Grca 2025 backflow testing

The National Park Service Intermountain Region is seeking a contractor to perform comprehensive backflow prevention assembly testing services at Grand Canyon National Park through this Request for Quotation. The contract requires inspection, testing, repair, replacement, and new installation of 209 backflow prevention assemblies located across the South Rim, North Rim, and Inner Canyon areas of the park. Contractors must have certified backflow testers with credentials from recognized authorities such as ABPA, IAPMO, or ASSE, and must provide detailed testing reports, photographs, and comprehensive parts lists for each device. The solicitation has experienced multiple amendments extending the response deadline to June 25, 2025, with the most recent amendment providing clarification on testing requirements and operational constraints. The contract performance period runs from July 21, 2025, to November 21, 2025, with work hours restricted to 0800-1700 for housing areas and 0900-1600 for Inner Canyon activities.

This procurement is designated as a 100% small business set-aside under NAICS code 221310 (Water Supply and Irrigation Systems) with a size standard of $41 million. The solicitation presents unique logistical challenges, as seven of the 209 backflow assemblies will require helicopter access, though all flight operations will be provided by internal park staff at no cost to the contractor. Contractors must arrange their own lodging and follow all applicable state, federal, and local codes, including the Grand Canyon National Park Cross-Connection Control & Backflow Prevention Program requirements. The work is expected to take several weeks due to the volume and diverse locations of the backflow assemblies throughout the park. A mandatory site visit was scheduled for June 9, 2025, at the FMD Building conference room to familiarize potential contractors with the scope and complexity of the testing locations across this expansive national park facility.