77 Ill. Adm. Code 390.2710
Structural
Section 390
Section 390.2710Â Structural
a)Â Â Â Â Â Â Â Â General Structural Requirements
1)Â Â Â Â Â Â Â Â The buildings and all parts thereof shall be of sufficient
strength to support all dead, live, and lateral loads without exceeding the
working stresses permitted for the materials of their construction in generally
accepted good engineering practice. (B)
2)Â Â Â Â Â Â Â Â Special provision shall be made for loads which have a greater
load than the specified minimum live load, including partitions which are
subject to change of location. (B)
b)Â Â Â Â Â Â Â Â Construction shall be in accordance with the requirements of
National Fire Protection Association Standard 101, Life Safety Code, and the
minimum requirements contained herein. (A, B)
1)Â Â Â Â Â Â Â Â Foundations shall rest on natural solid ground and shall be
carried to a depth of not less than one foot below the estimated frost line or
shall rest on leveled rock or load-bearing piles or caissons when solid ground
is not encountered. Footings, piers, and foundation walls shall be adequately protected
against deterioration from the action of ground water. It is recommended that
soil test borings be taken to establish proper soil-bearing values for the soil
at the building site.
2)Â Â Â Â Â Â Â Â Assumed live loads shall be in accordance with the
International Conference Building Officials Uniform Building Code.
3)Â Â Â Â Â Â Â Â The fire resistance rating of the structural members shall be
as established by National Fire Protection Association Standard 220 (Standard
Types of Building Construction).
c)Â Â Â Â Â Â Â Â Provisions for Natural Disasters (B)
1)Â Â Â Â Â Â Â Â Earthquakes: In regions where local experience shows that
earthquakes have caused loss of life or extensive property damage, buildings
and structures shall be designed to withstand the force assumptions specified
in the International Conference Building Officials Uniform Building Code. (B)
2)Â Â Â Â Â Â Â Â Tornadoes and Floods: Special provisions shall be made in the
design of buildings, including structural design, in regions where local
experience shows loss of life or damage to buildings resulting from hurricanes,
tornadoes, or floods. (B)