Interior tank cleaning

The National Park Service Pacific West Region is seeking interior tank cleaning services for potable water reservoirs located in the Marin Headlands area of California. The solicitation (RFQ 140P8625Q0008) requires cleaning and disinfecting three water storage tanks: a 400,000-gallon tank at Fort Baker, a 400,000-gallon tank at Fort Cronkhite, and a 200,000-gallon tank at Fort Barry. Contractors must use NSF-certified divers and follow AWWA C652-11 standards for tank inspection, cleaning, and disinfection while maintaining active water systems. The evaluation will be based on best value, considering price, relevant experience with tank cleaning jobs in California and Nevada within the last five years, and past performance. Key dates include a mandatory site visit on January 16, 2025, and quote submissions due by January 23, 2025, at 10:00 AM Pacific Time.

The contract is a 100% small business set-aside under NAICS code 541990 with a size standard of $19.5 million. The period of performance is from February 3, 2025, to May 1, 2025. Contractors must carry liability insurance of $100,000 per person, $500,000 per occurrence, and $100,000 for property damage. The work requires minimal disruption to existing water infrastructure, with tanks remaining operational during the cleaning process. Contractors will be responsible for providing all necessary equipment, labor, and materials, and must obtain written permission from the Utilities manager before returning tanks to service. The tanks are located in Sausalito, California, with specific sites at Fort Baker, Fort Cronkhite, and Fort Barry, each having unique access points and structural characteristics.