{"formats":[{"name":"JSON","format":"json","url":"\/downloads\/2025\/code-json\/40.1-51.19_3.json"},{"name":"Plain Text","format":"text","url":"\/downloads\/2025\/code-text\/40.1-51.19_3.txt"},{"name":"XML","format":"xml","url":"\/downloads\/2025\/code-xml\/40.1-51.19_3.xml"},{"name":"HTML","format":"html","url":"\/downloads\/2025\/code-html\/40.1-51.19_3.html"}],"law_id":83523,"edition_id":1,"section_id":83523,"structure_id":15644,"section_number":"40.1-51.19:3","catch_line":"Inspection and testing","history":"1999, c. 335; 2000, cc. 879, 898.","full_text":"A\n\nA hobby or model boiler shall be inspected every two years inclusive. It shall be the duty of the owner of any hobby or model boiler to obtain and display an inspection certificate. A hobby or model boiler can be placed in nonoperating status upon written notification to the chief inspector. Normal inspection procedures apply when reinstating the boiler.B\n\nThe inspection of every hobby or model boiler shall include an examination of or for the following:1\n\nThe fusible plug, if provided in the original design.2\n\nThe safety valve or valves. Such valve or valves shall be (i) marked with an American Society of Mechanical Engineers (ASME) stamp, (ii) set at or below the maximum allowable working pressure, and (iii) sealed in a manner that does not allow tampering with the valve without destroying the seal. The requirement of clause (i) shall be waived for model boilers upon the passage of an accumulation test.3\n\nInternal corrosion.4\n\nLeakage.5\n\nThe boiler power piping, up to and including the first valve.C\n\nA hobby or model boiler shall be subjected to nondestructive testing, at the owner’s expense, to determine the maximum allowable working pressure in accordance with Boiler and Pressure Vessel Regulations (16VAC25-50-10 et seq.).D\n\nAll hobby and model boilers shall pass a hydrostatic test. The pressure shall be at one and one-quarter maximum allowable working pressure, as determined by the inspection certificate and as deemed necessary based on inspections or other evidence. A hobby or model boiler that does not meet the requirements of the ASME code and is not registered in the Commonwealth shall, at the owner’s expense, be tested to one and one-half times the maximum allowable working pressure for hobby boilers and twice the maximum allowable working pressure for model boilers and, to be operated, shall have a successful (i) for lap seam and nonstandard welded boilers only, complete radiographic or ultrasonic examination of the long or longitudinal seam; (ii) ultrasonic examination for metal thickness, and for the purpose of calculating the maximum allowable working pressure, the thinnest reading shall be used; and (iii) for hobby boilers with lap seam construction, dye penetrant or magnetic particle examination for cracks with an ultrasonic or radiographic examination of areas where testing shows possible cracks.\n\t\t\tThe requirements of this subsection for hobby boilers only testing to one and one-half times the maximum allowable working pressure or full radiographic or ultrasonic examination may be waived after the initial inspection if the inspector finds that the general standards of subsection B are met and the safety valve or valves are set at the maximum allowable working pressure determined by the following: calculations from the ultrasonic results or 100 pounds per square inch, whichever is lower. If a variance is requested for butt strap hobby boilers, the Commissioner shall not deny such variance request without a given, valid reason.\n\t\t\tThe requirements of this subsection for model boilers only for testing to twice the maximum allowable working pressure or full radiographic or ultrasonic examination may be waived after the initial inspection if the inspector finds that the general standards of subsection B are met and the safety valve or valves are set at the maximum allowable working pressure determined by the following: calculations from the ultrasonic results or 100 pounds per square inch, whichever is lower.\n\t\t\tAny boiler which has been without a documented inspection within the past twenty years must have a two times maximum allowable working pressure hydro test prior to its operation.E\n\nAny hobby or model boiler holding a current out-of-state inspection certificate shall be accepted by the Commonwealth of Virginia, provided the inspection standards meet or exceed standards adopted by the Commonwealth.","order_by":null,"text":{"0":{"id":299311,"text":"A hobby or model boiler shall be inspected every two years inclusive. It shall be the duty of the owner of any hobby or model boiler to obtain and display an inspection certificate. A hobby or model boiler can be placed in nonoperating status upon written notification to the chief inspector. Normal inspection procedures apply when reinstating the boiler.","type":"section","prefixes":["A"],"prefix":"A","entire_prefix":"A","prefix_anchor":"A","level":1,"next_prefix":"B"},"1":{"id":299312,"text":"The inspection of every hobby or model boiler shall include an examination of or for the following:","type":"section","prefixes":["B"],"prefix":"B","entire_prefix":"B","prefix_anchor":"B","level":1,"prior_prefix":"A","next_prefix":"B1"},"2":{"id":299313,"text":"The fusible plug, if provided in the original design.","type":"section","prefixes":["B","1"],"prefix":"1","entire_prefix":"B1","prefix_anchor":"B1","level":2,"prior_prefix":"B","next_prefix":"B2"},"3":{"id":299314,"text":"The safety valve or valves. Such valve or valves shall be (i) marked with an American Society of Mechanical Engineers (ASME) stamp, (ii) set at or below the maximum allowable working pressure, and (iii) sealed in a manner that does not allow tampering with the valve without destroying the seal. The requirement of clause (i) shall be waived for model boilers upon the passage of an accumulation test.","type":"section","prefixes":["B","2"],"prefix":"2","entire_prefix":"B2","prefix_anchor":"B2","level":2,"prior_prefix":"B1","next_prefix":"B3"},"4":{"id":299315,"text":"Internal corrosion.","type":"section","prefixes":["B","3"],"prefix":"3","entire_prefix":"B3","prefix_anchor":"B3","level":2,"prior_prefix":"B2","next_prefix":"B4"},"5":{"id":299316,"text":"Leakage.","type":"section","prefixes":["B","4"],"prefix":"4","entire_prefix":"B4","prefix_anchor":"B4","level":2,"prior_prefix":"B3","next_prefix":"B5"},"6":{"id":299317,"text":"The boiler power piping, up to and including the first valve.","type":"section","prefixes":["B","5"],"prefix":"5","entire_prefix":"B5","prefix_anchor":"B5","level":2,"prior_prefix":"B4","next_prefix":"C"},"7":{"id":299318,"text":"A hobby or model boiler shall be subjected to nondestructive testing, at the owner’s expense, to determine the maximum allowable working pressure in accordance with Boiler and Pressure Vessel Regulations (16VAC25-50-10 et seq.).","type":"section","prefixes":["C"],"prefix":"C","entire_prefix":"C","prefix_anchor":"C","level":1,"prior_prefix":"B5","next_prefix":"D"},"8":{"id":299319,"text":"All hobby and model boilers shall pass a hydrostatic test. The pressure shall be at one and one-quarter maximum allowable working pressure, as determined by the inspection certificate and as deemed necessary based on inspections or other evidence. A hobby or model boiler that does not meet the requirements of the ASME code and is not registered in the Commonwealth shall, at the owner’s expense, be tested to one and one-half times the maximum allowable working pressure for hobby boilers and twice the maximum allowable working pressure for model boilers and, to be operated, shall have a successful (i) for lap seam and nonstandard welded boilers only, complete radiographic or ultrasonic examination of the long or longitudinal seam; (ii) ultrasonic examination for metal thickness, and for the purpose of calculating the maximum allowable working pressure, the thinnest reading shall be used; and (iii) for hobby boilers with lap seam construction, dye penetrant or magnetic particle examination for cracks with an ultrasonic or radiographic examination of areas where testing shows possible cracks.\n\t\t\tThe requirements of this subsection for hobby boilers only testing to one and one-half times the maximum allowable working pressure or full radiographic or ultrasonic examination may be waived after the initial inspection if the inspector finds that the general standards of subsection B are met and the safety valve or valves are set at the maximum allowable working pressure determined by the following: calculations from the ultrasonic results or 100 pounds per square inch, whichever is lower. If a variance is requested for butt strap hobby boilers, the Commissioner shall not deny such variance request without a given, valid reason.\n\t\t\tThe requirements of this subsection for model boilers only for testing to twice the maximum allowable working pressure or full radiographic or ultrasonic examination may be waived after the initial inspection if the inspector finds that the general standards of subsection B are met and the safety valve or valves are set at the maximum allowable working pressure determined by the following: calculations from the ultrasonic results or 100 pounds per square inch, whichever is lower.\n\t\t\tAny boiler which has been without a documented inspection within the past twenty years must have a two times maximum allowable working pressure hydro test prior to its operation.","type":"section","prefixes":["D"],"prefix":"D","entire_prefix":"D","prefix_anchor":"D","level":1,"prior_prefix":"C","next_prefix":"E"},"9":{"id":299320,"text":"Any hobby or model boiler holding a current out-of-state inspection certificate shall be accepted by the Commonwealth of Virginia, provided the inspection standards meet or exceed standards adopted by the Commonwealth.","type":"section","prefixes":["E"],"prefix":"E","entire_prefix":"E","prefix_anchor":"E","level":1,"prior_prefix":"D"}},"ancestry":[{"id":15644,"edition_id":1,"name":"Hobby and Model Boilers","identifier":"2","label":"article","depth":3,"order_by":1,"parent_id":14121,"metadata":{},"date_created":"2026-06-26 03:57:19","date_modified":"2026-06-26 03:57:19","permalink":{"id":220259,"object_type":"structure","relational_id":15644,"identifier":"2","token":"40.1\/3.1\/2","url":"\/40.1\/3.1\/2\/","edition_id":1,"permalink":0,"preferred":1}},{"id":14121,"edition_id":1,"name":"Boiler and Pressure Vessel Safety Act","identifier":"3.1","label":"chapter","depth":2,"order_by":1,"parent_id":12776,"metadata":{},"date_created":"2026-06-26 03:46:56","date_modified":"2026-06-26 03:46:56","permalink":{"id":220175,"object_type":"structure","relational_id":14121,"identifier":"3.1","token":"40.1\/3.1","url":"\/40.1\/3.1\/","edition_id":1,"permalink":0,"preferred":1}},{"id":12776,"edition_id":1,"name":"Labor and Employment","identifier":"40.1","label":"title","depth":1,"order_by":1,"parent_id":null,"metadata":{},"date_created":"2026-06-26 03:43:52","date_modified":"2026-06-26 03:43:52","permalink":{"id":219723,"object_type":"structure","relational_id":12776,"identifier":"40.1","token":"40.1","url":"\/40.1\/","edition_id":1,"permalink":0,"preferred":1}}],"structure_contents":[{"id":77255,"structure_id":15644,"section_number":"40.1-51.19:1","catch_line":"Definitions","url":"\/40.1-51.19_1\/","token":"40.1\/3.1\/2\/40.1-51.19_1","metadata":false},{"id":59794,"structure_id":15644,"section_number":"40.1-51.19:2","catch_line":"Applicability","url":"\/40.1-51.19_2\/","token":"40.1\/3.1\/2\/40.1-51.19_2","metadata":false},{"id":83523,"structure_id":15644,"section_number":"40.1-51.19:3","catch_line":"Inspection and testing","url":"\/40.1-51.19_3\/","token":"40.1\/3.1\/2\/40.1-51.19_3","metadata":false},{"id":66400,"structure_id":15644,"section_number":"40.1-51.19:4","catch_line":"Operations and maintenance","url":"\/40.1-51.19_4\/","token":"40.1\/3.1\/2\/40.1-51.19_4","metadata":false},{"id":79228,"structure_id":15644,"section_number":"40.1-51.19:4.1","catch_line":"Variances","url":"\/40.1-51.19_4.1\/","token":"40.1\/3.1\/2\/40.1-51.19_4.1","metadata":false},{"id":83335,"structure_id":15644,"section_number":"40.1-51.19:5","catch_line":"Civil penalty","url":"\/40.1-51.19_5\/","token":"40.1\/3.1\/2\/40.1-51.19_5","metadata":false}],"previous_section":{"id":59794,"structure_id":15644,"section_number":"40.1-51.19:2","catch_line":"Applicability","url":"\/40.1-51.19_2\/","token":"40.1\/3.1\/2\/40.1-51.19_2","metadata":false},"next_section":{"id":66400,"structure_id":15644,"section_number":"40.1-51.19:4","catch_line":"Operations and maintenance","url":"\/40.1-51.19_4\/","token":"40.1\/3.1\/2\/40.1-51.19_4","metadata":false},"metadata":false,"official_url":"https:\/\/law.lis.virginia.gov\/vacode\/40.1-51.19:3\/","history_text":"

This law was first created in 1999. The record of its establishment is cataloged in chapter 335<\/a> of that year\u2019s edition of \u201cActs of Assembly,\u201d the annual state publication listing all changes made to the Code of Virginia in that year. It has been modified 1 time. Those modifications are cataloged by \u201cThe Acts of Assembly,\u201d a state publication, by year and chapter. Those modifications that can be read on the General Assembly\u2019s website will be linked accordingly. That modification is as follows: in 2000, chapters 879<\/a> and 898<\/a>.<\/p>","references":false,"refers_to":false,"permalink":{"id":220269,"object_type":"law","relational_id":83523,"identifier":"40.1-51.19:3","token":"40.1\/3.1\/2\/40.1-51.19_3","url":"\/40.1-51.19_3\/","edition_id":1,"permalink":0,"preferred":1},"url":"\/40.1-51.19_3\/","token":"40.1\/3.1\/2\/40.1-51.19_3","dublin_core":{"Title":"Inspection and testing","Type":"Text","Format":"text\/html","Identifier":"\u00a7 40.1-51.19:3","Relation":"Code of Virginia"},"html":"\n\t\t\t\t\t\t

A.<\/span> A hobby or model boiler<\/span> shall be inspected every two years inclusive. It shall be the duty of the owner of any hobby or model boiler<\/span> to obtain and display an inspection certificate. A hobby or model boiler<\/span> can be placed in nonoperating status upon written notification to the chief inspector. Normal inspection procedures apply when reinstating the boiler. <\/i><\/a><\/p><\/section>\n\t\t\t\t\t\t

B.<\/span> The inspection of every hobby or model boiler<\/span> shall include an examination of or for the following: <\/i><\/a><\/p><\/section>\n\t\t\t\t\t\t

1.<\/span> The fusible plug, if provided in the original design. <\/i><\/a><\/p><\/section>\n\t\t\t\t\t\t

2.<\/span> The safety valve or valves. Such valve or valves shall be (i) marked with an American Society of Mechanical Engineers (ASME) stamp, (ii) set at or below the maximum allowable working pressure, and (iii) sealed<\/span> in a manner that does not allow tampering with the valve without destroying the seal. The requirement of clause (i) shall be waived for model boilers<\/span> upon the passage of an accumulation test. <\/i><\/a><\/p><\/section>\n\t\t\t\t\t\t

3.<\/span> Internal corrosion. <\/i><\/a><\/p><\/section>\n\t\t\t\t\t\t

4.<\/span> Leakage. <\/i><\/a><\/p><\/section>\n\t\t\t\t\t\t

5.<\/span> The boiler power piping, up to and including the first valve. <\/i><\/a><\/p><\/section>\n\t\t\t\t\t\t

C.<\/span> A hobby or model boiler<\/span> shall be subjected to nondestructive testing, at the owner’s expense, to determine the maximum allowable working pressure in accordance with Boiler and Pressure Vessel Regulations (16VAC25-50-10 et seq.). <\/i><\/a><\/p><\/section>\n\t\t\t\t\t\t

D.<\/span> All hobby and model boilers<\/span> shall pass a hydrostatic test. The pressure shall be at one and one-quarter maximum allowable working pressure, as determined by the inspection certificate and as deemed necessary based on inspections or other evidence<\/span>. A hobby or model boiler<\/span> that does not meet the requirements of the ASME code and is not registered in the Commonwealth shall, at the owner’s expense, be tested to one and one-half times the maximum allowable working pressure for hobby boilers<\/span> and twice the maximum allowable working pressure for model boilers<\/span> and, to be operated, shall have a successful (i) for lap seam and nonstandard welded boilers only, complete radiographic or ultrasonic examination of the long or longitudinal seam; (ii) ultrasonic examination for metal thickness, and for the purpose of calculating the maximum allowable working pressure, the thinnest reading shall be used; and (iii) for hobby boilers<\/span> with lap seam construction, dye penetrant or magnetic particle examination for cracks with an ultrasonic or radiographic examination of areas where testing shows possible cracks.\n\t\t\tThe requirements of this subsection for hobby boilers<\/span> only testing to one and one-half times the maximum allowable working pressure or full radiographic or ultrasonic examination may be waived after the initial inspection if the inspector finds that the general standards of subsection B are met and the safety valve or valves are set at the maximum allowable working pressure determined by the following: calculations from the ultrasonic results or 100 pounds per square inch, whichever is lower. If a variance is requested for butt strap hobby boilers<\/span>, the Commissioner<\/span> shall not deny such variance request without a given, valid reason.\n\t\t\tThe requirements of this subsection for model boilers<\/span> only for testing to twice the maximum allowable working pressure or full radiographic or ultrasonic examination may be waived after the initial inspection if the inspector finds that the general standards of subsection B are met and the safety valve or valves are set at the maximum allowable working pressure determined by the following: calculations from the ultrasonic results or 100 pounds per square inch, whichever is lower.\n\t\t\tAny boiler which has been without a documented inspection within the past twenty years must have a two times maximum allowable working pressure hydro test prior to its operation. <\/i><\/a><\/p><\/section>\n\t\t\t\t\t\t

E.<\/span> Any hobby or model boiler<\/span> holding a current out-of-state inspection certificate shall be accepted by the Commonwealth of Virginia, provided the inspection standards meet or exceed standards adopted by the Commonwealth. <\/i><\/a><\/p><\/section>","plain_text":" CODE OF VIRGINIA\n\nINSPECTION AND TESTING (\u00a7 40.1-51.19:3)\n\nA. A hobby or model boiler shall be inspected every two years inclusive. It\nshall be the duty of the owner of any hobby or model boiler to obtain and\ndisplay an inspection certificate. A hobby or model boiler can be placed in\nnonoperating status upon written notification to the chief inspector. Normal\ninspection procedures apply when reinstating the boiler.\n\nB. The inspection of every hobby or model boiler shall include an examination of\nor for the following:\n\n 1. The fusible plug, if provided in the original design.\n\n 2. The safety valve or valves. Such valve or valves shall be (i) marked with\n an American Society of Mechanical Engineers (ASME) stamp, (ii) set at or below\n the maximum allowable working pressure, and (iii) sealed in a manner that does\n not allow tampering with the valve without destroying the seal. The\n requirement of clause (i) shall be waived for model boilers upon the passage\n of an accumulation test.\n\n 3. Internal corrosion.\n\n 4. Leakage.\n\n 5. The boiler power piping, up to and including the first valve.\n\nC. A hobby or model boiler shall be subjected to nondestructive testing, at the\nowner’s expense, to determine the maximum allowable working pressure in\naccordance with Boiler and Pressure Vessel Regulations (16VAC25-50-10 et seq.).\n\nD. All hobby and model boilers shall pass a hydrostatic test. The pressure shall\nbe at one and one-quarter maximum allowable working pressure, as determined by\nthe inspection certificate and as deemed necessary based on inspections or other\nevidence. A hobby or model boiler that does not meet the requirements of the\nASME code and is not registered in the Commonwealth shall, at the owner’s\nexpense, be tested to one and one-half times the maximum allowable working\npressure for hobby boilers and twice the maximum allowable working pressure for\nmodel boilers and, to be operated, shall have a successful (i) for lap seam and\nnonstandard welded boilers only, complete radiographic or ultrasonic examination\nof the long or longitudinal seam; (ii) ultrasonic examination for metal\nthickness, and for the purpose of calculating the maximum allowable working\npressure, the thinnest reading shall be used; and (iii) for hobby boilers with\nlap seam construction, dye penetrant or magnetic particle examination for cracks\nwith an ultrasonic or radiographic examination of areas where testing shows\npossible cracks.\n\t\t\tThe requirements of this subsection for hobby boilers only testing to one and\none-half times the maximum allowable working pressure or full radiographic or\nultrasonic examination may be waived after the initial inspection if the\ninspector finds that the general standards of subsection B are met and the\nsafety valve or valves are set at the maximum allowable working pressure\ndetermined by the following: calculations from the ultrasonic results or 100\npounds per square inch, whichever is lower. If a variance is requested for butt\nstrap hobby boilers, the Commissioner shall not deny such variance request\nwithout a given, valid reason.\n\t\t\tThe requirements of this subsection for model boilers only for testing to\ntwice the maximum allowable working pressure or full radiographic or ultrasonic\nexamination may be waived after the initial inspection if the inspector finds\nthat the general standards of subsection B are met and the safety valve or\nvalves are set at the maximum allowable working pressure determined by the\nfollowing: calculations from the ultrasonic results or 100 pounds per square\ninch, whichever is lower.\n\t\t\tAny boiler which has been without a documented inspection within the past\ntwenty years must have a two times maximum allowable working pressure hydro test\nprior to its operation.\n\nE. Any hobby or model boiler holding a current out-of-state inspection\ncertificate shall be accepted by the Commonwealth of Virginia, provided the\ninspection standards meet or exceed standards adopted by the Commonwealth.\n\nHISTORY: 1999, c. 335; 2000, cc. 879, 898.","edition":{"id":1,"name":"2025","slug":"2025","date_created":"2026-06-21 22:39:22","date_modified":"2026-06-21 22:39:22","current":1,"order_by":1,"last_import":null}}