2013 stormwater workshop june 13, 2013

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2013 Stormwater Workshop June 13, 2013 Sponsored By Michiana Stormwater Partnership John J. Dillon Director, LTCP Management City of South Bend

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2013 Stormwater Workshop June 13, 2013. Sponsored By Michiana Stormwater Partnership John J. Dillon Director, LTCP Management City of South Bend. South Bend Consent Decree. Entered May 2, 2012 Required to Develop a CSO LTCP Eliminate dry weather overflows - PowerPoint PPT Presentation

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Page 1: 2013  Stormwater Workshop June 13, 2013

2013 StormwaterWorkshop

June 13, 2013

Sponsored ByMichiana Stormwater Partnership

John J. DillonDirector, LTCP Management

City of South Bend

Page 2: 2013  Stormwater Workshop June 13, 2013

South Bend Consent Decree Entered May 2, 2012 Required to Develop a CSO LTCP

Eliminate dry weather overflows Reduce # of wet weather overflows events

to 4 or fewer. Disinfect overflows in order to meet

Michigan water quality standards at state line.

Page 3: 2013  Stormwater Workshop June 13, 2013

Dam

Overflow Pipe

St. JoeRiver

Pipe To Wastewater

Treatment Plant

Runoff

Why Our Sewers Overflow

CombinedSewer

Sewage

Page 4: 2013  Stormwater Workshop June 13, 2013

Plan OverviewProject Description Cost

(2007 Dollars)Cost

(2013 Dollars)Wastewater Treatment Plan Upgrades WWTP Upgrades $52,416,000 $61,068,000

Phase 1 CSO Collection System Controls

Removal of storm water from South Bend's Facility by implementing sewer separation, detention basin management, or Green Infrastructure Measures.

$49,777,000 $57,993,000

Phase 2 CSO Collection System Controls

CSO Controls Upstream of East Race

Memorial Park Storage Tank $22,220,000 $25,888,000

Old Fire Station Storage Tank $8,683,000 $10,116,000

Ice Rink Parking Lot Storage Tank $20,821,000 $24,258,000

Randolph and Sampson $17,313,000 $20,171,000

Nuner School Storage Tank $7,103,000 $8,275,000

CSO Controls Downstream of East Race

Leeper Park Storage Tank $40,670,000 $47,383,000

Brownsfield Park Storage Tank $6,182,000 $7,202,000

Storage Conduit $42,817,000 $49,884,000

Parallel Interceptor $41,970,000 $48,898,000

Phase 2 Contingency $36,779,000 $42,332,000

Engineering, Legal, Admin Cost $48,912,000 $56,882,000

Other Collection System Projects Sewer Extensions and Replacements, River Crossing #5, and Engineering $74,228,000 $86,480,000

Amount Spent on Phase 1 (2004-2010) $39,570,000 $39,570,000

Total Capital Cost $509,460,000 $586,400,000

Page 5: 2013  Stormwater Workshop June 13, 2013

WWTP Upgrades

Primary Clarifiers Rehabilitation

No. 2

Anaerobic Digester Upgrade

No. 6 No. 7

Final Clarifiers Upgrade

Aeration Influent Channel and Tank Modifications

Page 6: 2013  Stormwater Workshop June 13, 2013

Phase 1 CSO LTCP Projects – Upstream of East Race

³

Page 7: 2013  Stormwater Workshop June 13, 2013

³Phase 1 CSO LTCP Projects – Downstream of East Race

Page 8: 2013  Stormwater Workshop June 13, 2013

Phase 2 CSO Collection System Controls ³

Page 9: 2013  Stormwater Workshop June 13, 2013

LTCP Schedule