BS EN 12972:2018 – TC:2020 Edition
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Tracked Changes. Tanks for transport of dangerous goods. Testing, inspection and marking of metallic tanks
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 151 |
This document specifies testing, inspection and marking for the type approval, initial inspection, periodic inspection, intermediate inspection and exceptional check of metallic tanks (shell and equipment) of fixed tanks (tank vehicles), demountable tanks, tank-wagons, portable tanks and tank containers for the transport of dangerous goods. This document is not applicable to battery-vehicles and battery-wagons comprising cylinders, tubes, pressure drums, bundles of cylinders, and multiple element gas containers (MEGCs), independent of whether the elements are receptacles or tanks.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 85 | undefined |
| 92 | 1 Scope 2 Normative references |
| 94 | 3 Terms, definitions, symbols and abbreviations 3.1 Terms and definitions |
| 95 | 3.2 Symbols and abbreviations |
| 97 | 4 Inspections and tests 4.1 General 4.2 Inspection for type approval 4.2.1 General |
| 98 | 4.2.2 Content of inspection 4.2.2.1 Inspection for initial type approval 4.2.2.2 Inspection for modifications to a type approval |
| 99 | 4.2.3 Documentation 4.3 Inspection for modification of a tank 4.4 Initial inspection 4.4.1 Content of inspection 4.4.2 Documentation, certificate and marking |
| 100 | 4.5 Periodic inspection 4.5.1 Content of inspection 4.5.2 Documentation, certificate and marking 4.6 Intermediate inspection 4.6.1 Content of inspection |
| 101 | 4.6.2 Documentation, certificate and marking 4.7 Exceptional checks 4.7.1 General 4.7.2 Exceptional check after damage or repair of the shell 4.7.3 Exceptional check after the repair or replacement of service equipment 4.7.4 Exceptional check after replacement of service equipment involving the application of heat |
| 102 | 4.7.5 Exceptional check after alteration to the tank 4.7.6 Exceptional check after exchange or repair of frame or structural equipment 4.7.7 Exceptional check before and after repair or replacement of the protective lining or coating 4.7.8 Documentation, certificate and marking |
| 103 | 5 Procedures and documentation for inspections and tests 5.1 General 5.2 Examination of documents 5.2.1 Inspection for type approval 5.2.1.1 Required documents |
| 105 | 5.2.1.2 Examination of documents 5.2.2 Initial inspection 5.2.2.1 Required documents |
| 106 | 5.2.2.2 Examination of documents 5.2.3 Periodic inspection 5.2.3.1 Required documents 5.2.3.2 Examination of documents 5.2.4 Intermediate inspection 5.2.4.1 Required documents |
| 107 | 5.2.4.2 Examination of documents 5.2.5 Exceptional check 5.2.5.1 Required documents |
| 108 | 5.2.5.2 Examination of documents 5.3 Check of the design characteristics 5.3.1 Content of inspection 5.3.2 Examination of the manufacturing conditions 5.3.3 Inspection of the materials and wall thicknesses |
| 109 | 5.3.4 Examination of the manufacturing methods 5.3.5 Inspection of main dimensions 5.3.6 NDT of the welds 5.3.6.1 General |
| 110 | 5.3.6.2 Limitations of NDT methods |
| 111 | 5.3.6.3 Visual testing |
| 113 | 5.3.6.4 Penetrant testing, magnetic particle testing and eddy current testing |
| 114 | 5.3.6.5 Radiographic inspection |
| 116 | 5.3.6.6 Ultrasonic inspection 5.3.7 Mechanical tests 5.3.7.1 General |
| 118 | 5.3.7.2 Tensile test 5.3.7.3 Bend tests 5.3.7.4 Impact tests |
| 119 | 5.3.7.5 Macro examination 5.4 Inspection of the shell interior 5.4.1 Inspection of the condition of the shell 5.4.2 Inspection of protective lining or coating 5.5 Inspection of the tank exterior 5.5.1 Inspection of the condition of the tank |
| 120 | 5.5.2 Inspection of the fastenings of the tank and its structural equipment 5.5.3 Inspection of marking 5.5.4 Inspection of earth connection 5.6 Hydraulic pressure test 5.6.1 General 5.6.2 Extent of test |
| 121 | 5.6.3 Test pressure 5.6.3.1 Test pressure of the whole tank 5.6.3.2 Test pressure of compartments 5.6.3.3 Test of heating equipment |
| 122 | 5.6.4 Test liquid 5.6.5 Gas as test fluid 5.6.6 Pressurization 5.6.7 Test duration 5.6.8 Measurement |
| 123 | 5.6.9 Evaluation of the test 5.7 Vacuum testing 5.7.1 Test procedure 5.7.2 Measurement 5.7.3 Evaluation of the test 5.8 Leakproofness test 5.8.1 General |
| 124 | 5.8.2 Extent of test 5.8.3 Leakproofness test pressure |
| 125 | 5.8.4 Leakproofness test fluid 5.8.5 Pressurization 5.8.5.1 General 5.8.5.2 Only liquid as test fluid 5.8.5.3 Liquid and gas as test fluids 5.8.5.4 Only gas as test fluid 5.8.6 Test duration |
| 126 | 5.8.7 Special leakproofness test of the mounting of certain items of equipment 5.8.7.1 Service equipment designed to work at a maximum pressure lower than the leakproofness test pressure of the tank 5.8.7.2 Relief valve preceded by a bursting disc 5.8.8 Evaluation of the test 5.9 Determination of water capacity |
| 127 | 5.10 Inspection of service equipment 5.10.1 General 5.10.2 Inspection of service equipment for type approval of the tank 5.10.3 Inspection of service equipment for other inspections 5.10.4 Check of satisfactory operation of service equipment 5.10.4.1 General 5.10.4.2 Flanged connections 5.10.4.3 Safety and breather devices |
| 128 | 5.10.4.4 Pipework 5.11 Inspection of frame or other structural equipment of portable tanks and tank containers 5.11.1 Inspection of frame or other structural equipment for type approval |
| 129 | 5.11.2 Initial, periodic, intermediate inspection and exceptional check of the frame or other structural equipment of portable tanks and tank containers 5.12 Dynamic longitudinal impact test 5.12.1 Portable tanks 5.12.2 Tank-wagons 5.13 Test report, certificate and marking 5.13.1 Test report for type approval 5.13.2 Certificate of initial, periodic and intermediate inspection and exceptional check 5.13.3 Marking |
| 131 | Annex A (informative)Applicable items of tank inspection — Survey Table |
| 133 | Annex B (normative)Technical data sheet for type approval |
| 137 | Annex C (informative)Certificate of initial, periodic and intermediate inspection and exceptional check |
| 139 | Annex D (informative)Tank plates for fixed tanks (tank vehicles) and demountable tanks for the transport of dangerous goods D.1 Tank plate |
| 140 | D.2 Content of the marking of the tank plate |
| 141 | Annex E (normative)Tank plates for tank containers for the transport of dangerous goods E.1 Tank plate for tank containers for the transport of dangerous goods |
| 142 | E.2 Tank plate for tank containers for the transport of gases |
| 145 | Annex F (normative)Manufacturing tolerances (based on EN 134454 [16]) F.1 Surface geometry of welds F.2 Middle line alignment F.3 Surface alignment F.3.1 Surface linear misalignment between parts |
| 146 | F.3.2 Joining of parts of different thickness F.4 Tolerances for tanks F.4.1 External diameter F.4.2 Out of roundness F.4.3 Deviation from the longitudinal axis F.4.4 Irregularities in profile |
| 148 | F.4.5 Middle line angular misalignment F.4.6 Dished ends |
