34ea531b_HA__1926_Subpart_AA__1926_1200__General_Industry
[Difference] Permit-Required Confined Spaces–Written PRCS Plan [Construction] No written plan required when employer maintains a copy of the standard at the worksite. [General Industry] 
Requires a written PRCS plan.
New Confined Spaces in Construction Standard from OSHA: 1926 Subpart AA, 1926.1200
General Industry