Pump Station 300B and Tassajara Road Pipeline CIP 620C530 and 05-6202 Zone 3 Potable Water Main – $2,175,000 budgeted Potable Water Reservoir 20B and Water Pump Station 300B – $5,000,000 budgeted

Provide potable water service reliability for eastern Dublin and Dougherty Valley by constructing the following: approximately 6,500 linear feet of 20–inch Zone 3 potable water main on Tassajara Road from Windemere Parkway to Fallon Road; 1.5 million gallon water storage reservoir; and, 4.71 million gallons per day pump station.  

View Study (18.4 Mg pdf)
More...
Notice of Availability and Public Hearing

Pump Station Improvements in Pressure Zones 2 and 3

The Notice Inviting Bids for the Pump Station Improvements in Zones 2 & 3 Project (CIP 06-6101) will be advertised on Friday, March 21, 2008.

• Bid documents may be purchased for a non-refundable fee of $65 from Studio Blue Reprographics, 7132-A Johnson Drive, Pleasanton, CA 94588. Phone (925) 463-9660.
• Bids are due to the District Office by 2:00 PM on Tuesday, April 22, 2008.
• The Engineer’s Estimate for this project is $1,730,000.
• The pre-bid conference will be held at 10:00 AM on Thursday, April 10, 2008, at the District Office.
• The Project Manager is Rudy Portugal, DSRSD.

All requests for interpretation/technical questions must be in writing and faxed to:

Paul Friedlander, WBA

FAX: 925/945-7415

The Project Information Line (Ext. 2110) has been updated. Please transfer callers inquiring about this bid to this extension or to our Internet website.

Notice Inviting Bids
View Study
Map.

Water Pump Station 4A and Water Reservoir 4A – $2,700,000 total estimated cost

Located half a mile beyond the current western end of Dublin Blvd, this 800 gallons-per-minute pump station and 700,000 gallon reservoir will provide potable water service to meet the development needs in western Dublin. The potable water pump station, water reservoir, and associated appurtenances will be designed and constructed for Pressure Zone 4 (which serves the highest level in our service area, between 740 and 1,000 feet above sea level) in Schaefer Ranch.  

more...

Relief Sewer on Dublin Blvd –– $2,655,000 total estimated cost

In order to relieve current maintenance deficiencies in the existing sewer main in Dublin Boulevard from Hansen Drive to Interstate 680 and provide additional capacity for future developments approved by the City of Dublin in western Dublin (e.g., Schaefer Ranch and West Dublin BART Station). The District will design and replace 4,640 feet of existing 8–inch and 10–inch sanitary sewer mains with new 12–inch sanitary sewer main in Dublin Blvd from Interstate 680 to Hansen Drive and install 1,160 feet of new 12–inch sanitary sewer main in Dublin Blvd from Hansen Drive to Silvergate Drive.  

more...

New Bar Screen – $2,000,000 budgeted

Design and construct a new bar screen system at the wastewater treatment plant because the existing system has been problematic since installation and startup and has consumed an excessive amount of wastewater treatment plant operators’ time and maintenance staff resources.  

more...

Alamo Creek Trunk Sewer Rehabilitation – $615,000 to $2.4 million (preliminary estimates, depending on the option selected)

Improve the pipe integrity and safety of the Alamo Creek flood control channel where a portion of the 36–inch trunk sewer which crosses Alamo Creek is currently exposed (above the surface) and prevent further hydrogen sulfide corrosion to the adjacent upstream and downstream segments of the sewer trunk main.  

More...
View Study...