Perrine Drainage Basin Ponds 101 and 104

This City of Rapid City Invitation for Bid (RFB #2743) seeks a qualified construction contractor to improve Ponds 101 and 104 within the Perrine Drainage Basin and to construct a storm‑water diversion structure that redirects flow from an irrigation ditch to the existing storm sewer on SD Hwy 44. The work also includes upgrades to Elements 108, 118, 119, 120, 122, and 137 as detailed in the Drainage Basin Development Plan (DBDP). Bids must be submitted by September 29, 2026, with a mandatory (strongly encouraged) pre‑bid conference on September 21, 2026. The contract will require performance and warranty bonds, insurance, and compliance with local, state, and federal regulations. • Scope: earthwork, pond reconstruction, storm‑water diversion channel, utility relocation, and associated site improvements. • Location: Rapid City, South Dakota (Rapid City, SD 57701). • Bid submission: sealed bids with 5 % bid security (or 10 % bid bond) to the City Finance Office. • Pre‑bid conference: September 21, 2026, Circle of Friends Community Room – City Hall, 2nd Floor, 300 Sixth St., Rapid City. • Required permits: SDDOT, Nationwide Permit 43, and other local permits. • Bonds: 100 % performance bond and 10 % warranty bond (2‑year warranty). • Insurance: General liability, workers’ comp, automobile liability, and umbrella coverage as specified. • Evaluation: Lowest responsible and responsive bidder; South Dakota resident preference applies. • Contact: Michelle Lashley, Bid Contact, (605) 394‑4154, [email protected].