Air Scour A Replacement at Thomas S Mackey Water Treatment Plant

The Gulf Coast Water Authority is requesting sealed bids for construction of Air Scour A Replacement at the Thomas S. Mackey Water Treatment Plant in Texas City, Texas (Project No. 5621), with bids due October 15, 2026 by 2:00 p.m. and a non-mandatory pre-bid conference and site visit on September 30, 2026 at 10:00 a.m.

The scope encompasses replacement of Air Scour Blower A, establishment of independent electrical feeds for Air Scour Blowers A and B, relocation of existing Air Scour B control equipment, installation of a new Air Scour A control system, and associated mechanical, civil, electrical, instrumentation, controls, demolition, restoration, testing, startup, and commissioning work. The contractor furnishes all labor, supervision, tools, construction equipment, temporary facilities, consumables, materials, supports, fasteners, fittings, wiring, conduit, testing, and startup services for complete and operable installation, except products identified as Authority-furnished or performed by others.

Contract time is 90 calendar days after commencement for substantial completion and 120 calendar days for final completion. Liquidated damages are assessed at $200 per day for delays in substantial completion and $250 per day for delays in final completion. Progress payments are made monthly less 10 percent retainage; the Authority may authorize full payment of remaining progress if 50 percent of work is satisfactory. All payments are made within 30 days of receipt of an approved invoice under the Texas Prompt Payment Act.

Bid security of 5 percent of the total maximum bid price must be submitted as a cashier's or certified check or bid bond. The successful bidder must furnish a Performance Bond and Payment Bond, each at 100 percent of contract price, within five days of award. All bonds must be issued by sureties rated minimum "A-" by Best's Key Rating Guide and licensed by the Texas Department of Insurance. The contractor must maintain Texas Workers' Compensation insurance, commercial general liability, automobile liability, contractual liability, and builder's risk insurance, with the Gulf Coast Water Authority named as additional insured on all policies.

The Authority will issue a Notice of Award within 90 days of bid opening. Sealed bids are received electronically via CivCast with public opening and reading via Microsoft Teams.