8/4/2019 Mech Binder
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RoomOccupan
cy
Classific
ation
Area
(SF)
Rp
People
Outdoor
Airflow
(cfm/per
son)
Ra Area
Outdoor
Airflow
Rate
(cfm/ftsq)
Occupanc
y Density
(ppl/1000s
qft)
Pz Zone
Populatio
n
Vzb =
RpPz+R
aAz
Ez
Distributi
on
Effective
ness
Vot
Outdoor
Air
Required
(cfm)
Actual
Outside
Air
Supplie
d (CFM )
Exhaust
Air
Required
(CFM)
Actual
Exhaust
Air
Supplied
(CFM )
Bldg Type 11st Flr Lobby Lobby 67 7.5 0.06 20 2 19 1.0 19
1st Flr Corridor Corridor 900 0.06 54 1.0 54
73 500
Typical Flr Lobby Lobby 67 7.5 0.06 20 2 19 1.0 19
Typical Flr Corridor Corridor 647 0.06 39 1.0 39
58 500
Bldg Type 21st Flr Lobby Lobby 67 7.5 0.06 20 2 19 1.0 19
1st Flr Corridor Corridor 918 0.06 55 1.0 55
74 500
Typical Flr Lobby Lobby 67 7.5 0.06 20 2 19 1.0 19
Typical Flr Corridor Corridor 647 0.06 39 1.0 39
58 5
Bldg Type 3Terrace Lobby Lobby 67 7.5 0.06 20 2 19 1.0 19
Terace Corridor Corridor 743 0.06 45 1.0 45
64 500
Terace Storage 'A' Storage 579 0.06 35 1.0 35
Terace Storage 'A' Corridor 406 0.06 24 1.0 24
59 60
Terace Storage 'B' Storage 1197 0.06 72 1.0 72
Terace Storage 'B' Corridor 712 0.06 43 1.0 43
115 120
Terace Storage 'C' Storage 529 0.06 32 1.0 32
Terace Storage 'C' Corridor 381 0.06 23 1.0 23
55 60
1st Flr Lobby Lobby 67 7.5 0.06 20 2 19 1.0 19
1st Flr Corridor Corridor 802 0.06 48 1.0 48
67 500
Typical Flr Lobby Lobby 67 7.5 0.06 20 2 19 1.0 19
Typical Flr Corridor Corridor 647 0.06 39 1.0 39
58 500
Maintenance BldgToilet 50 80
2006 Virginia Mechanical Code - Tabel 403.3 - Ventilation
Rate
2006 IMC Section 402 Outside Air provided by Natural Ventila
tionMaintenance Office
Maintenance Shop
All Appartment Units
The following areasare ventilated by means of natural
ventilation via operable windows and doors:
8/4/2019 Mech Binder
3/12
RoomOccupan
cy
Classific
ation
Area
(SF)
Rp
People
Outdoor
Airflow
(cfm/per
son)
Ra Area
Outdoor
Airflow
Rate
(cfm/ftsq)
Occupanc
y Density
(ppl/1000s
qft)
Pz Zone
Populatio
n
Vzb =
RpPz+R
aAz
Ez
Distributi
on
Effective
ness
Vot
Outdoor
Air
Required
(cfm)
Actual
Outside
Air
Supplie
d (CFM )
Exhaust
Air
Required
(CFM)
Actual
Exhaust
Air
Supplied
(CFM )
Bldg Type 11st Flr Lobby Lobby 67 7.5 0.06 20 2 19 1.0 19
1st Flr Corridor Corridor 900 0.06 54 1.0 54
73 500
Typical Flr Lobby Lobby 67 7.5 0.06 20 2 19 1.0 19
Typical Flr Corridor Corridor 647 0.06 39 1.0 39
58 500
Bldg Type 21st Flr Lobby Lobby 67 7.5 0.06 20 2 19 1.0 19
1st Flr Corridor Corridor 918 0.06 55 1.0 55
74 500
Typical Flr Lobby Lobby 67 7.5 0.06 20 2 19 1.0 19
Typical Flr Corridor Corridor 647 0.06 39 1.0 39
58 5
Bldg Type 3Terrace Lobby Lobby 67 7.5 0.06 20 2 19 1.0 19
Terace Corridor Corridor 743 0.06 45 1.0 45
64 500
Terace Storage 'A' Storage 579 0.06 35 1.0 35
Terace Storage 'A' Corridor 406 0.06 24 1.0 24
59 60
Terace Storage 'B' Storage 1197 0.06 72 1.0 72
Terace Storage 'B' Corridor 712 0.06 43 1.0 43
115 120
Terace Storage 'C' Storage 529 0.06 32 1.0 32
Terace Storage 'C' Corridor 381 0.06 23 1.0 23
55 60
1st Flr Lobby Lobby 67 7.5 0.06 20 2 19 1.0 19
1st Flr Corridor Corridor 802 0.06 48 1.0 48
67 500
Typical Flr Lobby Lobby 67 7.5 0.06 20 2 19 1.0 19
Typical Flr Corridor Corridor 647 0.06 39 1.0 39
58 500
Maintenance BldgToilet 50 80
2006 Virginia Mechanical Code - Tabel 403.3 - Ventilation
Rate
2006 IMC Section 402 Outside Air provided by Natural Ventila
tionMaintenance Office
Maintenance Shop
All Appartment Units
The following areasare ventilated by means of natural
ventilation via operable windows and doors:
