Plain Text Law

Regulation .30 Stamping.

Regulation .30 Stamping.Copy Citation

A.
At the first post-installation internal or certificate inspection, the inspector shall assign to a boiler or pressure vessel a Maryland serial number that is:
(1)
At least 5/16 of an inch in height;
(2)
Configured as follows:
(a)
For power boilers <MD> MD 0000;
(b)
For heating boilers <MD> MD 0000H;
(c)
For pressure vessels <MD> MD 0000V;
(d)
For nuclear vessels <MD> MD 0000N; and
(3)
Stamped on:
(a)
The boiler or pressure vessel, or
(b)
A metal tag at least 1 inch in height, securely attached to the front of:
(i)
A low pressure heating boiler constructed of cast iron, or
(ii)
A pressure vessel constructed of cast iron or other material of a thickness that should not be stamped.
B.
Unless a record is kept showing the location of stamping so that the stamping can be uncovered readily, stamping:
(1)
May not be concealed by lagging or paint; and
(2)
Shall be exposed at all times.
C.
When a boiler or pressure vessel stamp is indistinct:
(1)
An inspector shall direct the owner to have the boiler or pressure vessel restamped;
(2)
The owner shall:
(a)
Request from the chief boiler inspector permission to restamp, and
(b)
Submit with the request, proof of the original stamp; and
(3)
If the chief boiler inspector authorizes restamping, an inspector shall:
(a)
Observe the restamping, and
(b)
File with the chief boiler inspector notice of the restamping, and a facsimile of the stamp applied.
D.
A condemned boiler or pressure vessel shall be stamped with:
(1)
Letters 5/16 of an inch in height; and
(2)
The configuration XXX MD XXX.