R 408.16355 Blowing a batch type digester.

Rule 6355. (1) A signal device such as a bell, horn, siren, or light shall be installed in a batch type digester or blow pit room and chip bin and used before and during blowing of the digester. (2) A signal shall be used to warn an employee in a chip bin before loading the batch type digester. (3) A blow-off valve shall be opened slowly, and the valve shall be left open until the digester cook signals the blow is completed. (4) A digester cover shall not be removed until the blow has been completed. An employee removing a digester cover shall wear protective equipment to guard against burns from hot stock and steam.