- (a) Qualified inspectors making the first field inspection of boilers required by these Orders to have a permit to operate, shall stamp on the boiler a state serial number (unless a state serial number has previously been stamped thereon) which shall become a permanent means of identification. This assigned number shall be made either by steel die figures not less than 5/16 -inch in height, or outlined by means of center punch dots, with figures not less than ¾ -inch in height, and shall be stamped adjacent to the manufacturer's code stamping.
- (b) No state serial number or code stamping shall be permanently covered by insulating material, unless such number and stamping is transferred to a fixed plate where readily visible outside of all insulating material.
History
1. Amendment filed 11-2-66; effective thirtieth day thereafter (Register 66, No. 38). Approved by State Building Standards Commission.