2021 Treatment Plant Improvements Project (CIP 20708)

The general scope of work for this project includes replacement of three polymer storage tanks; replacement of concrete tank bases; connection of tanks to existing fill, recirculation, and suction piping; construction of temporary polymer storage tank and associated piping; demolition of existing tanks and concrete bases; concrete coating; and replacement of existing ultrasonic level sensor and transmitter. Also included in the scope of work is the replacement of three 36-inch diameter butterfly diversion valves located within the treatment plant gallery.


Bidding Closed

Prebid Date1/12/21 2:00pm

Bid Date2/2/21 2:00pm

Company & Contacts

Karl Ono  


Napa, CA

A mandatory pre-bid web-meeting will be held at 2:00 pm on January 12, 2021 via the following link:


The estimated cost of construction is $770,000.