Environment
BY SHAWN ARRAJJ
Work could start in late 2023 on Meyergrove detention basins Meyer said. Part of the existing 4-foot-wide sidewalk along Braeswood Boulevard will be expanded to a 10-foot-wide hike and bike trail. The smaller basin will be a dry-bottom basin and will be designed to drain between rain events. Digging in Meyergrove detention basin 1 • 7.7 acres • wet-bottom basin • will hold roughly 84 acre-feet of water Meyergrove detention basin 2 • 3 acres • dry-bottom basin • will hold 10 acre-feet of water
Work is moving forward on a Harris County Flood Control District project meant to reduce flooding in the lower portions of Brays Bayou. The overview Two Meyergrove detention basins will be used to temporarily store excess stormwater during heavy rain events, which would gradually drain back into the channel through outfall pipes as it becomes safe for the bayou to receive additional water, said Melissa Meyer, engineering division manager with the Harris County Flood Control District, during an Aug. 17 public meeting. The basins are being funded by $9.9 million in federal dollars through the Community Funded Projects program. The details The larger basin will support overflow from Brays Bayou with a concrete weir between the basin and Brays, Meyer said. It will be a wet-bottom basin and will include a small lake with wetland plantings,
B E E C
The projects will mostly be useful for smaller rain- fall events, Project Manager Rusty Lannin said at the meeting, giving an example of a storm that produces 6-7 inches of rain over 5-6 hours. However, water is still expected to exceed banks during a 100-year storm event, which is a storm that has a roughly 1% chance of occurring in any given year. “The whole area is the bottom of the flood plain there, so I think any detention to hold back water helps everywhere,” Lannin said at the meeting. What’s next A construction contract is expected to be awarded in the fall, and construction could start in late 2023
BRAYS BAYOU GREENWAY
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SOURCE: HARRIS COUNTY FLOOD CONTROL DISTRICT/COMMUNITY IMPACT
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POST OAK RD. or early 2024 and last about nine months. Some clo- sures of existing trails are expected near the larger basin, and some single-lane closures of Braeswood Boulevard could also be warranted.
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