California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 4 - Construction Safety Orders
Article 14 - Construction Hoists
Section 1604.17 - Car Enclosures
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
(a) Material for Enclosures.
Materials for car enclosures and car enclosure linings shall be metal or wood.
(b) Extent of Enclosures.
Personnel hoist cars shall be permanently enclosed on the top and on all sides except the entrance and exit.
(c) Securing of Enclosures.
The enclosure shall be securely fastened to the car platform and so supported that it cannot loosen or become displaced in ordinary service, on the application of the car safety, or on buffer engagement.
(d) Deflection of Walls.
The enclosure walls shall be of such strength and so designed and supported that, when subjected to a pressure of 100 pounds applied horizontally on any 4 square-inch area of the walls of the enclosure, the deflection will not reduce the running clearance below 3/4 inch.
(e) Number of Compartments.
Cars shall have not more than one compartment.
(f) Top Emergency Exits.
An emergency exit with a cover shall be provided in the top of all cars and shall conform to the following requirements:
(g) Car Enclosure Tops.
Tops of car enclosures shall be so designed and installed as to be capable of sustaining a load of 300 pounds on any square area 2 feet on a side and 100 pounds applied at any point. Simultaneous application of these loads is not required.
(h) Equipment on Top of Cars.
A working platform or equipment which is not required for the operation of the hoist or its appliances, except where specifically provided in this Standard, shall not be located on the top of a hoist car.
(i) Use of Glass in Cars.
Wire glass or the equivalent shall be used for vision panels. Plain glass may be used only for car operating appliances.