not just another sustainability plan irene ogata, cpm, rla, asla, azapa urban landscape manager july...
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Not Just Another Sustainability Plan
Irene Ogata, CPM, RLA, ASLA, AzAPAUrban Landscape Manager
July 28, 2011
City of Tucson
2011 SUMMER CONFERENCE
Loews Ventana Canyon Resort | Tucson, AZ | July 27-29, 2011
OFFICE OF CONSERVATION & SUSTAINABLE DEVELOPMENTLeslie Ethen, Director
Overview
• The funding source: DOE Energy Efficiency Community Block Grant (EECBG)
• Projects:• Neighborhood Streetlight Conversion
Program
• City of Tucson Parking Lot Lighting Retrofit
• City of Tucson Internal Green Team
Energy Efficiency Community Block Grant (EECBG)
• Part of the American Recovery and Reinvestment Act 2009
• Received funding in November 2009• Projects to be completed by
November 2012
Neighborhood Street Light Conversion Program
• Total contract budget: $420,710
• 2 contractors selected
• 850 Residential street light fixtures replaced
• Low sodium pressure lamps replaced with LED
• 6 neighborhoods identified (1 in each of 6 Ward districts)
Neighborhood Street Light Conversion Program
• $420,710 = Installation & Materials
• 850 = lamps replaced (9,000 city-wide)
• $48 = per lamp savings /per year
• $40,800 = per year electric utility cost savings
• LED life span 18 yrs vs 5 yrs LPSL
• 10 years = simple payback (does not include expenses avoided or incurred for life of LED)
Low PressureSodium Lamp
Low LED Lamp
Neighborhood Street Light Conversion Program
• Dark Sky concerns: more difficult for telescopes to filter out the white/blue range of light than orange = request 3600 K or less
• Important to have fixtures with light cut-off features – downward focused
• Potential to create a revolving loan fund utilizing annual savings
Notes
Source: Cutoff library.municode
City Parking Lot Lighting Retrofit Program
• Total contract budget: $202,000
• City’s fleet parking lot at Thomas O. Price Service Center, • majority of City’s 2,500 vehicle
fleet parked and serviced here
• 97 fixtures retrofitted
City Parking LotLighting RetrofitProgram
• $202,000 = Installation & Materials
• 97 = lamps retrofitted (106 fixtures in parking lot)
• $16,457 = total electric savings / year
• 164.6 MWh = savings / yr
• 129.9 tons CO2 savings / yr
• 12 years = simple payback (does not include expenses avoided or incurred for life of LED)
High PressureSodium Lamp
Low LED Lamp
Source: lightingtrendsblog.com
• Same concerns as Neighborhood Street Light Conversion Program
Notes
City Parking LotLighting RetrofitProgram
Source: Cutoff library.municode
• Grant description:
• Objective:• Implement Mayor & Council policies• Illustrate City is operating facilities as efficiently as
possible• Sustainability & Green Practices have tangible results
• 1997: Internal Green Team formed as part of Special Projects out of the Manager’s Office
City Green Team Program
‘. . . supporting our nascent City green Team as it works to build resource efficiency and sustainability into City operations, purchasing and facilities management.’
• Basic format:• 3 Green Teams: 1) Energy, 2) Water, 3) Waste/
Procurement
• Process• Baseline data gathering• Filling in the Gaps• Recommendations & prioritization• Recommendations and metrics• Reporting
• The Green Team’s recommendations
City Green Team Program
Conclusion
• Jurisdictions are doing something – need to bring forward information
• Community is watching and are a part of solution
• Change and improvements are inevitable
Irene Ogata, CPM, RLA, ASLA, AzAPAUrban Landscape Manager
July 28, 2011
City of Tucson
OFFICE OF CONSERVATION & SUSTAINABLE DEVELOPMENTLeslie Ethen, Director
Contact:Leslie Ethen, OCSD Director: leslie.ethen@tucsonaz.govIrene Ogata, OCSD Urban Landscape Manager: irene.ogata@tucsonaz.gov
OCSD website: http://www.tucsonaz.gov/ocsd/
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