W.O. 26-34: Zimmerman Rock Underpinning

The City of Billings is seeking sealed bids for the design‑build construction of a rock underpinning and toppling‑mitigation system on the Rims above Zimmerman Trail. The scope includes installation of anchor bolts, wire‑rope cabling, steel anchor head plates, and shotcrete to stabilize a segment of rock. Bidders must submit a bid bond (10 % of bid) and, if awarded, provide performance and labor‑material payment bonds (100 % of contract). All contractors and subcontractors must be registered with the Montana Department of Labor and Industry and comply with prevailing wage and equal‑opportunity requirements. Plans are available via QuestCDN (free) and MontanaBid (free). A non‑mandatory pre‑bid meeting will be held on 9 Sept 2026, with an optional on‑site tour. The bid opening is scheduled for 2 PM on 15 Sept 2026, streamed on Facebook Live. • Bid submission deadline: 2 PM, 15 Sept 2026 (mail, hand‑delivery, or email with scanned bond). • Required bonds: 10 % bid bond; 100 % performance & labor‑material bonds. • Mandatory registrations: Montana DLI for all contractors/sub‑contractors. • Scope: rock underpinning, anchor bolts, wire‑rope system, steel plates, shotcrete. • Location: Billings, MT (Rims above Zimmerman Trail). • Pre‑bid meeting: 9 Sept 2026, 11 AM, Billings City Hall (non‑mandatory).