These structures, like occupancy 345 (Parking Structure), are made for automobile storage. They are built totally below grade and contain a number of levels. Generally, the grade level roof is a park or other public facility. Structural steel or a reinforced concrete frame provides the majority of the support for the parking structure. All floors are heavy concrete and the roof is load bearing. Ventilation systems are commonly found. They normally have small office and service facilities.
Ramp designs vary from separate and exclusive ramps, which separate the travel and the parking/unparking operations, to continuous sloping floor or adjacent ramp, which have both the travel and parking operations integrated within the same space. The determination of the type of ramp used is based on the site's shape and dimensions and the parking demand characteristics.
Note: Do not use this occupancy for basement parking.
Availability of Elevators by Area for this occupancy: No
Marshall Valuation Service sections: 14 and 44.
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Class |
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Quality |
A |
B |
C |
D |
H |
M |
P |
S |
W |
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Low |
45 |
45 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
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Average |
45 |
45 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
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Good |
45 |
45 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
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Excellent |
50 |
50 |
-- |
-- |
-- |
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-- |
-- |
-- |
Class A (Fireproof Structural Steel Frame): and Class B (Reinforced Concrete Frame):
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Quality |
Exterior Walls |
Interior Finish |
Mechanicals |
HVAC |
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Unfinished concrete, waterproofed walls and load-bearing roof |
Unfinished, some office and service areas |
Good lighting, restrooms and service plumbing |
Package A.C. |