SLIDE 1 Implementation and Assessment of the Effectiveness Implementation and Assessment of the Effectiveness
- f Green Infrastructure Technology in Newark NJ
- f Green Infrastructure Technology in Newark NJ
- f Green Infrastructure Technology in Newark, NJ
- f Green Infrastructure Technology in Newark, NJ
2011 Low Impact Development Symposium 2011 Low Impact Development Symposium September 28 September 28th
th, 2011
, 2011
Caitlyn Nichols, Franco Caitlyn Nichols, Franco Montalto Montalto, Eric Rothstein, Amanda , Eric Rothstein, Amanda Bayley Bayley, Ian , Ian Lipsky Lipsky, Brian Mitchell, Evelyn Powers, Bob Nyman, Debbie Mans , Brian Mitchell, Evelyn Powers, Bob Nyman, Debbie Mans
SLIDE 2 Partners Partners
– NY/NJ Baykeeper – NY/NJ Harbor Estuary Program
– Interstate Environmental Commission (IEC) – eDesignDynamics (EDD) – City of Newark y – Greater Newark Conservancy (GNC)
SLIDE 3 Presentation Outline Presentation Outline
This project is “green” in terms of: This project is green in terms of:
Si i
- Siting
- Design process
- Construction
- Performance
Performance
SLIDE 4 Funding Sources Funding Sources
Environmental Damages
- Harbor Estuary Program Grant
SLIDE 5
Siting Siting
SLIDE 6 Photo courtesy of Lawler, Matusky& Skelly Engineers, LLP
SLIDE 7 City of Newark Drainage Districts
Photo courtesy of Lawler, Matusky& Skelly Engineers, LLP
SLIDE 8 Design goals Design goals
- Maximize runoff collection area, including
Maximize runoff collection area, including roofs of adjacent buildings
- Use the runoff to transform a blighted lot into
Use the runoff to transform a blighted lot into a community asset/park
- Use the project as an opportunity to
Use the project as an opportunity to demonstrate multiple GI opportunities in Newark
- Monitor project performance in a low cost
and affordable way
SLIDE 9 Design Process Design Process
charettes (including participation of participation of school children)
- Final design
- Final design
incorporates community goals: y g
– Water features and planting beds d l – Outdoor classroom
SLIDE 10
Site Schematic
SLIDE 11
Construction Construction
Construction activities performed with ex‐offenders as part of a green workforce training program a green workforce training program
SLIDE 12 LID Measures Installed
Rain garden Permeable pavement Rain barrel / Cisterns Play pump
SLIDE 13 Performance Performance
Quantified in a variety of different ways: Quantified in a variety of different ways:
i l
- Recreational
- Habitat
- Food production
- Hydrologic
Hydrologic
- Water quality improvement
SLIDE 14
Aesthetic performance Aesthetic performance
SLIDE 15
Recreational Recreational
SLIDE 16
Performance as habitat Performance as habitat
May September May September
SLIDE 17
Food crops Food crops
SLIDE 18 Hydrologic performance Hydrologic performance
Event 4A Event 4B Event 4A 11% infiltrated Event 4B 30% infiltrated
SLIDE 19 % infiltrated % infiltrated varies by storm (4‐69%)
19
SLIDE 20
Water quality monitoring Water quality monitoring
Monitoring Description g Locations p 1 Subsurface cistern 2 Test well in the center of the permeable pavement 3 Blow off valve for subsurface detention crates 4 Grey solo rain barrel 5 Treadle pump discharge into barrel line for reuse 6 Re se spigot at end of barrel line 6 Reuse spigot at end of barrel line
SLIDE 21 Water Quality sampling Water Quality sampling
q y component intended to complement hydrologic monitoring monitoring
intended to target intended to target pollutant reductions
influence discharge volume
SLIDE 22
GI train 1:
Station 1 Station 2 Station 3
SLIDE 23
GI Train 2:
Station 3 Station 4 Station 5
SLIDE 24
Water Quality Results: indicator bacteria
SLIDE 25
Water Quality Results: T, pH Water Quality Results: T, pH
SLIDE 26 Conclusions Conclusions
Urban vacant lots present a wide range of “green” opportunities
– Community driven design U b it li ti – Urban revitalization – Runoff reduction – Aesthetic/recreational – Aesthetic/recreational improvement – Educational opportunity
