Central Contra Costa Sanitary District Mechanical & Concrete Renovations

Construction of a temporary bypass pump station plus renovations and replacement of failing mechanical equipment. This included renovations of sluice gates and primary sedimentation guide rails, and the repair of Fiberglass Reinforced Plastic (FRP) odor control equipment, crack repair, concrete coating and permeation grouting. The final design included 11 diesel driven pumps that required full […]

Columbine Station Improvements

Columbine Station serves as the primary water storage facility for many residents in San Jose, CA. This project involves the demolition of the 19.6 million gallon concrete reservoir built in 1963 and the construction of two new 5 million gallon pre-stressed concrete water storage tanks. Upon completion, the new tanks will provide 10 million gallons […]

Manteca TCP Mitigation Project

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. Scope included start-up and commissioning of the new systems and associated improvements for five existing wells at four separate sites. Careful coordination of construction near and sometimes adjacent to […]

Marin Academy Aquatic Center

Replacement of an existing 90-year old pool on campus with a new 13-lane competitive swimming pool. Construction included an all-new support building to house locker rooms, shower and bathroom facilities, office space, mechanical equipment, plus delivery/storage areas. The Aquatic Center serves Marin Academy students, faculty, and staff in both athletic and academic endeavors while also […]

Central Contra Costa Sanitary District 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 NO. 86

New 10,856 SF LEED Silver designed fire station station to replace the existing Fire Protection District Fire Station #86. The one-story structure includes three apparatus bays, kitchen, dorm rooms, offices, restrooms, training, exercise, storage, day and dining rooms along with all associated HVAC, electrical, civil site work, and landscaping. The new station also includes an […]

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.

Las Positas College Agriculture Science Horticulture Facility

New 7,970 SF Horticulture Facility designed to achieve LEED Silver certification and includes new classrooms, labs, offices and resource area, a greenhouse, plus outdoor growing areas and learning patio. Scope also covers a new parking lot, sitework, and utilities.