Los Angeles Municipal Code § 57.303 Asphalt Kettles

Section 303 of the CFC is hereby adopted in its entirety with the following exceptions, modifications, and additions.

Ground kettles shall not be fired or used while mounted on the bed of trucks, except if the truck body is all metal construction, and the kettle is securely attached to the bed by adequate bolts or by welding of the legs to body of truck. Patch kettles shall not be permitted for use while mounted on the bed of the truck.

All improved streets shall be protected from damage by use of sand or other noncombustible materials under roofing kettles. Streets shall be cleaned of all excess tar and other debris upon completion of work.

Piping to roof shall conform to the following:

1. Piping or tubing used to transfer heated material to the roof shall be Schedule 40 or equivalent. Flexible steel piping shall be of an approved type. Flexible piping shall not be used anywhere in the system except at the connection immediately adjacent to the pump or kettle and shall not exceed 6 feet in length.

2. Remote operated bypass valves used in a single supply line system shall be of a fail-safe type which opens automatically if the control line or lanyard fails.

3. All piping shall be firmly supported at not more than 12-foot intervals.