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Union of India - Section
Section 22 in The Static And Mobile Pressure Vessels (Unfired) Rules, 1981
22. [ Location of pressure vessel
.-(1) Each vessel shall be located with respect to the nearest building or group of buildings or line of adjoining property which may be built on and with respect to other vessels and facilities in accordance with the distances specified in the Tables below:-] [ Inserted by G.S.R. 141(E), dated 14.2.2000 (w.e.f. 18.2.2000).]mmmTABLE 1MINIMUM SAFETYDISTANCES FOR CORROSIVE, TOXIC OR PERMANENT FLAMMABLE GASES| Sl.Nos | Water capacity of vessel(in litres) | Minimum distanceFrom building or group of buildings or line ofadjoining property | Minimum distancebetween pressurevessels |
| (1) | (2) | (3) | (4) |
| (i)(ii)(iii)(iv)(v) | Not above 2000Above 2000 but not above 10,000Above 10,000 but not above 20,000Above 20,000 but not above 40,000Above 40,000 | 5 metres10 metres15 metres20 metres30 metres | 1 metre1 metre1.5 metres2 metres2 metres |
| Sl.Nos | Water capacity of vessel(in litres) | Minimum distance frombuilding or group ofbuildings or line ofadjoining property | Minimum distancebetween pressurevessels |
| (1) | (2) | (3) | (4) |
| (i)(ii)(iii)(iv)(v) | Not above 2000Above 2000 but not above 10,000Above 10,000 but not above 20,000Above 20,000 but not above 40,000Above 40,000 | 3 metres5 metres7.5 metres10 metres15 metres | 1 metre1 metre1.5 metres2 metres2 metres |
| Sl.No. | Water capacity of vessel(in litres) | Minimum distance from building or group of buildings or line ofadjoining property | Minimum distance betweenvessels | ||
| Abovegroundlevel | Underground or Aboveground vessels coveredwithearth(mound) | Abovegroundlevel | Underground or abovegroundvessels coveredwith earth(mound) | ||
| (1) | (2) | (3) | (4) | (5) | (6) |
| (i)(ii)(iii)(iv)(v)(vi)(vii)(viii)(ix)(x) | Not above 2000Above 2000 but not above 75,00Above 75,00 but not above 10,000Above 10,000 but not above 20,000Above 20,000 but not above 40,000Above 40,000 but not above 3,50,000Above 3,50,000 but not above 4,50,000Above 4,50,000 but not above 7,50,000Above 7,50,000 but not above 38,00,000Above 38,00,000 | 5 metres10 metres10 metres15 metres20 metres30 metres40 metres60 metres90 metres120 metres | 3 metres3 metres5 metres7.5 metres10 metres15 metres15 metres15 metres15 metres15 metres | 1 metre1 metre1.5 metres2 metres2 metres2 metres or ¼ thof the sumofthe sum ofdiameter ofadjacent vesselor ½ thediameter of thetwo adjacentvessels,whichever isgreater | 1 metre1 metre1 metre1 metre1 metre1 metre1 metre1 metre1 metre1 metre |
| From/To | StorageVessel | Property line/ buildings notassociatedwith storageand operation | Sheds forfillingstorage,evacuationofcylinders | Tank Truckloading/unloadinggantry | TankWagongantry | Pump/compressorShed | FireWaterPumproom |
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
| Storage vessel | Table -3 | Table - 3 | 30 | 30 | 50 | 15 | 60 |
| Property line/buildings notassociated withstorage andoperation | Table -3 | ----- | 30 | 30 | 50 | 30 | -- |
| Sheds for fillingstorage,evacuation ofcylinders | 30 | 30 | 15 | 30 | 50 | 15 | 60 |
| Tank Truckloading/unloading gantry | 30 | 30 | 30 | 30 | 50 | 30 | 60 |
| Tank Wagongantry | 50 | 50 | 50 | 50 | 50 | 30 | 60 |
| Pump/compressorShed | 15 | 30 | 15 | 30 | 30 | --- | 60 |
| Fire Water Pumproom | 60 | --- | 60 | 60 | 60 | 60 | --- |
| From/To | StorageVessel | Property line/buildings notassociatedwith storageand operation | Sheds for fillingstorage,evacuation ofcylinders | Tank truckunloading/loading gantry | FireWaterPumproom |
| (1) | (2) | (3) | (4) | (5) | (6) |
| Storage Vessel | Table-3 | Table 3 | Table - 3 | 15 | 30 |
| Property line/buildings notassociated with storage &operation | Table-3 | ----- | 15 | 15 | -- |
| Sheds for filling storage,evacuation of cylinders | Table - 3 | 15 | 15 | 15 | 30 |
| Tank truckunloading/loading gantry | 15 | 15 | 15 | 15 | 30 |
| Fire Water Pump room | 30 | -- | 30 | 30 | -- |
| To/ From | LiquefiedPetroleumLPGStorageVessels | Fill point of LPGStoragevessel and Centreof LPGTank-Truckunloading hardstand | Liquefied petroleum gas Dispenser | Propertyline | Petroleum Class A or B service Station licensed in Form XII of Petroleum Rules 1976 | ||
| Fill point of petroleumtanks | Vent pipeOf petrolemtanks | PetroleumClassA/Bdispensigpump | |||||
| Liquefied petroleum gas storage vessels | Table-3 | 9 (aboveground/moundedvessels exceeding7500litres capacity)6 (aboveground/moundedvessels notexceeding7500 litrescapacity ) 3 (undergroundvessel) 15 (aboveground vessels exceeding 20,000 litres capacity) | 9 (abovegroundvessels notexceeding20,000 litrescapacity orunderground/moundedvessels) | Table-3 | 9 | 9 | 9 |
| Fill pointof LPGStoragevessel andCentre ofLPGTank-Truckunloadinghard stand | 9(aboveground/moundedvesselsexceeding 7500litrescapacity)6(aboveground/moundedvessels not exceeding 7500 litres capacity) 3 (underground vessel) | - | 6 | 9 | 6 | 6 | 6 |
| Liquefied Petroleum Gas Dispenser | 9 (aboveground vessels not exceeding 20,000 litres capacity or underground/mounded vessels) 15 (aboveground vessels exceeding 20,000 litres capacity) | 6 | - | 6 | 6 | 6 | 6 |
| Property line | Table 3 | 9 | 6 | - | 3 | 4 | 6 |
| Water capacity ofvessel in litres | BetweenTwovesse | Between vessel andany building oradjoining property lineor pedestrianspassage | Between vessel andflammable structure,naked flame, pipeline,containing flammablefluids, electricinstallation or placesof public assembly ordrain |
| Not exceeding 10,000Exceeding 10,000 | 1 metre1 metre | 3 metres3 metres | 5 metres7.5 metres |
| Water capacity ofvessel in litres | BetweenTwovessel | Between vessel andany building oradjoining property lineor pedestrianspassage or places ofpublic assembly |
| Not exceeding 50,000 | 1 metre | 2 metres |
| Exceeding 50,000 | 2 metre | 4 metres |