CCCSD Filter Plant & Clearwell Improvements
Modifications to a wet weather holding basin plus the construction two 3 million gallon recycled water storage tanks, an electrical substation, and a motor control center to allow a 54 MGD treatment plant to allocate more of its treated water for recycled water uses within the community. Scope also included rehabilitations to pump stations and […]
Contra Costa County Fire Station #86, Bay Point
Construction of the new 10,856 SF LEED Silver designed fire station station that replaced the existing Fire Station #86. The project was delivered 3-months early and features a new one-story structure that includes three apparatus bays, kitchen, dorm rooms, offices, restrooms, training, exercise, storage, day and dining rooms. Scope also included all associated HVAC, electrical, […]
Brentwood WWTP Expansion Phase II
Expansion of a wastewater treatment plant from 5 MGD to 10 MGD. Scope includes modifying existing wastewater treatment facilities and constructing new wastewater facilities, including process structure and buildings, roads, civil/site work, and landscaping.
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 […]
