WAC 296-104-140
Inspection -- How should a state stamp be
applied? Upon completion of the installation, all boilers and
unfired pressure vessels shall be inspected by an inspector as
defined in WAC 296-104-010. At the time of this inspection,
each boiler or unfired pressure vessel shall be marked with a
serial number of the state of Washington followed by the
letter "W." The marking should be conspicuously located and
as close as possible to the boiler or unfired pressure vessel
nameplate.
Washington special numbers when assigned by the chief
inspector shall be a serial number of the state of Washington
followed by the letters "WS."
All rental boilers used in the state of Washington shall
be marked with the serial number of the state of Washington
followed by the letters "WR." This will indicate that the
boiler is a rental unit.
The state of Washington markings, numbers and letters,
referenced above, shall not be less than 5/16 inches in height
and shall not be concealed by lagging or paint and shall be
exposed at all times.
[Statutory Authority: Chapter 70.79 RCW. 04-21-069, §
296-104-140, filed 10/19/04, effective 1/1/05. Statutory
Authority: RCW 70.79.030, 70.79.040, 70.79.150, 70.79.290,
70.79.330, 70.79.350, and chapter 70.79 RCW. 02-23-036, §
296-104-140, filed 11/13/02, effective 12/14/02. Statutory
Authority: RCW 70.79.030 and 70.79.040. 99-22-026, §
296-104-140, filed 10/26/99, effective 11/26/99; 96-21-081, §
296-104-140, filed 10/16/96, effective 11/16/96; 95-19-058, §
296-104-140, filed 9/15/95, effective 10/16/95; Order 73-1, §
296-104-140, filed 3/22/73; Part III, § 9, filed 3/23/60.]