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Where State Funded Schools. Stand in relation to the State of Arizona Energy & Renewable resources mandates. Energy Codes. Arizona – Home rule state – codes are adopted and enforced on a local level. 21 local municipal governments have adopted energy codes

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where state funded schools

Where State Funded Schools

Stand in relation to the State of Arizona Energy & Renewable resources mandates

energy codes
Energy Codes
  • Arizona – Home rule state – codes are adopted and enforced on a local level.
  • 21 local municipal governments have adopted energy codes
  • ASHRAE – American Society of Heating, Refrigerating and Air-Conditioning Engineers – is a national model code that may be adopted by state or local governing body (ASHRAE gets revised every few years)
  • IECC – International Energy Conservation Code – another national model code that may be adopted by state or local governing body (IECC gets revised every few years)
  • For the most part the recent versions of both the codes are slightly different in their requirements
energy codes1
Energy Codes
  • Design Professionals are required to comply with the corresponding local energy code to get a building permit
  • All state owned or funded new buildings must comply with ASHRAE 2004
  • 14 Jurisdictions have adopted IECC 2003 (example: Tucson - Sustainable Energy Standard)
  • 2 Jurisdictions have adopted IECC 2000 (example: Pinal County)
  • Only Phoenix has adopted IECC 2004 to date
energy codes comparison
Energy Codes Comparison

* Could be accomplished with low-e glazing; double-pane glazing; shading devices; awnings etc.

energy codes comparison2
Energy Codes Comparison

* Also minimum requirements of SFB Guidelines

energy codes comparison3
Energy Codes Comparison
  • Conclusion:
    • Energy Codes are minimum requirements
    • The more recent the energy code the more stringent are the minimum requirements
slide8
LEED
  • Leadership in Energy and Environmental Design (LEED) – a Green Building Rating system developed by U.S. Green Building Council (USGBC)
  • National Standard for developing high-performance sustainable buildings
  • Rating system with 69 possible points
  • Four Levels of Rating
    • Certified – Minimum 26 points
    • Silver – Minimum 33 points
    • Gold – Minimum 39 points
    • Platinum – Minimum 52 points
  • Executive Order 2005-05 requires all state-funded buildings to meet at least LEED Silver standards “ to the extent practicable”
slide9
LEED
  • LEED certification requires Commissioning of buildings
  • LEED pursuit involves commissioning fees, application fees and review fees
  • Five major Categories
    • Sustainable Sites
    • Water Efficiency
    • Energy & Atmosphere
    • Materials & Resources
    • Indoor Environmental Quality
slide11

Points that would incur some additional costs ($3/sf to $8/sf) – 8 points

Total = 28 (Minimum 26 points for LEED Certified rating)

slide12

Points with higher initial costs and potential 8 year payback – 7 points

Total = 35 (Minimum 33 points for LEED Silver rating)

slide13

Ideas and Techniques with potential 8 year paybacks- Waterless Urinals

Less Maintenance

No Flush Control

No Sensors

No Water leaks

1 to 4 years payback

Educate

Maintenance staff

Low installation costs

slide14

Ideas and Techniques with potential 8 year paybacks- Enhance building insulation

Suggest standard R-30 Roofs

Suggest R-19 Walls

slide15

Ideas and Techniques Elements with potential 8 year paybacks- Reflective Coating on roofing system

Reduce heat gain through high-reflective

coating

slide16

Ideas and Techniques with potential 8 year paybacks- Occupancy Sensors on regularly occupied spaces

Reduce energy by treating only

required amount of outside air

Occupancy Sensors cost approximately $150 per room

slide17

Ideas and Techniques with potential 8 year paybacks- Daylight Sensors to harness daylight and reduce power consumption

Allow more window to wall area ratio - clerestory

Educational values

slide18

Ideas and Techniques with potential 8 year paybacks

  • Providing adequate insulation on hot-water pipes
  • Providing Bi-level switching and dimmers
slide19

CONCLUSION

  • For our schools to be the most energy efficient and sustainable will require a holistic approach to the design and continuing education for the users
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