DOE-2 Energy Modeling Summary - Courthouse
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BUILDING ENVELOPE AND INTERIOR WALL CONSTRUCTIONS
Building Envelope Constructions:
Windows:
C Double pane, Low-e
C
U center of glass
0.32
C
Visible transmittance
57%
C
Shading coefficient
0.35
C
Thermally broken aluminum frames
C
U fenstration
0.43
Windows (Curtain Wall):
C
Double pane, Low-e
C
U center of glass
0.32
C
Visible transmittance
57%
C
Shading coefficient
0.35
C
Without thermally broken aluminum frames
C
U fenstration
0.59
Exterior wall construction (basement - between parking and conditioned) :
C
8" concrete masonry units (CMU)
C
3 e" steel studs @ 24" o.c. w/R-11 fiberglass batt insulation
C
e" gypsum board
C
Effective Uvalue = 0.113
Exterior wall construction (basement - between ground and conditioned ):
C
12" concrete walls
C
Effective Uvalue = 0.02
Exterior wall construction (1st & 2nd floors):
C
3" handset stone
C
1" air space
C
8" CMU
C
1" extruded polystyrene insulation (R-5/in.)
C
e" gypsum board
Uvalue = 0.119 (includes air films)
Exterior wall construction (3rd thru 5th floors):
C
Precast concrete panels
C
1" extruded polystyrene insulation (R-5/in.)
C
6" steel stud @ 16" o.c. w/ R-19 fiberglass batt insulation
C
" gypsum wallboard
C
Uvalue = 0.066 (includes air films)
APPENDIX I - GSA LEED COST STUDY
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