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Tomball ISD to seek $4.06M contractor for Harris County-required flood-control channel at West Complex

Tomball ISD Board of Trustees · November 11, 2025
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Summary

District staff told trustees a Harris County permit requires a channel extension that will move runoff from the West Complex to Little Cypress Creek; construction is bid at about $4.06 million (construction budget $4.5M) using bond 2021 funds and is necessary for site completion and opening Tomball West High School.

District staff briefed trustees on a required Harris County Flood Control channel extension at the West Complex that district and county permitting require for site completion and opening of Tomball West High School.

CFO Zach Bowles and district project staff explained the request to select Dienko Incorporated (recommended via RFP) as general contractor with a construction price not to exceed $4,061,130 and a total construction budget of $4.5 million using bond 2021 funds. District staff said the project is not discretionary: the channel extension and associated detention improvements must be completed under the county permit.

Jim Ross and other technical staff reviewed the scope: large culverts and headwalls already exist at Destination Drive, the new channel stretches roughly 2,880 feet and includes embankments and detention basins that together provide about 229.3 acre‑feet of required drainage capacity. Ross said the district will relocate approximately 150,000 cubic yards of dirt as part of the work and that Harris County purchased a right-of-way along the southern route. The district also explained earlier decisions to concentrate the drainage south to Little Cypress Creek rather than add parallel improvements to Willow Creek to reduce overall costs.

Trustees asked about construction staging, property easement status, and whether the dirt removal changes site value; staff confirmed Harris County has purchased required corridor land and that some hauled dirt will be staged on district property. Administration said the item is planned for board action on Nov. 11 with bond funds identified for the cost.