Grosgarth Mine Injection Grouting

The State of Montana Department of Environmental Quality (DEQ) is requesting bids for injection grouting services at Grosgarth Mine under IFB DEQ-IFB2027-427002, with bids due September 9, 2026 at 2:00 p.m. MDT. Montana Resident Labor requirements mandate that at least 50 percent of work be performed by bona fide Montana residents, with no more than 50 percent subcontracted—a restrictive eligibility filter.

The scope comprises two grout injection categories: Low Mobility Grout Injection (up to 1,000 cubic yards, split into two 500-cubic-yard increments) and High Mobility Grout Injection (up to 5,000 cubic yards, segmented into ten 500-cubic-yard increments). Line items also include lump-sum Mobilization, Demobilization, Bonding, and Insurance charges, and a $10,000 Unanticipated Services set-aside. Bidders must submit both lump-sum and per-cubic-yard pricing for designated line items using the provided Bid Items page.

Contract performance runs from October 1, 2026 through January 31, 2027. Payment terms are Net 30 with zero percent financing. A bid bond is required.

Mandatory pre-bid conference call participation is required; specific timing is not stated in the source. Questions must be posted to the Question-and-Answer Board by a deadline not specified in the source. Bidders must submit a Contractor Questionnaire, Ownership Information form, Proposed Subcontractors form, and Certification of Nonsegregated Facilities. Equal opportunity employment provisions apply.

Rebecca Gregg, Procurement Officer, serves as the primary contact at Rebecca.Gregg@mt.gov or 406-444-3101. The State reserves the right to accept, reject, or negotiate any or all proposals.