Department of Public Safety › 29-232 Boiler Design, Construction, Installation, Repair, Use and Operation

Regulations of Connecticut State AgenciesSec. 29-232-42. SupportsEach boiler shall be supported by masonry or structural supports of sufficient strength and rigidity to safely support the boiler. There shall be no excessive vibration in either the boiler or its connecting piping.…

Regulations of Connecticut State AgenciesSec. 29-232-43. Pressure reducing valvesWhere pressure reducing valves are used, one or more relief or safety valves shall be provided on the low pressure side of the reducing valve in case the piping or equipment on the low pressure side …

Regulations of Connecticut State AgenciesSec. 29-232-44. Electric steam generatorsElectric boilers shall bear the Underwriters' Laboratories label on the completed unit or assembly by the manufacturer. This label shall be in addition to the code symbol requirements of the A.S.M.E…

Regulations of Connecticut State AgenciesSec. 29-232-45. Boiler door latchesA water tube boiler shall have the firing doors of the inward-opening type, unless such doors are provided with substantial and effective latching or fastening devices or otherwise so constructed as to pr…

Regulations of Connecticut State AgenciesSec. 29-232-46. ClearanceAll boilers shall be so located that adequate space will be provided for the proper operation of the boiler and its appurtenances, for the inspection of all surfaces, tubes, water walls, economizers, piping, valves…

Regulations of Connecticut State AgenciesSec. 29-232-47. Shop inspectionAny new boiler, except cast iron boilers, being constructed for installation in the State of Connecticut shall be shop inspected by an inspector holding a Connecticut commission, a National Board commission o…

Regulations of Connecticut State AgenciesSec. 29-232-48. Inspection of second-hand equipmentCharges for inspection of second-hand equipment shall be at the rate provided by the Connecticut General Statutes. (Effective August 25, 1987)

Regulations of Connecticut State AgenciesSec. 29-232-49. Other conditionsAny condition not covered by these regulations which, in the opinion of the inspector, affects the continuing safety operation of the boiler shall be resolved by the commissioner who may require correction a…

Regulations of Connecticut State AgenciesSec. 29-232-5. Notification of inspectionThe owner or user shall prepare each boiler for internal inspection and shall prepare for and apply a hydrostatic pressure test when required on the date specified by an inspector, which date shall …

Regulations of Connecticut State AgenciesSec. 29-232-50. New power boiler installations(a) No power boiler, except reinstalled boilers and those exempted by statute, shall be installed in this state after November 15, 1957, unless it has been designed, constructed, inspected by a…

Regulations of Connecticut State AgenciesSec. 29-232-51. InspectionsEach boiler subject to the provisions of section 29-232-50 shall upon completion of the installation be inspected by an authorized inspector before operation. At the time of this inspection, each boiler shall be …

Regulations of Connecticut State AgenciesSec. 29-232-52. Ladders and runwaysWhere necessary to afford safe access, a steel runway or platform at least eighteen inches wide and provided with standard hand rails and toe boards on either side shall be installed across the tops of ad…

Regulations of Connecticut State AgenciesSec. 29-232-53. ExitsThe number of doorways from boiler, incinerator or furnace rooms shall meet the requirements of the State Building Code, adopted under authority of Section 29-252 of the Connecticut General Statutes. (Effective August …

Regulations of Connecticut State AgenciesSec. 29-232-54. Age limit of existing boilers(a) The age limit of any boiler of nonstandard construction, installed prior to the date the act became effective, shall be 30 years except that, after a thorough internal and external inspectio…

Regulations of Connecticut State AgenciesSec. 29-232-55. Maximum allowable working pressure of nonstandard boilersThe maximum allowable working pressure of the shell or drum of a non standard boiler shall be determined by the strength of the weakest section of the structure, comp…

Regulations of Connecticut State AgenciesSec. 29-232-56. Age limit of lap joint fire tube boilersThe age limit of a tubular, flue or cylinder boiler having a longitudinal lap joint and operating at a pressure in excess of fifty psig shall be thirty years. A reasonable time for re…

Regulations of Connecticut State AgenciesSec. 29-232-57. Pressure on old boilersIn no case shall the maximum working pressure of an old boiler be increased to a greater pressure than would be allowed for a new boiler of the same construction. (a) Cast iron headers and mud drums: …

Regulations of Connecticut State AgenciesSec. 29-232-58. Safety valvesThe use of weighted-lever safety valves is prohibited. Safety valves having either the seat or disc of cast iron, shall not be used. Each boiler shall have at least one safety valve and if it has more than five…

Regulations of Connecticut State AgenciesSec. 29-232-59. Boiler feeding and feed pipingAll boilers shall have a feed supply which will permit the boilers being fed at any time while under pressure. A boiler having more than five hundred square feet of water heating surface shall …

Regulations of Connecticut State AgenciesSec. 29-232-6. Examination for inspectorExaminations for a certificate of competency as inspector of boilers may be held at the office of the commissioner or at any location to be selected by the commissioner on the first Wednesday of the …

Regulations of Connecticut State AgenciesSec. 29-232-60. Fusible plugsFire-actuated fusible plugs, if used, shall conform to the requirements of the A.S.M.E. Boiler Construction Code for Power Boilers prescribed in section 29-232-50. (Effective August 25, 1987)

Regulations of Connecticut State AgenciesSec. 29-232-61. Water columns, gage glasses and gage cocksNo outlet connections, except for damper regulator, feedwater regulator, low water fuel cut-out, drains, steam gages, or such apparatus that does not permit the escape of an appreci…

Regulations of Connecticut State AgenciesSec. 29-232-62. Steam gagesEach steam boiler shall have a steam gage with the dial graduated to approximately double the pressure at which the safety valve is set but in no case to not less than one and one-half times this pressure, connec…

Regulations of Connecticut State AgenciesSec. 29-232-63. Stop valvesEach steam outlet from a boiler, except safety valve connections, shall be fitted with a stop valve located as close as practicable to the boiler. When such outlets are over two inch pipe size, the valve or valve…

Regulations of Connecticut State AgenciesSec. 29-232-64. Blow-off piping(a) The construction of the setting around each blow-off pipe shall permit free-expansion and contraction. Careful attention shall be given to the problem of sealing these setting openings without restricting…

Regulations of Connecticut State AgenciesSec. 29-232-65. Repairs and renewals of boiler fittings and appliancesWhenever repairs are made to fittings or appliances or it becomes necessary to replace them, the work shall comply with the requirements for new installations. (Effectiv…

Regulations of Connecticut State AgenciesSec. 29-232-66. Ladders and runwaysWhere necessary for safety, there shall be a steel runway or platform of standard construction installed across the tops of adjacent boilers or at some other convenient level for the purpose of affording …

Regulations of Connecticut State AgenciesSec. 29-232-67. Exits from boiler roomsTo lessen the hazard of being trapped within the boiler room, ash pit aisles or other locations, there shall be at least two means of exit. Each elevation shall be provided with at least two means of …

Regulations of Connecticut State AgenciesSec. 29-232-68. Conditions not covered by regulationsAll cases not specifically covered by these regulations shall be treated as new installations or may be referred to the commissioner for instructions concerning the requirements. (Effect…

Regulations of Connecticut State AgenciesSec. 29-232-69. Requirements(a) No miniature boiler, except reinstalled boilers and those exempted by statute shall be installed in this state after January 1, 1954 unless it has been designed, constructed, inspected and stamped in conform…

Regulations of Connecticut State AgenciesSec. 29-232-7. Applicants, requirementsEach applicant shall have education and experience equal to at least one of the following:(a) A degree in mechanical engineering, plus one year of experience in the design, construction, operation or …

Regulations of Connecticut State AgenciesSec. 29-232-70. InspectionsEach boiler subject to the provisions of section 29-232-69 shall, upon completion of the installation, be inspected by a duly authorized inspector before operation. At the time of this inspection, each boiler sha…

Regulations of Connecticut State AgenciesSec. 29-232-71. General rulesRegulations adopted for power boilers as prescribed in sections 29-232-54 and 29-232-55, applying to strength of materials and calculations to determine maximum allowable working pressure, shall be used for min…

Regulations of Connecticut State AgenciesSec. 29-232-72. ConstructionThe construction of miniature boilers including factor of safety, except where otherwise specified, shall conform to that required for power boilers as prescribed in section 29-232-50. (Effective August 25, 1987…

Regulations of Connecticut State AgenciesSec. 29-232-73. Safety valve(a) Each miniature boiler shall be equipped with a sealed, spring-loaded, pop type safety valve not less than one-half inch pipe size, connected directly to the boiler. The safety valve shall be plainly marked b…

Regulations of Connecticut State AgenciesSec. 29-232-74. Gage glass and water level indicatorEach miniature boiler shall be equipped with a water gage glass for determination of water level. The lowest permissible water level shall be at a point one-third of the height of the she…

Regulations of Connecticut State AgenciesSec. 29-232-75. Feeding and feedwater pipingEvery miniature boiler shall be provided with at least one feed pump or other mechanical feeding device except where the following conditions exist: (1) Where the boiler is connected to a water m…

Regulations of Connecticut State AgenciesSec. 29-232-76. Blow-off pipingEach miniature boiler shall be provided with a blow-off connection, not less than one-half inch iron pipe size, directly connected with the lowest water space. Blow-off piping shall not be galvanized and shal…

Regulations of Connecticut State AgenciesSec. 29-232-77. Steam gagesEach miniature boiler shall be equipped with a steam gage having a dial range not less than one and one-half times the maximum allowable working pressure. The gage shall be connected to the steam space or to the …

Regulations of Connecticut State AgenciesSec. 29-232-78. Stop valvesThe steam piping from a miniature boiler shall be provided with a stop valve located as close to the boiler shell or drum as is practicable, except in those cases where the boiler and steam receiver are operated …

Regulations of Connecticut State AgenciesSec. 29-232-79. Flue connectionEach gas fired boiler shall be equipped with a four-inch vent pipe or flue extended to an approved location outside the building or connected to a chimney flue. Where the horizontal run is more than ten feet,…

Regulations of Connecticut State AgenciesSec. 29-232-8. Examination feesA fee of twenty-five dollars shall be charged for each applicant taking the examination for a certificate of competency. If an applicant fails to pass the examination, this fee shall be good for a period of o…

Regulations of Connecticut State AgenciesSec. 29-232-80. Stamping of existing boilersEach existing boiler shall be stamped with a serial number of the state of Connecticut (preceded by the letters CONN, said letters and figures to be not less than five-sixteenths of an inch in he…

Regulations of Connecticut State AgenciesSec. 29-232-81. Requirements(a) No low pressure heating boiler, except reinstalled boilers and those exempted by statute, shall be installed in this state after October 26, 1959, unless it has been designed, constructed, inspected and stam…

Regulations of Connecticut State AgenciesSec. 29-232-82. InspectionsEach boiler subject to the provisions of section 29-232-81 shall upon completion of the installation be inspected by a duly authorized inspector before operation. At the time of this inspection, all steel heating…

Regulations of Connecticut State AgenciesSec. 29-232-83. Return water connectionsThe return water connections to all low pressure steam heating boilers supplying a gravity return heating system shall be so arranged as to form what is known as the \"water line return\" so that the…

Regulations of Connecticut State AgenciesSec. 29-232-84. Standard boilersThe maximum allowable working pressure of a standard boiler shall in no case exceed the pressure indicated by the manufacturer's identification stamped or cast upon the boiler or upon a plate secured to it. …