Section 408.10365. Pitch.

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(1) The preferred pitch of a fixed ladder shall be between 75 degrees and 90 degrees with the horizontal. (See figure 9.) However, a ladder with a pitch of less than 60 degrees shall have steps and raised hand rails, as specified in the general industry safety standards commission standard, Part 2. Floor and Wall Openings, Stairways, and Skylights, being R 408.10201 to R 408.10239 of the Michigan Administrative Code.

(2) A fixed ladder is substandard if it is installed within the substandard pitch range of 60 and 75 degrees with the horizontal. A substandard fixed ladder is permitted only where necessary to meet conditions of installation. (See figure 9.) This substandard pitch range shall be avoided, if possible.

(3) A ladder shall not have a pitch of more than 90 degrees with the horizontal.

History: 1979 AC; 1982 AACS.

                    
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