San Leandro Civicplus #26-27.003

Fixed Film Reactor Demolition, Lead-Positive Media Storage, and Site Restoration

The City of San Leandro is seeking a contractor to remove and restore the existing fixed film reactor area at its Water Pollution Control Plant. - Government buyer: City of San Leandro, Public Works Department, Engineering Division. - Opportunity: Fixed Film Reactor Removal Project, Project No. 2026.6010; Bid No. 26-27.003. - Requested work: - Dismantle the existing trickling-filter reactor, including steel and concrete components and associated piping, conduits, and appurtenances; transport steel and concrete for recycling. - Remove and stack approximately 4,900 cubic yards of lead-positive plastic filter media onsite, at a maximum height of 6.5 feet. Its disposal is excluded and will be handled under a separate contract. - Build an onsite double-lined containment area of at least 22,000 square feet (approximately 225 by 100 feet), with a cover liner and perimeter erosion controls; leave it in place at completion. - Backfill demolition voids, regrade the reactor area and an additional 50-foot radius, and place a 3-inch lift of uniform-color ¾-inch gray rock over approximately 30,000 square feet. - Complete demobilization and site cleanup; the containment system and erosion controls remain onsite. - Notable requirements: Class A contractor license with Hazardous Certificate; project-specific lead-safe work and worker-protection requirements; required permits; prevailing wages; and bid security of at least 10% of the bid amount. - Schedule: Complete the work within 120 working days, with contractor site time limited to 60 days. - Estimated value: $430,000–$500,000. - OEMs and vendors: No OEM or product manufacturer is identified. East Bay Blueprint and Supply Co. is named as a source for printed plans and contract books, not as a project contractor.

Description

The City of San Leandro is seeking bids from qualified contractors for the Fixed Film Reactor Removal, Project 2026.6010. Work includes dismantling existing fixed film reactors, removing and recycling steel and concrete, and removing approximately 4,900 cubic yards of lead-positive plastic filter media for onsite storage in a contractor-constructed, double-lined area pending removal under a separate contract. The contractor must regrade the reactor area and an additional 50-foot radius, then place a 3-inch lift of uniform-color ¾-inch grey rock. A Class A contractor's license with Hazardous Certificate is required; the notice also specifies prevailing wages and a bid deposit of at least 10% of the bid amount.

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