Section 408.10321. Design.

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A fixed ladder, its appurtenances and fastenings shall be designed to meet the following load requirements:

(a)     The minimum design live load shall be a single concentrated load of 300 pounds. A ladder installed before the effective date of this part may have a minimum design load of 200 pounds.

(b)    The number and position of additional concentrated live load units of 300 pounds each, or 200 pounds each if installed before the effective date of this part, as determined from anticipated usage of the ladder shall be considered in the design.

(c)    The live loads shall be considered to be concentrated at that point or points causing the maximum stress in the structural member.

(d) The weight of the ladder and appurtenances together with the live load shall be considered in the design of rails and fastenings.

History: 1979 AC.

                    
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