Mud Mountain Dam Sewage Lagoon Repair

The Mud Mountain Dam Sewage Lagoon Repair project, solicitation W912DW27QA006, is a firm fixed price contract issued by the US Army Corps of Engineers (USACE) and is 100% set aside for small businesses. The scope of work involves the cleaning, inspection, and repair of the sewage lagoon liner, specifically targeting leaks near the lowest elevation and the inlet pipe boot. The contractor must clean the bottom of the lagoon, repair any identified leaks, and perform comprehensive testing to return the facility to an operational state. All work must be completed within 45 calendar days of the Notice to Proceed, with a performance period scheduled from December 7, 2026, to January 21, 2027, at the Mud Mountain Dam site in Enumclaw, Washington. Award will be granted to the lowest priced quote that achieves an acceptable rating for technical experience and past performance. To be eligible, quoters must demonstrate experience in cleaning and sanitizing sewage lagoons and repairing geosynthetic liners, providing evidence of one to three projects completed within the last 10 years. Additionally, the lead seamer must hold an IAGI Certified Welding Technician certification, a manufacturer's installer certification, or have three years of documented HDPE liner experience. The project requires adherence to strict quality standards, including ASTM D6392, D5641, and D4437, and compliance with USACE Safety and Health Requirements Manual EM 385-1-1 and the Davis-Bacon Act.