SLCo FCE133675 Rose Creek Gabion Baskets Const Materials - RFC

Salt Lake County Contracts and Procurement, on behalf of Public Works Flood Control, is requesting bids on construction materials for a gabion basket wall along Rose Creek, with bids due September 10, 2026 at 1:00 p.m. Suppliers may bid on any portion of the three line items without submitting a complete bid.

The scope comprises Class III riprap (D50 = 12", estimated 430 cubic yards), 4–8" rockfill (estimated 906 cubic yards), and galvanized steel gabion wire baskets (453 baskets measuring 3' × 3' × 6' or 905 baskets measuring 3' × 3' × 3'). All materials conform to the 2025 APWA Utah Chapter Manual of Standard Specifications. Riprap must be durable, angular, hard stone with minimum specific gravity of 2.60 and maximum Los Angeles abrasion of 40 percent; suppliers must submit certification from a certified independent laboratory. Gabion baskets must feature hexagonal wire mesh in 2 or 3-1/2 twist pattern, Class 3 galvanized steel wire per ASTM A641, fabric gauge US 11, tensile strength of 60,000–75,000 psi, and minimum elongation of 12 percent (per Addendum 1). Installation is not included; Salt Lake County crews will execute construction between September 2026 and November 2026 across 619 linear feet of bank stabilization to protect an existing maintenance road from scour.

Gabion baskets must be delivered to the Flood Control Operations Yard at 6960 S 604 W, Midvale, UT 84047 within 4 weeks of contract award with 48-hour advance notice. Riprap and rockfill must be available for County pickup at locations within 40 miles of the project site (S 3160 W and W 13680 S, Riverton, UT) during normal business hours (7:00 a.m.–3:30 p.m., Monday–Thursday), with 24-hour availability following 14-day construction notice. All deliveries are FOB Destination, Freight Pre-Paid. Payment for riprap and rockfill is based on actual quantities required, which may differ from estimates. Bid prices must be firm for a minimum of 60 days (per Addendum 2). Gabion baskets require manufacturer's standard warranty of a minimum of 12 months. Contractors must maintain Workers' Compensation, Commercial General Liability of $1,000,000 per occurrence/$2,000,000 aggregate, and Commercial Automobile Liability of $1,000,000 per occurrence, with the County listed as additional insured. Vendors must certify environmental compliance per mandatory requirements. Individual bid items may be awarded via separate purchase orders or contracts at the County's discretion. The contract term is effective upon execution through October 31, 2027.