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Greening the Gray - NYWEA 2012
 

Greening the Gray - NYWEA 2012

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Presentation on "greening the gray" projects in Onondaga County, NY. Presented at the 2012 NYWEA Conference by Bob Kukenberger, Gray Infrastructure Program Manager, CDM Smith.

Presentation on "greening the gray" projects in Onondaga County, NY. Presented at the 2012 NYWEA Conference by Bob Kukenberger, Gray Infrastructure Program Manager, CDM Smith.

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    Greening the Gray - NYWEA 2012 Greening the Gray - NYWEA 2012 Presentation Transcript

    • Onondaga County CSO Abatement – Greening the Gray Joanne M. Mahoney, County ExecutiveOnondaga Lake Amended Consent Judgment (ACJ) Compliance Program New York Water Environment Association 84th Annual Meeting Tom Rhoads, Commissioner, Onondaga County Robert Kukenberger, CDM/C&S Kristen Angello, Malcolm Pirnie the Water Division of Arcadis, Bruce Munn, GHD Rob Ganley, O’Brien & Gere
    • Onondaga County, 02/07/12 2 City of Syracuse New York Onondaga Lake Onondaga Creek• 7,660 acres• 49 CSOs Harbor Brook• ~1 Billion gallons/year CSO
    • • 1988 – Atlantic States Legal Foundation History 02/07/12 3 files lawsuit against County• 1989 – Litigation settled through METRO consent judgment Onondaga Lake Facts• 1998 – METRO consent judgment replaced with Amended Consent Watershed: 285 Square Miles Judgment (ACJ) 1 Mile Wide – 4.6 Miles Long• 1st ACJ amendment May 1998• 2006 ACJ Amended to include Average Depth: 35 feet consolidation of ammonia and phosphorus treatment and Harbor Max Depth: 63 feet Brook conveyances and RTF 1940 – Swimming Banned• 3rd Amendment April 2008 (Extension)• 2009 ACJ amended to authorize use of 1970 – Fishing Banned Gray and Green infrastructure
    • 4th ACJ Amendment Authorized a 4 02/07/12Balanced Approach to CSO Abatement Regulatory Goals Community Impacts/Goals • Capture and Treat 95% of the • Improve quality of life through Annual CSO Volume via Gray environmental responsibility & Green Infrastructure • Promote sustainability • Achieve water quality • Ensure cost effectiveness in standards in tributaries and compliance with ACJ milestones lake • Community revitalization Major Milestones • 89.5% capture/elimination by 12/31/2013 • 95% capture/elimination by 12/31/2018
    • Gray Program Manager Needed to 02/07/12 5Support Green/Gray Program• County Required a Willing Partner to Implement Gray while supporting Green• Green and Gray Program Managers needed to collaborate for Balance Green/Gray Program• Gray Program Manager provides Planning and Design coordination and Construction Management for Gray Projects totaling $150 million in construction value
    • 02/07/12Presentation Agenda 6• Learning Objectives• Introduction of Five Gray CSO Projects featuring Green Infrastructure Components• Challenges and Rewards of incorporating Green Infrastructure• Lower Harbor Brook Storage Fly Over
    • 02/07/12Learning Objectives 7• Its easy being Green -Every Gray Project can be Green• Community becomes the Chearleader of Gray projects with Green Components – Investment in Public Infrastructure requires Public Support• Need a balanced Green/Gray Program• The large gray projects would not be feasible as designed without green
    • 02/07/12Greening the Gray Process Flow Chart 8 YesPreliminary Support GI Concepts Community Design for Green? Green Roofs Workshops Rain Gardens Bio Swales Storm water reuse No Porous Pavement Urban Forestry 100% Educational Features Gray Design Continue Gray Design 100% Green/Gray 95% Conceptual Reviews Design Design Design
    • Project 1. Harbor Brook Interceptor 02/07/12 9Sewer Replacement Project• Gray Project Components ▫ ARRA funding $12 million grants, $12 million low interest loans ▫ 7500’ of 18” to 36” diameter interceptor ▫ 3500’ of 36” diameter water main Construction on Fowler HS Grounds ▫ 2 areas of sewer separation
    • Harbor Brook Interceptor Replacement 02/07/12 10Green Components Rain garden on RTF Site 75 Infiltrating Tree Basins
    • 02/07/12Project 2. Midland Avenue Conveyance 11• Green and Gray ▫ Connects major CSO to existing RTF ▫ 96” diameter HDPE Pipeline ▫ Flushing and regulator chambers ▫ $8 million construction ▫ 5,000 gallon Stormwater Reuse for flushing ▫ Community selected Educational Green Infrastructure Trail – To be Presented in Session 15 Public Outreach Tuesday at 1:30pm Construction in Urban Neighborhood
    • 02/07/12Midland Green Educational Trail 12
    • 02/07/12Midland Green Educational Trail 13
    • 02/07/12Project 3. Sewer Separation 14• Two urban areas ▫ one residential ▫ one commercial• 2000’ sanitary sewer installation• 700’ storm sewer installation• 2000’ internal pipe lining• $6 million construction• 20 infiltration trees• Rain Garden in rehabilitated “pocket” park
    • 02/07/12Sewer Separation Pocket Park Rain Garden 15
    • 02/07/12Project 4: Clinton CSO Storage Project 16• Located on site of previously planned RTF in Armory Square• 6 million gallon underground storage facility• $70 million construction cost• 77,000 gallon stormwater storage for flushing• Two biorention basins• Green roof on Operations
    • 02/07/12 17Clinton CSO Storage Completed Site
    • 02/07/12Clinton CSO Storage 18
    • Clinton CSO Storage Reinforced Slurry 02/07/12 19Wall Construction
    • Project 5: Lower Harbor Brook CSO 02/07/12 20Storage Facility• Located on site of previous planned RTF• 5 million gallon circular below grade tank with center flushing system• $30 million construction• 80,000 gallon stormwater storage for flushing• Biorention basin for stormwater capture
    • Challenges and Rewards• Challenges • Rewards ▫ Educating the Team ▫ Community ▫ Green/Gray Design Support and Ownership Coordination ▫ Improves Quality of ▫ Regulatory Reviews Life and Approvals ▫ Design and ▫ Construction Construction Team Quality takes Pride ▫ Warranty and ▫ Lower Life Cycle Maintenance Cost ▫ Dedicated Funding
    • 02/07/12Up Next - Flyover 22
    • 02/07/12 23Questions Visit us at: www.Savetherain.us