCLUSIONBecause of recent tragic workplace shootings, employers are being

called to account for weapons brought on site. At the same time, many state

legislatures are endorsing the rights of citizens to carry concealed weapons.

employers must commit themselves to protecting employees and others

at the workplace from this hazard, while recognizing potential employee

state law rights. if an employer carefully documents its efforts, and an

unfortunate accident occurs, these actions should reduce or eliminate its

potential liabilities.

Mark A. Lies, II is a labor and employment law attorney and partner with Seyfarth Shaw LLP in Chicago, Illinois. He specializes in occupational safety and health law and related employment law and personal injury litigation. He can be reached at 312-460-5877 or at [email protected].

teCh TaLK

Tech Talk is a regular feature of Concrete Openings magazine, focusing on equipment, maintenance and operational issues of interest to concrete cutting contractors. Readers wishing to have a particular subject addressed can call or email CSDA with their suggestions at 727-577-5004 or [email protected].

By Mike Orzechowski

The World of Surface Preparation

Advancements in the machines, acces-

sories and techniques involved with

surface prep have recently sparked

a strong interest amongst many sawing and

drilling contractors to explore expansion into

the surface prep markets, to complement tra-

ditional sawing and drilling services. often,

concrete slabs can be rejuvenated or repaired

at a fraction of the cost of demolition and

replacement. the concrete slab surface can

be changed to look different, allow for ar-

tistic expression and uniqueness, to provide

more light, to be easier and less expensive to

maintain and to provide better bonding sites

for new performance coatings.

the concrete slab surface can be modi-

fied or repaired, rather than replaced due to

the slabs containing some of the damages

or defects that are typically associated with

concrete slabs, including blistering, cracking,

crazing, curling, delaminating, discoloration,

dusting, high/low spots, pop-outs, scaling, spal-

ling, micro fractures, heaving and/or shifting,

surface traction and high vapor transmission.

it is important to understand more about sur-

face prep, as it is quickly becoming an integral

part of our industry.

surface prep is an industry-accepted term

for equipment used in the mechanical prepara-

tion of concrete slab surfaces. the key to this

definition is that a mechanical preparation of

the slab surface and does not include chemical

acids, phosphates, degreasers, poultice and/

or pressure washing. Many folks lump it all

together, but the reality is that the use of our

restricted definition helps to carve out of the

larger picture the machines and accessories

that better parallel the current sawing and

drilling equipment used in our industry.

surface prep can be

classified in three cat-

egories: stock removal,

coating removal and

coating preparation.

stock removal is

simply removing mate-

rial to lower the slab

height, removing loose

delaminating concrete,

smoothing trip hazards

(discontinuities), remov-

ing portions of the slab

that are defective (dam-

aged or out of spec), or

removing material to

provide drainage, an

artistic look or increased

traction.

coating removal is

removing an existing

coating from the slab.

the coatings can be topical like paint, epoxy,

urethane, elastomeric/waterproof membranes,

and waxes; or synergistic coatings like chemi-

cal/petroleum/organic stains, acid stains, dyes,

curing agents, admixtures, sealers, and densi-

fiers. other caps or coverings include polymer-

modified cements, overlays, tile, carpet, etc.

coating preparation is creating an ideal

surface profile for a particular coating to

increase the bond strength and integrity. the

bond of the new coating to the existing slab

surface can be maximized by providing the

best ‘bite’ for the coating to adhere to the

slab. the profile of the slab surface is typically

categorized by the concrete surface profile

(csp) numbering system that was developed by

the international concrete repair institute.

the csp system uses a csp range of 1

through 9 to define the surface profile.

grinding is usually in the csp 1-2 range, plan-

ing is usually in the csp 3-9 range depending

on the cutters and spacing between the cut-

ters, and scabbling is usually in the csp 7-8

range. the coatings might call for a specific

csp number; whereas sealers having an appli-

cation thickness of up to 3 mils might call for

a csp in the 1-2 range. thin mil coatings (4-10

mils) might call for a csp in the 3-4 range; high

build coatings (10-40 mils) might call for a csp

in the 2-5 range; self leveling coatings (circa 50

mils) might call for csp in the 3-6 range; and

polymer overlays (0.125 to 0.250 inches thick)

might call for a csp in the 4-9 range.

A typical job may include multiple catego-

ries such as removing a coating and providing

3 6 | septeMBer.08

a profile for a new coating. it is important to

understand each phase of the job to choose

the best machines, accessories and techniques

to accomplish the goals of that phase. the

phase of the job for removing a coating might

involve entirely different equipment than the

phase for profiling the surface.

the machine, accessory and the technique

are sometimes lumped together. For example,

someone might view a concrete grinder as

simply a concrete grinder and not fully appre-

ciate the multitude of different grinders on

the market, including planetary and rotary

grinders. there are major differences in power

and weight, various tooling speeds defined by

the disc diameter and rpMs, different grind-

ing head pressures, a multitude of different

accessories including abrasive stones, scarifer

wheels, carbide scrapers, polycrystalline dia-

mond (pcD) and diamonds in a multitude of

grits and bond types. to truly appreciate the

advances to the state of the art in the sur-

face prep industry, one must be able to under-

stand that the machines on the market today

typically have a cadre of different accessories

designed for specific purposes. the techniques

used also play a vital role in the overall produc-

tion rates of a given job.

surface prep equipment can be grouped

into five different classifications based on

the methodology of the cutting action of the

machine: grinders and/or polishers (horizontal

rotary abrasive, shredding or slicing action);

planers (aka scarifiers, milling or flailing

action); shot blasters, needle scalers and scab-

blers (hammering and/or impact action); chisel

scalers and strippers (scrapping action); and

saws, crack chasers and decorative saws (verti-

cal slot grinding aka cutting action).

grinders and polishers are very similar.

they work in a horizontal plane to level, pro-

file, clean and/or polish a surface. polishing

and grinding is abrading the surface using

friction, typically with accessories that are

abrasive.

there are two distinct categories of grind-

ers/polishers based on the motion of the discs

and accessories, which are planetary and

rotary. the planetary machines have smaller

planets of accessories that independently

rotate (passively or actively) around a larger

‘solar system.’ the rotary machines the disc

speed is typically constant and in a circular

motion. each disc maintains some resil-

iency to follow the slab contours that

will keep the working width to the

width of each disc. some overlap,

some are designed to move

in a sweeping motion.

the advantages and

disadvantages of the

planetary machines

are that it creates a

random scratch pat-

tern, has varied dia-

mond speeds as it rotates and a larger working

width of the machine which is across the ‘solar

system’ and not the individual planets.

the grinding action of a grinder and

polisher is a horizontal motion and in many

ways is similar to the grinding action of a

concrete saw that is vertical. grinders and

polishers are in many ways very similar to

concrete saws. the bond hardness, the diamond

concentration and the size of the diamonds all

play a critical role in the life and production

rate of the grinding action. concrete saws are

really grinders that are grinding a vertical slot

in the slab surface. the knowledge we have

gained working with diamond blades can help

us better understand the diamond accessories

on grinders.

polishing is done either wet or dry and

involves a progression of increasingly larger

diamond grit sizes in the accessories. the acces-

sories are typically classified as ‘metals’ (vac-

uum brazed diamonds, metal bonds, sintered

bonds, etc.), and ‘resins’ (semi-metal hybrids,

phynolic resins and polymer bonds, etc.).

typically the polishing process includes the

application of a densifier to harden the slab

CsdA issues Polishing ConCrete sPeCifiCAtion

The Concrete Sawing & Drilling Association (CSDA) has been the leading associa-

tion for issuing standards, specifications and best practices for the sawing and drilling

industry since its founding in 1972. CSDA provides vital materials for architects and

engineers to work on a professional basis with sawing and drilling contractors. As

part of its effort to achieve these goals, CSDA has developed a Specification entitled

Polishing Concrete.

Establishing proper industry standards ensures that each professional following the

CSDA Specifications is providing the highest levels of safety and workmanship. CSDA

Specification CSDA-PC-113, Polishing Concrete, covers the proper codes and standards

to be applied on polishing projects, as well as the needed prerequisites for the work,

polishing setup procedures and equipment operation.

“It pays for architects, engineers and cutting contractors to be working with the

same up-to-date industry standards in today’s competitive construction market. More

than ever before, a contractor’s success depends on access to the most current meth-

ods and technology to get a job done and to do it right.”–Patrick O’brien, Executive

Director, Concrete Sawing & Drilling Association.

For more information on the Polishing Concrete Specification, contact the CSDA office

at 727-577-5004 or visit the CSDA Website, www.csda.org, and click on the Standards,

Specs and best Practices link on the right-hand side of the CSDA home page.


skin, prevents dusting, and increases the shine.

polished concrete floors are easy to maintain,

have long life, have increased reflectivity of

available light, and allow the slab to breath if

vapor transmission is high. typical progression

formula is: 100g, 200g, 400g, 800g, 1200g

and 3000g. some technicians double up and

some step back a grit on the transition from

metal to resin.

planers are also known as scarifiers, mill-

ing machines, rotary cutters/grinders and sur-

face prep machines. planers spin a cylindrical

drum tangent to the slab surface removing the

top surface at a controlled depth with either

rigid abrasive cutters milling the top surface,

or, with smaller carbide or steel cutters on

independent shafts on the drum perimeter by

a flailing action of the smaller cutters as the

drum rotates. they can be classified as either

an upcut or downcut machine depending on

the drum rotation with respect to the motion

of the machine. some of the planers use dia-

mond blades and can remove large depths of

material in a single pass.

shot blasting uses a machine that propels

thousands of particles per second at the slab

surface, then the particles are circulated back

into the machine whereby the dust, debris

and worn particles are vacuumed away and

the process is repeated.

needle scalers and scabblers use com-

pressed air to propel a piston perpendicular

to the slab surface to drive hardened steel rods

or carbide tipped bits (respectively) into the

slab surface with a hammering action.

A chisel scaler uses compressed air to pro-

pel a piston to drive metallic blades with a

hammering action. strippers are typically

electric powered with a slicing or chipping

action, but both are used to remove things

like tiles, carpet and Vtc. A sharp blade can

sometimes scrape the slab surface clean of

glues and adhesives. Larger self-propelled die-

sel, gasoline, propane, electric and battery

powered strippers are available that scrape

the floor clean of tiles, carpet and Vtc with

weight and power.

concrete saws are also part of the surface

prep machines for stock removal. the depth of

cut can be fixed to allow for a series of cuts in

a slab close enough together to chip down to

a specific level (at the root of the cuts) to allow

for a slab to be lowered or recapped.

crack chasers and decorative (deco) saws

are highly maneuverable slab saws used to fol-

low random cracks for repair or create artistic

cuts in a slab surface for aesthetics. typically

these saws use thicker blades in bevel or stan-

dard configuration.

typically the machines used in surface prep

can be used in a wide range of jobs. the trick is

to understand that some machines, accessories

and techniques will be much more productive

in specific niche applications. the contractor

can perform a cost analysis on the job based on

the cost of the machine, accessories and labor

and determine a cost effective approach using

what some would consider practical solutions

of using multiple machine types and/or multiple

accessories to complete the job. to fully under-

stand the best solution, one should consider

mixing (pairing) methodologies of either the

accessories or machines.

Example 1: removing stock with scarifier then

grinding the slab smooth with a grinder.

Example 2: Using pcDs to remove a resilient

coating then using diamond grinding accesso-

ries to create the desired csp and clean the slab

surface of coating residuals to provide a clean

open bonding surface for the new coating.

Example 3: Using a grinder to feather out the

zebra stripping after shot blasting.

the advancements in the machines, acces-

sories and techniques in surface prep are pro-

viding the csDA contractors with new market

opportunities. the world of surface prep can be

broken down simply into three categories (stock

removal, coating removal and coating prep)

with five different classifications of machines

based on the methodology of the cutting action

(grinders and/or polishers; planers; shot blasters,

needle scalers and scabblers; chisel scalers and

strippers; and saws). recently the csDA stan-

dards and specifications committee released a

specification on polishing concrete. the csDA

involvement in the creation of this specifica-

tion demonstrates a commitment to developing

industry accepted definition of a true polished

concrete slab without major shortcuts to the

claim of a polished slab.

Mike Orzechowski, PE, is the Engineering Manager at DITEQ Corporation in Lee’s Summit, Missouri. He can be reached at 816-246-5515 or by email at [email protected].

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sAfety CounTS

By Elena Carr and Dr. Don Wright

A Safe Workplace is a Drug-Free Workplace

t he majority of individuals who abuse alcohol and other drugs are

employed, creating significant but avoidable safety and health

hazards in the nation’s workplaces.

small businesses in particular have big disadvantages when it comes

to substance abuse. Because they are less likely than larger companies to

have programs in place to combat it, they may be more likely to employ

drug users—and the cost of just one accident caused by an impaired

employee can devastate a small business.

the good news is that small business owners can protect their

companies and help reduce substance abuse in their communities by

implementing workplace prevention programs that educate employees

about its dangers and encouraging individuals with related problems

to seek help.

Although not required by the occupational safety and Health

Administration (osHA), drug-free workplace programs are natural

complements to other initiatives that help ensure safe and healthy

workplaces and add value to America’s businesses and communities.

such programs help reduce occupational injuries and illnesses and send

a clear signal that employers care about their employees.

A comprehensive drug-free workplace program generally includes

five components: a written policy, supervisor training, employee educa-

tion, employee assistance and drug testing. Although employers may

choose not to include all five, it is recommended that all be explored

when developing a program.

WRITTEN POLICyA written policy is the foundation of a drug-free workplace. every

organization’s policy should be tailored to meet its specific needs;

however, all effective policies have some aspects in common, including

why the policy is being implemented, a clear description of prohibited

behaviors, and an explanation of the consequences for violating the

policy. sharing all policies with all employees is essential for success;

therefore, employers should be certain that all employees are aware of

their drug-free workplace policy and program.

SUPERVISOR TRAININGAfter developing a policy, an organization should train those indi-

viduals closest to its workforce—supervisors. training should ensure

that supervisors understand the drug-free workplace policy, ways to

recognize and deal with employees who have performance problems

that may be related to substance abuse and how to refer employees to

available assistance or for drug testing as appropriate.

supervisors’ responsibilities should include monitoring performance,

staying alert to and documenting performance problems and enforcing

the policy. supervisors should not, however, be expected to diagnose

substance abuse problems or provide counseling to employees who

may have them. if supervisors are responsible for making referrals for

drug testing based on reasonable suspicion, they also must be specifi-

cally trained on how to make that determination.

EMPLOyEE EDUCATIONA drug and alcohol education program provides employees with

information they need to cooperate with and benefit from a drug-

free workplace program. effective programs provide company-specific

information, such as the details of the company’s policy, as well as

general information about the nature of addiction; its impact on work

performance, health and personal life; and help available for related

problems. All employees should participate, and the message should

be delivered on an ongoing basis through a variety of means, such as

home mailings, displays, brown-bag lunches, guest speakers and sessions

at new employee orientation.

4 0 | septeMBer.08

EMPLOyEE ASSISTANCEA critical component of a drug-free work-

place is providing assistance to employees who

have problems with alcohol and other drugs.

employee Assistance programs (eAps) are work

site programs that provide problem identifi-

cation, assessment and referral services for

employees. they are effective vehicles for

addressing poor performance that may stem

from an employee’s personal problems, includ-

ing substance abuse.

eAps benefit employees and clearly dem-

onstrate employers’ respect for their staff.

they also offer an alternative to dismissal

and minimize employers’ legal vulnerability

by demonstrating efforts to support employ-

ees. in addition to counseling and referrals,

many eAps offer services such as supervisor

training and employee education.

At a minimum, businesses should main-

tain a resource file from which employees

can access information about community-

based resources, treatment programs and

help lines.

DRUG TESTINGsome employers decide to drug test for

a variety of reasons, such as deterring and

detecting drug use, as well as providing con-

crete evidence for intervention, referral to

treatment and/or disciplinary action. Before

deciding to test, employers must consider cer-

tain factors, such as who will be tested, which

drugs will be tested for and when and how

tests will be conducted. they must also be

familiar with any state and Federal laws (such

as the Department of transportation’s drug-

and alcohol-testing regulations for employees

in safety-sensitive positions) or collective bar-

gaining agreements that may impact when,

where and how testing is performed. it is

strongly recommended that legal counsel be

sought before starting a testing program.

DRUG-FREE WORkPLACE RESOURCESthe Department of Labor’s working

partners for an Alcohol- and Drug-Free

workplace program and osHA encourage

small businesses to maintain safe, healthy and

drug-free workplaces and offer a number of

online tools to help them do so.

the working partners web site (www.dol.

gov/workingpartners) is a central source of

information about workplace drug and alco-

hol issues and strategies for addressing them.

For example, businesses needing to develop a

drug-free workplace policy from scratch can

use the site’s Drug-Free workplace Advisor

program Builder, which will guide them

through the different elements of a com-

prehensive policy and then generate a policy

statement based on their selections.

Another site feature, the substance Abuse

information Database (sAiD), is an online

repository of hundreds of documents related

to workplace alcohol and drug abuse, includ-

ing sample policies, surveys reports, training

and educational materials, and legal and regu-

latory information.

the site also has information about related

state laws, community-based organizations that

may assist businesses in becoming drug free

and help lines that can assist individuals who

have alcohol or drug problems. presentations,

fact sheets and articles that can be used for

supervisor training and employee education

purposes also are available.

Elena Carr is Drug Policy Coordinator and Director of the Working Partners for an Alcohol- and Drug-Free Workplace program in DOL’s Office of the Assistant Secretary for Policy.

Dr. Don Wright is the Director of OSHA’s Office of Occupational Medicine.

OSHA and NFIB recently formed an Alliance to enhance safety and health throughout the nation’s small and independent businesses. As part of this Alliance, they will work together to communicate with small businesses about how they can protect their workplaces from the hazards of alcohol and drug abuse.



w hy should i care about losses? i have insurance. Heck, i pay

all that money in premiums and my insurance representa-

tive tells me that i need to control losses. But since i have

insurance, what’s wrong with submitting claims? And why do i have to

worry about controlling costs? isn’t that the problem of my insurance

company? Have you had this conversation with yourself, your partner

or partners or your insurance agent recently? More often than you care

to think about?

over the last twenty plus years, i have

been asked this question, in one form or

another, many times. And i have had time

to think about the answer. And the answer

might help readers in two ways. First of

all, if your company is a member of the

csDA insurance program, the answer can

help you realize what benefits you are

accruing by being a member. second, if

you are not a member, the answer might

help you understand the advantages of

such a program.

when you think about your insurance

costs, it only seems fair that if you entered

into a contractual arrangement (your pol-

icy) with an insurance carrier to cover your losses, then you should not

have to deal with controlling these costs. why should you have to be

concerned with your costs?

the typical insurance arrangement (the standard commercial mar-

ket) is one in which you give money to an insurance company for

coverage of specific perils or accidents. your insurance company then

takes your premium and tries to protect itself by making sure that only

those perils covered by your policy are covered. their incentive is that

if they are successful, if they have money left over, it will revert back

to them to keep.

while the csDA insurance program offers policies that are much

broader than those found on the standard market, the process for

going about securing coverage and then in administering your policy

is almost the same as securing coverage in the open market. with one

big exception. Money left over in the csDA insurance program can be

used to reward those with few losses with lower insurance premiums

going forward or to be returned as dividends.

while this may sound good, there are still other benefits. companies

that do not have losses are able to avoid many of the hidden costs

By Bill Crimmins

Why Should I Care About Losses?

insurAnCe Corner

associated with loss. Hidden costs such as increased paperwork, broken

machinery, accident investigations, employee turnover, lost jobs due to

higher insurance costs, all play a role in loss prevention. the benefits of

controlling loss are not as easy to see as compared to a balance sheet.

However, think about how your balance sheet would look if you were

able to get those jobs that were lost due to a high workers’ compensa-

tion modifier. you could be looking at substantial increases in profit.

oK, so you’re still skeptical. Let’s look at

a possible claim scenario. A ten-year veteran

employee is working at a site and decides

to pick up a saw resulting in a lower back

strain. the injury puts the employee out of

work for weeks. As a business owner, you

have contractual obligations to complete

your work in a professional manner. As a

result you must continue the job. However,

now you are one person short and need to

find a replacement while the injured worker

recuperates. immediately your company has

an uninsurable loss. what is the uninsurable

loss? well, for the last ten years, you have

invested in the skills of that employee. now

that you do not have a skilled worker on

the job, you begin to lose money on that investment. the uninsured

loss comes in the form of lost productivity. if the employee did not get

injured on the job, the project would have been completed on time.

there are many different scenarios that could be used to demon-

strate the need to manage risk and prevent losses. these losses come

in the form of lower or lost productivity, lower or lost profitability, low

morale, excessive turnover or staff burnout. the point is that preventing

loss or controlling loss that does occur is still one of the best methods in

managing risk. so, yes, every company, no matter what kind of or how

much insurance they purchase, must be concerned with claims and the

losses that accompany them.

the csDA insurance program is available to help with your risk man-

agement. proper coverage, claims management and loss prevention are

just a few of the services offered to members of the program. it may be

in your best interest to contact the csDA insurance program.

Bill Crimmins is a consultant with the International Captive Alliance Group, the administrator for the Insurance Program for members of CSDA. For more informa-tion about the program, contact Crimmins at 815-405-8448 or [email protected], or call the International Captive Alliance Group at 847-639-1040.

4 2 | septeMBer.08


concrete openings | 4 3www.csDA.orgComposite

C M Y CM MY CY CMY K


4 4 | septeMBer.08

industry BiTS

Russian Concrete Cutting Contractor Marks 15th Anniversary

On February 29, 2008, Olvex celebrated its 15th anniversary by hosting

a gala party in its home city, Saint Petersburg, Russia. Founded in 1993,

Olvex has become a major contractor in the construction industry. Olvex

continues to step up its presence in international markets by offering its

services to specifiers in Scandinavia and Eastern Europe. Olvex keeps

the pace up on the

domestic market as

well, performing cutting

and drilling jobs on

an as-needed basis at

seven nuclear plants in

Russia. The anniversary

celebration was

attended by more than

200 people. Among

the attendees were

long-standing business

partners as well as government officials. The Olvex founders, Yury Mokin

and Sergei Chavkin, were presented with Honorary Builder of Russia

medals by the Federal Agency for Construction and Housing Utilities.

Guests from outside Russia also came to enjoy the festivities. For more

information about Olvex, visit www.olvex.ru/eng.

ICS® Announces FORCE4™ InitiativeICS has expanded the selection of FORCE4™ bars,

chains and powerheads and reduced prices. “FORCE4™

is the next logical step in diamond chain evolution,”

stated ICS President Jake VanderZanden. FORCE4™

is the newest development in diamond chain from ICS.

Designed to be the strongest diamond chain on the

market, the difference is visible: a much larger chassis

provides 50% more tensile strength than standard

diamond chain. The new lower prices combined with

the addition of two bar lengths, 10- and 20-inch, three

new chains, ProFORCE™ Premium L, Premium S and

Abrasive and an 8 gpm power head make the FORCE4™

line comparable to the ICS PRO series in both selection

and price, while 50% stronger. Other features include

deep engagement drive links for straighter cuts and a

patent-pending pitch design of the diamond segment

that creates the optimal blend of weight and strength.

Headquartered in Portland, Oregon, ICS is a division of

Blount International, Inc., a diversified manufacturing

company with global distribution. For more information,

call 800-321-1240 or visit www.icsbestway.com.

CSDA Issues CSDA Diamond Cutting Tools for ADA Best Practice

The Concrete Sawing and Drilling Association (CSDA)

has been the leading association for issuing standards,

specifications and best practices for the sawing and drilling

industry since its founding in 1972. CSDA provides

vital materials for architects and engineers to work on a

professional basis with sawing and drilling contractors. As part

of its effort to achieve these goals, CSDA has developed a Best

Practice entitled, CSDA Diamond Cutting Tools for ADA.

The United States Government has issued a series of

guidelines and regulations to establish a standard level of

accessibility for individuals with disabilities. These guidelines

are to be followed during the design, construction and

alteration of buildings as required by regulations issued by

Federal government agencies as a result of the Americans with

Disabilities Act (ADA) of 1990. CSDA Best Practice CSDA-

BP-005, CSDA Diamond Cutting Tools for ADA, provides a

quick overview of the ADA standard and outlines the types of

concrete cutting tools that could be employed to perform the

tasks necessary to be in compliance with the standard.

For more information on the CSDA Diamond Cutting

Tools for ADA Best Practice, contact the CSDA office at

727-577-5004 or go to the CSDA Website, www.csda.org, and

click on the Standards, Specifications and Best Practices link

on the right-hand side of the CSDA home page.

Diamond Products Introduces New Core Cut CC82E1 Floor Grinders

Diamond Products, announces the addition of its new

portable Core Cut brand CC82E1 Floor Grinders to its product

line. The CC82E1 is a portable, lightweight diamond

floor grinder for use on multiple concrete surface prep

applications. It works by quickly leveling and smoothing

bumps and uneven concrete and can remove paint,

epoxy and rough spots. The unit features a unique

adjustable rear axle with low profile disc guard that

enables it to reach under obstructions and spots

where other machines cannot get to. It comes in

two models, one with a 10-inch diamond disc

capacity (bolt on style) and another with

an 8-inch capacity. Both machines are

powered by a 2 hp, 1 PH Baldor 115V, 16

amp motor. Each unit weighs under 135

lbs. More information on the Core Cut

CC82E1 Floor Grinders is available

by calling Diamond Products at

800-321-5336.


Diamond Products’ Greg Lipscomb PromotedGreg Lipscomb has been promoted to the position of southeastern

regional sales manager by Diamond Products. The promotion takes

effect in October. Lipscomb

will be responsible for sales

in the Southeast. Lipscomb

brings many years of diamond

tool and equipment experience

and management responsibility

to the position. He has most

recently been working as a

sales representative covering

North Carolina. Prior to joining

Diamond Products, Lipscomb

served as a regional manager for

Penhall Construction Company

for five years. He also owned his

own concrete cutting company

for eleven years. He attended

Wright State University in

Fairborn, Ohio. Lipscomb, his wife and family reside in Apex, North

Carolina. Lipscomb can be reached at 919-369-2496.



4 6 | septeMBer.08

i n d u s t r y B i t s

(800) 321-5336


• Grinds, cleans levels and smoothes bumps and uneven concrete quickly

• Removes paint, epoxy and rough spots

• Adjustable rear axle, low profile disc guard can reach under obstructions

• Available in 10" diamond disc or 8" diamond disc grinding head models

• 2 HP - 1 PH Baldor 115V, 16 amp motor

• Weighs just 135 lbs.

Portable, light weight diamond floor grinder for

multiple concrete surface prep applications

Adjustable rear axle and heavy duty steel frame.

Low profile disc guard.Available with 8" or 10" discs

‘Whatever It Takes’

CB82E1

New Light WeightCC82E1 Floor Grinder

CC82E1 Ad.ps - 7/15/2008 2:33 PM

Comprehensive Cooling Tower White Paper Released by CTLGroup

CTLGroup has been recognized for excellence in

the longevity of repairs and is using their knowledge

to educate the energy industry via a new white paper

entitled: Knowledge is Power: Comprehensive Cooling

Tower Evaluations Benefit the Energy Industry authored

by Peter R. Kolf, P.E., S.E. and David L. Byrd, P.E. The

paper reveals why evaluation of cooling towers needs to be

included in planned shutdowns of 24/7 facilities. For a free

copy of the white paper, visit www.CTLGroup.com/energy

to request a copy. CTLGroup, a team of engineers and

scientists, performs investigation, analysis and specialized

testing of new and existing structures and materials. The

firm’s expertise enables CTLGroup to develop the most

comprehensive and effective solutions for each client’s

specific needs. For

more information,

call 847-302-4251

or visit www.

CTLGroup.com.

Atlas Copco Construction Tools Introduces MB 1500 To Complete Medium-Duty Hydraulic Breaker Line

Designed with fewer moving

parts for optimal reliability, the MB

1500 hydraulic breaker attachment

from Atlas Copco Construction

Tools LLC is ideal for demolition,

road work, trenching and secondary

rock breaking. The new unit joins

four existing models to complete

Atlas Copco’s medium-duty range of hydraulic breakers. Featuring industry-

leading technology, the MB 1500 offers exceptional breaking performance

through the combination of high single blow energy and an impressive impact

frequency of up to 640 blows per minute. To further maximize efficiency, the

MB 1500 features the StartSelect system, which allows start-up and shut-off

to be adjusted to fit jobsite conditions, as well as ContiLube II, an automatic

lubrication system mounted directly on the breaker. Featuring a compact,

self-priming pump, ContiLube II eliminates the need to manually grease

the breaker during each use, and lubricant levels can easily be observed and

adjusted by the operator at all times.

Atlas Copco Construction Tools is a division within Atlas Copco’s

Construction and Mining Technique business area. For more information,

call Atlas Copco at 413-746-0020.




(800) 321-5336www.diamondproducts.com

Affordable and Compact Grinding, Grooving andTexturing MachinesCG-1 & CG-2 Features:

• CG-1 - 10" wide grinding head capacity

• CG-2 - 16" wide grinding head capacity

• Available with various power choices

• Hydrostatic transmission

• Maneuverable in hard to reach areas

• Power raise/lower system

• Useful for creating textured anti-slip areas for improved traction

CG-1 Uses 12" blades on a 5" blade shaft

Specs made to fit your application

‘Whatever It Takes’

CG-1

New CG-1 & CG-2 Mini Groover Walk Behind Machines

MiniGroover Ad.ps - 7/15/2008 2:31 PM

Diamond Products Introduces New Core Cut Mini-Groover Walk Behind Machines

Diamond Products announces the addition of its new Core Cut CG-1 & CG-2

Mini Groover Walk Behind machines. These compact grinding, grooving and texturing

machines use 12-inch blades on a 5-inch blade shaft. The CG-1 machine features

a 10-inch wide grinding head capacity while the CG-2 model has a 16-inch wide

grinding head capacity. Both machines are available with a variety of power choices

(gas, diesel and electric) and feature a hydrostatic transmission. Other features of

the new mini groovers is their easy maneuverability that enables them to get to hard

to reach areas and a power raise/lower

system. The CG-1 unit weighs 800

lbs. Manufactured at the Oakdale,

California, facility, the CG-1

and CG-2 Mini

Groovers will add to

the company’s broad

line of highway grooving products.

More information on the Core Cut

Mini-Groovers is available by calling

Diamond Products at 800-321-5336.

Concrete Industry Management (CIM) Program Seeks Donations for World Of Concrete Auction

The Concrete Industry Management

(CIM) program, a business intensive program

that awards students with a four-year Bachelor

of Science degree in Concrete Industry

Management, is seeking donations for their

fourth annual auction to be held at the World

of Concrete on Thursday, February 5, 2009 at

12 noon. Organizers hope the 2009 Auction

is even bigger than the 2008 Auction, which

raised approximately $540,000. The money

raised from the CIM Auction, to be held at the

Las Vegas Convention Center, will benefit the

CIM National Steering Committee and support

the CIM Programs at Middle Tennessee State

University, Arizona State University, New Jersey

Institute of Technology, and the California

State University - Chico. According to Wally

Johnson, Chairman of the CIM Auction, the

event was a huge success. Those interested in

making a donation should contact Johnson at

713-499-6229 or [email protected].


CirCle reAder serviCe CArd no. 100 CirCle reAder serviCe CArd no. 8

4 8 | septeMBer.08

HICYCLE MOTOR MANUFACTURING, INC.

MOTORSSWITCHBOXES • GENERATORS

REPAIRS

• NEW Motors & Switchboxes• Chainsaw Conversions• Generators Built Upon Request• We repair our motors and switchboxes,

plus most other brands of motors as well.

Hicycle_ad_rev5.qxd 10/29/2007 7:59 PM Page 1


The James R-Meter MK III & Mini R-Meter

A classic rebar locator with the latest in sensing and microprocessor technology• Eddy current sensor design for greater accuracy.• Single sensor for all depth ranges.• Locates rebar, post tension cable, conduit, and copper pipe.• Determine bar size up to 4.5” (115 mm) deep.• Daylight visible display.• Rugged and splash resistant case.• Optional scan cart.• Locates up to 8” (200 mm) deep.

www.ndtjames.com • email: [email protected] North Kedzie Avenue Chicago, Illinois 60618800-426-6500 • 773-463-6565 • Fax: 773-463-0009

We put concrete to the test!

R-Meter MK III

Mini R-Meter

A hand held field instrument for finding the location, depth and size of reinforcement rebar, post tension, copper and conduit in place.• Eddy current design for greater accuracy.• Single sensor for all depth ranges.• Daylight visible display• Locates up to 8” (200mm)• Economical

Professionals Know Before They Start

Stone Construction Equipment, Inc. Announces New Appointments

Stone Construction Equipment, Inc., announces the following

promotions and new hires. Edward Christopher has been appointed vice

president of international sales and marketing, a new position. Christopher

has been with the company since 2004 as director of international sales.

Since that time, he has led the expansion of Stone’s international sales

force, marketing efforts and sales presence. Greg Garrison has been

appointed district sales manager serving equipment dealers and rental

houses in Kentucky, Michigan and parts of Indiana and Ohio. Garrison has

many years of sales experience as well as construction project management

experience. Justin Canup of Apple Valley, California, has been named

district sales manager serving equipment dealers and rental houses in

the states of Arizona, California, Nevada and Hawaii. Canup has over 11

years of direct business-to-business selling experience, most recently in the

home filtration industry. Clark Fossand has been reappointed district sales

manager serving equipment dealers and rental houses in the states of Iowa,

Minnesota, Nebraska, North Dakota, South Dakota, Wisconsin and the

Province of Manitoba, Canada. Fossand was previously part of the Stone

sales team from 1999 to 2004. He returns with a wealth of experience with

both Stone equipment and Stone customers. In addition, Rick Byers has

been named district sales manager covering the state of Texas. Byers has

over 12 years of sales experience in the construction equipment industry,

most recently with a major equipment manufacturer. For additional

information, call 800-888-9926.

Hilti Introduces New Diamond CuttersThe new Hilti DCH 230 and DCH 300 Electric Diamond

Cutters set new standards in performance, safety and comfort.

With a 2.6 kilowatt motor, clever design and new cutting depth

adjustment mechanism, the DCH 230 and DCH 300 reach the

unrivalled and impressive depths of 3.4 inches and 4.7 inches.

An intelligent electronic control system that constantly regulates

motor power to suit the material being cut and the pressure

applied to the tool makes these electric cutters ideal for even the

toughest, thickest materials such as reinforced concrete, granite

curbstone, slabs, bricks, metal beams, steel pipes and more. The

low vibration of the tool helps

increase operator comfort even

when the tools are used for long

periods. For more information,

contact Hilti Customer Service.

From the U.S., call Hilti at

800-879-8000, or in Spanish,

call 800-879-5000. From

Canada, call Hilti Canada at

800-363-4458. Additional

information can also be found

online at www.us.hilti.com or

www.ca.hilti.com.



800–521–0635 • [email protected] • www.elcometer.com


www.csDA.org

Made in the USA

The Professional’s Choice with Proven Performance Exceptional Quality at Competitive Prices

Manufactured from only the finest materials

Wel Co WEL-CO DIAMOND TOOL CORP. P.O. BOX 1767 / 390 ROBERTS RD. OLDSMAR, FLORIDA 34677 TELEPHONE: 800-343-4960; 813-854-2638FAX: 813-854-1824

Hilti Introduces New CombihammerWith a new 1700 watt motor, the

Hilti TE 80 ATC-AVR is a very powerful

combihammer. The TE 80 ATC-AVR makes

light work of a wide range of demanding jobs

including hammer drilling in the ¾-inch to

6-inch diameter range in concrete, masonry

and natural stone, drilling through-holes

up to 6 inches in diameter in concrete and

masonry, and heavy chiseling work and

drilling with high torque in wood and steel.

The active vibration reduction feature

provides optimum operator protection and

a high level of working comfort even during

long periods of use. A mass damper system

suspended on springs inside the casing

absorbs vibration in the tool’s longitudinal

axis while the grip, which is decoupled from

the rest of the tool, efficiently absorbs even

vibrational torque. Another safety feature is

an active torque control, an electronic rapid

cut-out system that disengages the tool drive

system if the drill bit sticks and the tool

starts to rotate too quickly, thereby providing

additional operator protection. For more

information,contact Hilti Customer Service.

From the U.S., call Hilti at 800-879-8000

or in Spanish, call 800-879-5000.

From Canada, call Hilti (Canada) at

800-363-4458. Additional information

can also be found online at www.us.hilti.com

or www.ca.hilti.com.

Advanced Cutting Technologies, Inc. to Serve the Wire Sawing Market

Ted Johnston, past president of CSDA,

and his brother Steve have joined forces

and started Advanced Cutting Technologies

(ACT) to sell wire saws and wire sawing

accessories. Headquartered in Winnipeg,

Canada, Advanced Cutting Technologies will

carry Plattner wire saws to offer buyers the

professional advantage of proven wire sawing

equipment. For more information, call

204-777-6599.

(800) 662-4274 • (916) 624-1118 • dtiinnovations.com

AK-400 8-Speed Hycycle® Wall Saw

Production Wall Sawing … Made Easy.Photo courtesy of Atlantic Concrete Cutting.

DTI011_REVISED WOC ad 17.25x5.622-3 2-3 1/15/08 1:34:10 PM


Atlas Copco Construction Tools Introduces CC 2500 Hydraulic Demolition Attachment

Atlas Copco Construction Tools LLC introduces the CC2500 to its

line of conbi cutter hydraulic demolition attachments. The new attachment

offers faster jaw replacement, enhanced stability and shorter cycle times.

For optimum application versatility, both universal jaws and steel-cutting

jaws are available for the CC 2500. Opening to a width of 34.6 inches, the

universal jaws are ideal for heavily reinforced concrete demolition, building

demolition, secondary reduction and material separation. The steel-cutting

jaws open 16.8 inches wide and are suited for steel structure demolition,

secondary reduction and material separation. Both jaws deliver a maximum

cutting force of 330 tons. The CC 2500 features a single pin jaw retention

design that improves tool visibility for the operator, decreases the total weight

of the unit, and drastically reduces the time required to switch between the

different sets of cutting jaws. To further increase the convenience of on-site

jaw replacement, the CC 2500 comes with a coupling and positioning system

(CAPS) that keeps each set of jaws connected after they have been removed

and facilitates refitting through a special guide system. The CC 2500 comes

with easy-to-replace wear parts, including reversible blades that provide

longer service life, and a host of other features designed to increase the

durability and performance of the machine. For more information, contact

the company at 413-746-0020.


(800) 662-4274 • (916) 624-1118 • dtiinnovations.com

AK-400 8-Speed Hycycle® Wall Saw

Production Wall Sawing … Made Easy.Photo courtesy of Atlantic Concrete Cutting.

DTI011_REVISED WOC ad 17.25x5.622-3 2-3 1/15/08 1:34:10 PM


CTLGroup Promotes Managers; Hires Senior Microscopist

CTLGroup has promoted Steven J.

Smith, Ph.D., P.E. to group manager for its

Washington D.C. office. Smith is licensed

in more than a dozen states and provides

consultation to the construction industry. His

expertise includes forensic investigation and

litigation support for construction failures,

blast investigation, crisis failure

site management, crane accident

investigation, and field-testing.

Danielle D. Kleinhans, Ph.D.,

P.E. has been promoted to group

manager of structural engineering and

mechanics. Kleinhans has eight years

of structural engineering experience,

focused on the design and construction

of bridges and on the use of fiber-

reinforced materials for structural

applications. Current projects include

forensic investigations and litigation

support for projects involving bridges,

parking garages, and residential structures.

The author of more than twenty articles,

Kleinhans is licensed in three states.

A. Derek R. Brown, BSc, MICT, has

joined CTLGroup as senior microscopist.

With 28 years of forensic testing and research

and development support, he continues

his work at CTLGroup by examining a

variety of materials and producing insightful

technical reports. An experienced concrete

petrographer and clinker microscopist, he is

also proficient in the use of scanning electron

microscopy and X-ray diffraction.

For more information, call the marketing

department at 847-302-4251.

smith Kleinhans Brown

CirCle reAder serviCe CArd no. 94 CirCle reAder serviCe CArd no. 94

5 2 | septeMBer.08

$515 $1,070 $795

$1,350 $1,010

$2,000 $1,495

$2,420

$350 $620

$3,240

$4,335

$5,400

$840

$1,265

$1,700

$2,135

$2,700

CSDA MEMBERSHIP APPLICATION


NETWORkING

the number one benefit for members has always been the opportunity

to network with cutting professionals. information gained at meet-

ings, conventions and by phone gives members a chance to gain useful

knowledge from peers and industry experts.

REFERRALS

general contractors, architects, engineers and government officials

looking for sawing and drilling services often contact csDA for referrals.

inquiries are directed to the member directory on the csDA website.

the specifier’s corner on the csDA website is a popular feature that

continues to be a valuable source to specifiers, leading to more referrals

for csDA contractor members.

TRAINING

More than 1,400 members have graduated from the csDA training

programs: operator certification, osHA construction safety, cutting

edge, estimating, sawing and Drilling 101 and wall sawing 101, which

was added in 2007. csDA members receive a discount on csDA’s five

safety and training videos: Flat sawing and Blade safety, wall sawing,

core Drilling, Hand sawing and wire sawing. online training for these

courses is now available at www.csdatraining.com.

SAFETy MANUALS

Members receive a significant discount on the 230-page csDA safety

Manual that was developed to assist members in creating safety and

health programs to benefit their companies and employees. the manual

is intended to provide a starting point for developing company-specific

safety programs. it is divided into a Field safety section, reference

section and Q&A section. the csDA safety Manual is also available in

electronic format. csDA also offers a convenient 60-page safety Hand-

book designed specifically for operators.

ConCrete openings MAGAzINE

with a circulation of more than 16,000 each quarterly issue, Concrete

Openings magazine is the voice of the sawing and drilling industry and

the only professional magazine dedicated to concrete cutting. Members

can have their job stories published and receive complimentary copies

of the magazine for distribution to current and prospective customers.

since Concrete Openings reaches more than 7,000 specifiers each issue,

a published story makes for a valuable marketing and advertising tool.

csDA members also enjoy discounted advertising rates.

INSURANCE

the csDA insurance program, tailored expressly for csDA members,

offers coverage that includes workers’ compensation, auto, compre-

hensive general liability, environmental pollution, professional liability,

equipment, epL and other lines specifically for the concrete sawing and

drilling industry.

MARkETING MATERIALS

to help owners market their businesses, csDA sells promotional litera-

ture and marketing manuals. Members can take advantage of 4-color

brochures, fliers and videos that can be easily personalized and are

guaranteed to save money and frustration involved with developing

their own marketing materials. Find out how to market your company

with the “How to Market your concrete cutting Business” manual.

INDUSTRy RESEARCH

A variety of reports are available to help members in decision-making.

the Membership profile Analysis is a periodic survey of members to

collect statistics on operating and financial information, such as wages,

profit & loss, safety, equipment and diamond tool costs. the slurry

Analysis report is a csDA-sponsored, 60-page report for members. the

analysis was performed by an environmental engineering firm and

includes guidelines for slurry disposal.

WEBSITE

the csDA website at www.csda.org contains information for both mem-

bers and specifiers on topics that include industry news, specifications,

contractor stories from Concrete Openings, discussion boards and an

event calendar. Members are listed in the online, searchable membership

directory, where contractors and specifiers often turn to find concrete

cutting services in the U.s. and overseas. the csDA website averaged

more than 1 million hits in 2006, roughly 3,000 hits per day, making

inclusion in the site’s directory a major membership benefit.

SPECIFICATIONS & BEST PRACTICES

csDA offers a variety of specialized manuals available to members.

Members have access to specifications on core drilling, flat sawing, hand

sawing, track mounted wall sawing and wire sawing as well as to stan-

dards on continuous tube threads, blade application codes, bolt together

core bits and diamond blade specifications. international tolerances are

also available. Best practices for the sawing and drilling industry are

published regularly and are made available to csDA members.

REASONSt o b e c o m e a c S D a m e m b e r

5 4 | septeMBer.08

companies listed here have invested time and money to send their operators to csDA’s

operator certification. if you are committed to professionalism in the concrete cutting industry,

consider sending your operators through the training programs offered by csDA.

Certified oPerAtor ComPanieS

ABC CUTTING CONTRACTORS - BIRMINGHAM3060 Dublin CircleBessemer, AL 35022Tel: 205-425-7711Fax: 205-425-7769www.abccuttingala.com

ACCU-CUT CONCRETE SERvICES, INC.P.O. Box 244Palm Harbor, FL 34682Tel: 727-787-4843Fax: 727-773-0601www.accu-cut.biz

ADvANCED CORING & CUTTING CORP.919 Highway 33, Building 26Freehold, NJ 07728Tel: 732-409-7733Fax: 732-409-0032www.advancedcoringandcutting.com

AMBERCROFT LABOURERS’ 506 TRAINING CENTRE1600 Major Mackenzie Drive EastRichmond Hill, Ontario L4S 1P4CANADATel: 905-883-4268Fax: 905-883-4894www.506tc.org

ATLANTIC CONCRETE CUTTING, INC.396 North Pemberton RoadMt. Holly, NJ 08060Tel: 609-261-7200Fax: 609-261-7246www.atlanticconcretecutting.com

BAy LINE CUTTING & CORING, INC.1033 Yerba Buena AvenueOakland, CA 94608Tel: 510-420-8992Fax: 510-420-8982

CAL WEST CONCRETE CUTTING, INC.3000 Tara CourtUnion City, CA 94587Tel: 510-656-0253Fax: 510-656-8563www.calwestconcretecutting.com

CAL WEST CONCRETE CUTTING, INC.1153 Vanderbilt CircleManteca, CA 95337Tel: 209-823-2236Fax: 209-823-0740www.calwestconcretecutting.com

CENTRAL CONCRETE CUTTING, INC.W719 Leroy StreetEdgar, WI 54426Tel: 715-352-2552Fax: 715-849-2028www.centralconcretecutting.com

CON-COR COMPANy, INC.W146 N5790 Enterprise AvenueMenomonee Falls, WI 53051Tel: 262-781-3660Fax: 262-252-3832www.con-cor-co.com

CONCRETE CORING COMPANy OF HAWAII, INC.99-1026 Iwaena StreetAiea, HI 96701Tel: 808-488-8222Fax: 808-487-6679www.concretecoringhawaii.com

CONCRETE CUTTING SPECIALISTS, INC.6455 Pierce RoadFreeland, MI 48623Tel: 989-791-2032Fax: 989-791-3915

CONCRETE PENETRATING CO.P.O. Box 35766Dallas, TX 75235Tel: 214-634-2990Fax: 214-634-0953

CONCRETE RENOvATION, INC.6600 Randolph BoulevardSan Antonio, TX 78233Tel: 210-653-6120Fax: 210-590-2316www.concreterenovation.com

CONCRETE SAWING COMPANy, INC.16119 SE Evelyn StreetClackamas, OR 97015Tel: 503-656-9244Fax: 503-656-9286www.concretesawing.com

CORE SOLUTIONS LTD.P.O. Box 3349MaravalTRINIDAD & TOBAGOTel: 868-622-8334Fax: 868-622-3074www.coresolutionsltd.com

CORING & CUTTING SERvICES, INC.1107 North Redmond RoadJacksonville, AR 72076Tel: 501-779-4072Fax: 501-985-9781www.sawconcrete.com

CORING & CUTTING SERvICES OF BENTONvILLE2711 SE Otis Corley DriveBentonville, AR 72712Tel: 479-271-9672Fax: 479-271-9674www.sawconcrete.com

CUT-RITE CONCRETE CUTTING CORP.22 Lockbridge StreetPawtucket, RI 02860Tel: 401-728-8200Fax: 401-727-2953www.cutriteccc.com

DEANDREA CORING & SAWING, INC.6385 Grandview AvenueArvada, CO 80002Tel: 303-422-3885Fax: 303-431-9661www.deandreacoring.com

DELTA CONTRACTORS & ASSOCIATES, LLC605 South Caton AvenueBaltimore, MD 21229Tel: 410-624-0990Fax: 410-624-0991www.deltacontractorsllc.com

DERRICk CONCRETE CUTTING & CONSTRUCTION LTD.7039 - Gateway BoulevardEdmonton, Alberta T6H 2J1CANADATel: 780-436-7934Fax: 780-435-4389www.derrickconcrete.com

DI-TECH INTERNATIONAL, INC.P.O. Box 4, GRP. 525, R.R. 5Winnipeg, Manitoba R2C 2Z2CANADATel: 204-222-7400Fax: 204-222-9933www.di-techinternational.com

DIxIE CONCRETE CUTTING CO.5297 Port Boulevard SouthCollege Park, GA 30349Tel: 404-761-1100Fax: 404-669-2550

DIxIE CONCRETE CUTTING, INC.16 Maple Creek CircleGreenville, SC 29607Tel: 864-627-8744Fax: 864-299-5009

E. LUkE GREENE COMPANy, INC.619 East Maple StreetJohnson City, TN 37601Tel: 423-926-1151Fax: 423-926-5558www.elukegreene.com

EAST COAST CONCRETE CUTTING CO., INC.7229 Montevideo Road Jessup, MD 20794 Tel: 410-799-4540 Fax: 410-799-1978

GREENE’S INC.1065 West 750 SouthWoods Cross, UT 84087Tel: 801-292-6699Fax: 801-299-0948www.greenesinc.com

GRONEMEIER CONCRETE CUTTING, INC.22 White Place Bloomington, IL 61701Tel: 309-829-7991Fax: 309-829-2685 www.gronemeier.com

HAFNER AND SON, INC.90 Atlas RoadNorthampton, PA 18067Tel: 610-262-4805Fax: 610-262-4809www.hafnerandson.com

HARD ROCk CONCRETE CUTTERS, INC.984 Lee StreetDes Plaines, IL 60016Tel: 847-699-0010Fax: 847-699-0292www.hardrockconcretecutters.com

HARD ROCk SAWING & DRILLING SPECIALIST CO.P.O. Box 718Keshena, WI 54135Tel: 715-799-3823Fax: 262-723-5060

HARDCORE CONCRETE CUTTING, INC.P.O. Box 1130Valrico, FL 33595Tel: 813-986-0696Fax: 813-986-0218www.hardcoreconcretecutting.com

HOLES INCORPORATED9911 Franklin RoadHouston, TX 77070Tel: 281-469-7070Fax: 281-469-6207www.holesinc.com

HOLES OF SAN ANTONIO, INC.118 Braniff DriveSan Antonio, TX 78216Tel: 210-349-5256Fax: 210-349-0727www.holesofsa.com

INTERNATIONAL DRILLING & SAWING, INC.P.O. Box 250013Montgomery, AL 36125Tel: 334-288-2355Fax: 334-288-7299www.idscuts.com

k.C. CORING & CUTTING CONSTRUCTION, INC.7240 Central StreetKansas City, MO 64114Tel: 816-523-2015Fax: 816-523-8493www.sawconcrete.com

LOMBARDO DIAMOND CORE DRILLING CO., INC.2225 De La Cruz BoulevardSanta Clara, CA 95050Tel: 408-727-7922Fax: 408-988-5326www.lombardodrilling.com

M6 CONCRETE CUTTING & CORING1030 South McComas StreetWichita, KS 67213Tel: 316-833-3640Fax: 316-264-3517www.conacc.com

MINNEAPOLIS CONCRETE SAWING & DRILLING4000 - 85th Avenue NorthBrooklyn Park, MN 55443Tel: 800-318-9901Fax: 763-488-9737www.mcsdcutting.com

NELSON’S CONCRETE DRILLING4565 Industrial Street, Suite 8ASimi Valley, CA 93063Tel: 805-578-9800Fax: 805-578-9802

PACIFIC CONCRETE CUTTING & CORING, INC.P.O. Box 662261Lihue, HI 96766Tel: 808-245-7171Fax: 808-245-9393

PENHALL COMPANy - MINNEAPOLIS850 Mendelssohn Avenue NorthGolden Valley, MN 55427Tel: 763-542-9999Fax: 763-545-1141www.penhall.com

PRO CUT, INC.124 Calvary StreetWaltham, MA 02453Tel: 781-899-0006Fax: 781-899-5742www.procompanies.com

PROFESSIONAL CONCRETE SAWING8539 Oliver RoadErie, PA 16509Tel: 814-566-5555Fax: 814-866-5555

ROCky MOUNTAIN CORING - SAWING, INC.P.O. Box 158Raton, NM 87740Tel: 505-445-0003Fax: 505-445-0004

ROUGHNECk CONCRETE DRILLING & SAWING8400 Lehigh AvenueMorton Grove, IL 60053Tel: 847-966-6666Fax: 847-966-6577www.roughneck1.com

TRUE-LINE CORING & CUTTING OF CHATTANOOGA1903 South Highland Park AvenueChattanooga, TN 37404Tel: 423-624-7369Fax: 423-624-7977www.sawconcrete.com

TRUE-LINE CORING & CUTTING OF kNOxvILLE1902 Middlebrook PikeKnoxville, TN 37921Tel: 865-637-2131Fax: 865-637-1973www.sawconcrete.com

TRUE-LINE CORING & CUTTING OF NASHvILLE280 Hermitage AvenueNashville, TN 37210Tel: 615-255-2673Fax: 615-255-9685www.sawconcrete.com

TRUE-LINE CORING & CUTTING OF TAMPA6014 West Waters AvenueTampa, FL 33634Tel: 813-885-4401Fax: 813-885-4812www.sawconcrete.com


FALL 2008 TRAINING SCHEDULESLAB SAWING AND DRILLING 101 November 10–12, 2008

ESTIMATING November 11–12, 2008

5 6 | septeMBer.08

new memBerS

The Concrete Sawing and Drilling Association is a nonprofit trade association of contractors, manufacturers, distributors and affiliates from the construction and renovation industry. Membership in CSDA is open to concrete cutting contractors, manufacturers and distributors of concrete cutting equipment and affiliated companies who provide products and services to the concrete sawing and drilling industry. Founded in 1972, CSDA reached the milestone of 500 member companies in 2006.

North American ContractorsUNITED STATES

AMERICAN INSHORE DIvERS CORP.Mike Aiken2098 NE 4th CourtBoca Raton, FL 33431Tel: 561-447-9338Fax: 561-447-9338E-mail: [email protected] www.americaninshoredivers.com

BERGEN CONCRETE CUTTING, INC.Joe Mongelli299 W Fort Lee Rd Ste 1Bogota, NJ 07603Tel: 201-343-6200Fax: 201-343-6202E-mail: [email protected]

CAMBRIDGE CONCRETE CUTTING & CORING, INC.Richard Lawrence31441 Holly St NWCambridge, MN 55008Tel: 763-689-3786Fax: 763-689-4427E-mail: [email protected]

FLyING A CUT AND COREDamon ParsonsPO Box 1358Condon, MT 59826Tel: 406-270-8469E-mail: [email protected]

GERALD STILESGerald Stiles, Sr.1809 W Rt 281 Ste 100-135Longview, TX 75604Tel: 903-235-7480Fax: 903-295-2633E-mail: [email protected]

J CORE DRILLING, INC.Jesus Cabrera43021 Braddock RoadCentreville, VA 20120Tel: 703-327-8400Fax: 703-327-2673 E-mail: [email protected]

kEySTONE CONCRETE CUTTING COMPANyPamela Neal325 E Stiegel StManheim, PA 17545Tel: 717-664-0571Fax: 717-664-5011E-mail: [email protected]

RELIANCE CONSTRUCTIONDebra FineganPO Box 121Exeter, NH 03833Tel: 603-502-7742Fax: 603-778-1292E-mail: [email protected]

SHOTTS CONCRETE CUTTING CO., LLCBob Shotts2561 High Bridge RdLancaster, KY 40444Tel: 859-548-3000Fax: 859-548-2800 E-mail: [email protected]

Cutter’s CornerThis classified section is for use by anyone who wants to sell or buy used equipment, post help wanted ads or advertise business opportunities. Anyone interested in placing ads should send copy to Concrete Openings Classifieds, 11001 Danka Way North, Suite 1, St. Petersburg, FL 33716. Copy can also be faxed to 727-577-5012 or emailed to [email protected]. Cost: $100 for 10 lines for members; $200 for

non-members. Additional lines $10 each. Copy must be in the CSDA office no later than the first day of the month preceding publication.

csda membership (1993–2008)

1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008

for SaLeComplete DiamonD tool proDuCtion line Currently still in use making diamond saw blades, core drill bits, floor grinding tools and more. Dr. Fritsch and arga machines. all in top condition. For full equipment list and photos, please contact:

peter samuel Unitec Diamond technology tel: 61 (0)2 6040 3020 Fax: 61 (0)2 6040 3077 email: [email protected]

North, Suite 1, St. Petersburg, FL 33716. Copy can also be faxed to 727-577-5012 or emailed to [email protected]. Cost: $100 for 10 lines for members; $200 for

non-members. Additional lines $10 each. Copy must be in the CSDA office no later than the first day of the month preceding publication.

TRASE CONCRETE CUTTING & CORINGKevin Wood410 Clearview Ave Ste GTrevose, PA 19053Tel: 215-478-2504Fax: 267-560-5219E-mail: [email protected]

CANADA

WOODBRIDGE CONSTRUCTORS, INC.Frank Macchi, P.Eng.PO Box 29193 RPO McIntyre CentreThunder Bay, ON P7B 6P9CANADATel: 807-767-5426Fax: 807-767-5427E-mail: [email protected]

Overseas ContractorsTEAM BUILDERSPaul TLPO Box 34793DubaiUNITED ARAB EMIRATESTel: 971-5 0658 5365Fax: 971-4 3430 348E-mail: [email protected]

DistributorsADvANCED CUTTING TECHNOLOGIES, INC.Ted Johnston1864 Springfield Rd Box 4 GRP 525 RR 5Winnipeg, MB R2C 2Z2CANADATel: 204-781-1485Fax: 204-222-9933E-mail: ted@advancedcuttingtechnologies.cawww.advancedcuttingtechnologies.ca

for SaLeConCrete sawing anD Drilling business in washington state. two well-equipped Ford 550s. gDm, meco, Cardie and Cushion Cut equipment.

For more information, call 360-430-1088.


why i joined CsdAto me, the wealth of knowledge available from other members

within CSDA has been the most valuable benefit of joining the

association.

I got into this business from the vendor’s side of things, working with a

manufacturing company. I knew then that CSDA was the place to go to

make connections in the sawing and drilling industry. So when I started

my business in 2000, becoming a member of CSDA had already been

decided. It was just a matter of establishing my company first. One year

after setting up shop, I joined. Since then, I’ve enjoyed the friendships,

information and programs made available to me through CSDA.

The most important benefit of membership for my company has been

attending CSDA functions. At the conventions and meetings, you can

sit down and talk to professionals from every corner of the industry in

a relaxed and social environment. You can find out about new types of

equipment, how to modify the equipment you have, learn a different

approach to a particular type of job, or get tips on managing employees.

Sometimes, you’ll even be the one giving advice.

Bennett Jones owner: Advanced Concrete sawing, inc. roseville, minnesota email: [email protected].

CAlendAr

2008

CSDA SLAB SAWING & DRILLING 101November 10-12, 2008St. Petersburg CollegeClearwater, FLTel: 727-577-5004Website: www.csda.orgemail: [email protected]

CSDA ESTIMATING COURSENovember 11-12, 2008St. Petersburg CollegeClearwater, FLTel: 727-577-5004Website: www.csda.orgemail: [email protected]

BAUMA CHINA 2008November 25-28, 2008Shanghai New International Expo CentreShanghai, ChinaWebsite: www.bauma-china.com

CSDA BOARD & COMMITTEE MEETINGSDecember 2-4, 2008Renaissance Lodge at SonomaSonoma, CATel: 727-577-5004Website: www.csda.orgemail: [email protected]

2009

WORLD OF CONCRETE 2009February 2-6, 2009Las Vegas Convention CenterLas Vegas, NVTel: 866-962-7469Website: www.worldofconcrete.com

CSDA BOARD MEETINGFebruary 3, 2009Las Vegas Convention CenterLas Vegas, NVTel: 727-577-5004Website: www.csda.orgemail: [email protected]

IACDS DIAMOND AWARD 2009 PRESENTATIONFebruary 4, 2009Las Vegas Convention CenterLas Vegas, NVTel: 727-577-5004Website: www.iacds.orgemail: [email protected]

CSDA GREEN ROUNDTABLE— SLURRy RECyCLINGFebruary 5, 2009Las Vegas Convention CenterLas Vegas, NVTel: 727-577-5004Website: www.csda.orgemail: [email protected]

My company is also taking advantage of the insurance program

offered through CSDA. Besides providing valuable savings on

important benefits for my employees, the insurance representatives

are working with me to help me tailor the most effective safety

program for my company.

As a member of CSDA, I have access to unparalleled programs and

professionals from every aspect of the sawing and drilling industry

that I couldn’t find anywhere else.

CSDA CUTTING EDGEFebruary 19-20, 2009St. Petersburg CollegeClearwater, FLTel: 727-577-5004Website: www.csda.orgemail: [email protected]

CSDA OSHA CONSTRUCTION SAFETyFebruary 21, 2009St. Petersburg CollegeClearwater, FLTel: 727-577-5004Website: www.csda.orgemail: [email protected]

CSDA ESTIMATINGFebruary 23-24, 2009St. Petersburg CollegeClearwater, FLTel: 727-577-5004Website: www.csda.orgemail: [email protected]

CSDA WALL SAWING 101February 23-25, 2009St. Petersburg CollegeClearwater, FLTel: 727-577-5004Website: www.csda.orgemail: [email protected]

CSDA 2009 CONvENTIONMarch 3-8, 2009CasaMagna Marriott & JW MarriottCancun, MexicoTel: 727-577-5004Website: www.csda.orgemail: [email protected]

CSDA ESTIMATINGNovember 10-11, 2009St. Petersburg CollegeClearwater, FLTel: 727-577-5004Website: www.csda.orgemail: [email protected]

CSDA OPERATOR CERTIFICATION 201November 9-14, 2009St. Petersburg CollegeClearwater, FLTel: 727-577-5004Website: www.csda.orgemail: [email protected]

CSDA BOARD & COMMITTEE MEETINGSDecember 1-3, 2009Loews Coronado Bay ResortCoronado, CaliforniaTel: 727-577-5004Website: www.csda.orgemail: [email protected]

2010

CSDA 2010 CONvENTIONMarch 2-7, 2010Loews Coronado Bay ResortCoronado, CaliforniaTel: 727-577-5004Website: www.csda.orgemail: [email protected]

Advertisers

45 Advanced Cutting Technologies, Inc. 204-222-7400 [email protected] 90

19 brokk, Inc. 425-890-5534 [email protected] 9

Inside back Cover Diamond b, Inc. 562-926-8595 [email protected] 7

18 Diamond Pauber srl 39-5 8583 0425 [email protected] 99

46, 47, Inside Front Cover Diamond Products 440-323-4616 [email protected] 1

45 Diamond Systems (yellowbarz) 800-387-2513 [email protected] 2

50, 51 Diamond Tech, Inc 916-624-1118 [email protected] 94

24 Diamond Vantage, Inc. 816-268-8310 [email protected] 80

39 DITEQ Corporation 816-246-5515 [email protected] 76

49 Elcometer, Inc. 248-650-0500 [email protected] 18

59 Geophysical Survey Systems, Inc. (GSSI) 603-893-1109 [email protected] 4

48 Hicycle Motor Manufacturing, Inc. 503-824-6119 [email protected] 100

30, 31, Outside back Cover Husqvarna/Soff-Cut 951-272-2330 [email protected] 11

2 ICS, blount Inc. 503-653-4497 [email protected] 5

48 James Instruments, Inc. 773-463-6565 [email protected] 8

41 Mala GeoScience USA, Inc. 843-852-5021 [email protected] 96

5 Norton Penhall Diamond Products 800-854-3281 [email protected] 64

38 ProContractor Supply, Inc. 770-287-8555 [email protected] 19

9 Protech Diamond Tools, Inc. 403-230-8826 [email protected] 25

27 Sanders Saws, Inc. 800-421-1244 [email protected] —

21 Sensors and Software 905-624-8908 [email protected] 49

43 Toolgal USA Corp 845-708-8222 [email protected] 17

49 Wel-Co Diamond Tool Corporation 813-854-2638 [email protected] 97

15 Western Saw 805-981-0999 [email protected] 65

PAge Advertiser Phone emAil rs no.

to receive additional information about products advertised in this issue, return the reader service card enclosed or contact vendors below.

5 8 | septeMBer.08


direCtor’s DiaLogue

PAtriCK o’Brien

Executive Director

Help Shape the Future

of Your Industry

Email [email protected]

m y involvement with csDA and the sawing

and drilling industry dates to 1982, when

i joined ge superabrasives, formerly the

specialty Materials Department. the industry has

undergone dramatic change since that time, especially in

the last decade. csDA has also changed. At its formation

in 1972, csDA started with 13 members and a budget of

$13,000. today, we have 550 members and our budget

exceeds $1 million.

the numbers reveal a growing and thriving

association. csDA has developed a broad array of

highly successful safety and training programs. we

provide manuals, handbooks and DVDs, as well as

seven classroom/hands-on programs to help operators

maintain the highest level of skill and professionalism.

csDA has embraced technological advances, establishing

the industry’s professionalism worldwide via the internet

and offering 17 online courses for sawing and drilling

professionals.

consider for a moment how these programs and

others came to fruition. they are the products of your

ideas and questions.

too often individuals don’t realize their importance

to our association or industry. csDA is an association

of sawing and drilling professionals. the csDA Board,

officers and staff listen to input from members and

prospects, and they take action accordingly. this process

of listening and taking action has resulted in the

exceptional growth and world-class benefit programs

that have established csDA as an authority in our

industry throughout its 36-year history.

today’s operators require specialized training to

use their hi-tech equipment, and contractors are relying

on email and the internet more than ever to run their

businesses. tomorrow’s csDA and the sawing and

drilling industry will undoubtedly see further changes

in technology and business practices, creating a new

generation of professionals with different needs.

it is incumbent on today’s leaders to provide this

next generation with the tools necessary to maxi-

mize the industry’s growth and professionalism in

the future. we must proactively plan ahead to ensure

csDA and the sawing and drilling industry will con-

tinue to thrive.

Because the thoughts and comments of individuals

like you have shaped the programs of csDA into the

successful benefits we offer today, we now turn to

you again to help guide our future. whether you are

a member of csDA or a reader of Concrete Openings,

email [email protected] to share your thoughts on the

sawing and drilling industry and csDA of the future.

what will it take for our association and our industry

to prosper for years to come?

the results from your emails to [email protected]

will be summarized and reported in a subsequent issue

of Concrete Openings. thanks for your help.

6 0 | septeMBer.08

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DiamondProd_CSDA ad.ps - 4/14/2008 9:34 AM


Husqvarna’s new WS 440 HF is setting a new standard for electric high cycle wall saws. The saw is based on a totally new technology, which gives the saw increased power for fast and efficient sawing. The powerful, water-cooled electric motor generates 17 horsepower to the shaft, despite the fact that the saw only weighs 55 pounds. The 9,000 rpm permanent magnitized motor delivers 100% power to the blade while cutting concrete or steel.

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A U G U S T. 0 7S E P T E M B E R . 0 8

Cutting Concrete for Concourse C

Core Drilling in ViCtoria, CanaDa

Flat Sawing For Subway ConneCtor

waShington State briDge retroFit

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