- In these rules unless the context otherwise requires, -(i)"Act" means the Explosives Act, 1884 (4 of 1884);(ii)"Auto LPG" means liquefied petroleum gas meant for automotive fuel conforming to specification IS:14861;(iii)"Chief Controller" means the Chief Controller of Explosives;(iv)"composite cylinder" means a cylinder made of resin impregnated continuous filament wound over a metallic or a non-metallic liner. Composite cylinders using non-metallic liners are referred to as all composite cylinders;(v)"compressed gas" means any permanent gas, liquefiable gas or gas dissolved in liquid under pressure or gas mixture which in a closed gas cylinder exercises a pressure either exceeding 2.5 kgf/cm2 abs (1.5 kgf/ cm2 gauge) at + 15° C or a pressure exceeding 3kgf/ cm2 abs (2 kgf/ cm2 gauge) at + 50° C or both including cryogenic liquids;Explanation. - For the purposes of this clause Hydrogen Fluoride falls within the scope of compressed gas although its vapour pressure at 50° C is 1.7 to 1.8 atmosphere gauge;(vi)"Conservator" in relation to a port includes any person acting under the authority of the officer or body of person appointed to be Conservator of that port under section 7 of the Indian Ports Act, 1908 (15 of 1908);(vii)"Controller" includes the Joint Chief Controller of Explosives, the Deputy Chief Controller of Explosives, the Controller of Explosives and the Deputy Controller of Explosives;(viii)"Compressed Bio Gas (CBG)" means the mixture of hydrocarbon gases and vapours consisting mainly of Methane in gaseous form, which has been produced by the decomposition of animal and plant waste, purified and compressed for use as an automotive fuel and industrial application;(ix)"Compressed Natural Gas (CNG)" means mixtures of hydrocarbon gases and vapours, consisting mainly of Methane or suitable mixture of Hydrogen and Methane in gaseous form, which has been compressed for use as automotive fuel and industrial application and includes Compressed Bio Gas;(x)"Composite CNG dispensing unit" means an integrated unit comprising of CNG storage cascade, CNG compressor and CNG dispensing unit integrally attached with each other and installed inside an enclosure box;(xi)"CNG mother station" means CNG facilities connected with natural gas pipeline and having a compressor meant primarily to fill mobile cascade of daughter station and includes stationery cascade for CNG dispensing to vehicles;(xii)"CNG online station" means CNG facilities connected with natural gas pipeline and having a compressor primarily to fill stationary cascades for dispensing CNG to vehicles;(xiii)"CNG daughter station" means CNG facilities not connected to natural gas pipeline and receives CNG through mobile cascade;(xiv)"CNG daughter booster station" means CNG facilities not connected to natural gas pipeline and such CNG dispensing stations where mobile or stationary cascades are connected to the booster compressor for increase in discharge pressure for refueling of the vehicles;(xv)"Critical temperature" means the temperature above which gas cannot be liquefied by the application of pressure alone;(xvi)"cryogenic container" means a double walled insulated closed metal container having volume exceeding 500 ml but not exceeding 1000 liters intended for filling, storage and transport of cryogenic liquid fabricated as per codes approved by the Chief Controller;(xvii)"cryogenic liquid" means liquid form of permanent gas having normal boiling point below minus 150° C;(xviii)"cylinder testing station" means facilities and infrastructure for periodical testing and examination of cylinder;(xix)"dissolved acetylene cylinder" means a cylinder having a valve and with or without safety devices, containing porous mass, a solvent for the storage of dissolved acetylene and at least sufficient quantity of acetylene to saturate acetone as solvent at atmospheric pressure and at a temperature of + 15° C;Explanation. - For the purpose of this clause, acetone or any other solvent used shall not be capable of chemical reaction with the acetylene gas or with the porous mass or with the metal of the cylinder or valve;(xx)"dissolved gas" means a gas which is dissolved under pressure in a fluid solvent appropriate to the particular gas;(xxi)"district authority" means-(a)a Commissioner of Police or Deputy Commissioner of Police in any town having a Commissioner of Police; and(b)in any other place, the District Magistrate;(xxii)"District Magistrate" includes an Additional District Magistrate, and in the States of Punjab and Haryana and in the Karaikal, Mahe and Yanam areas of the Union territory of Pondicherry, also includes a Sub- Divisional Magistrate;(xxiii)"fee" means the fee specified in Schedule V;(xxiv)"filling pressure" means the maximum permissible gauge pressure, converted to + 15° C, at which a gas cylinder for permanent gas or gas dissolved under pressure can be filled;(xxv)"filling ratio" means the ratio of the weight of a liquefiable gas introduced in the cylinder to the weight of the water that the cylinders will hold at 15° C;(xxvi)"flammable gas" means any gas which, if either a mixture of 13 percent or less (by volume) with air forms a flammable mixture or the flammability range with air is greater than 12 percent regardless of the lower limit and these limits shall be determined at atmospheric temperature and pressure;Explanation. - For the purpose of this clause: "flammability range" means the difference between the minimum and maximum percentages by volume of the gas in mixture with air that forms a flammable mixture;(xxvii)"Form" means a Form set forth in Schedule V;(xxiii)"gas cylinder" or "cylinder" means any closed metal container having a volume exceeding 500 ml but not exceeding 1000 liters intended for the storage and transport of compressed gas, including any liquefied petroleum gas (LPG) container or compressed natural gas (CNG) cylinder fitted to a motor vehicle as its fuel tank but not including any other such container fitted to a special transport or undercarriage and includes a composite cylinder and cryogenic container, however, the water capacity of cylinder used for storage of CNG, nitrogen, compressed air, etc., may exceed 1000 liters up to 3000 liters provided the diameter of such cylinder does not exceed 60 cm;(xxix)"gas cylinders cascade" means a battery of cylinders connected with each other, a tube trailer, multiple element gas containers and bundle of cylinders, conforming to the specifications BS EN-13769, BS EN-13807, ISO-10961 or any other specification accepted by the Chief Controller;(xxx)"high pressure liquefiable gas" means a liquefiable gas having a critical temperature between - 10° C and + 70° C;(xxxi)"hot repair or reconditioning of the LPG cylinders or other welded cylinders" means repair or replacement of valve protection ring, foot ring, other protective fitments and removal of permissible dents of LPG cylinders or other welded cylinder followed by heat treatment as per the standards or codes accepted by the Chief Controller;(xxxii)"hydrostatic stretch test" means subjecting the cylinder to a hydrostatic pressure equal to the test pressure of the cylinder and recording the permanent stretch undergone by the cylinder;(xxxiii)"hydrostatic test" means the test to which a cylinder is subjected to a hydrostatic pressure equal to the test pressure of the cylinder;(xxxiv)"import" means bringing into India by land, sea or air;(xxxv)"inert gas" means a gas which is resistant to chemical action under normally encountered conditions;(xxxvi)"inspecting authority" means a person having qualifications and experience in the field of design, manufacture and testing of gas cylinders, valves and LPG regulators and recognized by the Chief Controller as authority for inspection and certification of gas cylinder, valves and LPG regulators.;(xxxvii)"installation" means premises wherein a place has been specially prepared for the manufacture or filling or storage of compressed gas cylinders;(xxxviii)"liquefiable gas" means a gas that may be liquefied by pressure at -10° C but will be completely vaporised when in equilibrium with normal atmospheric pressure (760 mm. Hg) at 17.5°C which value shall be increased to 30°C for toxic gases;(xxxix)"liquefied petroleum gas" means any material, which comprises predominantly of any of the following hydrocarbons or mixture of them with vapour pressure not exceeding 16.87 kg/cm2 (gauge) at 65° C; Propane (C3H8), propylene (C3H6), butane ((C4H10), (n-butane and iso-butane) and butylene (C4H8);(xl)"low pressure liquefiable gas" means a liquefiable gas having critical temperature higher than +70°C;(xli)"manufacture of gas" means filling of a cylinder with any compressed gas and also includes transfer of compressed gas from one cylinder to any other cylinder;(xlii)"oxidising gas" means a gas which gives up oxygen readily or removes hydrogen from a compound or attracts negative electrons;(xliii)"permanent gas" means a gas whose critical temperature is below -10°C that is to say a gas which cannot be liquefied under any pressure at a temperature above -10°C;(xliv)"pneumatic test" means the test to which a gas cylinder is subjected to a pneumatic pressure equal to the pneumatic test pressure or working pressure, as specified in the manufacturing code;(xlv)"poisonous or toxic gas" means a gas which has a maximum allowable concentration in air for human respiration not exceeding 100 mg/m3 at 15°C and 1 kgf/cm2 absolute pressure;(xlvi)"porous mass" means single or multi-component substance introduced into, or formed in the cylinder shell, in order to fill it and due to its porosity allow the absorption of the solvent and the acetylene gas conforming to EN 13807 : 2003 - B.2.7;(xlvii)"Schedule" means the Schedule annexed to these rules;(xlviii)"tare weight" in relation to(a)acetylene cylinder, means the weight of the cylinder together with any fittings, permanently attached and includes the weight of valve any safety device, porous mass, requisite quantity of solvent for dissolving acetylene, and the weight of acetylene gas saturating the solvent at atmospheric pressure and temperature of 15°C;(b)liquefiable gas cylinder, means the weight of the cylinder together with any fittings permanently attached thereto and includes the weight of valve;(c)permanent gas cylinder, means the weight of the cylinder together with any fittings permanently attached thereto and excludes the weight of valve;(d)cryogenic container, means the weight of the container together with any fittings permanently attached thereto along with the weight of insulating material including the weight of the valves;(xlix)"test pressure" means the internal pressure required for the hydrostatic test or hydrostatic stretch test or pneumatic test of the cylinder as specified in the cylinder manufacturing codes;(l)"transport" means the moving of a cylinder filled with any compressed gas from one place to another;(li)"water capacity" means the volume of water in litres, a cylinder will hold at 150C;(lii)"working pressure for low pressure liquefiable gas" means the saturated vapour pressure at 650C ;Explanation. - For the purposes of this clause, it is clarified that the values of saturated vapour pressure of different gases are specified in IS: 3710;(liii)"working pressure for permanent gas" means the internal pressure of the gas in the cylinder at a temperature of 15°C;(liv)"yield strength" means the stress corresponding to a permanent strain of 0.2 percent of the original gauge length in a tensile test.
