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Subchapter 6. Elevator Safety Orders
Article 15. Special Access Lifts
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§3093.54. Arc of Contact of Suspension Means on Sheaves and Sprockets.

The arc of contact of a wire rope on a traction sheave shall be sufficient to produce traction under all load conditions up to the rated load. The arc of contact of a chain with a driving sprocket shall not be less than 140 degrees.

(Title 24, Part 7, Section 7-3093.54)

NOTE

Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.

HISTORY

1. New section filed 7-22-86; effective thirtieth day thereafter (Register 86, No. 36).

2. Amendment of section heading filed 8-29-2001; operative 9-28-2001 (Register 2001, No. 35).

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