3.9 : Educational Facilities




3.9.8 Advanced Energy Design Guide for Typical Educational Facilities (1)
Shell
Percent Glass Maximum 35%
Window U-Factor 0.33 - 0.56
Wall R-Value 5.7 - 15.2
Roof R-Value
Attic 30.0 - 60.0
Insulation Above Deck 25.0
Wall Material Mass: Heat Capacity > 7 Btu/SF*F
Lighting
Average Power Density(Watts/ft.^2)
With Daylighting 1.2
Without Daylighting 0.9 - 1.1
System and Plant
System and Plant
1 Central System
Packaged Multi-Zone w/ Economizer Comply with ASHRAE 90.1
Heating Plant: Gas Boiler 80-85 Combustion Efficiency
Cooling Plant: Water-Cooled Chiller Comply with ASHRAE 90.1
Service Hot Water: Gas Boiler 90 Combustion Efficiency
Note(s): 1) Guide provides approximate parameters for constructing a building which is 30% more efficient than ASHRAE 90.1-1999. Ranges are because of climate zone dependencies.









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