Repairs to Tributary K117-00-00

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Recent Action

May 10, 2022– Harris County Commissioners Court approved a change in contract with a construction contractor to add a reinforced concrete spillway in support of this project.

June 29, 2021 – Harris County Commissioners Court authorized $1,197,520 for construction of a reinforced concrete spillway and stilling basin.

May 25, 2021 – Harris County Commissioners Court approved advertising this project for construction contract bidding.

April 13, 2021 – Harris County Commissioners Court authorized an agreement in the amount of $62,830 with an engineering firm for materials engineering and testing services in support of this project.

February 9, 2021 – Harris County Commissioners Court approved negotiations for engineering services in support of this project.

PROJECT DESCRIPTION

This maintenance project to construct a concrete drop structure and stilling basin on the K117-00-00 channel was completed in August 2022. The project is located where a concrete-lined channel section running down the middle of Briarcreek Boulevard transitions to an earthen channel downstream (north) of Old Ranch Road, onto property owned by the Flood Control District.

The drop structure and stilling basin were added to reduce the stormwater’s energy at this transition point. Concrete projections that are part of the drop structure, also known as a “baffle,” as well as the stilling basin at the foot of the drop structure, now help to slow the stormwater and reduce erosion on the earthen channel.

The project was originally planned after the Tax Day Storm of 2016, but a more permanent repair was designed following the subsequent Hurricane Harvey storm of 2017 and later rain events. The project site is adjacent to another future Flood Control District project, described here.

New baffle drop structure on the K117-00-00 channel.