{
  "url": "https://openlegislation.uk/coal-and-other-mines-metrication-regulations-1978/schedule",
  "json_url": "https://openlegislation.uk/coal-and-other-mines-metrication-regulations-1978/schedule.json",
  "legislation": "uksi/1978/1648",
  "legislation_title": "The Coal and Other Mines (Metrication) Regulations 1978",
  "legislation_url": "https://openlegislation.uk/coal-and-other-mines-metrication-regulations-1978",
  "path": "schedule",
  "kind": "schedule",
  "number": null,
  "heading": "AMENDMENTS TO REGULATIONS",
  "text": "Column 1\nColumn 2\nColumn 3\nColumn 4\nColumn 5\nRegulations to be amended\nSubject matter of measurement(s)\nPresent Measurement\nSubstituted Measurement\nApplication of Amendment\nThe Coal and Other Mines (Managers and Officials) Regulations 1956, as amended\nRegulation 10(1)\nScale of plans\nsix inches to a mile\n1:10560\nAll cases\nThe Coal and Other Mines (Surveyors and Plans) Regulations 1956\nRegulation 6(1)(a)\nExtent of working to be covered by plans\nthree hundred feet\n100 metres\nPlans made after these Regulations come into operation\nRegulation 8(1)\n(a) Distance from boundary of working outside mine to be shown on plans\n(a) three hundred and seventy-five feet\n(a) 115 metres\n(a) Plans made after these Regulations come into operation\n(b) Depth of workings to be shown on plans\n(b) one hundred and twenty feet\n(b) 37 metres\n(b) All cases\nRegulation 10\nScale of Plans\nsix inches to one mile\n1:10560\nAll cases\nThe Coal and Other Mines (General Duties and Conduct) Regulations 1956\nRegulation 6(1)\nPower of machinery which only certain persons may operate\nten horse-power\n7.5 kilowatts\nAll cases\nThe Coal and Other Mines (Safety Lamps and Lighting) Regulations 1956\nRegulation 9\nDistance to be kept between safety lamp and equipment in use\ntwo feet\n600 millimetres\nAll cases\nRegulation 17(3)\nDistances from working face within which certain lighting not required\n(a) one hundred and fifty feet\n(b) nine hundred feet\n(c) thirty feet\n(a) 45 metres\n(b) 275 metres\n(c) 10 metres\n(a), (b) and (c) All cases\nRegulation 18(1)(a)\nDistance from working face beyond which certain lights authorised\none hundred and fifty feet\n45 metres\nAll cases\nRegulation 18(1)(b)\nDistance from working face beyond which certain lights authorised\nnine hundred feet\n275 metres\nAll cases\nRegulation 18(1)(c)\nDistances from working face beyond which certain lights authorised\n(a) thirty feet\n(b) three hundred feet\n(a) 10 metres\n(b) 90 metres\n(a) and (b) All cases\nRegulation 18(1)(d)\nDistance from working face beyond which certain lights authorised\nthirty feet\n10 metres\nAll cases\nRegulation 18(5)\nDistance from working face within which only apparatus approved by the Health and Safety Executive may be used\nnine hundred feet\n275 metres\nAll cases\nRegulation 23(c)\nDistance from working face within which there is no need to whiten walls, etc.\nthree hundred feet\n90 metres\nAll cases\nThe Coal and Other Mines (Electricity) Regulations 1956, as amended\nRegulation 13(2)\nMinimum permitted cross-sectional area of earthing conductor\n0.022 square inches\n14 square millimetres\nAll cases\nRegulation 13(2)(a)\nMaximum required cross-sectional area of earthing conductor used with certain flexible cable\n0.01 square inches\n6 square millimetres\nAll cases\nRegulation 14(4)\nMaximum distance between points at which metallic coverings of separate cables shall be bonded together\none hundred feet\n30 metres\nSystems brought into use after these Regulations come into operation\nRegulation 20(2)(a)\nCapacity of permitted battery for direct current signalling\nthree pint\n1.7 litre\nAll cases\nThe Coal and Other Mines (Fire and Rescue) Regulations 1956\nRegulation 12(1)\n(a) Distance from entrance to mine within which central rescue station shall be situated\n(a) fifteen miles\n(a) 25 kilometres\n(a) All cases\n(b) Maximum distance from entrance to mine within which central rescue station may be situated with authority of an inspector\n(b) twenty miles\n(b) 32 kilometres\n(b) All cases\nRegulation 12(2)(b)\nDistance of mine from central rescue station for exemption purposes\nfifteen miles\n25 kilometres\nAll cases\nRegulation 14(3)\nDistance from central rescue station within which rescue corps members may be permitted to reside by an inspector.\nhalf a mile\n1 kilometre\nAll cases\nRegulation 16(1)(b)\nRadius of Circle within which entrances to mines must lie to be treated together as one mine for the purposes of the Coal and Other Mines (Fire and Rescue) Regulations 1956\ntwo miles\n4 kilometres\nArrangements made after these Regulations come into operation\nRegulation 23(b)\nMinimum length of tubing required for smoke helmets, etc., provided at central rescue stations\none hundred and twenty feet\n37 metres\nSmoke helmets, etc., provided after these Regulations come into operation\nRegulation 23(c)\nCapacity of cylinders for reviving apparatus provided at central rescue stations\ntwenty cubic feet\n600 litres\nAll cases\nRegulation 24(a)\nRequired length of tubing for smoke helmets, etc., provided at certain mines\none hundred and twenty feet\n37 metres\nSmoke helmets, etc., provided after these Regulations come into operation\nRegulation 24(b)\nCapacity of cylinders for reviving apparatus provided at certain mines\ntwenty cubic feet\n600 litres\nAll cases\nRegulation 35(2)\n(a) Minimum height of passage through which rescue team permitted to go, unless it is necessary to do so in an attempt to save life\n(a) two feet\n(a) 600 millimetres\n(a) and (b) All cases\n(b) Minimum width of passage through which rescue team permitted to go, unless it is necessary to do so in an attempt to save life\n(b) three feet\n(b) 1 metre\nThe Coal and Other Mines (Locomotives) Regulations 1956\nRegulation 3(3)\nDistance from working face at and beyond which in certain circumstances an unapproved locomotive may run\nnine hundred feet\n275 metres\nAll cases\nRegulation 5(2)\n(a) Maximum power of locomotive not required to have certain indicators\n(a) twenty-five horse-power\n(a) 20 kilowatts\n(a) and (b) Locomotives brought into use after these Regulations come into operation\n(b) Maximum speed of locomotive not required to have certain indicators\n(b) eight miles per hour\n(b) 13 kilometres per hour\n(c) Certain indicators\n(c) mileage\n(c) distance\n(c) All cases\nRegulation 5(3)\nEffective range of headlight\ntwo hundred feet\n60 metres\nAll cases\nRegulation 6(1)(b)\nMeasure of weight of rails\nweight per yard\nweight per metre\nAll cases\nRegulation 6(1)(c)(i)\n(a) Maximum weight of locomotive in certain mines for the purposes of this provision\n(a) three and one-half tons\n(a) 3.5 tonnes\n(a) and (b) All cases\n(b) Maximum distance between centres of sleepers in track in certain mines\n(b) three feet\n(b) 1 metre\nRegulation 6(1)(c)(ii)\nMaximum distance between centres of sleepers in track in mines other than those referred to in Regulation 6(1)(c)(i)\ntwo feet nine inches\n840 millimetres\nAll cases\nRegulation 6(2)\nWeight of rail\nweight per yard\nweight per metre\nAll cases\nRegulation 6(2)(a)\n(a) Maximum weight of locomotive in certain circumstances\n(a) five tons\n(a) 5 tonnes\n(a) All cases\n(b) Minimum weight of rail in such circumstances\n(b) twenty-eight pounds\n(b) 15 kilograms\n(b) Rails laid after these Regulations come into operation\nRegulation 6(2)(b)\n(a) Maximum weight of locomotive in certain circumstances\n(a) three and one-half tons\n(a) 3.5 tonnes\n(a) All cases\n(b) Minimum weight of rail in such circumstances\n(b) twenty-four pounds\n(b) 10 kilograms\n(b) Rails laid after these Regulations come into operation\nRegulation 6(2)(c)\n(a) Minimum weight of rail in circumstances other than those referred to in Regulation 6(2)(a) and (b)\n(a) forty pounds\n(a) 19 kilograms\n(a) All cases\n(b) (c) and (d) measurements used for alternative calculation of minimum weight of rail\n(b) ten pounds\n(c) five pounds\n(d) ton\n(b) 5 kilograms\n(c) 2.5 kilograms\n(d) tonne\n(b) and (c) Rails laid after these Regulations come into operation\n(d) All cases\nRegulation 6(3)\nMinimum clearance between locomotives or other vehicles which may pass each other\none foot\n300 millimetres\nAll cases\nRegulation 7(2)(a)\nMinimum vertical clearance for locomotives with covered cabs\none foot\n300 millimetres\nAll cases\nRegulation 7(2)(b)\nMinimum vertical clearance for locomotives without covered cabs in certain circumstances\none foot\n300 millimetres\nAll cases\nRegulation 7(3)\n(a) Minimum horizontal clearance for locomotives in any length of road\n(a) two feet\n(a) 600 millimetres\n(a) and (b) All cases\n(b) Minimum horizontal clearance required in certain circumstances\n(b) one foot\n(b) 300 millimetres\nRegulation 13(1)\nDistance from working face beyond which determinations of fire-damp content are not required in certain circumstances\nnine hundred feet\n275 metres\nAll cases\nRegulation 21(2)(b)\nDistance from working face within which a locomotive may move a single vehicle otherwise than by hauling from in front\ntwelve hundred feet\n360 metres\nAll cases\nRegulation 21(3)\n(a) Minimum distance of visibility of white light attached to vehicle being moved by a locomotive otherwise than by hauling from in front\n(a) two hundred feet\n(a) 60 metres\n(a) and (b) All cases\n(b) Distance from working face within which the provisions of Regulation 21(3) do not apply to a single vehicle moved by a locomotive\n(b) twelve hundred feet\n(b) 360 metres\nRegulation 22\n(a) Minimum distance of visibility of red light attached to the rear of a train or of a locomotive not attached to a vehicle\n(a) two hundred feet\n(a) 60 metres\n(a) and (b) All cases\n(b) Distance from working face within which the provisions of Regulation 22 do not apply in certain mines\n(b) twelve hundred feet\n(b) 360 metres\nRegulation 26(5)\nDistance from filling station within which smoking and the use of certain lamps is prohibited\nten yards\nten metres\nAll cases\nRegulation 32(5)\nDistance from charging station within which smoking and the use of certain lamps is prohibited\nthirty feet\n10 metres\nAll cases\nThe Coal and Other Mines (Sidings) Regulations 1956\nRegulation 1\nMinimum gauge of Railway line\nfour feet eight and one-half inches\n1.432 metres\nAll cases\nRegulation 4(b)\nMaximum length of pointed wooden sprags provided in relation to every railway line\nthree feet\n900 millimetres\nSprags provided after these Regulations come into operation\nRegulation 16\nMinimum width of space required to be left between two vehicles stationary on one track of rails\nfifteen feet\n5 metres\nAll cases\nRegulation 20\nDistance from railway within which, if material stacked, certain precautions must be taken\nthree feet\n1 metre\nAll cases\nRegulation 20(b)\nMaximum length of material which may be stacked alongside a railway line without the provision of adequate spaces or recesses\nsixty feet\n20 metres\nAll cases\nThe Coal and Other Mines (Working Plans) Rules 1956\nRule 4(1)\nMaximum horizontal intervals at which variations in level to be shown on certain plans\nthree hundred feet\n100 metres\nPlans and sections of workings made after these Regulations come into operation\nRule 5(1)(a)\nMaximum intervals at which vertical variations to be shown where gradient does not exceed 1:3\nfifty feet\n15 metres\nPlans and sections of workings made after these Regulations come into operation\nRule 5(1)(b)\nVertical variations to be shown where gradient exceeds 1:3\n(a) ten feet\n(b) fifty feet\n(c) one hundred and fifty feet\n(a) 5 metres\n(b) 15 metres\n(c) 50 metres\n(a), (b) and (c)\nPlans and sections of workings made after these Regulations come into operation\nRule 5(2)\nMaximum change in level of floor workings shown in any new plan required to show only direction and rate of dip of seam\nfifty feet\n15 metres\nPlans and sections of workings made after these Regulations come into operation\nRule 8\n(a) Distance from workings within which, where there is evidence of danger to the workings, plans shall show certain particulars\n(a) one hundred and fifty feet\n(a) 45 metres\n(a) and (b)\nPlans and sections of workings made after these Regulations come into operation\n(b) Distance from boundary of mine within which, where there is evidence of danger to the workings of that mine, plans shall show certain particulars\n(b) three hundred and seventy-five feet\n(b) 115 metres\nPlans and sections of workings made after these Regulations come into operation\nThe Coal Mines (Cardox and Hydrox) Regulations 1956\nRegulation 19(1)\nDistance from shot hole within which tests for inflammable gas required\nthirty feet\n10 metres\nAll cases\nRegulation 21(1)\nMinimum length of cable to be used for firing shots\nsixty feet\n20 metres\nAll cases\nThe Stratified Ironstone Shale and Fireclay Mines (Explosives) Regulations 1956\nRegulation 10(1)\nMaximum weight of explosive permitted in a canister below ground\nfive pounds\n2.25 kilograms\nAll cases\nRegulation 19(1)\nMinimum permitted difference between the diameter of a drill and the diameter of a cartridge to be inserted in the shothole being drilled\none-eighth of an inch\n3 millimetres\nAll cases\nRegulation 21(4)\nDistance from charged shot hole within which no person shall charge a shot hole in a long-wall working\nninety feet\n25 metres\nAll cases\nRegulation 28(2)(a)\nMinimum length of cable for shot firing when a single shot is being fired otherwise than in a shaft in the course of being sunk\nsixty feet\n20 metres\nAll cases\nRegulation 28(2)(b)\nMinimum length of cable for shot firing when round of shots being fired otherwise than in a shaft in the course of being sunk\ntwo hundred and ten feet\n65 metres\nAll cases\nRegulation 28(2)(c)\nMinimum length of cable for shot firing when a single shot or a round of shots is being fired in a shaft in the course of being sunk\nsix hundred feet\n180 metres\nAll cases\nRegulation 29(1)\n(a) Minimum length of fuse for firing a single shot\n(a) three feet\n(a) 1 metre\n(a) and (b) All cases\n(b) Minimum length of fuse for firing any shot in a round\n(b) four feet\n(b) 1.2 metres\nRegulation 29(2)\nLength of working face within which not more than one person shall charge or fire shots by means of a fuse\none hundred and fifty feet\n45 metres\nAll cases\nRegulation 29(3)\n(a) Minimum length of a working face beyond which more than one person may charge a shot hole\n(a) and (b) one hundred and fifty feet\n(a) and (b) 45 metres\n(a) and (b) All cases\n(b) Distance between charged shot holes within which certain precautions must be taken before shot is fired\nRegulation 29(5)(a)\nDistance from shot hole within which no naked lights or person smoking permitted when shot is to be fired by means of a fuse\nfour feet\n1.2 metres\nAll cases\nRegulation 45\nDistance from waste below ground within which only certain explosive may be used\nfifteen feet\n5 metres\nAll cases\nRegulation 49(3)(a)(ii)\nDistance from shot hole within which tests for inflammable gas required\nthirty feet\n10 metres\nAll cases\nRegulation 54(1)\nDistance from place where shot to be fired with horse killing apparatus within which tests for inflammable gas required\nthirty feet\n10 metres\nAll cases\nRegulation 56(1) (in the definition of “safety fuse”)\nRate of burning of fuse\neach foot\neach 300 millimetres\nAll cases\nThe Coal and Other Mines (Shafts, Outlets and Roads) Regulations 1960, as amended\nRegulation 6\nMaximum vertical distance between the top of the shaft or outlet and the lowest entrance to the shaft or outlet, before certain apparatus need be provided\none hundred and fifty feet\n45 metres\nShafts sunk or outlets made after these Regulations come into operation\nRegulation 8\nMinimum diameter of drum shaft\nten inches\n254 millimetres\nAll cases\nRegulation 11(1)\nSpeed which winding apparatus capable of exceeding\ntwelve feet per second\n4 metres per second\nAll cases\nRegulation 11(1)(a)\nMaximum speed of landing for descending cage, etc.\nfive feet per second\n1.5 metres per second\nAutomatic contrivances provided after these Regulations come into operation\nRegulation 14\n(a) Maximum distance between top of and lowest entrance to a shaft or staple pit before guides need be provided\n(a) one hundred and fifty feet\n(a) 45 metres\n(a) Shafts or staple pits sunk after these Regulations come into operation\n(b) Maximum depth of shaft or staple pit in the course of being sunk before guides need be provided\n(b) three hundred feet\n(b) 90 metres\n(b) Shafts or staple pits commenced after these Regulations come into operation\nRegulation 19(3)\nIntervals at which a length of rope used for carrying persons or loads through a shaft shall be cleaned and examined\nthree hundred feet\n90 metres\nAll cases\nRegulation 27(2)\nMaximum average weight of output of mineral per working day for certain purposes\none hundred tons\n100 tonnes\nAll cases\nRegulation 40(a)\nMaximum distance between highest and lowest entrances to a staple pit before effective means of transmitting certain signals required\nfifty feet\n15 metres\nStaple pits sunk after these Regulations come into operation\nRegulation 57(a)\n(a) Minimum width of clear space between vehicles and side of transport road if persons are to pass on foot along that road\n(a) two feet\n(a) 600 millimetres\n(a) and (b) All cases\n(b) Maximum speed of vehicles in transport road if persons are to pass on foot along that road\n(b) ten miles per hour\n(b) 4.5 metres per second\nRegulation 57(b)\n(a) In certain mines, maximum speed of vehicles in transport road if persons are to pass on foot along that road\n(a) three miles per hour\n(a) 1.4 metres per second\n(a) and (b) All cases\n(b) Maximum distance of certain gradient in transport road if persons are to pass on foot along that road\n(b) three hundred feet\n(b) 90 metres\nRegulation 58\n(a) Minimum width of clear space between vehicles standing on any rails and the side of the road nearest to those rails at any place where vehicles coupled or uncoupled\n(a) two feet\n(a) 600 millimetres\n(a) and (b) All cases\n(b) Minimum width of clear space between vehicles standing on parallel lines of rails if Regulation 58 not to apply\n(b) three feet\n(b) 900 millimetres\nRegulation 59(1)(a)\nIn relation to the provision of refuge holes in roads in which certain vehicles run—\n(a) Minimum width of clear space between vehicles and the side of the road\n(a) two feet\n(a) 600 millimetres\n(a), (b) and (c) All cases\n(b) Maximum speed of vehicles\n(b) three miles per hour\n(b) 1.4 metres per second\n(c) Maximum intervals between refuge holes\n(c) sixty feet\n(c) 20 metres\nRegulation 59(1)(b)\nMaximum intervals between refuge holes in roads where certain vehicles run in all cases except that mentioned in Regulation 59(1)(a)\nthirty feet\n10 metres\nAll cases\nRegulation 59(2)(a)(i)\nIn relation to the provision of refuge holes in roads in which a locomotive runs—\n(a) Maximum radius of the curve of such roads\n(a) one hundred feet\n(a) 30 metres\n(a) Parts of roads made after these Regulations come into operation\n(b) Maximum intervals between refuge holes\n(b) sixty feet\n(b) 20 metres\n(b) All cases\nRegulation 59(2)(a)(ii)\nIn relation to the provision of refuge holes in roads in which a locomotive runs—\n(a) Minimum radius of the curve of such roads\n(a) one hundred feet\n(a) 30 metres\n(a) and (b) Parts of roads made after these Regulations come into operation\n(b) Maximum radius of the curve of such roads\n(b) two hundred feet\n(b) 60 metres\n(c) Maximum intervals between refuge holes\n(c) ninety feet\n(c) 28 metres\n(c) All cases\nRegulation 59(2)(a)(iii)\nIn relation to the provision of refuge holes in roads in which a locomotive runs—\n(a) Minimum radius of the curve of such roads\n(a) two hundred feet\n(a) 60 metres\n(a), (b) and (c) Parts of roads made after these Regulations come into operation\n(b) Maximum radius of the curve of such roads\n(b) three hundred feet\n(b) 90 metres\n(c) Maximum intervals between refuge holes\n(c) one hundred and fifty feet\n(c) 45 metres\nRegulation 59(2)(b)(i)\nIn relation to the provision of refuge holes in roads in which a locomotive runs, the maximum intervals between refuge holes where the gradient does not exceed 1:80\nthree hundred feet\n90 metres\nParts of roads made after these Regulations come into operation\nRegulation 59(2)(b)(ii)\nIn relation to the provision of refuge holes in roads in which a locomotive runs, the maximum intervals between refuge holes where the gradient exceeds 1:80 but does not exceed 1:50\none hundred and eighty feet\n55 metres\nAll cases\nRegulation 59(2)(b)(iii)\nIn relation to the provision of refuge holes in which a locomotive runs, the maximum intervals between refuge holes where the gradient exceeds 1:50 but does not exceed 1:30\none hundred and twenty feet\n37 metres\nAll cases\nRegulation 59(2)(b)(iv)\nIn relation to the provision of refuge holes in roads in which a locomotive runs, the maximum intervals between refuge holes where the gradient exceeds 1:30\nsixty feet\n20 metres\nAll cases\nRegulation 59(2)(d)\nIn relation to the provision of refuge holes in roads in which a locomotive runs, the maximum intervals between refuge holes in the case of any part of a road not mentioned in Regulation 59(2)(a), (b) or (c)\nthree hundred feet\n90 metres\nParts of roads made after Regulations come into operation\nRegulation 59(4)\nIn relation to the provision of refuge holes in roads in which vehicles are moved by animals, the maximum intervals between refuge holes\nseventy five feet\n23 metres\nAll cases\nRegulation 59(5)(a)\nWidth of refuge holes\nthree feet\n1 metre\nRefuge holes made after these Regulations come into operation\nRegulation 59(5)(b)\nMinimum depth of refuge holes\nfour feet\n1.2 metres\nAll cases\nRegulation 59(5)(c)\nMinimum height of refuge holes\nsix feet\n1.8 metres\nAll cases\nRegulation 59(6)\nMinimum width of clear space between vehicles in a road and one side of that road on which side of the road refuge holes shall be situated\ntwo feet\n600 millimetres\nAll cases\nRegulation 59(8)(b)\nMinimum distance around aperture of refuge hole required to be whitewashed\none foot\n300 millimetres\nAll cases\nRegulation 61\nSpeed above which persons prohibited from riding on a set, etc., of vehicles for certain purposes\nthree miles per hour\n1.4 metres per second\nAll cases\nRegulation 67(1)\n(a) Minimum length of rope to be cut when that rope re-capped if used in certain haulage apparatus\n(a) six feet\n(a) 2 metres\n(a) All cases\n(b), (c) and (d) Maximum lengths of rope to be cut if re-capping done within certain periods\n(b) three feet\n(c) four feet\n(d) five feet\n(b) 1 metre\n(c) 1.2 metres\n(d) 1.5 metres\n(b), (c) and (d) All cases\nRegulation 68(a)\n(a) Melting point of metal used for capping\n(a) 570° Fahrenheit\n(a) 300°C\n(a) and (b) All cases\n(b) Maximum temperature of metal used for capping when poured into socket of capel\n(b) 685° Fahrenheit\n(b) 365°C\nRegulation 68(c)(i)\n(a) Minimum temperature of socket of capel if that capel made of steel\n(a) 212° Fahrenheit\n(a) 100°C\n(a) and (b) All cases\n(b) Maximum temperature of socket of capel if that capel made of steel\n(b) 400° Fahrenheit\n(b) 205°C\nRegulation 68(c)(ii)\nTemperature of socket of capel\n212° Fahrenheit\n100°C\nAll cases\nRegulation 78(a)\nHeight above point to which kibble is being lowered at which person lowering kibble shall stop kibble until certain signal received\neighteen feet\n6 metres\nAll cases\nRegulation 78(b)\nHeight above point from which kibble is being raised at which person raising kibble shall stop kibble until certain signal received\nfour feet\n1.2 metres\nAll cases\nRegulation 80(1)\nMaximum distance of road along which vehicles may be moved before telephonic communication need be provided\nthree thousand feet\n900 metres\nShafts sunk and unwalkable outlets made after these Regulations come into operation\nThe Coal Mines (Explosives) Regulations 1961\nRegulation 2(1) definition of “safety fuse”\nLength of fuse to be used in calculations of rate of burning\nthree feet\n900 millimetres\nAll cases\nRegulation 7(3)(c)\nDistance from road within which only permitted explosives and detonators may be used\nthirty feet\n10 metres\nAll cases\nRegulation 19(1)\nMaximum weight of explosive permitted in a canister below ground\nfive pounds\n2.25 kilograms\nAll cases\nRegulation 28(1)\nMinimum permitted difference between the diameter of a drill and the diameter of a cartridge\none-eighth of an inch\n3 millimetres\nAll cases\nRegulation 30(3)\nDistance from charged shot hole within which persons shall not charge another shot hole\nninety feet\n25 metres\nAll cases\nRegulation 37(3)(a)\nMinimum length of cable to be used when firing a single shot otherwise than in a shaft in the course of being sunk\nsixty feet\n20 metres\nAll cases\nRegulation 37(3)(b)\nMinimum length of cable to be used when firing a round of shots in coal\none hundred and fifty feet\n45 metres\nAll cases\nRegulation 37(3)(c)\nMinimum length of cable to be used when firing a round of six shots or less in stone\ntwo hundred and ten feet\n65 metres\nAll cases\nRegulation 37(3)(d)\nMinimum length of cable to be used when firing a round of more than six shots in a ripping\nthree hundred feet\n90 metres\nAll cases\nRegulation 37(3)(e)\nMinimum length of cable to be used when firing a round of more than six shots in a cross measure drift or any shot in a shaft in the course of being sunk\nsix hundred feet\n180 metres\nAll cases\nRegulation 38(1)\n(a) Minimum length of fuse to be used when firing single shots;\n(a) three feet\n(a) 1 metre\n(a) and (b) All cases\n(b) Minimum length of fuse to be used when firing any shot in a round\n(b) four feet\n(b) 1.2 metres\nRegulation 38(2)\nLength of working face within which not more than one person shall fire shots by means of a fuse\none hundred and fifty feet\n45 metres\nAll cases\nRegulation 38(3)\n(a) Length of working face\n(a) and (b) one hundred and fifty feet\n(a) and (b) 45 metres\n(a) and (b) All cases\n(b) Distance from another charged shot hole within which a shot-firer shall not fire any shot by fuse unless he is satisfied that no other shot firer is about to fire that other shot\nRegulation 38(5)(a)\nDistance from shot hole, explosive or detonator within which a shot firer shall satisfy himself that there is no naked light, etc., when he is to fire a shot\nfour feet\n1.2 metres\nAll cases\nRegulation 44(1)\nDistance from face beyond which a shot firer may prime cartridges to be used in firing a round of shots in a cross measure drift\none hundred and fifty feet\n45 metres\nAll cases\nRegulation 48(a)\nMinimum thickness of a seam of coal in a cross measure drift in which a delay detonator is permitted only in certain circumstances\ntwelve inches\n300 millimetres\nAll cases\nRegulation 48(b)\nIn relation to the use of a delay detonator in a cross measure drift\n(a) Thickness of waste in which the face of any such cross measure drift situated\n(a) twelve inches\n(a) 300 millimetres\n(a) and (b) All cases\n(b) Distance from waste within which face of any such cross measure drift is known to have approached\n(b) fifteen feet\n(b) 5 metres\nRegulation 48(b)(ii)(A)\nDistance from the face of cross measure drift within which dust can be raised\nthree hundred feet\n90 metres\nAll cases\nRegulation 50(5)(b)(i)\nDistance from certain shot holes within which tests for gas required\nthirty feet\n10 metres\nAll cases\nRegulation 50(6)(a)(ii)\nIn relation to a longwall face\n(a) Distance to be used in determining where tests for gas required\n(a) and (c) sixty feet\n(a) and (c) 20 metres\n(a), (b) and (c) All cases\n(b) Distance from shot hole within which tests for gas required if the shot hole is beyond a certain distance from the face\n(b) thirty feet\n(b) 10 metres\n(c) Distance from a shot hole within which tests for gas required if shot hole is within a certain distance from the face\nRegulation 52(1)\nMaximum width of break in coal or in a ripping which is not required to be marked\none-eighth of an inch\n3 millimetres\nAll cases\nRegulation 52(2)\nWidth of break in coal or in ripping which person testing with a break detector is satisfied is not exceeded\none-eighth of an inch\n3 millimetres\nAll cases\nRegulation 54(2)(b)(iii)\n(a) Maximum and (b) minimum distances between a ripping and coal face which determine whether a delay detonator may be used\n(a) four hundred and fifty feet\n(a) 135 metres\n(a) and (b) All cases\n(b) eighteen feet\n(b) 6 metres\nRegulation 55(a)\nDistance from coal face in a safety lamp mine within which it is not permitted to charge a shot hole unless certain precautions taken\nthree hundred feet\n90 metres\nAll cases\nRegulation 55(b)\nDistance from coal face in a safety lamp mine within which it is not permitted to charge any shot hole in a roof ripping unless a sheathed explosive is used\nsixty feet\n20 metres\nAll cases\nRegulation 63(2)(a)\nIn relation to miss-fires distance from the shot hole within which the relieving shot hole within which the relieving shot hole shall not be drilled\ntwelve inches\n300 millimetres\nAll cases\nThe Coal and Other Mines (First Aid) Regulations 1962\nRegulation 4(1)(a)(ii)\nMinimum floor area of first aid room\none hundred and fifty square feet\n14 square metres\nFirst aid rooms provided after these Regulations come into operation\nRegulation 4(3)(g)\nWeight of packets of sterilized cotton wool provided in first aid rooms\nhalf ounce\n15 grams\nAll cases\nRegulation 6(4)(b)\nWeight of packets of sterilized cotton wool provided in first aid boxes\nhalf ounce\n15 grams\nAll cases\nThe Coal and Other Mines (Mechanics and Electricians) Regulations 1965\nRegulation 11(4)(b)\nDistance from working face beyond which a lamp-holder must be made dead by certain persons before removal or insertion of a lamp\nnine hundred feet\n275 metres\nAll cases\nRegulation 15(2)(b)(i)\nIn relation to the qualification of mechanical engineers or mechanics for appointment at certain mines\n(a) Power which prime mover capable of exceeding\n(a) ten horse-power\n(a) 7.5 kilowatts\n(a) and (b) All cases\n(b) Distance from the working face at or within which such a prime mover used\n(b) thirty feet\n(b) 10 metres\nRegulation 15(2)(b)(ii)\nIn relation to the qualification of electrical engineers or electricians, the distance from the working face at or within which an electric motor was used\nthirty feet\n10 metres\nAll cases\nRegulation 15(3)(d)(i)\nIn relation to the qualification of mechanical engineers or mechanics for appointment at mines of stratified ironstone\n(a) Power which prime mover capable of exceeding;\n(a) ten horse-power\n(a) 7.5 kilowatts\n(a) and (b) All cases\n(b) Distance from working face at or within which such a prime mover used\n(b) thirty feet\n(b) 10 metres\nRegulation 15(3)(d)(ii)\nIn relation to the qualification of electrical engineers or electricians for appointment at mines of stratified ironstone, distance from the working face at or within which an electric motor was used\nthirty feet\n10 metres\nAll cases\nRegulation 16(1)(b)(i)\nIn relation to the qualification of supervisory mechanics for appointment at certain mines\n(a) Power which prime mover capable of exceeding\n(a) ten horse-power\n(a) 7.5 kilowatts\n(a) and (b) All cases\n(b) Distance from working face at or within such a prime mover used\n(b) thirty feet\n(b) 10 metres\nRegulation 16(2)(b)\nIn relation to the qualification of supervisory electricians for appointment at certain mines, distance from the working face at or within which an electric motor was used\nthirty feet\n10 metres\nAll cases\nRegulation 18(1)(a)\nIn relation to exceptions from Regulations 15 and 16 applying to certain persons\n(a) power which prime mover capable of exceeding\n(a) ten horse-power\n(a) 7.5 kilowatts\n(a) and (b) All cases\n(b) Distance from working face at or within which such prime movers or, as the case may be, electric motors were used\n(b) thirty feet\n(b) 10 metres\nThe Coal and Other Mines (Training) Regulations 1967\nRegulation 2(1) definition of “work for coal production”\nDistance from face at which coal is got\nthirty feet\n10 metres\nAll cases",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "The amending Regulations are not relevant to the subject matter of these Regulations."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "The amending Regulations are not relevant to the subject matter of these Regulations."
    },
    {
      "type": "footnote",
      "label": "f3",
      "text": "S.I. 1968/1037"
    }
  ],
  "outstanding_effects": [
    {
      "type": "amended",
      "affecting": "uksi/1989/635",
      "affecting_title": "The Electricity at Work Regulations 1989"
    },
    {
      "type": "rev in pt",
      "affecting": "uksi/1993/208",
      "affecting_title": "The Coal and Other Safety-Lamp Mines (Explosives) Regulations 1993"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1978/1648/schedule",
    "retrieved_at": "2026-10-29T19:26:40.372632+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}