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09.12.01.00.htm 09.12.01.00. Title 09 MARYLAND DEPARTMENT OF LABOR Subtitle 12 DIVISION OF LABOR AND INDUSTRY Chapter 01 Board of Boiler Rules Authority: Public Safety Article, Title 12, Annotated Code of Maryland Ch. 351, Acts of 2004
09.12.01.01.htm 09.12.01.01. 01 Definitions.. A. In these regulations, the following terms have the meanings indicated.. B. Terms Defined.. 1) “ASME Code” means the “ASME Boiler and Pressure Vessel Code” of the American Society of Mechanical Engineers with revisions, amendments, and interpretations adopted by the Board of Boiler Rules.2) “Antique boiler” means a boiler that is:. a) Fabricated and stamped:. i) In accordance with the ASME Code or another nationally recognized boiler construction standard; and
09.12.01.01-1.htm 09.12.01.01-1. 01-1 Incorporation by Reference.. A. The following documents are incorporated by reference to the extent that they are referenced in this chapter:1) ASME Boiler and Pressure Vessel Code:. a) 1986 ASME Boiler and Pressure Vessel Code;. b) 1989 ASME Boiler and Pressure Vessel Code;. c) 1992 ASME Boiler and Pressure Vessel Code;. d) 1995 ASME Boiler and Pressure Vessel Code and 1995 Addenda; and. e) 1998 ASME Boiler and Pressure Vessel Code, together with the:.
09.12.01.01-2.htm 09.12.01.01-2. 01-2 Compliance.. In the event of a conflict between a regulation in this chapter and a code section incorporated by reference, the provisions of this chapter control.
09.12.01.02.htm 09.12.01.02. 02 Access and Egress.. A. Clearance.. 1) Except for a water heater or a modular boiler system, a new or replacement boiler installed in a new or existing building shall be installed consistent with:a) Or exceeding, the manufacturer's recommendations for clearance; and. b) The space requirements of §A(6) of this regulation.. 2) In the event manufacturer recommendations for clearance are not provided, a new or replacement boiler installed in a new or existing building, shall:
09.12.01.03.htm 09.12.01.03. 03 Air and Ventilation.. A. A boiler room shall have a permanent source of outside air to:. 1) Permit satisfactory combustion of fuel; and. 2) Provide proper ventilation of the boiler under normal operating conditions.. B. Louvered area.. 1) The total requirements of all burners for all fired pressure vessels in a boiler room shall be used to determine the louver sizes, whether the pressure vessels are fired by coal, oil, or gas.
09.12.01.04.htm 09.12.01.04. 04 Equipment.. A. Automatic Low Water Fuel Cutoff or Water Feeding Device.. 1) An automatically fired steam or vapor system boiler shall have a low water fuel cutoff that automatically cuts off the fuel supply when the water surface falls to the lowest safe level. The following apply:a) A water feeding device shall be:. i) Constructed so that the water inlet valve cannot feed water into the boiler through the float chamber, andii) Located to supply the necessary feedwater;.
09.12.01.05.htm 09.12.01.05. 05 Factor of Safety-Increase for Existing Installation.. A. An inspector may increase the factor of safety of an existing installation if the condition of the boiler or pressure vessel warrants the increase.B. Appeal Procedure.. 1) An owner may appeal an increase in a factor of safety to the Board.. 2) Upon appeal, the Board may request that the chief boiler inspector and a deputy boiler inspector or special inspector conduct a joint inspection.
09.12.01.06.htm 09.12.01.06. 06 Fired Jacketed Steam Kettle.. A. A fired jacketed steam kettle may be installed if it is:. 1) Constructed and stamped in accordance with the ASME Code, Section I, IV, or VIII, Division 1; and. 2) Registered with the National Board.. B. A gas-fired jacketed steam kettle may be constructed in accordance with the ASME Code, Section VIII, Division 1, provided that:1) Welded joints having contact with products of combustion are Type No. 1 of Table UW-12;.
09.12.01.07.htm 09.12.01.07. 07 Gas-Fired Installations.. A. A burner in a gas-fired installation shall be tested and certified by the American Gas Association.B. A gas-fired boiler shall have a vent or flue that terminates at an acceptable location outside the building.C. The size of the vent or flue shall be:. 1) That recommended by the boiler manufacturer;. 2) At least 4 inches in diameter or equivalent area; and. 3) If the horizontal run exceeds 10 feet, at least 6 inches in diameter or equivalent area..
09.12.01.08.htm 09.12.01.08. 08 Hazardous Condition.. A. A special inspector who finds a hazardous condition affecting the safety of a boiler or pressure vessel shall notify the chief boiler inspector in accordance with Regulation .28 of this chapter.B. If a special inspector determines that a boiler or pressure vessel is unsafe for operation:. 1) The inspector shall:. a) Notify the owner promptly;. b) Specify the repair or corrective measure required to achieve compliance with regulations; and.
09.12.01.09.htm 09.12.01.09. 09 Hearings.. A. A hearing shall be held in accordance with the requirements of the Administrative Procedure Act, Title 10, Subtitle 2, State Government Article, Annotated Code of Maryland.B. The Commissioner delegates the authority to issue a proposed decision on a citation or penalty to the Office of Administrative Hearings.C. A proposed decision of the Office of Administrative Hearings becomes a final order of the Commissioner 20 days after the date it is issued, unless:
09.12.01.10.htm 09.12.01.10. 10 Heating Boiler ― Existing Installation: Maximum Allowable Working Pressure. A. The maximum allowable working pressure on a standard boiler may not exceed the pressure stamped or cast by the manufacturer on:1) The boiler; or. 2) A plate secured to the boiler.. B. The maximum allowable working pressure on:. 1) The shell of a nonstandard riveted heating boiler shall be determined in accordance with Regulation .22 of this chapter, except that the maximum allowable working pressure
09.12.01.11.htm 09.12.01.11. 11 Heating Boiler ― Existing Installation: Safety Valve.. A. A steam boiler shall have at least one safety valve which is:. 1) Officially rated;. 2) Of the spring pop type; and. 3) Adjusted and sealed to discharge at a pressure not greater than 15 PSI.. B. A seal shall be attached in a manner to prevent the valve from being disassembled without breaking the seal.C. A safety valve shall be arranged so that it cannot be reset to relieve at a pressure higher than
09.12.01.12.htm 09.12.01.12. 12 Heating Boiler ― Existing Installation: Miscellaneous.. A. Feedwater Connection.. 1) Feedwater, make-up water, or water treatment:. a) Shall be introduced into a boiler through:. i) The return piping system, or. ii) An independent feedwater connection that does not discharge against a part of the boiler exposed to direct radiant heat from the fire;b) May not be introduced through an opening or connection provided for:. i) Inspection or cleaning,. iii) Safety relief valve,.
09.12.01.13.htm 09.12.01.13. 13 Hot Water Boiler-Existing Installation: Safety Relief Valve.. A. Number of Valves.. 1) A hot water heating boiler shall have at least one safety relief valve which is:. a) Officially rated; and. b) Set to relieve at or below the maximum allowable working pressure of the boiler.. 2) A hot water supply boiler shall have at least one safety relief valve which is:. b) Automatically reseating; and. c) Set to relieve at or below the maximum allowable working pressure of the boiler..
09.12.01.14.htm 09.12.01.14. 14 Inspection Intervals.. A. Boilers and pressure vessels subject to this regulation do not include power boilers, or high pressure or high temperature water boilers.B. Except as provided in §C of this regulation, boilers and pressure vessels shall receive a certificate inspection biennially.C. A boiler or pressure vessel that is part of an amusement attraction, as defined by Business Regulation Article, §3-101(b) Annotated Code of Maryland, shall receive a certif
09.12.01.14-1.htm 09.12.01.14-1. 14-1 Inspection.. A. Internal Inspection.. 1) Unless an internal inspection is required by law or by an inspector at the inspector's discretion, a:a) Hot water boiler requires only an external inspection for certificate purposes; and. b) Pressure vessel requires only an external inspection for certificate purposes.. 2) At least 7 days before an internal inspection, the inspector shall notify the owner of the inspection date.B. The owner of a boiler shall prepare the boiler
09.12.01.15.htm 09.12.01.15. 15 Inspection Certificate.. A. Revocation or Suspension.. 1) Emergency Action.. a) The chief boiler inspector or an authorized representative may order an inspection certificate suspended summarily if, in his opinion, public safety imperatively requires emergency action.b) If an inspection certificate is summarily suspended, the chief boiler inspector shall promptly give the owner of the boiler or pressure vessel for which the inspection certificate was issued:
09.12.01.16.htm 09.12.01.16. 16 Inspector.. A. An inspector:. 1) May not engage in the sale of boilers, pressure vessels, or any related item; and. 2) Shall be employed regularly in inspection work.. B. To be eligible to take the examination for a Certificate of Competency as an inspector, an applicant shall have:1) A degree in mechanical engineering plus 1 year of experience in the design, construction, operation, or inspection of high pressure vessels;2) A degree in another branch of engineering, plus
09.12.01.16-1.htm 09.12.01.16-1. 16-1 Authorized Inspection Agency Insurance Requirements.. A. An authorized inspection agency shall have general liability insurance and professional liability insurance to cover its inspection activities.B. An insurance policy required by this section shall be issued by an insurance company authorized to do business in Maryland.C. The insurance policy shall be in the amount of at least $500,000 for injury or death for any number of individuals in any single occurrence, and $1
09.12.01.17.htm 09.12.01.17. 17 Installation.. A. A new or used boiler, pressure vessel, or piping installation or reinstallation shall be installed in accordance with this chapter.B. Notice of Installation.. 1) At least 30 days before installing or reinstalling a boiler or pressure vessel, the installer shall file with the chief boiler inspector written notice of the installation.2) The notice of installation shall contain the following information for each boiler or pressure vessel to be installed:
09.12.01.18.htm 09.12.01.18. 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..
09.12.01.19.htm 09.12.01.19. 19 Portable Boilers and Pressure Vessels.. A. The installer and owner of a portable boiler or pressure vessel shall comply with all requirements of this chapter.B. While a portable boiler or pressure vessel is being moved, it shall not be operated.. C. A portable boiler or pressure vessel shall receive an internal and external certificate inspection:1) Annually; and. 2) After it has been moved to a different location and installed before use..
09.12.01.20.htm 09.12.01.20. 20 Power Boiler ― Existing Installation: Age Limit.. A. Nonstandard Construction.. 1) Except as otherwise provided in this regulation, the age limit of a boiler of nonstandard construction installed before the Act became effective shall be 30 years.2) A boiler of nonstandard construction installed before the Act became effective, not having a lap-riveted longitudinal joint, may continue to operate for more than 30 years without reduction in working pressure after a:
09.12.01.21.htm 09.12.01.21. 21 Power Boiler ― Existing Installation: Boiler Feed System.. A. A boiler shall have a feed supply which permits it to be fed at any time while under pressure.. B. A boiler having more than 500 square feet of water-heating surface shall have at least two means of feeding, as follows:1) One means shall be an approved feed pump, injector, or inspirator;. 2) The other source may be directly from a water main, at a pressure 6 percent greater than the set pressure of the safety va
09.12.01.22.htm 09.12.01.22. 22 Power Boiler ― Existing Installation: Maximum Allowable Working Pressure.. A. The maximum allowable working pressure on a standard boiler shall be determined in accordance with the ASME Code under which it was constructed and stamped.B. The maximum allowable working pressure on the shell of a nonstandard boiler shall be determined by the strength of the weakest section of the structure computed by multiplying TS by t and E and dividing the product by R multiplied by FS:
09.12.01.23.htm 09.12.01.23. 23 Power Boiler ― Existing Installation: Other Equipment.. A. Blowoff Connection.. 1) A boiler shall have a blowoff pipe, fitted with a valve or cock, connected directly to the lowest water space. The following apply:a) A cock shall be of the gland or guard type, suitable for the pressure allowed;. b) A globe valve may not be used.. 2) Settings.. a) The setting around a blowoff pipe shall permit free expansion and contraction.. b) To the maximum extent practicable, setting open
09.12.01.24.htm 09.12.01.24. 24 Power Boiler ― Existing Installation: Safety Valve.. A. A weighted-lever safety valve or a safety valve having a cast iron seat or disc:. 1) May not be used after October 15, 1975; and. 2) Shall be replaced by a direct, spring-loaded, pop-type valve that complies with the requirements of the ASME Code, Section I.B. A boiler shall have at least one safety valve.. C. A boiler shall have at least two safety valves if the boiler has:.
09.12.01.25.htm 09.12.01.25. 25 Power Boiler ― Existing Installation: Miscellaneous.. A. Repair or replacement of a fitting or appliance shall comply with the ASME Code.. B. The ASME Code, Section VII, Recommended Guidelines for the Care of Power Boilers, is recommended as a guide for safe operating practices.C. A condition not specifically covered by this regulation:. 1) Shall be treated as a new installation; or. 2) May be referred to the chief boiler inspector for information about the requirements..
09.12.01.26.htm 09.12.01.26. 26 Pressure Vessel ― Existing Installation.. A. The maximum allowable working pressure for a standard pressure vessel:. 1) Shall be determined in accordance with the ASME Code under which it was constructed and stamped; and2) May not exceed the pressure shown on the manufacturer's name plate stamp and data report.. B. Nonstandard Pressure Vessel―Maximum Allowable Working Pressure.. 1) The maximum allowable working pressure on the shell of a nonstandard pressure vessel shall be det
09.12.01.27.htm 09.12.01.27. 27 Repair.. A. All repairs and alterations of boilers and pressure vessels shall conform to the requirements of the NBIC.B. The person performing repairs and alterations on a boiler or pressure vessel shall provide the chief boiler inspector with reports related to the repair as required by Regulation .28 of this chapter.C. The person certifying that the repair or alteration is complete and in accordance with the NBIC shall be a special inspector, deputy boiler, or Chi
09.12.01.28.htm 09.12.01.28. 28 Reporting Requirements.. A. Accident or Explosion Report.. 1) After an accident or explosion the owner or operator shall notify the chief boiler inspector within 24 hours by email and by telephone.2) Notification under §A(1) of this regulation shall contain the following information regarding the accident or explosion:a) Name, address, telephone number, and other contact information of the individual reporting the incident;b) Location and address of the incident;.
09.12.01.28-1.htm 09.12.01.28-1. 28-1 Record Keeping.. An owner or user of a boiler or pressure vessel shall maintain a legible copy of inspection, maintenance, repair, and alteration records.A. At a readily accessible central location in the building where the boiler or pressure vessel is located; andB. For the life of the boiler or pressure vessel..
09.12.01.28-2.htm 09.12.01.28-2. 28-2 Database Report of Boilers and Pressure Vessels.. A. An authorized insurer shall develop a database report of boilers and pressure vessels that it insures.B. An owner-user inspection service shall develop a database report of the boilers and pressure vessels it owns.C. The database report required by §A and B of this regulation shall contain the following information about each boiler and pressure vessel:
09.12.01.28-3.htm 09.12.01.28-3. 28-3 Quality Assurance Program.. Each authorized inspection agency shall make available for review by the Chief Boiler Inspector, the quality assurance program documents that were submitted to the National Board for accreditation as an authorized inspection agency.
09.12.01.29.htm 09.12.01.29. 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
09.12.01.30.htm 09.12.01.30. 30 Stamping.. 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 0000,. b) For heating boilers - MD 0000H,. c) For pressure vessels - MD 0000V,. d) For nuclear vessels - MD 0000N; and. 3) Stamped on:. a) The boiler or pressure vessel, or.
09.12.01.31.htm 09.12.01.31. 31 Variance from Regulation.. A. A person who believes that a regulation is unreasonable or imposes an undue burden on an owner may request the Board of Boiler Rules to grant a variance from that regulation.B. An application for variance shall:. 1) Be in writing;. 2) Specify the:. a) Name and address of the applicant,. b) Regulation from which the applicant seeks a variance,. c) Location, equipment, and practices involved;. 3) State:.
09.12.01.32.htm 09.12.01.32. 32 Vacant.
09.12.01.33.htm 09.12.01.33. 33 Model Steam Boilers.. A. Model steam boilers are subject to the requirements of Regulations .01, .01-1, .05, .08, .09, .14―16, .19, and .27―31 of this chapter.B. Repealed.. C. A model steam boiler may not be operated in Maryland unless it has a valid:. 1) Maryland inspection certificate; or. 2) Inspection or operating certificate issued by another state having standards equivalent to the requirements of this regulation.D. Inspection Certificate.. 1) Unless sooner suspende
09.12.01.34.htm 09.12.01.34. 34 Historic Boilers.. A. Except as provided for in this regulation, a historical boiler shall be installed, inspected, operated, repaired, or altered in accordance with the NBIC.B. Inspection.. 1) An initial inspection shall be conducted:. a) To determine baseline criteria needed for the operating life of the boiler;. b) In accordance with the requirements outlined in the NBIC;. c) On any boiler not previously inspected in Maryland; and. d) On any boiler which ha
09.12.01.35.htm 09.12.01.35. 35 Citations.. A. If, after an inspection or investigation, the Commissioner finds that, within the immediately preceding 6 months, a person has violated Public Safety Article, Title 12, Subtitle 9, Annotated Code of Maryland, or a regulation or order issued to carry out this law, the Commissioner shall issue a citation to the person.B. Each citation shall:. 1) Be in writing;. 2) Describe, in detail, the nature of the alleged violation;. 3) Cite the provision or
09.12.01.36.htm 09.12.01.36. 36 Penalties.. A. The Commissioner may impose a civil penalty, not exceeding $1,000 for each violation, against a person who violates Public Safety Article, Title 12, Subtitle 9, Annotated Code of Maryland, or a regulation or order issued to carry out this law, if:1) The violation involves recordkeeping, notice, filing, access, or posting requirements;. 2) An inspection is not conducted on time; or. 3) The Commissioner finds that the violation is less than serious..
09.12.01.37.htm 09.12.01.37. 37 Miniature Boilers.. A. Miniature boilers are exempt from the requirements of CSD-1, except that they shall have:. 1) An emergency shut-off switch located outside of the main point of access and egress to the boiler room, unless the installer can establish that this location would allow access by the general public that could be detrimental to the operation of the boiler; and2) A lockable service disconnect.. B. Control and safety devices for miniature boilers shall comply with:.
09.12.01.38.htm 09.12.01.38. 38 Kitchen Equipment Boilers.. A. Kitchen equipment boilers are exempt from the requirements of CSD-1, except that they shall have:. 1) An emergency shut-off switch located outside of the main point of access and egress to the kitchen, unless the installer can establish that this location would allow access by the general public that could be detrimental to the operation of the boiler; and2) A lockable service disconnect..
09.12.01.9999.htm 09.12.01.9999. Administrative History Effective date: October 15, 1975 (2:23 Md. R. 1414). Regulation .02CC amended and .02DD repealed effective June 1, 1982 (9:8 Md. R. 821). Regulation .02PP amended effective November 4, 1985 (12:22 Md. R. 2103). Regulations .07―08 adopted effective November 4, 1985 (12:22 Md. R. 2103) ―. Regulations .01―08 repealed and new Regulations .01―32 adopted effective June 1, 1989 (16:10 Md. R. 1106)Regulation .01B amended effective September 1, 198
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