The Bay Area’s first geothermal heat exchange systems was created for the San Francisco Community College District. The construction consisted of a closed loop geothermal system which uses the core temperature of the earth to reduce the amount of energy needed in order to supply heating or cooling to the Central Utility Plant at City […]
Balboa Reservoir Site Development Geothermal Heat Exchange System Read More »
PrōVen constructed a new electrical substation, electrical and telecommunications duct banks, as well as electrical cables and equipment. PrōVen also completed excavation and backfilling, utility trenches, locating existing utilities, removal of 12kV existing cable and furnishing and installing new metal clad switchgear and 12kV electrical cables. PrōVen successfully managed the project despite specific challenges with air traffic
SFO Electrical Power Distribution Improvement System Read More »
PrōVen provided an eight-million gallon water storage tank and installed solenoid pilot valves on each of the existing three tanks; constructed new pavement and driveway, fencing, landscaping, and landscape irrigation. The Booster Pump modifications included 24-inch suction manifold replacement, new gate valves, a new sump pump with valve and discharge piping, and installed electrical service
4th Water Storage Tank & Water Booster Pump Station Modification Read More »
PrōVen constructed a 140-million gallons per day Vortex Grit Tank Structure consisting of two 70-MGD Vortex Grit Tanks, all mechanical, structural, and electrical/control components. PrōVen also rehabilitated the existing bypass channel; provided new butterfly valves; gallery drain improvements; and site improvements. Work involved activities and connections to the existing wastewater facilities. All safety regulations were
Main Waste Water Treatment Plant, Grit System Improvements Read More »
This project included the repair and upgrade of a section of the Colma Creek at Spruce Avenue Bridge. The existing concrete wall was removed and replaced with a concrete “U” channel, which created a concrete floor where the existing earthen bottom was. PrōVen also replaced the failing walls with new ones. The U-shaped wall construction
Colma Creek Flood Control Channel Wall Repair Read More »
CSLB License Numbers:
Lic# A749370
Lic# B749370
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