NOTICE INVITING SEALED BIDS FOR WTP WATER FILTER REPLACEMENT PROJECT
INVITATION TO BID
Sealed bids will be received at the Office of the City Clerk of the City of Westmorland, City
Hall, 355 S. Center Street, Westmorland, California until 2:00 PM Thursday, August 22, 2024 Monday, August 26, 2024
for the following project:
CITY OF WESTMORLAND WTP WATER FILTER REPLACEMENT PROJECT
The major improvements associated with this project are summarized in Specification Section
01010. A shortened listing of the major improvements as described in those two locations is
provided below:
Base Bid Improvements:
1. Temporary removal and reinstallation of existing raised walkways around Filter Unit No. 2 to allow for removal of existing filter unit and installation of new filter unit.
2. Coordination with City for performing short duration temporary WTP shutdowns for installation (and subsequent removal) on temporary above grade bypass pipeline (highlines) as necessary to accommodate continued WTP operation during construction of Filter Unit No. 2 replacement.
3. Demolition, removal and disposal of the existing Filter Unit No. 2.
4. Temporary removal of a portion of the existing filter area roof structure as necessary to accommodate installation of new filter unit.
5. Construction of new reinforced concrete housekeeping pad and EPDM pad in location of new Filter Unit No. 2.
6. Installation of new Filter Unit No. 2 on top of new housekeeping pad and EPDM pad.
7. Installation of new PSV discharge piping and connection to existing drain lines.
8. Modification of existing raised walkways to accommodate the new Filter Unit No. 2.
9. Modification and connection to existing influent, effluent, and backwash piping, as well as other filter unit appurtenances.
10. Installation of new electrical controls and integration with existing electrical and controls system.
11. Testing and commissioning of new Filter Unit No. 2.
12. Reinstallation of filter area roof structure.
Note to Contractor: The new Filter Unit No. 2 design is based on the contact clarifier/filter (filter
unit) design manufactured by AWC Water Solutions. Shop Drawings for this new filter unit have
already been prepared by AWC Water Solutions as part of the Contract Documents and have
been included in the Appendices to these specifications. The Contractor is required to furnish the new filter unit based on the AWC filter unit design, characteristics, specifications, and
supporting information that has been included in the Appendices herein. See Appendix A through Appendix E for reference.
Optional Improvements that Owner will authorize dependent on bids received for the
Base Bid Improvements
- Additive Bid Item #1: Furnishing of new WTP Control Building laptop with new HMI
software to control operation of filter units. Programming of new HMI software and
testing.
The Contractor shall possess a California Contractor’s License Class “A” at the time this contract is awarded. The contractor shall also have a business license issued by the City prior
to commencing work.
Bid Forms, Contract Plans and Specifications may be downloaded directly from the project’s
Planet Bids website. A link to the Bid Forms, Contract Plans, and Specifications will be included
on the City’s website. No bid will be received unless it is made on the Bid Form that is included
in the specification book.
Each bid must be accompanied by cash, cashier’s check or certified check made payable to the City or a bidder’s bond issued by a carrier licensed in the State of California with a rating of B+ or better as stated from time to time by Standard and Poors’, Moodys’ or Bests’ for an amount equal to at least ten percent (10%) of the amount of the bid.
The City of Westmorland reserves the right to reject any and all bids and to waive any irregularities or information in any bid or in the bidding.
If you have any questions, please do not hesitate to contact Westmorland’s City Hall at
760-344-3411.
Christine Pisch
City Clerk, City of Westmorland
Please select the link below to view specs and plans:
https://dudek.sharefile.com/share/getinfo/s1b397d34ef1c493f8ff69c836e803361
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