Not Just Another Sustainability Plan Irene Ogata, CPM, RLA, ASLA, AzAPA Urban Landscape Manager July...

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/