Hamby Water Reclamation Facility Blower Upgrades

The City of Abilene, Texas is requesting sealed bids for blower upgrades and HVAC installation at the Hamby Water Reclamation Facility, with bids due August 18, 2026. Prevailing wage rates under General Decision Number TX20260002 (effective May 18, 2026) apply to all construction work in Taylor County.

The scope includes demolition and disposal; installation of two new blowers meeting design specifications (APG or engineer-approved equivalent); installation of new HVAC units and controllers; piping modifications to two existing blowers; concrete, electrical, structural, and instrumentation work; installation of four new dissolved oxygen probes; SCADA programming and integration with existing aeration and plant systems; coordination with the blower manufacturer for startup and controls integration; and installation of a new double door. The contractor must deliver a complete, fully operational four-blower system and provide all necessary piping, valves, supports, appurtenances, and programming.

The bid schedule is structured as eight line items: mobilization, insurance, and bonds (lump sum); installation of two new blowers and modifications to two existing (lump sum); new HVAC installation (lump sum); owner's allowance for remaining payment on the APG rent-to-own contract of $1.4 million with no contractor markup; SCADA programming and implementation (lump sum); new double door installation (lump sum); two days of manufacturer training (lump sum); and owner's allowance for city-directed work including building permits of $200,000. All bid pricing must include applicable taxes, fees, labor, materials, equipment, insurance, overhead, superintendence, transportation, profit, and incidentals. Work must be completed within 300 working days from the base bid, with allowances for normal delays from inclement weather. Statutory Performance, Payment, and Maintenance Bonds are required. All bids remain open for 60 days; the city reserves the right to release bids early. The contractor must submit Conflict of Interest Questionnaire (Form CIQ) and Form 1295 disclosure of interested parties prior to contract execution, and proof of insurance complying with city provisions.