Albuquerque Public Schools: Green Schools/LEED Schools

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Presentation given at an APS panel discussing whether green schools need to be LEED schools

Presentation given at an APS panel discussing whether green schools need to be LEED schools

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  • 1. 3/16/2010 Green Schools/LEED Schools Julie Walleisa, AIA, LEED AP 200+ person multidisciplinary firm Offices in NM, TX, NV Green building = Actually gets results Intentional 3rd party verified CERTIFIED SILVER GOLD CERTIFIED GOLD GOLD 1
  • 2. 3/16/2010 GOALS trained  rigor accountability reviewers deliverables calculations vetted Continuous improvement flexible REALITY Should you use an established system and  structure like LEED, or create your own? Framework for making decisions Minimum expectations Peer review Strict deliverables Comparability Energy and water savings Better investment Better learning environment 2
  • 3. 3/16/2010 Case Study ‐ RRPS Lessons Learned N 3
  • 4. 3/16/2010 Separate traffic Shelter Playground Supervise Adjust to  topography Future expansion Efficient circulation 4
  • 5. 3/16/2010 Stapleton ES Maggie Cordova ES 5
  • 6. 3/16/2010 Design Original prototypes: Standard plumbing fixtures Typical insulation and materials Rooftop packaged units ‐ Low cost ‐ Simple maintenance T8 fluorescent lighting Physical Changes: Increased insulation R‐24 walls, R‐38 roof Efficient low‐e glazing High‐efficiency mechanical units Waterless urinals Dual‐flush toilets Faucet restrictors 6
  • 7. 3/16/2010 Physical Changes: Low‐emitting materials Recycled materials Aluminum, steel, insulation, gypsum  board, ceiling tile, concrete Ceramic tile, toilet partitions  Regional materials CMU, concrete, asphalt, gravel, plants Gypsum board, sheathing Process Changes: Construction Waste Recycling IAQ Management Plan Commissioning 7
  • 8. 3/16/2010 Sandia Vista ES Cielo Azul ES 8
  • 9. 3/16/2010 Cost/Benefit Study Premium and payback Water and energy Hard and soft costs Owner Architect Contractor 9
  • 10. 3/16/2010 Cost: Stapleton Cordova Sandia Vista Cielo Azul $9.3M  $10.2M $14.1M $14.7M Size: 73,000sf 76,000sf 85,500sf 85,500sf Site: $150,000  $109,000  $540,000  $1,076,000 Escalation 2004 to 2007: 1.25x Adjusted:  $160.22/sf original $162.31/sf new  1.3% premium Cost/Benefit Study Savings: Utility bills for originals vs models/calculations for new Projected savings on electricity, gas, water $0.87/sf/yr $73,000 per school per year 2 year payback projected Not factored in:  Expedited schedule cost impact More plumbing fixtures due to switch to IBC 10
  • 11. 3/16/2010 Results Environmental Impact LEED  Silver certified 11
  • 12. 3/16/2010 12
  • 13. 3/16/2010 Indoor water conservation: actual numbers 5 year savings: 1M to 1.8M gallons Water & Sewer Consumption Gal. per Sq. Ft. 9.3 10.000 9.000 7.4 8.000 78,610 sf 7.000 6.000 87,570 sf 5.0 4.9 Gal. 5.000 85,513 sf 85,513 sf 4.000 3.000 2.000 1.000 0.000 ESES MCES CAES SVES Elec. Consumption Rate per Sq. Ft. $0.65 $0.64 $0.63 $0.62 87,570 sf $0.61 78,610 sf $0.60 85,513 sf $0.59 $0.58 $0.57 85,513 sf $0.56 $0.55 $0.54 ESES MCES CAES SVES Portables First 12 months Evening/weekend use Commissioning issues 13
  • 14. 3/16/2010 Staff Sick Days 2008 ‐ 2009 SY 610.5 700 600 481 500 400 252 300 196 200 100 0 MCES ESES CAES SVES Already seeing: Water savings Electricity savings Reduced teacher absenteeism Limitations: Gas usage not yet clear 1st year data is incomplete Commissioning during  part of first year Need 2‐3 years of data for it to be  meaningful 14
  • 15. 3/16/2010 Green building doesn’t happen  accidentally LEED costs are small compared  to the life cycle benefit Objective, 3rd party  verification is crucial to success LEED continues to evolve APS can: Guide teams Track results Continue to improve Julie Walleisa, AIA, LEED AP juliew@dpsdesign.org 15