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Onondaga County CSO Abatement Gray Project Update.

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Presentation on theme: "Onondaga County CSO Abatement Gray Project Update."— Presentation transcript:

1 Onondaga County CSO Abatement Gray Project Update

2 Gray Project Update Harbor Brook Intercepting Sewer Replacement Project CSO 044 Conveyance Pipeline CSO 022/045 Sewer Separation Projects Clinton CSO Storage Facility Lower Harbor Brook CSO Storage Facility CSO 063 Conveyance Project Floatables Assessment Plan

3 3 Harbor Brook Intercepting Sewer Replacement Project – ACJ Milestone Date 12/31/2013 Replaces a significant portion of infrastructure that was originally installed in the early 1900’s feet of interceptor sewer replacement, 5200 feet of local sewer replacement and 1860 feet of sewer rehabilitation. Project green infrastructure elements included tree basins, rain gardens and bio-retention basins. Estimated annual CSO capture is 0.9% or 36 million gallons. Included separation of CSO 013 (Seymour Street) and CSO 016 (Lydell Street)

4 4 CSO 044 Conveyance Project -ACJ Milestone Date 12/31/ foot long 96-inch diameter conveyance pipe line. Conveyance will capture the full 1 year 2 hour storm volume from CSO 044. Project incorporated storm water capture for pipe line flushing. Final restoration included rain gardens. Estimated annual CSO capture is 0.3% or 12 million gallons.

5 5 CSO 022/045 Sewer Separation Project Combined project into one construction contract to minimize administration costs. CSO 022 – Fayette Street and West Genesee Street near Dinosaur BBQ. (Clinton Lower Main Intercepting Sewer CSO Area) CSO 045 – Hudson Street and Crescent Street. (Midland CSO Area)

6 6 Clinton CSO Storage Facility – ACJ Milestone 12/31/ million gallon storage capacity - volume of storage was increased by 40%. Facility will employ green and innovative technologies to reduce operating costs. Very challenging construction ▫Limited site space ▫High chloride concentration in groundwater

7 7 Clinton CSO Storage Facility (cont.)

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10 10 Lower Harbor Brook CSO Storage Facility – ACJ Milestone 12/31/ million gallon storage capacity – volume of storage was increased by 35%. Facility will employ green and innovative technologies to reduce operating costs. Very challenging construction ▫Limited site space ▫High chloride concentration in groundwater

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13 13 Future Projects Floatables Control Plan CSO 063 (Emerson Avenue – Harbor Brook CSO Area) Conveyance Pipe Line. CSO 061 (Crehange Street – Midland CSO Area) Sewer Separation

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