Prosser Creek Dam Basin Cleanup

The Bureau of Reclamation seeks removal of accumulated sediment, boulders, and debris from the Prosser Creek Dam spillway stilling basin in Truckee, California, with proposals due October 8, 2026, at 1:00 p.m. PDT. The procurement is restricted to Total Small Business concerns under FAR Clause 52.219-6, with a $37 million size standard.

The estimated price range is $250,000 to $500,000, firm-fixed-price. Place of performance is Prosser Creek Dam, Truckee, California. The period of performance is 364 calendar days from notice to proceed, with contractor performance to begin within 7 calendar days of that notice. Work includes removal of approximately 55 cubic yards of sediment and 10 cubic yards of boulders and debris from the spillway stilling basin without dewatering; cleaning and probing of two 6-inch drain pipes in chute blocks; dewatering and disposal of water using best management practices; and a comprehensive concrete inspection and basin feature report. All material removed must be disposed offsite; pumped water may be disposed at an approved 3.78-acre adjacent upland site using zero-runoff best management practices.

The work must comply with NEPA Category Exclusion 516 DM 14.5 D(1) for maintenance of existing facilities, Reclamation Safety and Health Standards, and prevailing wage requirements per General Decision Number CA20260007. Performance and payment bonds are required within 10 calendar days of award. The NAICS code is 237990 (Other Heavy and Civil Engineering Construction); PSC is Z1KF (Maintenance of Dredging Facilities). Evaluation criteria include technical approach, construction schedule and sequencing, and relevant project experience; past performance from the preceding five years will be evaluated on scope relevance, recency, quality of workmanship, timeliness, cost control, customer satisfaction, and issue resolution effectiveness. Inquiries were due August 23, 2026. Submit proposals electronically to Marianna Mezentseva at marianna_mezentseva@ios.doi.gov; no hard copies required. Contracting officer is Roxana Ahola.