Pennsylvania Code
Title 34 - LABOR AND INDUSTRY
Part I - Department of Labor and Industry
Chapter 7 - ELEVATORS, LIFTS, ESCALATORS, DUMBWAITERS, HOISTS ANDTRAMWAYS
Subchapter C - SIDEWALK ELEVATORS
Section 7.99 - Sheaves and drums of hoisting chains and cables
Current through Register Vol. 54, No. 38, September 21, 2024
(a) When chains or cables are used for raising or lowering the cars of new power-operated sidewalk elevators, the sheaves or winding drums shall not be less than ten inches in diameter. The sheaves or winding drums of hand-operated sidewalk elevators shall be at least 10 inches in diameter when cables are used, but when chains are used a lesser diameter is permitted, if the sheaves are pocketed to receive the chains. Cable sizes shall be at least 3/8 inch in diameter. Sheaves or winding drums shall be equipped with substantial retaining flanges.
(b) Power-driven sidewalk elevators suspended from cables or chains shall be provided with approved rope-type car safeties. Such safeties shall be capable of stopping or holding the fully-loaded elevator car at any point of its travel.