Remove/Replace Turbidity Meters, NPS-ORCA

The National Park Service Pacific West Region seeks removal and replacement of turbidity meters at the Lake Creek Water Treatment Plant, Oregon Caves National Monument & Preserve, with quotations due September 17, 2026, at 5:00 PM local time. The procurement is a Total Small Business Set-Aside issued as a Request for Quotation under FAR Part 12.203 procedures, with a small business size standard of $45 million.

Place of performance is Cave Junction, Oregon. The NAICS code is 237110, Water and Sewer Line and Related Structures Construction. The contractor must remove two existing Hach 1720D turbidity meters and install Government-furnished equipment consisting of two Hach TU5300sc laser turbidity meters (one with basic cleaning head, one with self-cleaning head) and one Hach SC4500 controller. The contractor furnishes all labor, materials, tools, transportation, and supervision, including approximately twenty linear feet of new sample tubing, isolation valves, flow control valves, fittings, electrical integration with 120V power connection and 4-20 mA output/Modbus communication, and a bypass/sample loop configuration. Work must be completed within 30 calendar days, commencing by October 27, 2026. Site access is constrained to approximately 0.2 miles via Big Tree Trail with hand-transport only and no motorized equipment without written approval. Water system shutdowns cannot exceed 2 hours, require 48-hour notice, and the contractor must submit a Water System Continuity Plan. The contractor must hold a current Oregon Construction Contractors Board License and comply with Davis-Bacon wage rates under Service Contract Act determination OR20260070. Liability insurance of $200,000 per person/occurrence and $200,000 property damage coverage is required. Evaluation criteria include price, relevant experience from projects completed within six years, technical approach, Oregon contractor license status, and past performance references. Submissions must include SF 1442 forms, Technical Information Form, Oregon license documentation, relevant experience records, a technical approach narrative of approximately five pages, past performance references with contact information, SAM registration confirmation, and UEI identification.