DOE-2 Energy Modeling Summary - Office Building
Page 9 of 21
Computer Room
All year
Weekdays
All hours
AHU fans on
Weekends, Holidays All hours
AHU fans on
Mechanical
All year
Weekdays
6 a.m. - 8 p.m.
AHU fans on
8 p.m. - 6 a.m.
AHU fans off unless heating or cooling
required
Weekends, Holidays 8 p.m. - 6 a.m.
AHU fans off unless heating or cooling
required
Parking Area
All year
Weekdays
6 a.m. - 10 a.m.
AHU fans on
10 a.m. - 3 p.m.
AHU fans off
3 p.m. - 8 p.m.
AHU fans on
8 p.m. - 6 a.m.
AHU fans off
Weekends, Holidays All hours
AHU fans off
(The Parking Area fan schedule reflects carbon monoxide sensor controls.)
Ventilation and Exhaust Air
Ventilation Air Amounts
Requirements per ASHRAE 62-1999
General
20 cfm per person
0.05 cfm/ft2
Corridors
1.5 cfm/ft2
Parking
Ventilation Air Schedules
Ventilation air schedules follow the schedules described in Section B, Building Occupancy
Patterns. When no ventilation is required, 2% of the rated fan flow is assumed due to damper
leakage.
Exhaust fans
Efficiency
65% (combined fan and motor efficiency)
Static pressure drop
2 in. W.C.
Schedule
follows AHU fan schedule
APPENDIX J - GSA LEED COST STUDY
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