Z100-00-00-X299 - San Jacinto River and Greens Bayou Watersheds

Z100-00-00-X299 - San Jacinto River and Greens Bayou Watersheds

Last Modified: 04/03/2020 11:08 AM

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Z100-00-00-X299

Z100-00-00-X299 is a collection of major maintenance projects that will repair various types of channel failures along 16 sites within the San Jacinto River and Greens Bayou watersheds. Portions of the identified channels are considered to be in serious failure and these repairs are necessary to prevent further impact on the channels.

In order to restore channel conveyance capacity to its original design, excavation may widen some channel sections beyond their current condition.

Projects that fall under Z100-00-00-X299 include:

San Jacinto Watershed Repairs

G103-38-00-X020 consists of repairs at three (3) locations:

• Site 5416 consists of slope failure repair rebuilding side slopes beginning approximately 1900 feet north of Walnut Ln.

• Site 5680 consists of erosion repair and pipe replacement including reestablishing channel toelines, and rebuilding side slopes beginning approximately 250 feet south of Walnut Ln.

• Site 5682 consists of erosion repair and rebuilding side slopes beginning approximately 500 feet northwest of Deer Ridge Estates Blvd.

G103-38-01-X010 consists of repairs at one (1) location:

• Site 3228 consists of slope erosion repair including rebuilding side slopes beginning approximately 70 feet west of Chestnut Ridge Rd.

G103-41-00-X008 consists of repairs at two (2) locations:

• Site 5622 consists of slope erosion repair, channel repair, and rebuilding side slopes beginning approximately 1350 feet south of Kingwood Dr.

• Site 5622A consists of channel repair, slope repair, and rebuilding side slopes beginning approximately 1600 feet south of Kingwood Dr.

Greens Bayou Watershed Repairs

P127-00-00-X016 consists of repairs at one (1) location:

• Site 4213 consists of removal and replacement of pipe beginning approximately 2000 feet north of N Lake Houston Pkwy.

P100-00-00-X124 consists of repairs at two (2) locations:

• Site 458 consists of concrete channel lining panel replacement beginning approximately 50 feet north of N Lake Houston Pkwy.

• Site 463 consists of erosion repair, reestablishing the channel toelines, and rebuilding side slopes beginning approximately 100 feet north of E. Mount Houston Rd.

P130-00-00-X027 consists of repairs at two (2) locations:

• Site 739 consists of erosion repair including rebuilding channel side slopes and installation of riprap beginning approximately 200 feet south of Will Clayton Pkwy.

• Site 762 consists of erosion repair, channel repair, and rebuilding side slopes beginning approximately 300 feet west of Eastex Freeway Service Rd.

P130-00-00-X028 consists of repairs at four (4) locations:

• Site 790 consists of removal and replacement of an interceptor structure and pipe and erosion repair beginning approximately 200 feet west of Mesa Dr.

• Site 4248 consists of erosion repair, channel repair, and rebuilding side slopes beginning approximately 3800 feet east of Mesa Dr.

• Site 4249 consists of pipe replacement beginning approximately 2150 feet east of Mesa Dr.

• Site 4250 consists of installation of an interceptor structure and pipe as well as rebuilding side slopes beginning approximately 2000 feet east of Mesa Dr.

P130-03-00-X002 consists of repairs at one (1) location:

• Site 800 consists of slope failure repair and rebuilding side slopes beginning approximately 100 feet south of Atascocita Rd.

The total cost for these channel repairs is expected to be approximately $2.9M and will be funded using grants from the Natural Resources Conservation Service and the Federal Emergency Management Agency.

There will be heavy machinery near project sites and substantial vegetation removal operations may be needed in order to properly prepare the site for construction. For public safety reasons, if there are trails in the project area, users can expect intermittent closures as the projects progress. Please pay attention to posted signage in the project areas.

Construction has already begun at some of the project sites, but anticipated completion for all sites is Summer 2020 depending on the weather.