Brazos Valley Ionwave #27-001 Addendum 1

Bryan wastewater infrastructure construction: sewer, bank stabilization, and pump replacement

The City of Bryan is seeking proposals for three wastewater infrastructure construction packages covering sewer replacement, bank stabilization, and WWTP pump upgrades. - Government buyer: City of Bryan, Texas — Purchasing Department. - Packages and estimated costs: - A — NW Sewer Interceptor (D42431): sewer removal and replacement, new concrete piers and manholes, an aerial crossing, and site restoration; estimated cost $278,145. - B — Still Creek Sewer Plant Bank Stabilization (D40015): bank and erosion repair, new sewer and storm drainage, sheet piling, and rock-rubble protection; estimated cost $1,120,540. - C — Still Creek WWTP Pump Replacement (D42621): replace three pump-and-motor assemblies and associated piping; estimated base bid $171,500, with three pump-specific alternates totaling $7,950. - Products and quantities: - Package A: 90 vertical feet of 48-inch concrete pier; 116 linear feet of 30-inch ductile-iron sewer; 299 feet of 30-inch, 46 feet of 24-inch, and 43 feet of 18-inch SDR 26 PVC sewer; and 116 square yards of slope protection identified as Western Excelsior Excel 995-10 (or approved equal). - Package B: 268 linear feet of 30-inch SDR 26 PVC effluent pipe; 254 feet of 12-inch SDR 21 PVC storm sewer; two 12-inch swing check valves; one 6-foot doghouse manhole; 6,264 square feet of sheet piling; and 192 square yards of grouted rock rubble on filter fabric. A temporary gravel construction entrance is also specified at 2,232 square yards. - Package C: one 6-by-6-inch pump and one 25 HP motor for each of Pumps #4 and #6; one 10-by-8-inch pump and one 60 HP motor for Pump #8; two 30-by-30-inch sliding gates; and associated piping, valves, fittings, gauges, and painting. Alternates include one 12-by-10-inch elbow for Pump #4, one 20-by-10-inch elbow for Pump #6, and one 20-by-14-inch elbow for Pump #8. - OEMs and named products: No pump, motor, pipe, or valve manufacturer/OEM or manufacturer part numbers are specified. Named product or connection references include Western Excelsior Excel 995-10, Flex-Terra HP-FME seeding, and a FURNCO connection; the slope-protection schedule permits an approved equal. - Notable work requirements: Contractor provides the labor, equipment, and tools for pump and motor removal and installation. Package C requires bypass pumping for 30-, 42-, and 15-inch mains; Package B requires bypass pumping during doghouse manhole installation. Package A includes a trench-safety plan for excavations deeper than 5 feet. The work also includes stormwater controls, demolition, grading, and site restoration. - Period of performance: Estimated package durations are 75 working days for A, 120 working days for B, and 75 working days for C. The solicitation also states an overall allowance of 360 working days; package schedules are estimates. - Estimated total value: Approximately $1.57 million to $1.58 million, including the listed pump alternates.

Description

The City of Bryan is requesting proposals for three projects: the NW Sewer Interceptor, Still Creek Sewer Plant Bank Stabilization, and Still Creek WWTP Pump Replacement. Work includes sewer construction and related site work, bank stabilization involving sheet piling and rock rubble, and replacement of pumps, motors, valves, and associated piping and equipment. The addendum lists estimated construction costs of $278,145 for Package A, $1,120,540 for Package B, and a $171,500 base bid for Package C, with alternate bids for Package C. A mandatory pre-proposal meeting and site visit is scheduled for October 13, 2026; proposals are due November 3, 2026.

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