Grsm newfound GAP wastewater system work

The National Park Service Southeast Region seeks wastewater system rehabilitation at Newfound Gap Overlook in Great Smoky Mountains National Park, Gatlinburg, Tennessee, with proposals due August 3, 2026. This is a Total Small Business set-aside, requiring bidders to maintain small business designation in SAM.gov.

Place of performance is Newfound Gap Overlook at Great Smoky Mountains National Park (PMIS #304884), located at the Tennessee-North Carolina border. The contractor must be licensed in North Carolina or Tennessee to install public wastewater systems and must comply with North Carolina Administrative Code Chapter 18, Tennessee Department of Environment and Conservation standards, and Swain County Health Department requirements. Work encompasses comprehensive wastewater system improvements: installation of a new 5,000-gallon septic tank with flow diversion structure; replacement of existing 6-inch clay wastewater collection lines with 6-inch HDPE SDR 26 pipe using pipe-bursting methodology; installation of new precast concrete manholes and siphons; replacement of plastic valve box lids with cast-iron lids; removal and reinstallation of chain-link fencing with vehicle and man-gates; and restoration of disturbed areas via hydroseeding with approved Park seed mix. All materials and labor necessary for completion are included in unit prices. The contractor must maintain comfort station operations or provide portable restroom facilities during construction and comply with all Federal and State safety requirements, erosion control, and stormwater pollution prevention protocols. Performance period runs September 1, 2026, through March 1, 2027, with work completion required within 150 calendar days of notice to proceed.

The contract is firm-fixed-price construction under NAICS 237110, Water and Sewer Line and Related Structures Construction. Evaluation weighs technical approach, past performance and technical capability, and cost reasonableness. Proposals must include SF-1442 forms, technical proposals not exceeding 20 pages, capabilities documentation, subcontractor information, past performance questionnaires, and detailed cost proposals with 20 percent bid bonds required. A mandatory site visit is scheduled for June 30, 2026, at 10:00 a.m. ET. Pre-bid questions deadline is July 8, 2026, at 4:00 p.m. ET. Contracting Officer is Marilia Mateo; Contracting Officer Representative is Christopher Rego. Proposals must be submitted via email to marilia_mateo@ios.doi.gov. Davis-Bacon prevailing wage rates apply under Wage Determination TN20260121 (Tennessee) and NC20260019 (North Carolina). Amendment 0002, posted July 29, 2026, uploads questions and answers received during the solicitation period.