Chief Joseph Dam Spillway Monolith Sealing

The U.S. Army Corps of Engineers, Northwestern Division, Seattle District requires work that includes drilling and installation of five water stops and incidental related work for Chief Joseph Dam.  In general, the contractor shall complete precision angle drilling within precise tolerances to inject a hydrophilic sealant into the upstream spillway monoliths at fours locations in the overflow section and one location on the non-overflow section. There is a site visit schedule for 22 June 2022 from 1300 to 1500 hours.  “See attached RVA form to be completed and emailed to Charles.d.idle@usace.army.mil no later than 8 June 2022.”The magnitude of this project is estimated between $5,000,000 and