February 12, 2014by The Conco Companies

At The Conco Companies we continue to be a forerunner in the industry with the recently acquired Stud Rail Fabrication certification for our state-of-the-art rebar fabrication facility located in Benicia, CA.  We are among only a handful of manufacturers throughout the industry that have obtained this certification.   Our Rochester, WA plant is in the process of pursuing the same approval and hopes to have certification by June 2014.

The Stud Rail certification provides a cost-effective solution that simplifies the method of reinforcement for flat concrete slabs against punching shear at the column connection.  The prefabricated stud rail assemblies provide the potential for less congestion and increased design flexibility.

Stud Rails Assemblies are an effective way of reinforcing flat concrete slabs against punching shear at column locations.  The loads on a concrete slab supported by concrete columns generate shear stresses in the slab.  The Punching Shear Studs are a predetermined length and diameter according to design specifications and are in compliance with IBC and UBC Structural Steel Welding Standards.  They are used to extend the column perimeter into the floor or foundation slab and have low requirements in terms of formwork and reinforcement.  To simplify system design, manufacturers provide free calculation software and other technical support to generate design placing sheets.

With the recent uptake in construction projects getting off the ground, Conco is pleased to acquire another innovative technique to aid in delivering efficiency and cost savings to our clients.   We are an approved equal for any project not referencing our ESR-3317 report.  A simple substitution request and a copy of the ESR-3317 is all that is required for us to get formal approval to provide those services.

Conco is one of the leading concrete contractors in the Bay Area offering a range of innovative, quality servicesWe have been honored to work on many high-profile projects and were recently awarded the concrete package for the San Francisco 49ers Stadium.  Our concrete services include commercial, educational, parking and other construction development as well as public works projects.


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January 20, 2014by The Conco Companies

The former Riverside Continuation High School not only has a brand new building, but it also has a new name.  As part of the Pittsburg Unified School District in Pittsburg, CA, the new Black Diamond High School opened its doors to students in time for the start of the new 2012 school year.  It is an alternative school that serves students in grades 9-12 that are ages 16 to 18 years old.

Conco Rebar Fabrication

The old Riverside High School building was in a deteriorated state when the decision was made to totally replace the structure with a new 34,000 sq. ft. state-of-the-art facility.  The contractor for the project was Broward Builders, Inc. and the architect was California Design West.  The building was engineered by Buehler and Buehler Structural Engineers.  Conco was brought in to provide concrete services on the new structure.

The project was completed in slightly under a year from the groundbreaking in August of 2011.  The construction team worked diligently throughout the project to effectively meet all timelines and to stay on budget.   According to California Design West, the new campus features a steel framed building and walls that are a brick/CMU veneer.  There is a large, enclosed courtyard tastefully landscaped and clerestory windows in the breezeway.

In total, the building has 19 general classrooms and two special education rooms, an up-to-date media center, and a large multipurpose/cafeteria complete with a prep kitchen. Furthermore the new school was provided with a designated area for a child development program with its own outdoor playground.  Conco recognizes that while this was not one of our large-sized or well-known projects, we are proud of our continued commitment to provide exemplary concrete services that enhance and benefit our communities.

Conco’s team of professional concrete contractors in the Portland area brings the highest level of integrity and principles to each project from pre-construction to finish.  With the rapidly growing construction market, Conco is taking an active role in the Portland area with our expansion of high-quality commercial concrete services.


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