Pictured (L to R): Art Vasconcelos – Clark Construction, Chad Urroz – The Conco Companies, Eric Gutierrez – The Conco Companies, Rick Parker – The Conco Companies and Steve Lode – Calportland.
The Conco Companies is proud to announce that the new “LA Federal Court House” project in downtown Los Angeles has won the “2016 Outstanding Achievement and Excellence in Concrete Construction” award presented by the Southern California ACI chapter.
Furthermore, the project has also been selected by the committee to compete at the national level at the 2017 ACI National convention, which will be hosted in Anaheim, CA.
The floating Cube
The project, also called by the Angelinos “The floating Cube” was designed to address the federal government’s blast and set-back requirements, which gives it its unique cantilevered look. We would like to thank our partners at Clark Construction and Skidmore, Owings & Merrill design group for their forward thinking on design, innovation, and coordination needed on this new Los Angeles landmark.
Stay Tuned as the project competes at the 2017 ACI National Convention!
The American Subcontractors Association of Southern California has recently recognized The Conco Companies as one of the three finalists for Subcontractors of the year Award, and has also recognized Mr. Bob French as one of the three finalists for Superintendent of the Year Award at ASA’s seventeenth Gala Award dinner held on November 17, 2016.
We are very honored to be recipients of these awards, and thank the construction community for their continuous support and trust they have built in our organization.
A special congratulations to Bob French, who has shown great leadership in our industry over the years.
Just one year ago, on November 8, 2015, The Conco Companies completed the 12,000 cubic-yard mat pour for the new Salesforce Tower and set a record for the largest continuously pumped foundation in San Francisco’s history. Now one year later, Conco is proud to report that we successfully completed the final core wall pour and have topped off the concrete portion of the 1,070’ office high-rise to officially make it the tallest building in San Francisco.
The video above is a timelapse depiction of the last full core wall lift. The self-climbing form system used at Salesforce Tower in San Francisco is a unique construction method that has allowed for a pour cycle, also known as a “lift”, to be completed once every 3 days. This self-climbing form system is secured to the existing concrete wall below. It then raises itself in increments of 15 feet. Each section of this system, exterior and interior, move independently of the others. The less complex exterior sections take 20 minutes to complete a jump and the larger, more complex, interior system takes roughly 45 minutes to jump. When the jump is complete, the panels are aligned and secured allowing for the walls to be closed and a pour to take place. Due to a combination of characteristics from the concrete being poured and from the system itself, the cycle is able to begin again just 6-8 hours after the pour takes place.
Accomplishing this tremendous feat required exceptional organization, management and execution on the part of the entire Conco team from the very top, right down to our dedicated rebar, formwork, pump operators and placement crews. The support, partnership and collaborative effort of Clark/Hathaway Dinwiddie, a Joint Venture, the project’s general contractor, further contributed to our success. We also acknowledge the cooperation of our other trade partners, our concrete supplier CEMEX, and the project owner, Boston Properties.
To effectively and efficiently pump concrete to the upper floors of the Tower, we used the most powerful concrete stationary pumps in the industry. Furthermore, the fast-paced schedule required us to complete two floors a week, which meant a 3-day work cycle for each floor. The accelerated pace left no room for error and took the efforts of our whole team.
The building’s 14-foot 9-inch floor-to-floor heights allow for approximately 13-foot unfinished ceilings. Conco’s crew used high-strength self-consolidating concrete inside the core walls and lightweight deck-fill concrete on all floors.
Last November’s massive 12,000 cubic-yard mat pour produced a foundation that rests on 42 load-bearing elements (LBE’s) drilled 265 feet down into bedrock. The extensive site work also required more than six million pounds of reinforcing steel, mostly consisting of #18 bars (2.25 inch diameter), woven into the 14-ft. thick mat.
In addition to our extensive concrete services for the Salesforce Tower, Conco topped off the 73-story Wilshire Grand in Los Angeles earlier this year as well as placing the building’s 21,200 cubic-yard foundation in February of 2014. Conco is honored to play such a significant role in these remarkable skyscrapers that will be the tallest structures in their respective cities and the two tallest buildings west of the Mississippi River.
Conco is a leading supplier of concrete services for the Western U.S. We got our start in the Bay Area in 1959 by offering clients the best value on a wide range of concrete services and products. Since that time, we have taken a leading role as one of the top concrete contractors in the region. We have four regional offices serving California, Nevada, Washington, Oregon and Colorado.
The Conco Companies is currently providing concrete services for what is slated to become the tallest tower south of Interstate 90 and north of Tacoma as well as the first Class A high-rise to be built in South King County. The $120 million Washington Place project, located at 223 Andover Park E. in Tukwila, WA, will be a mixed-use 19-story building with a 189-room hotel, 370 residential units and a four-story parking garage that will accommodate 300 vehicles.
The project is being developed by Omar and Christine Lee and the architect is Seattle based Group West. Absher Construction Company serves as the general contractor. The groundbreaking ceremony for the 418,000 square-foot project was held on September 25, 2014, and it is scheduled for completion in spring of 2017.
In addition to the business-class hotel and apartment units, the project will include a 90-seat restaurant, meeting space and a rooftop garden. The hotel will occupy the first through 11th floors with the residential apartments on floors 12-18. The top floor will offer amenities for the residents and hotel guests including a lounge, clubs, and exercise room. There will be a pool at ground-level.
Washington Place is located within easy walking distance to The Westfield Southcenter mall, entertainment, and a bus transit center. In addition a pedestrian/bicycle bridge is under construction by the city of Tukwila, which will go from Southcenter all the way to the Sounder rail and bus station.
At The Conco Companies, we are one of the leading concrete contractors in the Western U.S. and offer a wide range of quality services and products. Our experience includes providing services for commercial, educational, parking and other construction development as well as public works projects. We serve California, Washington State, Oregon, Colorado and Nevada.
The Conco Companies is providing concrete services for the parking structure and office space at Southport on Lake Washington adjacent to the Hyatt Regency Lake Washington at Southport hotel. Situated on the south shore of Lake Washington, the waterfront property is a mixed-use development that will consist of the three, 9-story buildings totaling 728,769 square feet of Class “A” office space and the 347-room hotel. The new construction is in addition to the 383-units of luxury, multifamily housing that was completed in 2008.
Off-site road improvements and utility work began in January of 2015, and construction started in January 2016. Office space will be available for occupancy in 2018. The project is being developed by the Washington based company, SECO Development, INC. Project’s architect is ZGF Architects LLP, a design firm that focuses on architecture, interior design, and urban design. The general contractor is Exxel Pacific, a leading West Coast commercial construction company.
The parking structure for the hotel and office towers will provide approximately 2,120 structured parking spaces to give the complex a parking ratio of 2.7/1,000 usable square feet. Each of the buildings will have dedicated access to the parking structure from the podium lobbies.
The Southport development is in Renton, Washington, and is strategically positioned between Seattle and Bellevue as well as centrally located to the area’s largest high-tech employers in Greater Seattle. It offers direct access to Interstate 405, and is minutes away from the I-5, I-90 and SR-900. Furthermore, the Seattle International Airport is just a quick 10-minute drive. Once the project is complete, it will feature four restaurants and first floor retail space and is within walking distance of an additional 31 restaurants and 43 retail shops.
Our mission is to be the best supplier of concrete services in the Western United States and to bring experience, expertise and quality to each project. We continue to upgrade and expand facilities to better serve the growing market for public works projects, commercial, educational, parking structures, and other construction development. We have four regional offices serving California, Oregon, Nevada, Colorado and Washington.