WAC 296-806-46002
WAC 296-806-46002. Meet height requirements for mill rolls
You must make sure that the tops of mill rolls installed after August 27, 1971, are at least fifty inches above the working level where the operator stands. This distance applies to the actual working level, which could be:
(1) The general floor level.
(2) In a pit.
(3) On a platform.