City Place DC-1 Ponds 1 & 3 Expansion

Harris County Improvement District No. 18 is requesting sealed bids for excavation, grading, storm sewer installation, and related improvements associated with the expansion of two existing wet detention pond facilities (DC-1 Ponds 1 and 3), with bids due August 24, 2026 at 3:00 p.m. central time through www.CivcastUSA.com. Attendance at the mandatory pre-bid conference on August 19, 2026 at 10:30 a.m. at the Harris County Improvement District No. 18 Wastewater Treatment Plant (1000 Oakhome Drive, Spring, Texas) is a condition of bid acceptance; failure to attend results in bid rejection.

The scope includes clearing and grubbing across 15.5 acres, removal of 300 trees over 12 inches, excavation of 112,500 cubic yards with haul and disposal of spoil, clay liner construction (49,740 square yards), turf reinforcement matting (3,880 square yards), rock riprap (700 square yards), broadcast seeding (19,250 square yards), and storm sewer re-routing with 560 linear feet of 36-inch reinforced concrete pipe and 180 linear feet of 48-inch reinforced concrete pipe. The project was designed by Walter P. Moore and Associates, Inc.

Prevailing wage rates under Texas Government Code Chapter 2258 apply per Attachment B. Bidders must submit a completed Texas Ethics Commission Form 1295 with their bid. Bid security of 5 percent of the total bid amount in the form of a bid bond or certified/cashier's check is required. The successful bidder must furnish performance and payment bonds each equal to 100 percent of the contract price and a two-year maintenance bond for 50 percent of the construction cost. Economic disincentives apply at 0.25 percent of the total contract amount per calendar day for failure to meet the project deadline. No time extensions are allowed for inclement weather except Force Majeure events or specified conditions. Harris County Improvement District No. 18, as a political subdivision, is exempt from Texas sales and use taxes.