ohio school facilities commission franklin brown, aia, refp, leed ap sustainable arkansas may 20,...
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Ohio School Facilities CommissionFranklin Brown, AIA, REFP, LEED AP
SUSTAINABLE ARKANSAS
May 20, 2008
Presentation #1
OSFC Funding SourcesOSFC Appropriations by Source by Year ($Millions)
-
200
400
600
800
1,000
1,200
1,400
Tobacco - actual
Tobacco Bonds - projected
Cash - projected
Cash - actual
Bonds - projected
Bonds - actual
Evaluation of Ohio Schools Design Manual Standards in Relationship to LEED
Comparison between Rating Systems
Standard (Columbus Middle Schools) Btus/sqft/yr
EIA existing Educational Buildings in Midwest, 1995 85,000
EPA Target Finder 58,300
ASHRAE 90.1 (1999) 50,100
ASHRAE 90.1 (2004) 50,100
LEED 2 points 45,236
7 points 36,031
ASHRAE New K-12 Guide -30% Reduction 35,070
LEED 10 points 30,508
AIA 50% Reduction Goal 26,150
Current Ohio School Standards 51,100
1. Daylighting
Orient school on east-west axis to maximize solar access
Btus/Square Foot Glass/Day – 400 Latitude North
1. Daylighting
Incorporate light-colored roofing materials to enhance radiation entering daylighting glazing
1. Daylighting
Controlled daylighting
1. Daylighting
Controlled daylighting
1. Daylighting
Controlled daylighting
2. Insulation
Additional insulation in walls and ceilings
Walls: R-11.4 versus R-5.7 Roof: R-25 versus R-15
3. Lighting
1.0 Watts/square foot versus 1.2 Watts/square foot
4. Improved Equipment Efficiency
Reduce plug loads and equipment by .5 Watts/square foot
Vending machines
Computers
TV monitors
Mini refrigerators
Walk-in coolers
Kitchen equipment
5. Improved Heating and Cooling
COP: 3.2 versus 2.8 and Condensing Boilers
6. Geothermal
When wells cost less than $11/foot
7. Solar Water Heating
SHW provides majority of cafeteria load
Comparison between Rating Systems
Standard (Columbus Middle Schools) Btus/sqft/yr
LEED 2 points 45,236
7 points 36,031
ASHRAE New K-12 Guide -30% Reduction 35,070
LEED 10 points 30,508
AIA 50% Reduction Goal 26,150
Current Ohio School Standards 51,100
New Proposed Ohio School Standard 24,800
51.5% Reduction
LEED
Gold LEED Rating $4.84/sq ft to $10.38/sq ft
Average $7.61/sq ft
15 year savings from Core $8.42/sq ft Energy Saving Measures
40 year savings from Core $46+/sq ft Energy Saving Measures
QUESTIONS ?
ftp://www.osfc.state.oh.us/MichaelNicklas