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
09.12.01.29 - Safety Appliance Removal
09.12.01.29. Safety Appliance Removal
A. When a boiler or pressure vessel is operating, a person may not remove, modify, alter, or repair a safety appliance required by these regulations.
B. When a boiler or pressure vessel is not operating and a safety appliance is removed for modification, alteration, or repair the appliance shall be reinstalled in proper working order before the boiler or pressure vessel resumes operation.
C. A safety valve may not be loaded to maintain a working pressure greater than the maximum allowable operating pressure.(Regulations .29 adopted effective June 1, 1989 (16:10 Md. R. 1106); amended effective 45:8 Md. R. 419, eff. 4/23/2018)