Ohio School Facilities Commission Franklin Brown, AIA, REFP, LEED AP SUSTAINABLE ARKANSAS May 20, 2008 Presentation #1

OSFC Funding Sources

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, ,000 EPA Target Finder58,300 ASHRAE 90.1 (1999)50,100 ASHRAE 90.1 (2004)50,100 LEED 2 points45,236 7 points36,031 ASHRAE New K-12 Guide -30% Reduction35,070 LEED10 points30,508 AIA 50% Reduction Goal26,150 Current Ohio School Standards51,100

1. Daylighting Orient school on east-west axis to maximize solar access Btus/Square Foot Glass/Day – 40 0 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 points45,236 7 points36,031 ASHRAE New K-12 Guide -30% Reduction35,070 LEED10 points30,508 AIA 50% Reduction Goal26,150 Current Ohio School Standards51,100 New Proposed Ohio School Standard24, % 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

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