SAM #W912DW27QA006

Mud Mountain Dam Sewage Lagoon Cleaning, Inspection, and Repair

The U.S. Army Corps of Engineers is seeking small-business services to restore the Mud Mountain Dam sewage lagoon in Washington. - Government buyer: U.S. Army Corps of Engineers, Seattle District; W071 ENDIST Seattle KO Contracting Division. The notice identifies Whitny Hart. - Scope: Clean and inspect the lagoon, repair its liner and accessories, and return the system to working condition. - Products and quantities: Replace two broken PVC inlet pipes and fittings; provide one 45-pound pail of compatible chlorination tablets; replace the chlorinator with a SANURIL Model 100 or equivalent. The reference drawings also identify SANURIL 115 tablets and a Model 100 chlorinator. - Existing/reference materials: As-built documents identify GSE 40-mil HDPE geomembrane, with panels covering 8,143.75 square feet, and 40-mil HDPE liner boots. No replacement quantities are specified for these materials. - Work requirements: Clear the clogged outlet pipe; inspect and repair liner defects and replace defective pipe boots as needed; restore gravel and reinstall the aerator. Required checks include visual inspections, seam tests, vacuum-box and applicable air-lance tests, and controlled water-hold tests. - Performance and warranty: Complete work within 45 calendar days of Notice to Proceed and provide a one-year warranty against material or workmanship defects. - Eligibility: The opportunity is set aside for small businesses.

Description

This requirement is for the cleaning, inspection, and repair of the Mud Mountain Dam Sewage Lagoon. 

A site visit will be offered on 17 November 2026, see attachment for information and registration. 

Please pay attention to: Section L, Section M, and FAR 52.228-13 in the solicitation. 

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