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Green Schools/LEED SchoolsJulie Walleisa, AIA, LEED AP

CERTIFIED

CERTIFIED

GOLD

GOLDGOLD

SILVER

200+ person multidisciplinary firmOffices in NM, TX, NV

Green building = Actually gets resultsIntentional3rd party verified

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REALITY

GOALSaccountability

calculations

trained reviewers

Continuous improvement

deliverablesvetted

rigor

Should you use an established system and structure like LEED, or create your own?

flexible

Framework for making decisions

Minimum expectations

Peer review

Strict deliverables

Comparability

Energy and water savings

Better investment

Better learning environment

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Case Study ‐ RRPS

Lessons Learned

N

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Separatetraffic

ShelterPlayground

Supervise

Adjust to topography

Future expansion

Efficientcirculation

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Stapleton ES

Maggie Cordova ES

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Design

Original prototypes:

Standard plumbing fixtures

Typical insulation and materials

Rooftop packaged units

‐ Low cost‐ Simple maintenance

T8 fluorescent lighting

Physical Changes:

Increased insulationR‐24 walls, R‐38 roof

Efficient low‐e glazing

High‐efficiency mechanical units

Waterless urinals

Dual‐flush toilets

Faucet restrictors

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Physical Changes:

Low‐emittingmaterials

RecycledmaterialsAluminum, steel, insulation, gypsum board, ceiling tile, concreteCeramic tile, toilet partitions 

RegionalmaterialsCMU, concrete, asphalt, gravel, plantsGypsum board, sheathing

Process Changes:Construction Waste Recycling

IAQ Management Plan

Commissioning

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Sandia Vista ES

Cielo Azul ES

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Cost/Benefit Study

Premium and paybackWater and energyHard and soft costsOwnerArchitectContractor

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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

Savings:Utility bills for originals vs models/calculations for newProjected 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 impactMore plumbing fixtures due to switch to IBC

Cost/Benefit Study

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Results

LEED Silver certifiedEnvironmental Impact

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Indoor water conservation: actual numbers

5 year savings: 1M to 1.8M gallons

0.000

1.000

2.000

3.000

4.000

5.000

6.000

7.000

8.000

9.000

10.000

ESES MCES CAES SVES

87,5

70 s

f 78,6

10 s

f

85,5

13 s

f

85,5

13 s

f Gal

.

Water & Sewer ConsumptionGal. per Sq. Ft.

7.4

9.3

5.0 4.9

$0.54

$0.55

$0.56

$0.57

$0.58

$0.59

$0.60

$0.61

$0.62

$0.63

$0.64

$0.65

ESES MCES CAES SVES

87,5

70 s

f

78,6

10 s

f

85,5

13 s

f

85,5

13 s

f

Elec. ConsumptionRate per Sq. Ft.

Portables

Evening/weekend use

First 12 months

Commissioning issues

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0

100

200

300

400

500

600

700

MCES ESES CAES SVES

481

610.5

252196

Staff Sick Days2008 ‐ 2009 SY

Already seeing:

Water savingsElectricity savingsReduced teacher absenteeism

Limitations:Gas usage not yet clear1st year data is incomplete

Commissioning during part of first year

Need 2‐3 years of data for it to be meaningful

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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 resultsContinue to improve

Julie Walleisa, AIA, LEED APjuliew@dpsdesign.org