You are viewing an archived code
Loading...
Tornados have not been considered in developing the basic wind-speed distributions of this Code. For those structures or buildings for which design to resist tornadic winds are considered by the owner, the designer is referred to the references in the ANSI A58.1-1982 Appendix (A6.5) on tornado-resistant designs.
(Prior code § 68-4.4; Added Coun. J. 11-29-89)
In the design of basement walls and similar approximately vertical structures below grade, provision shall be made for the lateral pressure of adjacent soil. Due allowance shall be made for possible surcharge from fixed or moving loads. When a portion or the whole of the adjacent soil is below a free-water surface, computations shall be based on the weight of the soil diminished by buoyancy, plus full hydrostatic pressure.
(Prior code § 68-5.1; Added Coun. J. 11-29-89, p. 8387)
In the design of basement floors and similar approximately horizontal construction below grade, the upward pressure of water, if any, shall be taken as the full hydrostatic head and shall be measured from the underside of the construction. Basement slabs reinforced or otherwise shall have a minimum thickness of four inches.
(Prior code § 68-5.2; Added Coun. J. 11-29-89, p. 8387)
Scuttles And Skylights. Scuttles and ribs of skylights shall be designed to support a concentrated load of 200 pounds occupying an area of two and one- half feet square and so placed as to produce maximum stresses in the affected members.
(Prior code § 68-6; Amend Coun. J. 10-1-03, p. 9163, § 4.6)