Sept. 21, 2021: COBU - Kelsey Creek Culvert at Lake Hills Blvd Project. (Capital Improvement Project No. D-94) The existing Kelsey Creek Culverts at Lake Hills Boulevard are undersized, unstable and deteriorating, causing an increased risk of flooding in the immediate area. Culvert instability is influenced by surrounding peat soils that cause both settlement and upward movement. A watermain in nearby Federal Field parking lot also recently required an emergency repair (August 2020) and will require a permanent solution for both the watermain and adjacent sewer to address poor soil conditions and inadequate cover. A separate sewer gravity main (12 and 10 inches) that borders the southwest side of Federal Field is deficient and requires significant maintenance due to inadequate slope and high fat, oil, and grease (FOG) load. The project goals are to develop a comprehensive solution for the Kelsey Creek culverts, Federal Field parking lot sewer and water mains, and sewer adjacent to Federal Field. The solutions are to provide for a 50-year design life, reduce operations and maintenance (O&M) effort and deterioration risk from resulting sewer maintenance for the Federal Field gravity sewer, and replace and stabilize Kelsey Creek culverts to provide sufficient design storm capacity and fish passage.
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