R 408.14933
R 408.14933 Welded end attachment; certificate of proof test.
Cite as Mich. Admin. Code R 408.14933
Rule 4933. (1) Welding of an end attachment, except covers to thimbles, shall be
performed prior to the assembly of the sling.
(2) All welded end attachments shall not be used unless proof tested by the
manufacturer at twice their rated capacity prior to initial use. The employer shall retain a
certificate of the proof test, and make it available for examination.