Code of Maryland Regulations
Title 09 - MARYLAND DEPARTMENT OF LABOR
Subtitle 12 - DIVISION OF LABOR AND INDUSTRY
Chapter 09.12.01 - Board of Boiler Rules
09.12.01.18 - Lap-Seam Crack

Universal Citation: MD Code Reg 09.12.01.18

09.12.01.18. Lap-Seam Crack

A. If a boiler or pressure vessel has a lap-seam crack along a longitudinal riveted joint, use of the shell or drum shall be discontinued immediately.

B. If the boiler is not more than 15 years old, a complete new course of the original thickness may be installed upon:

(1) Recommendation by the inspector; and

(2) Approval of the chief boiler inspector.

C. Patching a lap seam crack is prohibited.

(Regulations .18 adopted effective June 1, 1989 (16:10 Md. R. 1106))
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