Renovation of a water / sewer project in Union City, California. Completed plans call for the renovation of a water / sewer project.

All bidders submitting a bid must purchase a paper copy of the Project Manual from the District prior to the bid opening date. A bid submitted to the District by a bidder who has not purchased a paper copy of the Project Manual or submitted on bid forms not included in the purchased paper copy of the Project Manual or subsequent addenda shall be considered non-responsive and shall be rejected by the District. Questions concerning this project should be directed to: Union Sanitary District Attn: Curtis Bosick 5072 Benson Road Union City, CA 94587 Phone: 510-477-7607 By: Jennifer Toy Secretary of the Board Union Sanitary District Date: June 25, 2019 Cost of Printed Plans & Specs: $150.00 The Project consists of construction of a new anaerobic digester, new sludge transfer pump station, new iron salts chemical facility, new hot water boiler, and associated structures, equipment, piping, electrical and control components. To accomplish this work the Contractor shall complete the work items indicated in the Contract Documents, including but not limited to the following: o Improve site soil conditions. o Construct new 2.4-million-gallon anaerobic digester with submerged-fixed concrete cover and waffle bottom. o Install new confined gas mixing system with four draft tubes and gas lance assemblies, two rotary liquid ring gas compressors, a recessed impeller foam suppression pump, and related items. o Install new heating recirculation system with spiral heat exchanger, two recessed impeller recirculation pumps, and related items. o Construct new sludge transfer pump station with digester transfer tank, three progressive cavity pumps, and related items. o Install new packaged watertube hot water boiler with two horizontal end suction centrifugal pumps and related items. o Construct new concrete equipment pad to the west of existing Heating and Mixing Building (HMB) No. 4 with built-in utility trenches, pre-engineered metal canopy, and associated drainage system. o Construct new ferrous/ferric (FE) chloride chemical facility with concrete secondary containment structure, 10,150-gallon fiberglass-reinforced plastic single walled tank, two chemical metering pumps, and related items. o Install new yard piping. o Connect new facilities/yard piping to existing digester feed, digester heating, sludge transfer, digester gas, natural gas, plant hot water, potable water, reclaimed water, and plant drainage systems. o Install digester gas and plant hot water temporary bypass systems to facilitate tie-ins to existing facilities/yard piping. o Install two new roof penetrations and related items at the existing secondary digesters. o Install new 480-volt motor control center with associated variable frequency drives, motor starters, and circuit breakers at the existing HMB No. 4 Electrical Room. o Provide new 480-volt power feed from existing Switchboard No. 3 (SWBD-3) switchboard to HMB No. 4. o Provide new 480-volt motor control center section with associated variable frequency drives and circuit breakers at the existing Thickener Electrical Building. o Install new RIO-20 cabinet in the existing HMB No. 4 Electrical Room. o Install new electrical and communication ductbanks. o Demolish and dispose of existing hot water boiler and related items. o Demolish existing concrete slab and digester gas piping located outdoors to the west of HMB No. 4. o Demolish and replace existing roofing for HMB No. 4. o Conduct site survey of all exterior below-grade facilities prior to excavation for new improvements. o Prepare and submit Record Drawings and Record Specification in electronic format. o Other miscellaneous improvements as shown and specified. The successful bidder will have Six Hundred and Ten (610) calendar days to complete the Project from the Notice to Proceed. Bids will be publicly opened, examined and declared on said day and hour, and will be referred to the District Board of Directors for subsequent action. Under California Laws and Regulations the District shall inform all prime contractors of public works, to the extent feasible of relevant public work requirements as listed in Section 00010 of the Contract Documents. Each bid must conform and be responsive to the invitation, the Plans and Specifications, and all documents comprising the Contract Documents. Each bid shall be presented under sealed cover and shall be accompanied by a certified check or bidder's bond, made payable to the District, in an amount not less than ten percent (10%) of the bid. The said check or bidder's bond shall be given as a guarantee that the successful bidder will execute the contract in conformity with the form of agreement contained within the contract documents, and will furnish bonds and insurance policies as specified within ten (10) days after notification of the award of the Contract to the successful bidder. Cost for work described in each addenda issued during the time of bidding shall be included in the Bid and the addenda shall become a part of the Contract documents. Bidders shall develop and submit bids at their own expense. The District will not reimburse any costs associated with the development and submittal of any and all Bids. The District reserves the sole right to reject any and all bids and to waive any informality in a bid. Copies of the Contract Documents are now on file and available for public inspection in the District Office, 5072 Benson Road, Union City, CA 94587-2508. A paper copy of the Contract Documents, including half size drawings, may be purchased at the District Office for a non-refundable $150 charge, which includes the appropriate State sales tax and UPS Ground shipping costs. Bidders can provide their UPS or Fed Ex account number for any overnight shipping but the charge will not be discounted. Partial sets of Bid Documents are not available from the District. Bidders may pay for plans and specs by sending a check made out to Union Sanitary District, 5072 Benson Road, Union City, California 94587, or by going to our website www.unionsanitary.ca.gov for payment by VISA or MASTERCARD credit card. The District has applied for and expects to receive Authorities to Construct (ATC) from the Bay Area Air Quality Management District for the addition of a new digester and replacement of an existing hot water boiler. No bidder may withdraw its bid for a period of one hundred and twenty (120) days after the date set for the opening thereof. At the successful Contractor's option, securities may be substituted for the required retention, in accordance with the provisions of Section 22300 of the State of California Public Contract Code. In accordance with the provisions of California Public Contract Code Section 3300, the District has determined that the Contractor shall possess, as a minimum, a valid Class A License. In accordance with the provisions of California Business and Professions Code Section 7028.15, a bid submitted to the District by a Contractor who is not licensed in accordance with Chapter 9 of the California Business and Professions Code shall be considered non-responsive and shall be rejected by the District.