Palm Springs Planet bids #BID 23-16

Wastewater Treatment Plant Clarifier Covers and Odor-Control Improvements

The City of Palm Springs is seeking construction services to improve odor control at its wastewater treatment plant. - Government buyer: City of Palm Springs, Engineering Services Department. - Project: Wastewater Treatment Plant Odor Control Improvements, City Project No. 23-16; estimated cost is $5.9 million. - Main work: Fabricate and install two aluminum covers over existing 100-foot primary clarifiers, install new launder covers, and demolish and dispose of existing clarifier walkways and launder covers. Add truss supports, safety-equipped access hatches, foul-air ductwork and supports, cover penetrations, and piping connections to the existing odor-control system; reroute affected spray lines and electrical conduit; and complete related structural, mechanical, and electrical work. - Named suppliers and OEMs: Leading Edge Safety, LLC; Daniel Company; Ameron Bondstrand; Engineering Composite Systems; Craneveyor Corp.; Enerco Metals; Golden Railings; Moultrie Manufacturing Co.; MSA; Sensidyne; SMC; and CST Industries, Inc. Named product categories include pipe/tube railings, FRP ductwork, aluminum guardrails, combustible gas monitors, and handrails. No specific part numbers or product quantities are provided for these categories. - Notable requirements: Keep wastewater treatment operating throughout construction, with only one clarifier out of service at a time; maintain that clarifier approximately 50% full and return it to service within 24 hours of City notification. The contractor must hold a California Class A license and have relevant experience with covers or containment structures at operating facilities. Complete the work within 250 working days after the Notice to Proceed; a one-year materials and workmanship guarantee is specified.

Description

The project involves fabricating and installing two aluminum flat covers over existing 100-foot primary clarifiers to improve odor control. Work includes demolition of existing launder covers and clarifier walkways, installation of new covers, ductwork connections to the existing odor control system, and electrical, structural, and mechanical modifications. Wastewater treatment operations must continue without interruption, and only one clarifier may be out of service at a time; that clarifier must remain approximately 50 percent full and return to service within 24 hours of City notification. The work must be completed within 250 working days.

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