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(a) Carriages shall be substantially constructed, kept in proper adjustment, and floored or decked over to afford secure footing where employees are required to ride.
(b) The sheaves on rope-driven carriages shall be guarded at the floor line with substantial housings. Sheaves of cable operating rope-feed setworks and setworks pinion, at the rear of the carriage head blocks, shall be guarded in a similar manner.
(c) On a shotgun-fed carriage drive, the following are required:
(1) Valves on shotgun feeds shall be positively secured before the sawyer leaves the station. The use of leaking steam valves or piping on saw carriage drives is prohibited. Adequate provision shall be made to prevent the carriage from creeping.
(2) When steam boilers are located above the shotgun feed, provision shall be made for preventing condensation from collecting in the shotgun feed cylinder.
(3) Heads of shotgun cylinders shall be substantially blocked.
(4) Means shall be provided whereby the sawyer or other members of the head rig crew may stop the head saw, in an emergency.
(d) When the mill is shut down, the carriage on shotgun feed mills shall be positively secured at the end of the run.
(e) Where employees ride the carriage, and the distance from the rear edge of the carriage to the wall of the building is not more than 18 inches, the side wall shall be boarded over smoothly to a height of no less than 6 feet 6 inches above the carriage platform, and for at least the length of the carriage travel. Where overhead knee braces or timbers come to within 6 feet 6 inches above the carriage platform, such braces or timbers shall be boarded over smoothly for the length of the carriage run. No roof truss, roof timber, or other projection shall be located less than 6 feet 6 inches above the platform on any carriage.
(f) Where a walkway is provided behind the carriage, there shall be no less than a 4-foot clearance between the rear of the carriage and the building wall, unless guardrails or barriers are provided to eliminate possible contact with the moving carriage.
(g) The carriage run, if exposed, shall be protected by a guardrail of the same height as the carriage platform, the rail to be of 1 1/4-inch pipe or 2-inch by 4-inch lumber. The guardrail shall clear the carriage blocks when they are in their rear position.
(1) Doors which lead to a passageway at the end or side of the carriage run shall be provided with standard guardrails opposite the doorways. A warning sign shall be posted at the entrance of such doorways.
(2) Where employees ride the carriage, a substantial spring or a pneumatic stop shall be installed at each end of the carriage travel. Riderless carriages shall be provided with substantial stops to protect employees in the vicinity of the ends of the carriage run.
(3) Substantial sweeps of metal, wood, or other suitable material shall be provided in font of the wheels at each end of the carriage. The sweeps shall extend to within 1/4-inch of the rails.
(h) Where a steam-operated, Hill-type log-turning device is used, carriage knees shall be provided with goosenecks, unless the carriage crew is otherwise protected against climbing logs.
(i) Logs which are not long enough to reach at least two carriage blocks shall not be sawn on carriages.
(j) Dogging devices shall be adequate to secure logs, cants, or boards during sawing operations.
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Amendment of subsections (c) and (d) filed 2-6-85; effective thirtieth day thereafter (Register 85, No. 6).