Michigan Administrative Code
Department - Labor and Economic Opportunity
MIOSHA
General Industry and Construction Safety and Occupational Health Standards
General Industry Safety Standards
Part 52 - SAWMILLS
SPECIFIC EQUIPMENT
Section R. 408.15252 - Kilns

Universal Citation: MI Admin Code R. 408.15252

Current through Vol. 24-16, September 15, 2024

Rule 5252.

(1) A kiln door shall have a device to hold it open during a loading or unloading cycle. A counterweight for the kiln door shall be guarded as prescribed in General Industry Safety Standard Part 7 "Guards and Power Transmission," as referenced in R 408.15209. Installation of a kiln door shall be such that it will not topple if it becomes disengaged from the carriers or hangers.

(2) If procedures require access to a kiln, then either of the following applies:

(a) The kiln shall be provided with an escape hatch that opens from the inside, swings with the direction of travel, and is located in or near the main kiln door.

(b) A passageway shall be provided on not less than 1 side or in the center of an end piled kiln, or on 2 sides of a cross piled kiln.

(3) A steam line less than 7 feet from the floor and in or by a walkway shall be covered with an insulating material or protected by a barrier.

(4) A kiln car shall be blocked by chocks to prevent unintentional movement.

(5) A kiln shall be constructed on a foundation capable of preventing the sagging of the racks.

(6) Where a pit is provided, it shall be ventilated, drained, and lighted and large enough to give the operator safe working space with operating devices such as valves, dampers, damper rods, and traps.

(7) A warm room shall be provided for kiln employees to stay in during cold weather after leaving a hot kiln.

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