Gilroy Wastewater Treatment Plant Expansion
Expansion of a wastewater treatment plant from 8.5 MGD to 11 MGD. Construction includes a new membrane bioreactor (MBR) complex with new headworks, solids dewatering, and electrical buildings. Scope also covers new structures for oxidation, membrane equipment, blowers, utility/WAS/MLT pump station, chemical facilities and emergency power.
San Jose Nitrification Clarifiers Rehabilitation Phase 1
Complete rehabilitation of eight clarifiers and partial rehabilitation of eight clarifiers and associated facilities for one of the largest wastewater treatment facilities in the western U.S.
Las Positas College Agriculture Science Horticulture Facility
Construction of the LEED Silver designed all new Horticulture Facility featuring classrooms, labs, offices resource area, a greenhouse, plus outdoor growing areas and learning patio for students to practice cultivation through hands-on learning. Scope also covered a new parking lot, sitework, and utilities.
Las Positas College Public Safety Complex & Advanced Manufacturing Transportation Facility
Preconstruction and construction services for the new Public Safety Complex (PSC) and Advanced Manufacturing and Transportation (AMT) Buildings, which are co-located to allow for shared linkages between programs, classrooms, and training spaces. The PSC features a 2,400 SF, three-story fire training tower, EMS Simulation Lab and Situation Rooms, Fire Training with “Class A” burn areas, […]
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 […]
Piedmont High School Alan Harvey Theater
This phased, occupied campus project included preconstruction and construction services for the new new 22,700 SF theater complete with stage, 452 seats, drama classroom, green room, restrooms, conference room, and department offices. The new theater features a large, state-of-the-art auditorium with recessed tiered concrete seating structure, orchestra pits, acoustical paneling, modern A/V system, sound control […]
Viral Rickettsial Lab
Upgrade and expansion of an existing Biosafety Level-3 (BSL-3) Laboratory located on the third floor of the California Department of General Services laboratory facility. Approximately 2,000 SF of existing laboratory space was demolished and replaced with a new BSL-3 laboratory. The new facility features three laboratories and one work room that has infrastructure in place […]
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 […]
Oakland Unified School District Central Kitchen, Instructional Farm, and Education Center
Preconstruction and construction services for the new, 43,000 SF, single-story, centralized kitchen and food distribution facility for the entire Oakland Unified School District. The facility includes 40,000 SF of kitchen space with 450 different kitchen equipment items and 20+ building operational systems; 5,000 SF of administration offices, classrooms, demonstration prep spaces, administrative support spaces; and […]
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 […]
