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CKC's accomplishments have been published far and wide. We invite you to explore our highlights.
2012
CKC adds staff,
September 27, 2012
Al Leaverenz returned to CKC as Associate and BIM/CAD Manager. CKC hired Elaine Peng, PE, SE as Senior Design Engineer, Gregg Vernon as Senior CAD Designer, and Allison Tran as Administrative Assistant.
CKC adds staff,
July 5, 2012
CKC hired Joel Kipple, PE as a design engineer, Jacob Lanquin as a CAD designer/drafter, and Aiko Hollinger as an administrative assistant.
CKC winner in Excellence for Structural Engineering Awards,
June 9, 2012
The Structural Engineers Association of Illinois selected Escala as the Juror’s Favorite/Most Innovative Structure in their 2012 Awards Program announced June 9th at the annual awards banquet in Chicago. more
Escala Condos win engineering award, Seattle DJC, May 2, 2012
The Concrete Reinforcing Steel Institute selected Escala and CKC as 2012 National Design Award winner in the multi-family residential category. It’s the first building in North America to use 100-ksi steel for seismic confinement. more
Concrete Reinforcing Steel Institute announces 2012 Design Award winners, April 19, 2012
Evaluated on aesthetics, innovation, engineering achievement, functional excellence, and economy of construction, Escala won the National Design Award for multi-family residential projects. more
CKC adds staff,
Seattle DJC, March 21, 2012
CKC hired Andy Tu as a senior design engineer, Jerry Lee as a design engineer and Dave Youngblood as a CAD designer.
2011
McGuire misfortune spurs building code changes,
Seattle DJC, October 27, 2011
Corrosion of post-tensioning floor cables in the concrete structure of the McGuire Building caused it to be unsafe, and ultimately demolished. CKC is quoted as an expert in the story. more
Steel fiber will make shear walls faster, cheaper to build,
Seattle DJC, April 29, 2011
A new method for strengthening concrete shear walls has the potential not only to remove significant quantities of costly reinforcing steel, but also to make construction faster and easier. more
CKC wins ACEC Silver Award,
Seattle DJC, January 24,
2011
CKC won a Best in State Silver Award from the American Council of Engineering Companies for Vulcan Real Estate’s 2201 Westlake/Enso in recognition of original or innovative application of new or existing techniques. more
Creating successful projects in a difficult market,
Seattle DJC, October 28, 2010
Cary Kopczynski’s suggestions for staying relevant during a slow market. more
CKC Wins NCSEA National Finalist Award,
Seattle DJC, October 27, 2010
The National Council of Structural Engineers Association recognized Escala as the National Finalist for its unique seismic system combining frames, shear walls, and cantilever elements. more
CRSI Honors Concrete Projects,
Seattle DJC, March 5, 2010
The Concrete Reinforcing Steel Institute honored eleven projects in its biennial awards program. 2201 Westlake/Enso received an honorable mention for Commercial Buildings, the only award given in that project category.
CKC announces promotions & additions,
Seattle DJC, September 27, 2010
CKC promoted Martin Maingot to senior associate, Matt Hopper to associate, and added Jorge Gamboa as senior CAD designer.
New Residential Towers Employ High-Strength Rebar, Other Efficiencies,
Structure Magazine, January, 2010
Avalon Towers’ two towers, rising 25 and 16 floors, are not only one of the City of Bellevue’s first high-rise apartment projects, but also the first construction job in the U.S. to use high-strength, 90-ksi rebar product in the structure’s columns and shear walls for seismic confinement purposes.more
Coupling structural design with formwork efficiency,
Structural Engineer, January, 2010
Designers of cast-in-place concrete structures have a unique opportunity to shape not only the structure of the building, but the volume of materials used and its efficiency to construct. Martin Maingot discusses the constant search to build faster with less. more
CKC wins ACEC Gold Award,
Seattle DJC, January 25, 2010
Escala won the American Council of Engineering Companies Gold Award as a National finalist for Structural Systems from the 2010 ACEC Engineering Excellence Awards. more
High-Strength Rebar Market is Heating Up,
Engineering News Record (ENR), December 2, 2009
Gains made using 90-ksi and 100-ksi rebar for seismic confinement of high-strength concrete makes high-rise towers faster to build using less material. more
2201 Westlake gets LEED Gold,
Seattle DJC, October 22, 2009
The 450,000 square foot mixed-use project in South Lake Union has 300,000 square feet of office space, 135 luxury condos called Enso, 25,000 square feet of street-level retail, and underground parking.
Sustainability and Post-Tensioned Concrete,
PTI Journal, August, 2009
A case study about the use of post-tensioning as a green strategy on 2201 Westlake, a LEED Gold project. more
Revit Structure Fulfills BIM’s Promise,
Ideate Customer Success Story, 2009
CKC adopted Revit Structure for Building Information Modeling (BIM) to integrate the design process. more
Changes Coming in 2009 for Concrete Structures,
Seattle DJC, November 6, 2009
As a member of the American Concrete Institute’s Committee 318, Cary Kopczynski shares recently adopted changes that will become part of the International Building Code in 2009.more
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Living large featuring Kinects,
Condo Monde, 2008
A hybrid structural design proves to be the best solution for a residential tower that has bigger floors at the top. more
The First Green Condominium Building in Seattle,
PTI Journal, August 2008
A case study of Mosler Lofts’ structural system. more
Formwork Efficiencies,
Concrete International, June 2008
Thinking ahead about constructability can result in savings of time and materials during construction. more
The Tall, Gray, and Green Trends,
Structural Engineer, 2009
Martin Maingot reviews several approaches to designing structural systems that are faster to build and use less material which makes the projects more sustainable as well. more
Awards Showcase Trends in Concrete,
Portland Daily Journal of Commerce,
The Centennial Parking Plaza in Bend, Oregon won an award for parking structures from the Oregon Chapter of the American Concrete Institute and the Oregon Concrete & Aggregate Producers Association. more
Cary Kopczynski named as one of the “Top 25 Newsmakers” for 2007,
Engineering News Record (ENR), April 2008
The Centennial Parking Plaza in Bend, Oregon won an award for parking structures from the Oregon Chapter of the American Concrete Institute and the Oregon Concrete & Aggregate Producers Association. more
Listen to a Sky Radio interview with Cary Kopczynski ,
that aired on Northwest Airlines in April 2008 and on American Airlines in March 2008.
listen
The Cosmopolitan wins national award from PTI,
Seattle DJC, June 11, 2008
The Post Tensioning Institute recognized The Cosmopolitan and CKC with its residential building award during its annual awards program. more
High-strength rebar expanding options in concrete towers,
Structure Magazine, April 2008
A case study of Mosler Lofts’ structural system. more
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Buildable Design with BIM,
Autodesk Customer Success Story, 2007
With Revit Structure software, CKC gains extraordinary insight, improves communication, and increases productivity by up to 15 percent. more
High Strength Rebar Called Revolutionary,
Engineering News Record (ENR), September 3, 2007
CKC got the okay to use high-strength reinforcing steel for seismic confinement on a project two years before it was allowed by the existing code. more
Escala – Post-Tensioning is Obvious Choice for Seattle’s Largest Condominium Tower,
PTI Journal, July 2007
Thinking ahead about constructability can result in savings of time and materials during construction. more
Cosmopolitan Tower Wins at WACA 2007,
Seattle DJC, May 4, 2007
Cosmopolitan Tower won for cast-in-place structures at the annual Washington Aggregates and Concrete Association awards. more
Tower Design Breaks Out of the Box,
Seattle DJC, May 4, 2007
Advances in modeling software, high performance concrete, and advanced forming systems allow designers to design and build structures that go beyond the rectangular box while expanding the open space inside. more
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| Featured Article |
Cary Kopczynski has earned a reputation as a thought leader among structural engineers. Twenty years ago he wrote about the future of fibrous concrete. Today, the use of steel fiber to reduce th volume of rebar reinforcement is leading edge technology. It is being incorporated into the seismic link beams for a Seattle high-rise tower currently under construction. This is the first use of steel fiber for seismic link beams in the world.
Read Cary’s most recent article about the use of steel fiber in concrete.
Beyond rebar: a revolution in concrete
from Seattle DJC, April 15, 1992
Thousands of years ago, people discovered that by adding animal hair and straw to clay they could make bricks that wouldn’t crack as they dried.
This same technology, with different materials, is still in use. Adding steel or other fibers to concrete can improve its crack resistance, strength and ductility. In fact, extensive research into fibrous concrete over the last 20 years may soon result in dramatic changes in the way engineers and builders use concrete.
Fibers used for reinforcing concrete are of several basic types: steel, polypropylene, glass and natural materials such as cotton and wool. Research is also being conducted with a variety of other materials including carbon and graphite.
The primary value of adding fibers to concrete has to do with the enhanced ductility or toughness they impart. When used in heavier dosages they can also increase the cracking resistance and tensile strength of concrete. Improvements in strength can be as much as three or four times that of non-fibrous concrete. Improvements in ductility can be as much as 40 or more times that of non-fibrous concrete! read more
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