Save the Rain’s G Green IInfrastructure f T Tour of the Civic Strip Joanne M Mahoney County Executive Joanne M. Mahoney, County Executive Onondaga Lake Amended Consent Judgment (ACJ) Compliance Program
New York Water Environment Association Spring Technical Conference and Exhibition June 3, 2013 M tth Matthew Mill Millea, D Deputy t C County t E Executive ti ffor Ph Physical i lS Services i Tom Rhoads, Commissioner, Madison Quinn, Public Information Specialist, Paul Legnetto, Program Coordinator (Stormwater), Department of Water Environment Protection Matthew Marko, Program Manager, CH2M HILL
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Onondaga g County, y, New York
Cit off S City Syracuse Onondaga Lake
Onondaga Creek • 7,660 acres • 49 CSOs • Over 500 MGY of CSO
Harbor Brook
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History Onondaga Lake Facts
• 1988 – Atlantic States Legal Foundation3 files lawsuit against County • 1989 – Litigation settled through METRO consent judgment
Watershed: 285 Square Miles
• 1998 – METRO consent judgment replaced with Amended Consent Judgment g ((ACJ))
1 Mile Wide – 4.6 Miles Long
• 1st ACJ amendment May 1998
A Average Depth: D th 35 ffeett Max Depth: 63 feet
• 2006 ACJ Amended to include consolidation of ammonia and phosphorus treatment and Harbor Brook conveyances and RTF
1940 – Swimming Banned
• 3rd Amendment April 2008 (Extension)
1970 – Fishing Banned
• 2009 ACJ amended to authorize use of Gray and Green infrastructure
1998 1998--2008 CSO Abatement Accomplishments • Developed D l dS System t M Model d l (SWMM) • Separated and closed 12 CSO’s • Constructed 4 Floatables Control Facilities (HB, Franklin, Teall, Maltbie ) • Completed 2 Regional Treatment Facilities (Midland, Hiawatha) • Completed 1 storage facility (Erie Blvd) • Completed Clinton Conveyances • At least 35 projects investing over $350 million
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F Fourth th Stipulation Sti l ti tto th the ACJ (2009) • Agreed d to b by all ll parties i ((State, ASLF, County)) • Authorized use of Gray and Green infrastructure • Requires Storage Facilities in place of RTFs • Includes time extension for Construction, and Metro phosphorus effluent limit • Balanced program provides additional water quality and community benefits ▫ Improve quality of life, Promote Sustainability, Ensure cost effectiveness in compliance with ACJ milestones
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Grayy Infrastructure Program g Builds on 10 Years of System Improvements
Ammonia decreased from 8 8,000 000 pounds per day (ppd) to less than 50 ppd Phosphorus decreased from 300 ppd to 50 ppd
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Grayy Infrastructure Program g Summaryy 2009 2009--2013 Gray Projects • Harbor Brook Interceptor (ARRA) • Midland Conveyance (CSO 044) • Clinton Cli S Storage F Facility ili • Harbor Brook Storage Facility and Conveyances • Erie Boulevard Storage System (EBSS) Gate Chamber #3 Improvement • Sewer separation projects Facilities Planning • Floatable Controls
Green Infrastructure Program g Summaryy • Over 100 projects throughout CSS • C Compliments li Gray G Program • Total Gray + Green annuall volume l wet weather capture requirements:
Before/After
89.5% by b Dec 2013 91.4% by 2015 93.0% by 2016 95 0% by Dec 2018 95.0% • Extensive monitoring & reporting required 300 Block of East Water Street, Completed 2011-12
Green Infrastructure Technologies Impervious Area Type
Green Infrastructure Technologies
Flat Roof Buildings
Vegetated Roof
Parking Areas & Sidewalks
Porous Pavements, Bioretention
Roadways
Green Streets (Bioretention, Street Trees) Downspout ow spout Disconnection sco ect o
Residential Rooftops
Rain Barrels & Cisterns Rain Gardens
County Facilities & Schools
Combination of the Above Technologies
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County Executive Mahoney Announces “Project 50!” “Onondaga County will construct fifty distinct green infrastructure projects to return rain water and snow melt to the ground instead of our sewer system.” system. Joanne M. Mahoney, State of the County Address, March 1, 2011
Syracuse recognized as one of EPA’s ten Green Cities
Paradigm shifts from planning to construction
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Onondaga g County y Civic Strip Greening County Facilities Utilizing Multiple Green Infrastructure Technologies
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Onondaga County Civic Strip
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OnCenter Convention Center 66,000 Square Foot Green Roof
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First Commercial Green Street: Harrison Street
BEFORE: Stormwater enters catch basins and is directly connected to sewer
AFTER: Stormwater is diverted to Green Streets and only overflows to sewer when necessary
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First Commercial Green Street: Harrison Street
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OnCenter Surface Parking g Lot: 290 g green spaces p
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GI Technology: Perimeter porous asphalt and tree h l d infiltration trench Project Owner: County Capture Area: 34, q 134,000 square feet Runoff Reduction: 2,360,000 gallons/year Construction Cost: C i C $812,000 (bid) $/gallon: $0.48
Installation of Stone Storage Bed
OnCenter Surface Parking g Lot
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Porous Asphalt P i Perimeter
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OnCenter Municipal Parking Garage
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GI Technology: R f l d i Roof leaders to rain gardens Project Owner: County Capture Area: 7 ,5 72,500 square feet q Runoff Reduction: 1,277,000 gallons/year Construction Cost: C i C $234,000 (bid) $/gallon: $0.26
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OnCenter p Parking g Municipal Garage
Bio-Infiltration
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Before
Townsend Parking Lot (“Lot B”)
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Vegetated Infiltration Beds, 90 Trees Planted
Base Course Asphalt Installed prior to winter shutdown
Volume capture: 975,000 gallons/year
Onondaga County Civic Strip War Memorial Cistern Reuse System
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War Memorial Cistern Reuse System
Use of rainwater has enabled reduced set points for chiller system, resulting in significant energy savings !!!
Onondaga g County y Civic Strip Greening County Facilities Utilizing Multiple Green Infrastructure Technologies
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Beyond the Civic Strip… Strip
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• CSO Treatment Wetlands (Harbor Brook) • Green Parks • Green Schools • Green Parking Lots • Vacant Lot Program • Rain Barrel Program: 1000 and counting (Goal: 3600) Rain Barrel Program: 1000 and counting (Goal: 3600) • Enhanced Street Tree Program: 8500 new street trees • Green Improvement Fund: Onondaga County Green Improvement Fund: Onondaga County’ss Public‐Private‐Partnership for Incentivizing GI • Green Streets ▫ Residential and Commercial R id ti l d C i l
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East Water Street Gateway: Case Study Project Features: ▫ ▫ ▫ ▫ ▫ ▫
Bike Boulevard Traffic Calming Private/Commercial collaboration Porous Paver Parking Lanes Curb Extensions Curb Extensions Robust Tree Planter systems
• Challenges Include: Challenges Include: ▫ Mid‐street pedestrian crossing ▫ Snow plow considerations p ▫ Turning radii for tractor trailers
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Water Street Gateway Project Concept GI Technology: Infiltration trench and porous pavers Project Owner: City of Syracuse Capture Area: 53,000 square feet f t Runoff Reduction: 924,000 gallons/yr Construction Cost: $920,000 (bid) $/gallon: $1 00 $/gallon: $1.00
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Water Street Gatewayy Project j
Before
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Water Street Gatewayy Project j
During
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After
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After
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300 Block Water Street
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300 Block Water Street
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200 Block Montgomery Street
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200 Block Water Street
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200 Block Water Street
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Erie Canal Museum and Visitor Center GI Technology: G Green roof f Project Owner: County Capture Area: 2,000 square feet Runoff Reduction Runoff Reduction: 39,000 gallons/year Construction Cost: $73,480 (bid) 8 (bid) $/gallon: $2.62
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Save the Rain: 2013
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• Focus on Efficiency over Quantity ▫ Improved Constructability ▫ Lower Maintenance
• Utilize SWMM for prioritization of project location Utilize SWMM for prioritization of project location • Unit Price ‐ Quantity Based Construction Procurements Construction Procurements ▫ Civil Site Work Contract ▫ Landscape Installation and Maintenance Contract ▫ Post‐Warranty Maintenance Contract, conducted by Conservation Corps (Community Based Green Jobs)
• Asset Management Program Development Asset Management Program Development
Advantages of Revised Program • Balanced approach: Gray & Green • Improved water quality for tributaries and lake • Gray: • Fixed capture benefit • Depreciates over time
• Green: • Can C appreciate i t over ti time • Ancillary environmental and community benefits
• Onondaga County at the forefront of GI Movement • Philadelphia, PA • Portland, OR • Cincinnati, OH
Cities To Watch: • Syracuse, y , NY • New York, NY
• Milwaukee, WI • Chicago, IL • Kansas City, MO
Thank You! Questions? Please Visit us at www.SaveTheRain.us
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Median Rehabilitation
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• Remove impervious pavers • Re-grade Re grade profile for stormwater capture • Plant large g canopy, py, salt tolerant trees • Maintain pedestrian crosswalks
Linking g with Major j Transportation p Reconstruction Creates Green Progress (Phase 1 - 10.4 Acres) Phase 1 – 10.4 10 4 Acres
Image – Barton & Loguidice
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Connective Corridor
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Image – Barton & Loguidice
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Street Tree Plantings l – 8,500 by b 2018
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GI Technology: 600 trees Project Owner: various Capture Area: 53,000 square feet Runoff Reduction: 1,200,000 gallons/year Construction Cost: $122,350 (bid) $/gallon: $0.10
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Goal: Provide 400 400-1200 1200 cubic feet of soil per 55 tree (varies depending on size & species)
Porous Hardscape or Groundcover
Planting Trench
Standard or Porous Paving
Soil Cells or Structural Soil
Soil & Stormwater Infiltration Bed/ Root Zone
Rendering by Viridian Landscape Studio
Downtown Streetscape p Project j at 200 Block of Montgomery Street
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GI Technology: Enhanced street trees Project Owner: Cit f S City of Syracuse Capture Area: 17,000 square feet Runoff Reduction: 300,000 gallons/yr Construction Cost: $209,000 (estimated) $/gallon: $0.70 Silva Cell
Harrison Street
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Harrison Street
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Harrison Street
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Harrison Street
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