{"formats":[{"name":"JSON","format":"json","url":"\/downloads\/2025\/code-json\/45.2-838.json"},{"name":"Plain Text","format":"text","url":"\/downloads\/2025\/code-text\/45.2-838.txt"},{"name":"XML","format":"xml","url":"\/downloads\/2025\/code-xml\/45.2-838.xml"},{"name":"HTML","format":"html","url":"\/downloads\/2025\/code-html\/45.2-838.html"}],"law_id":55504,"edition_id":1,"section_id":55504,"structure_id":14031,"section_number":"45.2-838","catch_line":" Coursing of air","history":"Code 1950, \u00a7\u00a7 45-60.4, 45-71; 1954, c. 191; 1966, c. 594, \u00a7 45.1-57; 1978, c. 120; 1994, c. 28, \u00a7 45.1-161.221; 1996, c. 774; 1999, c. 256; 2021, Sp. Sess. I, c. 387.","full_text":"A\n\nThe main intake and return air currents of a drift or slope mine shall not be in a single partitioned opening.B\n\nEvery entry driven in coal shall be in a set of two or more entries.C\n\nEvery transformer station, battery-charging station, substation, rectifier, and water pump shall be housed in an incombustible structure or area or be equipped with an approved fire suppression system. Each such installation shall be ventilated with intake air that is coursed into a return air course or to the surface and that is not used to ventilate any working place. This requirement does not apply to any (i) rectifier, battery-charging station, or power center with transformers that are of the dry type or contain nonflammable liquid, if such rectifier, battery-charging station, or power center is located at or near the working section and is moved as the working section advances or retreats; (ii) submersible pump; (iii) permissible pump and associated permissible switch gear; (iv) pump located at or near the working section that is moved as the working section advances or retreats; or (v) small portable pump. Such equipment shall be installed and operated only in a well-ventilated location.D\n\nAny change in ventilation that materially affects the main air current or any split thereof shall be made when the mine is not in operation and there are no miners in the mine other than those engaged in changing the ventilation.E\n\nEach section in a mine shall be ventilated by a separate split of air.F\n\nAir used to ventilate a belt haulage entry shall not be used to ventilate any working place unless approved by the Chief.","order_by":null,"text":{"0":{"id":203447,"text":"The main intake and return air currents of a drift or slope mine shall not be in a single partitioned opening.","type":"section","prefixes":["A"],"prefix":"A","entire_prefix":"A","prefix_anchor":"A","level":1,"next_prefix":"B"},"1":{"id":203448,"text":"Every entry driven in coal shall be in a set of two or more entries.","type":"section","prefixes":["B"],"prefix":"B","entire_prefix":"B","prefix_anchor":"B","level":1,"prior_prefix":"A","next_prefix":"C"},"2":{"id":203449,"text":"Every transformer station, battery-charging station, substation, rectifier, and water pump shall be housed in an incombustible structure or area or be equipped with an approved fire suppression system. Each such installation shall be ventilated with intake air that is coursed into a return air course or to the surface and that is not used to ventilate any working place. This requirement does not apply to any (i) rectifier, battery-charging station, or power center with transformers that are of the dry type or contain nonflammable liquid, if such rectifier, battery-charging station, or power center is located at or near the working section and is moved as the working section advances or retreats; (ii) submersible pump; (iii) permissible pump and associated permissible switch gear; (iv) pump located at or near the working section that is moved as the working section advances or retreats; or (v) small portable pump. Such equipment shall be installed and operated only in a well-ventilated location.","type":"section","prefixes":["C"],"prefix":"C","entire_prefix":"C","prefix_anchor":"C","level":1,"prior_prefix":"B","next_prefix":"D"},"3":{"id":203450,"text":"Any change in ventilation that materially affects the main air current or any split thereof shall be made when the mine is not in operation and there are no miners in the mine other than those engaged in changing the ventilation.","type":"section","prefixes":["D"],"prefix":"D","entire_prefix":"D","prefix_anchor":"D","level":1,"prior_prefix":"C","next_prefix":"E"},"4":{"id":203451,"text":"Each section in a mine shall be ventilated by a separate split of air.","type":"section","prefixes":["E"],"prefix":"E","entire_prefix":"E","prefix_anchor":"E","level":1,"prior_prefix":"D","next_prefix":"F"},"5":{"id":203452,"text":"Air used to ventilate a belt haulage entry shall not be used to ventilate any working place unless approved by the Chief.","type":"section","prefixes":["F"],"prefix":"F","entire_prefix":"F","prefix_anchor":"F","level":1,"prior_prefix":"E"}},"ancestry":[{"id":14031,"edition_id":1,"name":"Ventilation, Mine Gases, and Other Hazardous Conditions","identifier":"4","label":"article","depth":5,"order_by":1,"parent_id":14030,"metadata":{},"date_created":"2026-06-26 03:46:38","date_modified":"2026-06-26 03:46:38","permalink":{"id":223537,"object_type":"structure","relational_id":14031,"identifier":"4","token":"45.2\/II\/B\/8\/4","url":"\/45.2\/II\/B\/8\/4\/","edition_id":1,"permalink":0,"preferred":1}},{"id":14030,"edition_id":1,"name":"Requirements Applicable to Underground Coal Mines; Electricity, Safety, Etc","identifier":"8","label":"chapter","depth":4,"order_by":1,"parent_id":12986,"metadata":{},"date_created":"2026-06-26 03:46:38","date_modified":"2026-06-26 03:46:38","permalink":{"id":223425,"object_type":"structure","relational_id":14030,"identifier":"8","token":"45.2\/II\/B\/8","url":"\/45.2\/II\/B\/8\/","edition_id":1,"permalink":0,"preferred":1}},{"id":12986,"edition_id":1,"name":"Underground Coal Mines","identifier":"B","label":"part","depth":3,"order_by":1,"parent_id":12985,"metadata":{},"date_created":"2026-06-26 03:44:06","date_modified":"2026-06-26 03:44:06","permalink":{"id":223095,"object_type":"structure","relational_id":12986,"identifier":"B","token":"45.2\/II\/B","url":"\/45.2\/II\/B\/","edition_id":1,"permalink":0,"preferred":1}},{"id":12985,"edition_id":1,"name":"Coal Mining","identifier":"II","label":"subtitle","depth":2,"order_by":1,"parent_id":12713,"metadata":{},"date_created":"2026-06-26 03:44:06","date_modified":"2026-06-26 03:44:06","permalink":{"id":222647,"object_type":"structure","relational_id":12985,"identifier":"II","token":"45.2\/II","url":"\/45.2\/II\/","edition_id":1,"permalink":0,"preferred":1}},{"id":12713,"edition_id":1,"name":"Mines, Minerals, and Energy","identifier":"45.2","label":"title","depth":1,"order_by":1,"parent_id":null,"metadata":{},"date_created":"2026-06-26 03:43:49","date_modified":"2026-06-26 03:43:49","permalink":{"id":222539,"object_type":"structure","relational_id":12713,"identifier":"45.2","token":"45.2","url":"\/45.2\/","edition_id":1,"permalink":0,"preferred":1}}],"structure_contents":[{"id":61647,"structure_id":14031,"section_number":"45.2-826","catch_line":" Pre-shift examinations","url":"\/45.2-826\/","token":"45.2\/II\/B\/8\/4\/45.2-826","metadata":false},{"id":75532,"structure_id":14031,"section_number":"45.2-827","catch_line":" On-shift examinations","url":"\/45.2-827\/","token":"45.2\/II\/B\/8\/4\/45.2-827","metadata":false},{"id":84889,"structure_id":14031,"section_number":"45.2-828","catch_line":" Weekly examinations","url":"\/45.2-828\/","token":"45.2\/II\/B\/8\/4\/45.2-828","metadata":false},{"id":55121,"structure_id":14031,"section_number":"45.2-829","catch_line":" Examinations of fans","url":"\/45.2-829\/","token":"45.2\/II\/B\/8\/4\/45.2-829","metadata":false},{"id":78974,"structure_id":14031,"section_number":"45.2-830","catch_line":" Record of examinations","url":"\/45.2-830\/","token":"45.2\/II\/B\/8\/4\/45.2-830","metadata":false},{"id":73101,"structure_id":14031,"section_number":"45.2-831","catch_line":" Notice of hazardous conditions","url":"\/45.2-831\/","token":"45.2\/II\/B\/8\/4\/45.2-831","metadata":false},{"id":56771,"structure_id":14031,"section_number":"45.2-832","catch_line":" Notice of monitor tampering prohibition","url":"\/45.2-832\/","token":"45.2\/II\/B\/8\/4\/45.2-832","metadata":false},{"id":84902,"structure_id":14031,"section_number":"45.2-833","catch_line":" Main fans","url":"\/45.2-833\/","token":"45.2\/II\/B\/8\/4\/45.2-833","metadata":false},{"id":64758,"structure_id":14031,"section_number":"45.2-834","catch_line":" Fan stoppage plan","url":"\/45.2-834\/","token":"45.2\/II\/B\/8\/4\/45.2-834","metadata":false},{"id":61736,"structure_id":14031,"section_number":"45.2-835","catch_line":" Auxiliary fans","url":"\/45.2-835\/","token":"45.2\/II\/B\/8\/4\/45.2-835","metadata":false},{"id":78287,"structure_id":14031,"section_number":"45.2-836","catch_line":" Quantity of air","url":"\/45.2-836\/","token":"45.2\/II\/B\/8\/4\/45.2-836","metadata":false},{"id":81164,"structure_id":14031,"section_number":"45.2-837","catch_line":" Bleeder systems","url":"\/45.2-837\/","token":"45.2\/II\/B\/8\/4\/45.2-837","metadata":false},{"id":55504,"structure_id":14031,"section_number":"45.2-838","catch_line":" Coursing of air","url":"\/45.2-838\/","token":"45.2\/II\/B\/8\/4\/45.2-838","metadata":false},{"id":75203,"structure_id":14031,"section_number":"45.2-839","catch_line":" Actions for excessive methane","url":"\/45.2-839\/","token":"45.2\/II\/B\/8\/4\/45.2-839","metadata":false},{"id":75918,"structure_id":14031,"section_number":"45.2-840","catch_line":" Crosscuts","url":"\/45.2-840\/","token":"45.2\/II\/B\/8\/4\/45.2-840","metadata":false},{"id":78688,"structure_id":14031,"section_number":"45.2-841","catch_line":" Permanent stoppings","url":"\/45.2-841\/","token":"45.2\/II\/B\/8\/4\/45.2-841","metadata":false},{"id":86254,"structure_id":14031,"section_number":"45.2-842","catch_line":" Ventilation controls","url":"\/45.2-842\/","token":"45.2\/II\/B\/8\/4\/45.2-842","metadata":false},{"id":59441,"structure_id":14031,"section_number":"45.2-843","catch_line":" Line brattice","url":"\/45.2-843\/","token":"45.2\/II\/B\/8\/4\/45.2-843","metadata":false},{"id":70834,"structure_id":14031,"section_number":"45.2-844","catch_line":" Ventilation with air from certain areas","url":"\/45.2-844\/","token":"45.2\/II\/B\/8\/4\/45.2-844","metadata":false},{"id":64318,"structure_id":14031,"section_number":"45.2-845","catch_line":" Worked-out areas","url":"\/45.2-845\/","token":"45.2\/II\/B\/8\/4\/45.2-845","metadata":false},{"id":74385,"structure_id":14031,"section_number":"45.2-846","catch_line":" Air quality","url":"\/45.2-846\/","token":"45.2\/II\/B\/8\/4\/45.2-846","metadata":false},{"id":71388,"structure_id":14031,"section_number":"45.2-847","catch_line":" Examination of mine for explosive gas and other hazardous conditions","url":"\/45.2-847\/","token":"45.2\/II\/B\/8\/4\/45.2-847","metadata":false},{"id":86482,"structure_id":14031,"section_number":"45.2-848","catch_line":" Tampering with methane monitoring devices prohibited; penalty","url":"\/45.2-848\/","token":"45.2\/II\/B\/8\/4\/45.2-848","metadata":false},{"id":66298,"structure_id":14031,"section_number":"45.2-849","catch_line":" Allowing persons to work in mine where methane monitoring equipment disconnected; penalty","url":"\/45.2-849\/","token":"45.2\/II\/B\/8\/4\/45.2-849","metadata":false},{"id":77699,"structure_id":14031,"section_number":"45.2-850","catch_line":" Intentionally bypassing a safety device; prohibition","url":"\/45.2-850\/","token":"45.2\/II\/B\/8\/4\/45.2-850","metadata":false},{"id":68872,"structure_id":14031,"section_number":"45.2-851","catch_line":" Control of coal dust","url":"\/45.2-851\/","token":"45.2\/II\/B\/8\/4\/45.2-851","metadata":false},{"id":79750,"structure_id":14031,"section_number":"45.2-852","catch_line":" Rock dusting","url":"\/45.2-852\/","token":"45.2\/II\/B\/8\/4\/45.2-852","metadata":false}],"previous_section":{"id":81164,"structure_id":14031,"section_number":"45.2-837","catch_line":" Bleeder systems","url":"\/45.2-837\/","token":"45.2\/II\/B\/8\/4\/45.2-837","metadata":false},"next_section":{"id":75203,"structure_id":14031,"section_number":"45.2-839","catch_line":" Actions for excessive methane","url":"\/45.2-839\/","token":"45.2\/II\/B\/8\/4\/45.2-839","metadata":false},"metadata":false,"official_url":"https:\/\/law.lis.virginia.gov\/vacode\/45.2-838\/","history_text":"<p>The record of this law\u2019s original creation isn\u2019t available online. It has been modified 6 times. 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. Those modifications are as follows: in 1954, chapter 191; in 1966, chapter 594; in 1978, chapter 120; in 1994, chapter <a href=\"https:\/\/legacylis.virginia.gov\/cgi-bin\/legp604.exe?941+ful+CHAP0028\">28<\/a>; in 1996, chapter <a href=\"https:\/\/legacylis.virginia.gov\/cgi-bin\/legp604.exe?961+ful+CHAP0774\">774<\/a>; in 1999, chapter <a href=\"https:\/\/legacylis.virginia.gov\/cgi-bin\/legp604.exe?991+ful+CHAP0256\">256<\/a>.<\/p>","references":false,"refers_to":false,"permalink":{"id":223587,"object_type":"law","relational_id":55504,"identifier":"45.2-838","token":"45.2\/II\/B\/8\/4\/45.2-838","url":"\/45.2-838\/","edition_id":1,"permalink":0,"preferred":1},"url":"\/45.2-838\/","token":"45.2\/II\/B\/8\/4\/45.2-838","dublin_core":{"Title":" Coursing of air","Type":"Text","Format":"text\/html","Identifier":"\u00a7 45.2-838","Relation":"Code of Virginia"},"html":"\n\t\t\t\t\t\t<section id=\"A\"><p><span class=\"prefix-number\">A.<\/span> The main intake and return air currents of a drift or slope mine shall not be in a single partitioned opening. <a id=\"paragraph-203447\" class=\"section-permalink\" href=\"https:\/\/vacode.org\/45.2-838\/#A\"><i class=\"fa fa-link\"><\/i><\/a><\/p><\/section>\n\t\t\t\t\t\t<section id=\"B\"><p><span class=\"prefix-number\">B.<\/span> Every entry driven in coal shall be in a set of two or more entries. <a id=\"paragraph-203448\" class=\"section-permalink\" href=\"https:\/\/vacode.org\/45.2-838\/#B\"><i class=\"fa fa-link\"><\/i><\/a><\/p><\/section>\n\t\t\t\t\t\t<section id=\"C\"><p><span class=\"prefix-number\">C.<\/span> Every transformer station, <span class=\"dictionary\">battery<\/span>-charging station, substation, rectifier, and water pump shall be housed in an incombustible structure or area or be equipped with an approved fire suppression system. Each such installation shall be ventilated with intake air that is coursed into a return air course or to the surface and that is not used to ventilate any working place. This requirement does not apply to any (i) rectifier, <span class=\"dictionary\">battery<\/span>-charging station, or power center with transformers that are of the dry type or contain nonflammable liquid, if such rectifier, <span class=\"dictionary\">battery<\/span>-charging station, or power center is located at or near the working section and is moved as the working section advances or retreats; (ii) submersible pump; (iii) permissible pump and associated permissible switch gear; (iv) pump located at or near the working section that is moved as the working section advances or retreats; or (v) small portable pump. Such equipment shall be installed and operated only in a well-ventilated location. <a id=\"paragraph-203449\" class=\"section-permalink\" href=\"https:\/\/vacode.org\/45.2-838\/#C\"><i class=\"fa fa-link\"><\/i><\/a><\/p><\/section>\n\t\t\t\t\t\t<section id=\"D\"><p><span class=\"prefix-number\">D.<\/span> Any change in ventilation that materially affects the main air current or any split thereof shall be made when the mine is not in operation and there are no miners in the mine other than those engaged in changing the ventilation. <a id=\"paragraph-203450\" class=\"section-permalink\" href=\"https:\/\/vacode.org\/45.2-838\/#D\"><i class=\"fa fa-link\"><\/i><\/a><\/p><\/section>\n\t\t\t\t\t\t<section id=\"E\"><p><span class=\"prefix-number\">E.<\/span> Each section in a mine shall be ventilated by a separate split of air. <a id=\"paragraph-203451\" class=\"section-permalink\" href=\"https:\/\/vacode.org\/45.2-838\/#E\"><i class=\"fa fa-link\"><\/i><\/a><\/p><\/section>\n\t\t\t\t\t\t<section id=\"F\"><p><span class=\"prefix-number\">F.<\/span> Air used to ventilate a belt haulage entry shall not be used to ventilate any working place unless approved by the <span class=\"dictionary\">Chief<\/span>. <a id=\"paragraph-203452\" class=\"section-permalink\" href=\"https:\/\/vacode.org\/45.2-838\/#F\"><i class=\"fa fa-link\"><\/i><\/a><\/p><\/section>","plain_text":"                                 CODE OF VIRGINIA\n\n COURSING OF AIR (\u00a7 45.2-838)\n\nA. The main intake and return air currents of a drift or slope mine shall not be\nin a single partitioned opening.\n\nB. Every entry driven in coal shall be in a set of two or more entries.\n\nC. Every transformer station, battery-charging station, substation, rectifier,\nand water pump shall be housed in an incombustible structure or area or be\nequipped with an approved fire suppression system. Each such installation shall\nbe ventilated with intake air that is coursed into a return air course or to the\nsurface and that is not used to ventilate any working place. This requirement\ndoes not apply to any (i) rectifier, battery-charging station, or power center\nwith transformers that are of the dry type or contain nonflammable liquid, if\nsuch rectifier, battery-charging station, or power center is located at or near\nthe working section and is moved as the working section advances or retreats;\n(ii) submersible pump; (iii) permissible pump and associated permissible switch\ngear; (iv) pump located at or near the working section that is moved as the\nworking section advances or retreats; or (v) small portable pump. Such equipment\nshall be installed and operated only in a well-ventilated location.\n\nD. Any change in ventilation that materially affects the main air current or any\nsplit thereof shall be made when the mine is not in operation and there are no\nminers in the mine other than those engaged in changing the ventilation.\n\nE. Each section in a mine shall be ventilated by a separate split of air.\n\nF. Air used to ventilate a belt haulage entry shall not be used to ventilate any\nworking place unless approved by the Chief.\n\nHISTORY: Code 1950, \u00a7\u00a7 45-60.4, 45-71; 1954, c. 191; 1966, c. 594, \u00a7 45.1-57;\n1978, c. 120; 1994, c. 28, \u00a7 45.1-161.221; 1996, c. 774; 1999, c. 256; 2021,\nSp. Sess. I, c. 387.","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}}