Expansion of the Rio Vista Water Treatment Plant to double capacity. The project included demolition
and removal of existing water and sludge pump stations with related piping. Modifications of existing PLC
panel at the CLWA Valve Vault #2 at Newhall Ranch Site. Rio Vista Pump Station upgrades and removal and
closure of an underground storage tank.
Installations included a new 8,000 gallon above ground fuel storage tank, new raw water pumps, a
new 2MW Engine Generator switch gear upgrades, ventilation systems and related work. New ozone
generation and feed station, new chlorine storage and feed system building, wash water recovery basin
and modifications to existing basins. Construction of a new clarifier and filter building, including 6 new
clarifiers and filters. Upgrades to existing chemical storage and delivery systems.