Colorado Division of Reclamation, Mining and Safety
State AgencyCO
Aug 5, 2026
Closes
Sep 3, 2026
PKAA, Nine Mile Phase 2 Project RFP
Work will involve safeguarding hazardous mine features with designed closure methods. 11 shafts will be safeguarded. Closure methods include steel grates, polyurethane foam plugs and steel grates with bat access.