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Grit and Screenings Removal Upgrades |
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Project Name
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Owner
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Engineer
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Contract Value
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Contract Awarded
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State
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Grit and Screenings Removal Upgrades
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District of Columbia Water and Sewer Authority
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Hazen & Sawyer and Volkert & Associates
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$63,620,000
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2002
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DC
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The project included Rehabilitation and Upgrades to the East and West Screening Facility and the West Grit Facility at the Blue Plains WWTP. The work included
- Installation of two traveling bridge grit removal systems
- The replacement of thirteen fine screens
- Construction of two grit and screenings loading stations
- Underground plant influent bypass channels and associated site improvements.
The renovations to the existing West Grit Facility include:
- Substantial structural modifications to support two (2) traveling bridge grit removal systems to service four (4) grit chambers with a combined peak flow capacity of 296 MGD.
The modifications to the West Screening Facility include:
- The phased demolition and replacement of four (4) barscreens including structural, mechanical and electrical renovations.
The renovations to the East Screening Facility include:
- The phased demolition and replacement of nine (9) barscreens including structural, mechanical and electrical renovations.
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