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Bidjugde
JOB
Walnut Creek WWTP Expansion 100 MGD
BID DATE
04/25/23 - 2:00
AGENCY
Austin
ESTIMATE
$760,000,000
SCOPE
This project will expand the plant to treat and discharge an annual average daily flow of 100 MGD and a 2-hour peak flow of 300 MGD. The expansion is needed based on projected future flows of wastewater into the plant, in accordance with Texas Commission on Environmental Quality (TCEQ) regulations and the requirements of Texas Administrative Code. Additionally, the project will implement Biological Nutrient Removal (BNR) in the existing facilities and proposed facilities to meet more stringent effluent quality limits in the plant’s discharge permit issued by TCEQ that go into effect with the expansion. The project includes several distinct components: a new 25 MGD treatment train with BNR, upgrade of the existing treatment plant to BNR, a new peak flow treatment train, new influent siphons, new effluent pipe and outfall, and a flood wall around the site. erik.kunkel@austintexas.gov
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