Summary
The Bureau of Reclamation (Upper Colorado Basin Region) issued a Sources Sought to procure a Distributed Acoustic Sensing (DAS) Interrogator Unit to support DAS data collection projects including work at Granby Dike No. 3. The procurement requests an interrogation system with warranty, annual firmware upgrade and support/maintenance, and technical specifications including a Class 1M laser, 19-inch rack-mountable (4U) form factor, SC/APC fiber connections, HDF5 raw output, ~30 km or more sensing range, 1 m (or less) channel spacing and sub-meter sampling resolution. The notice is a Sources Sought (market interest) posting with a response deadline of July 8, 2026 and a posted date of July 1, 2026.