Installation Guide

Page
9
SunFrame Unirac Code-Compliant Installation Manual
R
1411 Broadway Boulevard NE
Albuquerque NM 87102-1545 USA
Table 6. Occupancy Category Importance Factor
Source: IBC 2009, Table 1604.5, Occupancy Category of Buildings and other structures, p. 281; ASCE/SEI 7-05, Minimum Design Loads for Buildings and Other
Structures, Table 6-1, p. 77
Category DesicriptionCategory Building Type Examples
Non-Hurricane Prone Regions
and Hurricane Prone Regions
with Basic Wind Speed, V =
85-100 mph, and Alaska
Hurricane Prone Re-
gions with Basic Wind
Speed, V > 100mph
I
II
III
IV
Buildings and other
structures that
represent a low
hazard to human life
in the event of failure,
including, but limited to:
All buildings and other
structures except those
listed in Occupancy
Categories I, III, and IV.
Buildings and other
structures that
represent a substantial
hazard to human life in
the event of a failure,
including, but not limited
to:
Buildings and other
structures designated
as essential facilities,
including, but not limited
to:
Agricultural facilities
Certain Temporary facilities
Minor Storage facilities
Buildings where more than 300 people congregate
Schools with a capacity more than 250
Day Cares with a capacity more than 150
Buildings for colleges with a capacity more than 500
Health Care facilities with a capacity more than 50 or more
resident patients
Jails and Detention Facilities
Power Generating Stations
Water and Sewage Treatment Facilities
Telecommunication Centers
Buildings that manufacture or house hazardous materials
Hospitals and other health care facilities having surgery or
emergency treatment
Fire, rescue, ambulance and police stations
Designated earthquake, hurricane, or other emergency
shelters
Designated emergency preparedness communication, and
operation centers
Power generating stations and other public utility facilities
required in an emergency
Ancillary structures required for operation of Occupancy
Category IV structures
Aviation control towers, air traffic control centers, and
emergency aircraft hangars
Water storage facilities and pump structures required to
maintain water pressure for fire suppression
Buildings and other structures having critical national
defense functions
0.87
1
1.15
1.15
0.77
1
1.15
1.15