The document discusses how the town of Devens, Massachusetts has implemented green infrastructure and low impact development practices. It describes Devens as a former military base that is now a model of sustainable redevelopment, with over 5 million square feet of development and 2,500 jobs created. It outlines how Devens has facilitated green infrastructure through strong leadership, partnerships, and a progressive strategy of education, incentives, regulations, and guidelines. Case studies highlight specific green infrastructure projects in Devens that have achieved cost savings and environmental benefits.
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Neil Angus, Environmental Planner, Town of Devens
1. Green Town โ how to get there and why it matters 2014
Practical Tools for Green Infrastructure
Devens, MA Examples
Neil Angus, AICP CEP, LEED AP BD+C, ND
Environmental Planner
Devens Enterprise Commission
2. Green Town โ how to get there and why it matters 2014
โข 4400 ac. Former military base
โข Superfund Site
โข DEC โ Regulatory Authority
โข 5.4 million sq.ft. of
development & 2,500+/- jobs
created Top eco. development
site in region (national model)
โข Sustainable redev. directive
Devens Overview
3. Green Town โ how to get there and why it matters 2014
What Is Green Infrastructure?
โข Integration of nat. & built env.;
โข Interconnected network: buildings,
landscapes, hardscape, water;
โข Reconnection/replication of nat.
eco. functions;
โข Energy Eff. & RE (more sustainable
network of nat. and built systems)
โข Multi-purpose: stormwater+air
quality+ UHI+EE, aesthetics, public
health = Improved QOL
4. Green Town โ how to get there and why it matters 2014
How Devens has facilitated GI and LID?
โขStrong leadership (local govโt)
โขCommunication/Partnerships
โขBuild on Progressive Strategy :
- Education
- Incentives
- Regulations
- Guidelines
5. Green Town โ how to get there and why it matters 2014
โข Fact Sheets - Composting, reuse & recycling guidance
- Benefits of Street Trees
- EPA LID Fact Sheets and MA Smart Growth Toolkit, UNH
โข Case Studies - LID and ZNE (seeing is believing!)
โข Coordination with other town departments (leading by
example โ DPW & Eng.)
Education:
6. Green Town โ how to get there and why it matters 2014
โข Devens Street tree inventory and replacement program
Education:
7. Green Town โ how to get there and why it matters 2014
Low-Impact Development (LID)
Devens Case Study: 27 Jackson Road
Apex bio-filtration landscape islands (Phase 1) Apex bio-filtration landscape islands (Phase 2)
Reduced site paving -$32,000
Reduced curbing -$50,000
Reduced stormwater piping -$14,000
Reduced stormwater structures -$68,000
Increased landscaping +$12,000
Increased site preparation +$10,000
Increased soil mix +$18,000
Total Estimated Savings: -$124,000
8. Green Town โ how to get there and why it matters 2014
Devens Sustainable Housing Pilot Case Study
โข Showcase EE & WE, sustainable &
affordable construction ($225-
$350K)
โข LID components (reduced pavement
widths, porous walkways, on-site
roof runoff infiltration (no gutters)
and bio-filtration rain gardens)
โข IAQ/GHG reduction
โข Cluster/OS protection, smart loc.
โข Climate adaptation - more resilient
buildings &infrastructure
HERS -36 for single family, enough
excess power an EV for 30,000 miles/yr.
9. Green Town โ how to get there and why it matters 2014
US Fish and Wildlife Visitor Contact Station
Showcase for SD & LID:
โขLID stormwater and roofs
โขPorous pavement, reinforced turf
โขComposting toilets
โขMaterial Reuse โ recl.barn siding
โขEducation kiosk
โขTrail connections (ONWR)
โขNashua River access
โขIt can be done and is being done!
10. Green Town โ how to get there and why it matters 2014
Incentives:
โข Expedited permitting (Building Reuse 30 days)
โข SWM credit for LID and green roofs
โข Relaxed frontage requirements for more EE dev.
โข RE Building and Electrical Permit Fee Reductions
โข Net Metering policy (municipal utility)
โข Financial incentives for LEED projects (15% fee refund)
Bio-filtration landscape
Islands in New Parking Lot
of Office Complex
Adaptive building re-use
(Eglomise Designs)
11. Green Town โ how to get there and why it matters 2014
Regulations to facilitate Green Infrastructure:
Subdivision
-Complete Streets Standards (street trees, LID drainage, reduced pavement
widths, ped scale design)
-Additional street types (neighborhood, parkway โ more green, less grey)
-Traffic calming measures (chicanes, bump-outs โ additional planting opps.)
Site Plan
-Green Roof & Green Wall Regs
-Tree Protection and Steep Slope Overlay
-EV & carpool parking, parking maximums, bike lanes, anti-idling
(GHG/TDM)
General Regulations
-Updated stormwater and low-impact development standards (DEP & UNH)
-Renewable energy standards (Green Communities) and water efficiency
-Greenhouse Gas mitigation standards (Stretch Code, green roofs, inventory)
http://www.devensec.com/devserv.html
12. Green Town โ how to get there and why it matters 2014
Green Infrastructure Guidelines (draft):
โข Green roof and wall installation guidelines (now on-line)
โข New Document:
โข Emphasizing how GI meets multiple reg. requirements
โข Mapping of where GI connections are needed most
โข Linking Reuse Plan, Open Space and Trail Plan objectives
โข Appendices with examples, resources
13. Green Town โ how to get there and why it matters 2014
Frag. Developed
Frag. Patches/Edge
Unfragmented Patches
14. Green Town โ how to get there and why it matters 2014
Guidelines:
15. Green Town โ how to get there and why it matters 2014
Results:
โข Triple Bottom-Line approach โ
Fulfilling Reuse Plan Objectives
โข Climate mitigation AND adaptation
(GHG, resiliency)
โข Healthier, more attractive natural
and built environments
โข Connecting people with nature
โข Right mix: balance of Education,
Incentives, Guidelines & Regulations
16. Green Town โ how to get there and why it matters 2014
Resources
โข EPA LID Fact Sheets:
http://water.epa.gov/polwaste/green/index.cfm
โข MA Smart Growth/Smart Energy Toolkit
http://www.mass.gov/envir/smart_growth_toolkit/
pages/mod-lid.html
โข UNH Stormwater Center
http://www.unh.edu/unhsc/
โข Devens Enterprise Commission
http://www.devensec.com/sustain.html
17. Green Town โ how to get there and why it matters 2014
Thanks!
neilangus@devensec.com
Devens Enterprise Commission
www.devensec.com