Imperial County
Bid Date: 08/22/2024 at 02:00pm
Trades: Class A - *General Engineering Contractor GEC; Subcontractor Opportunities
Base Bid Improvements: 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. 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. Demolition, removal and disposal of the existing Filter Unit No. 2. Temporary removal of a portion of the existing filter area roof structure as necessary to accommodate installation of new filter unit. Construction of new reinforced concrete housekeeping pad and EPDM pad in location of new Filter Unit No. 2. Installation of new Filter Unit No. 2 on top of new housekeeping pad and EPDM pad. Installation of new PSV discharge piping and connection to existing drain lines. Modification of existing raised walkways to accommodate the new Filter Unit No. 2. 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.Modification and connection to existing influent, effluent, and backwash piping, as well as other filter unit appurtenances. Installation of new electrical controls and integration with existing electrical and controls system. Testing and commissioning of new Filter Unit No. 2. Reinstallation of filter area roof structure. Bonds required.
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Owner: City of Westmorland CA
Published 08/01/2024 on Construction Bid Source
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