Mount Saint Helens - Sediment Retention Structure Crest Raise

Solicitation W9127N26BA004 is an Invitation for Bid issued by the U.S. Army Corps of Engineers, Portland District, for the Mount Saint Helens Sediment Retention Structure Crest Raise project in Toutle, Washington. The project involves heavy civil engineering construction to raise the spillway crest, with a government estimate of approximately 38.2 million dollars. The scope of work includes mobilization, site preparation, water diversion, rock excavation, and the placement of dental and roller compacted concrete for either a 5-foot or 10-foot raise, depending on government decision. The performance period is 846 calendar days from the notice to proceed, with a start window of 10 calendar days. The contract is open for unrestricted competition with a 10 percent price evaluation preference for HUBZone small businesses. Technical requirements emphasize strict adherence to USACE EM 385-1-1 safety standards and a comprehensive Contractor Quality Control system involving preparatory, initial, and follow-up inspection phases. Bidders must comply with CMMC Level 1 cybersecurity self-assessment and prevailing wage rates for Cowlitz County. Key administrative requirements include electronic invoicing via the Resident Management System and mandatory personnel vetting and antiterrorism training for site access. Proposals must be submitted electronically in PDF format to the designated contracting officers.