Visual and Ultrasonic Thickness Inspection of Anhydrous Ammonia Piping System, to Include Valves NDT Inspection - WTEF (Does Not Include Tank)

The City of Spokane awarded a fixed‑price contract to perform visual and ultrasonic thickness inspections of its anhydrous ammonia piping system (including valves) at the Waste‑to‑Energy Facility. The work is strictly non‑destructive testing; no tank inspection is included, and the contractor must handle all permits, safety measures, removal of insulation, and reporting within a five‑calendar‑day window on‑site. • Scope: Visual inspection + ultrasonic thickness measurement of ammonia service piping and valves; on‑site execution, system shutdown required, no tank work. • Procurement: Public Works Invitation to Bid (PW ITB 5937‑23) with mandatory pre‑bid site visits for firms lacking prior experience. • Award: Single‑award to Big Ridge Services, LLC; bid price $21,381 (base) + tax ≈ $23,300. • Requirements: API 570‑qualified inspector, compliance with OSHA 29 CFR 1910.119(h) and EPA 40 CFR PART 68.87, submission of supplemental bidder responsibility form, and adherence to Washington State bonding and insurance rules. • Timeline: Bid due 9/18/2023, awarded 9/20/2023; inspection to be completed within five calendar days after contract start.