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The Conco Companies are providing concrete services for a new office building in downtown San Francisco located at 350 Bush Street. The new 20-story high-rise will have 18 floors of office space, one lobby level, and a roof terrace as well as a two-level subgrade parking structure. In addition as the office tower will incorporate the San Francisco Mining Exchange, a historic landmark, as its primary entrance, the project also includes the “Historic Renovation of San Francisco Mining Exchange Building.”

The client on the project is the Lincoln Property Company and Hathaway Dinwiddie is serving as the general contractor. The project was designed by the architectural firm of Heller Manus Architects and integrates the terra cotta façade and the columns of the landmark building with the office tower. The plan calls for a grand lobby in the historic exchange hall as well as a galleria at the street level. Once complete, the project will include 469,000 square feet of new and renovated space and will be a balance of antique and modern. The building is seeking LEED Platinum certification and will feature a number of environmentally advanced technologies.

The Mining Exchange building was constructed in 1923 and for a short time was used as the Stock Exchange. It was designed by Miller & Pflueger, an architectural firm that designed a number of significant S.F. buildings of the time and closely resembles the New York Stock Exchange that had been constructed twenty years earlier.

Through the years, the building was used for the San Francisco Curb Exchange from 1928-1938, the San Francisco Chamber of Commerce from 1938-1967, and finally the Western Title Insurance from 1967-1979. It has sat empty since 1979.

Conco’s 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.

The Conco Companies is providing concrete services for The Mark, a 48-story high-rise tower in Seattle, WA that will consist of 528,000 sq. ft. of Class A+ office space, as well as a luxurious 189-room SLS hotel and spa. Conveniently located in the city’s central business district, the stunning beautifully designed tower will incorporate a wide range of “green” building features such as rain water management, photovoltaic glass and light pollution reduction. Scheduled for completion in April, 2017, the tower will bring to the area first-class office space that is highly divisible and offers 9’ 6” windows for natural light and spectacular views.

The 5,000 cubic yard mat foundation pour was completed in June, 2015 and required approximately 500 truckloads of concrete over the course of the day. The project also includes a sub-level parking structure comprised of shotcrete perimeter walls and a concrete elevator core. As of May 2016, Levels 5-11 decks have been poured and the core poured to Level 35. When the elevator core reaches Level 35, the remainder of the building steel will be erected in one continuous phase.

The building’s unique geometric facade provides exterior seismic bracing for structural safety as well as column-free floor plates. Unobstructed by columns or bracing, the 13’ 6” floor-to-floor heights will allow for individualized, open plans or heavy build-outs. The Mark is seeking LEED Gold Certification.

The SLS hotel will be a collaborative effort from the Founder and CEO Sam Nazarian, renowned designer Philippe Starck, and chef James Beard. The hotel will also include 15,000 sq. ft. of meeting space, a 5,000 sq. ft. ballroom, sky lounge and two restaurants. Adjacent to the SLS Hotel are two historic buildings. A century-old sanctuary building, the First United Methodist Church, and the Rainier Club. Founded in 1888, the Rainer Club has occupied their current building since 1904.

Additional information is available at http://www.themarkseattle.com/.

The Conco Companies is one of the foremost suppliers of concrete services for the Western U.S. We began operations in 1959 in the Bay Area by offering clients the best value on a broad range of concrete services and products. Since that time, we have taken a leading role as top concrete contractors in the region. We have four regional offices serving California, Oregon, Nevada, Colorado and Washington.

The Conco Companies bring vast concrete services experience to the Kinects Tower, a new mixed-use 41-story high-rise under construction in the Denny Triangle area of Seattle, WA. The project is designed by Bumgardner, a Seattle based architectural firm and developed by Security Properties. Once complete, the 500,000 sq. ft. high-rise tower will consist of 356 multi-family units varying from studios to luxury penthouse suites located on the top two floors as well as 4,658 sq. ft. of retail space on the ground level. The completion is scheduled for 2017.

Conco will be constructing four levels of below grade parking and five levels above to provide the building with 316 parking stalls. Working 16 hours straight, we recently completed the 6,000 cubic yard concrete mat pour. Due to our detailed pre-planning and highly experienced management, the pour was a very routine event, which was exactly the result we wanted.

Furthermore, we are proud to report that we received positive feedback from the City of Seattle’s DOT. They have told us this was the best-coordinated and smoothest run mat pour that they can remember. During the course of the project, Conco will place 30,470 cubic yards of concrete, 3,106 tons of rebar and 671,500 ft. of PT cable.

Bumgardner explains that the 440 ft. tall tower was designed to serve as a “highly visible gateway to downtown Seattle, and will reconnect the Capitol Hill neighborhood to downtown with a strong street level presence.” The building’s unique shape of three sides sloping outward means it will have more square footage on the upper levels than below. In addition the Tower will feature a rooftop swimming pool, lounge and observation deck.

The-Kinects-Tower-Pour-The-Conco-Companies

The Conco Companies are a leading supplier of concrete services for the Western U.S. and was started 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 currently serve California, Washington, Oregon, Nevada and Colorado.

The-Conco-Companies-New-Los-Angeles-Federal-Courthouse-Steel-Topping-Out-The-Cube.jpg

On March 13th, the Local 433 Steel and 416 Rebar Ironworkers celebrated the “topping out” of the U.S. Federal Courthouse that is currently under construction in Downtown Los Angeles. The steel erection of the final two levels started in February, and according to Clark Construction, who is providing the design-build services on the project, presented “some of the more complicated assembly requirements.” The Conco Companies are providing various concrete services for the project.

Known as the “Cube” for its unique shape, the $400 million project will be one of the safest buildings in terms of bomb threats or earthquakes with an innovative design that permits the cubic volume to “float” over a stone base. The project broke ground on August 2013 and is scheduled for completion in 2016. Located on a 3.6-acre site, the 10-story courthouse will include 24 courtrooms and 32 chambers for judges as well as housing district judges, jury assembly facilities, and offices for the U.S. Marshals.

The project has already earned a Green Good Design award for Green Architecture in 2014. The nomination was submitted by the building’s architect, Skidmore, Owings & Merrill, LLP (SOM). Designed to earn LEED Platinum certification, SOM included numerous sustainable features such as “a serrated façade that reduces solar heat gain by nearly fifty percent and a sky-lit central courtyard at the structure’s core, which will provide natural light and circulation to the building’s interior spaces.” Furthermore, the courthouse is designed with water and electricity conservation strategies as well as a roof-mounted 400 kilowatt photovoltaic array.

The 630,000 GSF building will also have one level of below-grade parking. In addition seismic design was a part of the structural engineering process because of the building’s location. SOM designed and engineered a state-of-the-art roof truss system to control lateral drifts.

Additional Photos:

The Conco Companies New Los Angeles Federal Courthouse Steel Topping Out 2

The Conco Companies New Los Angeles Federal Courthouse Steel Topping Out Employees

The Conco Companies New Los Angeles Federal Courthouse Steel Topping Out Group Shot

The Conco Companies New Los Angeles Federal Courthouse Steel Topping Out Employee Signatures 2

The Conco Companies New Los Angeles Federal Courthouse Steel Topping Out Employee Signatures

When your project demands exceptional services and the best value, Conco can deliver. We have been offering premium concrete services throughout the Western U.S. since 1959, and have four region offices serving California, Oregon, Washington, Nevada and Colorado. With state-of-the-art equipment and modern facilities, we work diligently to meet goals and stay within budget.

The Conco Companies are currently providing concrete services for the new 6-story Stadium Tech Center, in Santa Clara, CA. Located in the heart of Silicon Valley, the speculative Class A office building broke ground in March, 2014 and is expected to be completed in October, 2015. Spear Street Capital, the San Francisco-based real estate investment company is developing the property and ARC TEC is the architect. The South Bay Construction Company is the general contractor.

As a part of the project, Conco is constructing the parking structure, which will have one level of podium parking and 3 levels below grade for a total of 1,084 parking stalls. In addition we will provide 442,165 square feet of cast-in-place slabs, 169,014 square feet of slab-on-metal deck, and 35,054 cubic yards of concrete. Floors will have a slab-to-slab height of 14′ – 16′.

The new Center will incorporate cutting edge architectural details and feature 35,000 – 38,000 sq. ft. floor plates and a flexible open plan with 226,500 sq. ft. of column free space. Also the building’s floor to ceiling glass will offer 360 degree views. The energy-efficient design is prequalified for LEED certification.

Located on a 12.35 acre site, the Center has direct access off Highway 237 and is just a short walking distance from the new 49ers Levi Stadium and Joe Montana’s “Centennial Gateway” luxury hotel and entertainment complex. Highlights of the building include a state-of-the-art lifestyle fitness center and café as well as full access to the existing campus amenities such as a full-service cafeteria, bocce ball court, outdoor recreational areas and jogging trail.

We are a leading supplier of concrete services for the Western U.S. and 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 currently serve California, Washington, Oregon, Nevada and Colorado.

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