Replace Turbidity Meters, NPS-ORCA

The National Park Service Pacific West Region seeks replacement of turbidity meters at Lake Creek Water Treatment Plant, Oregon Caves National Monument & Preserve, with quotations due September 9, 2026. The procurement is set-aside for small business concerns under NAICS 237110 (size standard $45 million) and will be awarded as a firm-fixed-price purchase order under FAR Part 12.

Place of performance is Cave Junction, Oregon. The requirement involves removal of existing Hach 1720D turbidity meters and installation of three new Hach TU5300sc turbidity meters (one with basic cleaning head, two with self-cleaning head, one retained as backup), one Hach SC4500 controller, approximately twenty linear feet of sample tubing with isolation and flow control valves, and a bypass/sample loop configuration. Contractor must provide 120V power integration, 4-20 mA output and/or Modbus communication, full system startup and calibration using NIST-traceable standards, and EPA Surface Water Treatment Rule certification per 40 CFR 141 Subpart H. All work must comply with EPA, OSHA, NFPA 70, ANSI, UL, and AWWA standards. Performance period runs September 28 through November 26, 2026 (60 calendar days). Site access is restricted to approximately 0.2 miles via Big Tree Trail with hand transport of materials; work hours are 8:00 AM–5:00 PM, and water system shutdowns cannot exceed 2 hours. Calibration and commissioning must be performed by a Hach-certified technician. Deliverables include calibration certification, as-built documentation, O&M manuals, training, and minimum one-year warranty. Optional line items include one- to three-year Hach field service contracts for quarterly calibration.

Government seeks quotations below $58,000; price above this threshold may be considered if best value is demonstrated. Quotations must include SF 1442, Technical Information Form with minimum three past performance references, ten-page technical approach, Oregon contractor license documentation, and General References Form. Prevailing wage rates apply under both Davis-Bacon Act and Service Contract Act determinations for Josephine County, Oregon. Contracting Officer: Alanna Gardner (alanna_gardner@ios.doi.gov, 415-858-9668); COR: Joshua Haggett (joshua_haggett@nps.gov, 541-415-2428).