Hart Street, Havana Street, and West Main Street Sanitary Sewer Collection System Improvements

The City of Jefferson Department of Public Works is requesting sealed bids for Project No. 31200, Hart Street, Havana Street, and West Main Street Sanitary Sewer Collection System Improvements, with bids due August 18, 2026 at 1:30 p.m. and a pre-bid conference scheduled for August 10, 2026 at 10:00 a.m. The work entails replacement of approximately 1,820 lineal feet of sanitary sewer main with related appurtenances, including manhole modifications and removals, lateral piping, backflow preventor installation, and cement pavement restoration.

Key bid line items include mobilization and demobilization (lump sum), surveying and staking (lump sum), erosion control, temporary bypass pumping, traffic control, utility relocation verification, 15 complete manhole removals, 15 new 4-foot diameter eccentric manholes, 12 vertical feet of additional manhole depth, 1,620 linear feet of 4-inch lateral piping, 54 existing sewer lateral field verifications and reconnections, 37 backflow preventors, and 2,070 square yards of cement pavement restoration. The contract time is 120 calendar days from notice to proceed. Contractors must comply with Missouri prevailing wage law (Annual Wage Order No. 33 for Cole County, ranging from $33.76 to $87.78 per hour by occupational title), obtain federal work authorization, and provide OSHA 10-hour construction safety training to employees within 60 days of project start.

Each bid must include a certified check or bid bond equal to 5 percent of the bid amount. A Performance and Payment Bond equal to 100 percent of the contract price is required before work commencement. Required insurance includes comprehensive general liability at $500,000 per occurrence / $3.5 million aggregate, worker's compensation at statutory amounts, builder's risk at 100 percent of project value, and owner's protective liability. Liquidated damages are assessed at $1,000 per calendar day for failure to complete within 120 calendar days. Questions must be submitted at least five days prior to bid opening. Plans are available electronically at no cost through https://jeffersoncitymo.bonfirehub.com or in paper form for a non-refundable $40.00 deposit.