Neil Angus, Environmental Planner, Town of Devens

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Practical Tools for Green Infrastructure - Examples from Devens, MA

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  • Regs to address triple-bottom line issues
  • Neil Angus, Environmental Planner, Town of Devens

    1. 1. Green Town – 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. 2. Green Town – how to get there and why it matters 2014 • 4400 ac. Former military base • Superfund Site • DEC – Regulatory Authority • 5.4 million sq.ft. of development & 2,500+/- jobs created Top eco. development site in region (national model) • Sustainable redev. directive Devens Overview
    3. 3. Green Town – how to get there and why it matters 2014 What Is Green Infrastructure? • Integration of nat. & built env.; • Interconnected network: buildings, landscapes, hardscape, water; • Reconnection/replication of nat. eco. functions; • Energy Eff. & RE (more sustainable network of nat. and built systems) • Multi-purpose: stormwater+air quality+ UHI+EE, aesthetics, public health = Improved QOL
    4. 4. Green Town – how to get there and why it matters 2014 How Devens has facilitated GI and LID? •Strong leadership (local gov’t) •Communication/Partnerships •Build on Progressive Strategy : - Education - Incentives - Regulations - Guidelines
    5. 5. Green Town – how to get there and why it matters 2014 • Fact Sheets - Composting, reuse & recycling guidance - Benefits of Street Trees - EPA LID Fact Sheets and MA Smart Growth Toolkit, UNH • Case Studies - LID and ZNE (seeing is believing!) • Coordination with other town departments (leading by example – DPW & Eng.) Education:
    6. 6. Green Town – how to get there and why it matters 2014 • Devens Street tree inventory and replacement program Education:
    7. 7. Green Town – 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. 8. Green Town – how to get there and why it matters 2014 Devens Sustainable Housing Pilot Case Study • Showcase EE & WE, sustainable & affordable construction ($225- $350K) • LID components (reduced pavement widths, porous walkways, on-site roof runoff infiltration (no gutters) and bio-filtration rain gardens) • IAQ/GHG reduction • Cluster/OS protection, smart loc. • Climate adaptation - more resilient buildings &infrastructure HERS -36 for single family, enough excess power an EV for 30,000 miles/yr.
    9. 9. Green Town – how to get there and why it matters 2014 US Fish and Wildlife Visitor Contact Station Showcase for SD & LID: •LID stormwater and roofs •Porous pavement, reinforced turf •Composting toilets •Material Reuse – recl.barn siding •Education kiosk •Trail connections (ONWR) •Nashua River access •It can be done and is being done!
    10. 10. Green Town – how to get there and why it matters 2014 Incentives: • Expedited permitting (Building Reuse 30 days) • SWM credit for LID and green roofs • Relaxed frontage requirements for more EE dev. • RE Building and Electrical Permit Fee Reductions • Net Metering policy (municipal utility) • 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. 11. Green Town – 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 – more green, less grey) -Traffic calming measures (chicanes, bump-outs – 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. 12. Green Town – how to get there and why it matters 2014 Green Infrastructure Guidelines (draft): • Green roof and wall installation guidelines (now on-line) • New Document: • Emphasizing how GI meets multiple reg. requirements • Mapping of where GI connections are needed most • Linking Reuse Plan, Open Space and Trail Plan objectives • Appendices with examples, resources
    13. 13. Green Town – how to get there and why it matters 2014 Frag. Developed Frag. Patches/Edge Unfragmented Patches
    14. 14. Green Town – how to get there and why it matters 2014 Guidelines:
    15. 15. Green Town – how to get there and why it matters 2014 Results: • Triple Bottom-Line approach – Fulfilling Reuse Plan Objectives • Climate mitigation AND adaptation (GHG, resiliency) • Healthier, more attractive natural and built environments • Connecting people with nature • Right mix: balance of Education, Incentives, Guidelines & Regulations
    16. 16. Green Town – how to get there and why it matters 2014 Resources • EPA LID Fact Sheets: http://water.epa.gov/polwaste/green/index.cfm • MA Smart Growth/Smart Energy Toolkit http://www.mass.gov/envir/smart_growth_toolkit/ pages/mod-lid.html • UNH Stormwater Center http://www.unh.edu/unhsc/ • Devens Enterprise Commission http://www.devensec.com/sustain.html
    17. 17. Green Town – how to get there and why it matters 2014 Thanks! neilangus@devensec.com Devens Enterprise Commission www.devensec.com

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