PDFWAC 296-307-64604
Meet these additional requirements if employees enter another employer's confined space.
(1) The employer must obtain any available information about permit-required confined space hazards and entry operations from the host employer.
(2) The employer must coordinate entry operations with any other employers whose employees will be working in or near the permit-required confined space.
(3) The employer must inform the host employer, either through a debriefing or during entry operations, about:
(a) The entry program that will be followed; and
(b) Any hazards confronted or created in the space during entry operations.