Section R. 408.16333 - Vessels, bin, and cooker entryRule 6333.
(1) A lifeline and safety harness or safety belt shall be provided and used by an employee entering a vessel, tank, digester, bin, or cooker without an access door at ground or floor level, as prescribed in General Industry Safety and Health Standard Part 33 "Personal Protective Equipment," as referenced in R 408.16302. An employee shall be stationed outside with a self-contained respirator in a position to handle the lifeline and summon assistance.(2) An employer shall ensure that the air inside the vessel, tank, or bin is tested prior to entry. Atmospheres containing toxic gas or vapor, or which are deficient in oxygen must be purged and fresh air forced inside while the tank or vessel is occupied, or a self-contained or a constant-flow type supplied air respirator shall be worn. An employee shall not enter a vessel or tank containing an explosive atmosphere(3) An employer shall ensure that controls to equipment supplying or operating a closed vessel, tank, digester, bin, or cooker are locked out or blanked before entry by an employee.(4) An employer shall ensure that valves to supply pipes for a closed vessel, tank, digester, bin, or cooker are closed and locked out or blanked before entry by an employee.(5) Tanks shall be free of acid and shall be washed out with water, and fresh air shall be blown into them, before allowing an employee to enter. An employer shall provide an employee entering the tanks with a supplied air respirator, lifebelt, and attached lifeline, at no expense to the employee.(6) Any lines or sewers shall be blanked off to protect workers from air contaminants.(7) When cleaning, inspection, or other work requires that employees must enter the cooker, 1 employee shall be stationed outside in a position to observe and assist in case of emergency.(8) All intake valves to a tank shall be blanked off or disconnected.Mich. Admin. Code R. 408.16333
1979 AC; 1983 AACS; 2014 AACS; 2018 MR 7, Eff. 4/18/2018