30-Inch Transmission Main Phase 2 Lone Star Road and Chambers Street

The City of Mansfield, Texas is requesting sealed bids on the construction of a 30-inch bar-wrapped concrete cylinder water transmission main extension along Lone Star Road and Chambers Street (Bid No. 2026-40-10-05), with bids due August 13, 2026 at 10:00 a.m. at the City Secretary's office. The project is subject to United States Iron and Steel requirements under Texas Government Code Chapter 2252, Subchapter G.

The scope encompasses 34 bid items: mobilization, site preparation, erosion control, concrete paving and curb work, 12-inch PVC and 30-inch AWWA C303 pressure pipe installation, valves, fittings, meter station vault construction, electrical work, traffic control, fencing, cathodic protection, fire hydrants, and SCADA improvements. The main connects with Johnson County Special Utility District and Mountain Peak Utility District. Contract time is 280 working days from Notice to Proceed, with liquidated damages of $1,000 per working day for delays. Prevailing wage rates established by the City of Mansfield apply to all work performed.

Bidders must provide 5% bid security via certified bank check or bid bond. The successful contractor must furnish performance, payment, and maintenance bonds, with the maintenance bond running two years after final acceptance. Awards are on a unit price basis with monthly progress payments less 5% retainage until final payment. The project is expected to be funded in part by a Texas Water Development Board loan or grant. Contract documents are prepared per NCTCOG Standard Specifications and City of Mansfield standards. The contractor bears all costs for utilities, equipment rental, testing (except initial subgrade and concrete testing), and site security through final payment and acceptance. Plan examination is available at the City Engineer's office; site investigations may be arranged upon request.