FOSM - Replace Backflow Prevention Assemblies

The National Park Service Midwest Region seeks quotations to replace backflow prevention assemblies and reline sanitary sewer piping at Fort Smith National Historic Site, with proposals due June 26 and an organized site visit held June 10. This is a total small business set-aside.

Place of performance is 301 Parker Ave, Fort Smith, AR 72901. The scope comprises two components: replacement of two commercial backflow preventer assemblies (Ames Fire & Waterworks 5000SS, 6-inch service size, reduced pressure detector design with cast iron epoxy-coated bodies) and associated heated aluminum valve enclosures meeting ASSE Standard 1060 at the FOSM Maintenance Building and FOSM Historic Commissary and Courthouse; and Cured-in-Place Pipe (CIPP) lining of existing Orangeburg sanitary sewer piping per Section 33 01 30.72 using trenchless methodology. Contractors must field verify the extent of existing Orangeburg pipe via CCTV per attached plans and scoping footage accessible via SharePoint link. Enclosure manufacturers must be Aqua Shield, Hotbox, or Safe-T-Cover by Hydrocowl.

Performance period runs August 1 through November 1, 2026, with 90 calendar days allowed after notice to proceed. Quotations must be lump sum and valid for 60 days minimum. Award will be made on best-value basis considering price, technical capability, and prior experience under FAR Part 13 simplified acquisition. Quoters must provide a project narrative describing approach and schedule, and submit 3–5 prior experience references from the past five years of similar scope and size. All quoters must be registered in SAM as active small businesses and provide either a payment bond or irrevocable letter of credit (100 percent of contract value) within 10 days after award. NAICS code is 237110, Water and Sewer Line and Related Structures Construction (small business size standard $45 million). PSC code is Z2ND. Davis-Bacon prevailing wage applies. Submissions via email to Bridget Parizek at bridget_parizek@ios.doi.gov, maximum 25 MB attachment per submission. Amendment 0002 (issued June 23) provided updated scoping documentation and revised scope language; Amendment 0001 (issued June 18) provided site visit sign-in sheet.