Manteca TCP Mitigation Project

This ENR award-winning project in the Water/Environment Category included design and construction of the installation of Granular Activated Carbon (GAC) treatment systems to treat and remove 1,2,3 -Trichloropropane (TCP) from City of Manteca, CA, groundwater and associated improvements for five existing wells at four separate sites. Careful coordination of construction near and sometimes adjacent to […]

El Portal Place

In a unique public-private partnership, Overaa renovated an old building in San Pablo to accommodate 54 residential units. The project provides permanent supportive housing for 60 people experiencing, or at risk of experiencing, homelessness. The design-build, adaptive reuse project reimagines the two-level, 27,000 SF building as a community of small residences of approximately 300 square […]

University of California, San Francisco – Mission Bay Building 23B Parking Structure

Design and construction of a 256,276 SF pre-cast hybrid parking structure in Mission Bay, a very congested area of San Francisco. The facility includes 882 parking stalls on nine-levels with two elevators. The exterior features DNA bar-code style custom glass cladding. Overaa self-performed the vertical poured-in place concrete and foundations. The project was awarded Excellence […]

University of California, Berkeley – Durant Student Apartments

Design and construction of a four-story student housing complex on a very tight urban site. The structure is immediately adjacent to the Hayward Fault and was designed to exceed the seismic standards of the current building codes. Building exteriors include architectural features that provide an attractive enhancement to the surrounding historic hillside district. Carefully constructed […]

Richmond City Hall

Design-build renovation and rehabilitation of a 70,000 SF steel-framed city hall and adjacent former police department into a new, seismically upgraded LEED Gold Essential Services Facility (ESF). Steel bracing and concrete shear walls were added, new exterior stone cladding was installed; existing historic brick cladding and MEP systems and interiors were restored; existing historic building […]

Genentech Parking Structures

Design and construction of two cast-in-place parking structures to accommodate biotech’s South San Francisco campus growth. Parking Structure I is a 165,000 SF, five-level, 489 stall facility. Parking Structure II is a 199,767 SF , seven-level, 640 stall facility. Combined, Overaa placed 14,900 CY of concrete on the projects.

Sutter Health Alta Bates Summit Medical Center Parking Structure

Design and construction of a 393,000 SF cast-in-place parking structure in a congested urban environment. The seven-level facility was built on an existing on-grade parking lot in the heart of an operating hospital campus. A multi-story hospital was also being built concurrently on-site. Careful coordination with Sutter Health services and adjacent contractors was required. The […]

Roseville Galleria Cliff Deck Parking

Design and construction of a 432,290 SF hybrid precast parking structure. The new five-level facility was engineered to accommodate a future sixth-level and includes a bridge connector to the adjacent mall. The 1,382 stall structure features different colored architectural pre-cast concrete panels, as well as architectural wire mesh and green screen systems. Overaa completed this […]

Catholic Healthcare West Sequoia Hospital Parking Garage

Design and construction of a 231,000 SF cast-in-place garage adjacent to a concurrent hospital expansion. The five-level, 670 stall facility features a compressed pallet of materials and colors for an overall architecture consistent with the existing hospital campus and adjacent residential properties. A combination of perforated precast panels and a stainless steel screen limit light […]

Mission Bay Block 27 Parking Structure

Design and construction of a 469,700 SF cast-in-place parking structure that serves adjacent laboratories and offices located within San Francisco’s Mission Bay redevelopment zone. The 1,423 stall, seven-level structure was built as part of a biotech development – extensive coordination with other project teams on the surrounding parcels was required as it was constructed concurrently […]