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8.7.2.21.1 Change in Suspension Members
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(a) Where the material, grade, number, or size of suspension members is changed, the new suspension members and their fastenings shall conform to Section 2.20, except as specified in 8.7.2.21.4. When existing sheaves are retained using suspension members different from those originally specified, the original elevator manufacturer or a licensed professional engineer shall certify the sheave material to be satisfactory for the revised application.
(b) Where there is a change to the type of suspension means, the installation shall conform to Section 2.20.
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