200 likes | 324 Views
Presentation #1. SUSTAINABLE ARKANSAS May 20, 2008. Ohio School Facilities Commission Franklin Brown, AIA, REFP, LEED AP. OSFC Funding Sources. Evaluation of Ohio Schools Design Manual Standards in Relationship to LEED. Comparison between Rating Systems.
E N D
Presentation #1 SUSTAINABLE ARKANSAS May 20, 2008 Ohio School Facilities Commission Franklin Brown, AIA, REFP, LEED AP
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