Rip Rap 5 X 9, 18” and 24”

The City of Wichita is requesting bids on rip rap stone materials for the Public Works & Utilities Department's Stormwater Division under RFB #260112, with bids due July 10, 2026 at 10:00 a.m. Central Time and questions due July 2, 2026.

The scope comprises three categories: 1,560 tons of 18-inch Flexible Light Stone Rip Rap, 1,900 tons of 24-inch Heavy Stone Rip Rap, and 500 tons of 5 x 9 Stone Rip Rap for ditch lining. Materials will support the Wichita-Valley Center Flood Control Project and area creeks and streams. All pricing must be delivered prices to specified Wichita or Sedgwick County locations. Delivery must begin within five working days of notification and complete within fifteen working days, unless the order exceeds 300 tons, in which case a manufacturing and delivery schedule is required. Late deliveries incur penalties of $50 per day unless the Flood Control Supervisor approves modifications in writing.

Contractors must pre-qualify their stone source by submitting independent laboratory test results no more than one year old demonstrating compliance with City of Wichita specifications, Department of the Army Corps of Engineers specifications, or Kansas Department of Transportation specifications. The City reserves the right to conduct independent testing at the contractor's expense; any failed ledge source cannot be used on the project.

The contract term is one year with two optional one-year renewal periods available by mutual agreement. Either party may cancel with thirty days' prior written notice. Award will be based on the lowest and best total net bid from a responsible and responsive vendor, with City Council approval anticipated in July 2026. Bids are submitted electronically through wichita.gov/procurementportal. Prior to contract issuance, successful bidders must furnish a Certificate of Insurance including Commercial General Liability of $1,000,000 per occurrence and $2,000,000 aggregate, Comprehensive Automobile Liability of $1,000,000, Workers' Compensation at statutory requirements, and Employers Liability of $1,000,000 per accident. Questions are due July 2, 2026, with answers provided via addendum on July 8, 2026.