Tanks for transport of dangerous goods - Testing, inspection and marking of metallic tanks

This European Standard 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, rail tank wagons, portable tanks and tank containers for the transport of dangerous goods.This European Standard is not applicable to receptacles including gas cylinders, 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 and intermediate bulk containers (IBCs).

Tanks für die Beförderung gefährlicher Güter - Prüfung, Inspektion und Kennzeichnung von Metalltanks

Diese Europäische Norm legt die Prüfung, Inspektion und Kennzeichnung für die Baumusterprüfung, erst-malige Prüfung, wiederkehrende Prüfung, Zwischenprüfung und außerordentliche Prüfung von Metalltanks (Tankkörper und Ausrüstung) von fest verbundenen Tanks (Tankfahrzeugen), Aufsetztanks, Eisenbahn-kesselwagen, ortsbeweglichen Tanks und Tankcontainern für die Beförderung gefährlicher Güter fest.
Diese Europäische Norm gilt nicht für Batterie-Fahrzeuge und Batterie-Wagen, bestehend aus Flaschen, Großflaschen, Druckfässern, Flaschenbündeln, und Gascontainern mit mehreren Elementen (MEGCs), unab¬hängig davon, ob die Elemente Gefäße oder Tanks sind.
Es ist von grundlegender Bedeutung, dass die Anforderungen der geltenden Vorschriften für die Beförderung gefährlicher Güter immer Vorrang vor den Anforderungen der vorliegenden Norm haben.

Citernes destinées au transport de matières dangereuses - Epreuve, contrôle et marquage des citernes métalliques

La présente Norme européenne spécifie les épreuves, les contrôles et le marquage pour l’agrément de type, le contrôle initial, le contrôle périodique, le contrôle intermédiaire et le contrôle exceptionnel des citernes métalliques (réservoirs et équipements) des citernes fixes (véhicules-citernes), des citernes démontables, des wagons-citernes, des citernes mobiles et des conteneurs-citernes destinés au transport de matières dangereuses.
La présente Norme européenne n’est pas applicable aux véhicules-batteries et wagons-batteries composés de bouteilles, tubes, fûts à pression, cadres de bouteilles et aux conteneurs à gaz à éléments multiples (CGEM), qu’il s’agisse de récipients ou de citernes.
Il est essentiel que les prescriptions des réglementations applicables relatives au transport des marchandises dangereuses prévalent dans tous les cas sur celles de la présente norme.

Cisterne za prevoz nevarnega blaga - Preskušanje, pregled in označevanje kovinskih cistern

Ta evropski standard določa preskušanje, pregled in označevanje za homologacijo, prvi pregled, redne, vmesne in izredne preglede kovinskih (lupine in opreme), pritrjenih cistern (vozila s cisternami), snemljivih cistern, cistern železniških vagonov, premičnih cistern in cistern za prevoz nevarnega blaga. Ta evropski standard se ne uporablja za posode, kot so plinske jeklenke, akumulatorska vozila in akumulatorski vagoni, ki vsebujejo valje, cevi, tlačne valje, sklope jeklenk in plinske vsebnike iz več elementov (MEGC), ne glede na to, ali so elementi posode oz. rezervoarji in skladiščni rezervoarji srednje velikosti (IBC).

General Information

Status
Withdrawn
Public Enquiry End Date
31-May-2012
Publication Date
07-Apr-2015
Withdrawal Date
16-Oct-2018
Technical Committee
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
05-Oct-2018
Due Date
28-Oct-2018
Completion Date
17-Oct-2018

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.þHYDQMHTanks für die Beförderung gefährlicher Güter - Prüfung, Inspektion und
Kennzeichnung von MetalltanksCiternes destinées au transport de matières dangereuses - Epreuve, contrôle et marquage des citernes métalliquesTanks for transport of dangerous goods - Testing, inspection and marking of metallic tanks23.020.20Posode in vsebniki, montirani na vozilaVessels and containers mounted on vehicles13.300Varstvo pred nevarnimi izdelkiProtection against dangerous goodsICS:Ta slovenski standard je istoveten z:EN 12972:2015SIST EN 12972:2015en,fr,de01-maj-2015SIST EN 12972:2015SLOVENSKI
STANDARDSIST EN 12972:20081DGRPHãþD



SIST EN 12972:2015



EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 12972
February 2015 ICS 13.300; 23.020.20 Supersedes EN 12972:2007English Version
Tanks for transport of dangerous goods - Testing, inspection and marking of metallic tanks
Citernes destinées au transport des matières dangereuses -Épreuve, contrôle et marquage des citernes métalliques
Tanks für die Beförderung gefährlicher Güter - Prüfung, Inspektion und Kennzeichnung von Metalltanks This European Standard was approved by CEN on 5 December 2014.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12972:2015 ESIST EN 12972:2015



EN 12972:2015 (E) 2 Contents Page Foreword .3 Introduction .4 1 Scope .5 2 Normative references .5 3 Terms and definitions .6 4 Inspections and tests .7 4.1 General .7 4.2 Inspection for type approval .7 4.3 Initial inspection.9 4.4 Periodic inspection .9 4.5 Intermediate inspection . 10 4.6 Exceptional checks . 10 5 Procedures and documentation for inspections and tests . 12 5.1 General . 12 5.2 Examination of documents . 12 5.3 Check of the design characteristics . 16 5.4 Inspection of the tank interior . 18 5.5 Inspection of the tank exterior . 18 5.6 Hydraulic pressure test . 19 5.7 Vacuum testing . 23 5.8 Leakproofness test . 24 5.9 Determination of capacity . 26 5.10 Inspection of service equipment . 27 5.11 Inspection of frame or other structural equipment of portable tanks and tank containers. 27 5.12 Dynamic longitudinal impact test . 28 5.13 Test report, certification and marking . 28 Annex A (informative)
Applicable items of tank inspection – Survey Table . 29 Annex B (informative)
Technical data for type approval . 30 Annex C (informative)
Hydraulic pressure testing with gases – hazards and precautions . 34 Annex D (informative)
Certificate of initial, periodic and intermediate inspection and exceptional check . 36 Annex E (normative)
Tank plates for fixed tanks (tank vehicles) and demountable tanks for the transport of dangerous goods . 38 E.1 Tank plate . 38 E.2 Content of the marking of the tank plate . 39 Annex F (normative)
Tank plates for tank containers or portable tanks for the transport of dangerous goods . 40 F.1 Tank plate for tank containers or portable tanks for the transport of dangerous liquids and solids . 40 F.2 Tank plate for tank containers or portable tanks for the transport of gases . 41 Bibliography . 43
SIST EN 12972:2015



EN 12972:2015 (E) 3 Foreword This document (EN 12972:2015) has been prepared by Technical Committee CEN/TC 296 “Tanks for transport of dangerous goods”, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2015 and conflicting national standards shall be withdrawn at the latest by August 2015. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 12972:2007. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. Compared with EN 12972:2007 the following fundamental changes have been made: a) alignment of the standard with RID 2013 [1] and ADR 2013 [2]; and b) updating of the normative references. The document has been submitted for reference into the RID and/or in the technical annexes of the ADR. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. SIST EN 12972:2015



EN 12972:2015 (E) 4 Introduction The types and frequencies of the inspections and tests as well as the responsibilities are given by the relevant regulations concerning the transport of dangerous goods. SIST EN 12972:2015



EN 12972:2015 (E) 5 1 Scope This European Standard 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, rail tank wagons, portable tanks and tank containers for the transport of dangerous goods. This European Standard 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. It is essential that the requirements of the applicable regulations for the transport of dangerous goods prevail in all cases over those of this standard. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 590, Automotive fuels - Diesel - Requirements and test methods EN 837-1, Pressure gauges - Part 1: Bourdon tube pressure gauges - Dimensions, metrology, requirements and testing EN 837–2, Pressure gauges - Part 2: Selection and installation recommendations for pressure gauges EN 837-3, Pressure gauges - Part 3: Diaphragm and capsule pressure gauges - Dimensions, metrology, requirements and testing EN 12079-1, Offshore containers and associated lifting sets - Part 1: Offshore container - Design, manufacture and marking EN 12266–1:2012, Industrial valves - Testing of metallic valves - Part 1: Pressure tests, test procedures and acceptance criteria - Mandatory requirements EN ISO 3834-2, Quality requirements for fusion welding of metallic materials - Part 2: Comprehensive quality requirements (ISO 3834-2) EN ISO 9606-1, Qualification testing of welders - Fusion welding - Part 1: Steels (ISO 9606-1) EN ISO 9606-2, Qualification test of welders - Fusion welding - Part 2: Aluminium and aluminium alloys (ISO 9606-2) EN ISO 9606-3, Approval testing of welders - Fusion welding - Part 3: Copper and copper alloys (ISO 9606-3) EN ISO 9606-4, Approval testing of welders - Fusion welding - Part 4: Nickel and nickel alloys (ISO 9606-4) EN ISO 14731, Welding coordination - Tasks and responsibilities (ISO 14731) EN ISO 14732, Welding personnel - Qualification testing of welding operators and weld setters for mechanized and automatic welding of metallic materials (ISO 14732) EN ISO 15607, Specification and qualification of welding procedures for metallic materials - General rules (ISO 15607) SIST EN 12972:2015



EN 12972:2015 (E) 6 EN ISO 15609-1, Specification and qualification of welding procedures for metallic materials - Welding procedure specification - Part 1: Arc welding (ISO 15609-1) EN ISO 15614-1, Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys (ISO 15614-1) EN ISO 15614-2, Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 2: Arc welding of aluminium and its alloys (ISO 15614-2) IMO MSC/Circ. 860, Guidelines for the approval of offshore containers handled in open seas UN Manual of Tests and Criteria, Part IV 3 Terms and definitions The definitions of terms used in this document are taken as those given by the relevant regulations concerning the transport of dangerous goods unless otherwise stated. For the purposes of this document, the following additional terms and definitions apply. 3.1 capacity of shell or shell compartment for tanks the total inner volume of the shell or shell compartment expressed in litres or cubic metres. When it is not possible to completely fill the shell or the shell compartment because of its shape or construction, this reduced capacity shall be used for the determination of the degree of filling and for the marking of the tank 3.2 expert individual or body approved by the competent authority to perform designated inspections and tests Note 1 to entry: According to RID/ADR testing, inspection and certification duties are allocated to either the competent authority or to inspection bodies or experts approved by the competent authority. RID and ADR include detailed requirements on the qualification, obligations, accreditation and approval of these inspection bodies. 3.3 inspection body body approved by the competent authority to perform designated inspection and tests 3.4 protective lining or coating lining or coating protecting the metallic tank material against corrosion or reaction with the substances to be transported Note 1 to entry: This does not apply to lining or coating used only to protect the substance to be carried. 3.5 repair correction of a defect which may have impaired the safety of the tank or where equipment that communes directly with the shells content or safety device is replaced; it does not include normal service and maintenance operations of the shell or service equipment or replacement of gaskets or service equipment to the same specification. 3.6 technical code code or standard(s) according to which the tank has been designed and constructed SIST EN 12972:2015



EN 12972:2015 (E) 7 Note 1 to entry: RID/ADR use this term in context with tanks which are NOT designed, constructed and tested according to referenced standards. For the purpose of this standard, EN 14025 [3] and EN 13094 [4] are considered to be technical codes. 4 Inspections and tests 4.1 General In accordance with the relevant regulations concerning the transport of dangerous goods, shells and their equipment shall undergo inspections for issuing the type approval certificate and initial, intermediate and periodic inspections and exceptional checks, if needed, as indicated in the survey table in Annex A and as given in this standard. 4.2 Inspection for type approval 4.2.1 General The inspection for type approval shall be carried out on a prototype tank of either a single tank or a range of tanks. A type approval which includes a limited variation of the design will allow the following variations to the design without requiring a new approval, if there are no other conflicting technical or legal requirements: — a decrease in the initial design temperature range; — a decrease in the maximum gross mass; — a reduction in volume only resulting from variations in diameter (not applicable to non-cylindrical tanks) and length; the approval file includes a calculation for each proposed diameter, length and number of compartments of the tank under the most unfavourable conditions, i.e.: — greatest density of goods; — greatest tank length and diameter; — greatest tank front compartment; — greatest tank rear compartment; — a variation in the grade of the material used; in the case of austenitic and austenitic-ferritic steels and aluminium alloys different grades may be allowed with the following reserves: — use of the same qualified welding procedure; — calculation is carried out in the most unfavourable case, in particular the mechanical characteristics selected are for each element the lowest values of the grades used; — the instruction manual specifies the alternatives for compatibility with the substances being carried; — movement or modification of nozzles and manholes provided that the same level of protection is afforded and the tank strength calculation takes into account the most unfavourable case; — a decrease in the number of nozzles; — an increase of the number of baffles and surge plates; — an increase of the wall thickness provided the same welding procedures are used; — a decrease of the maximum working pressure; SIST EN 12972:2015



EN 12972:2015 (E) 8 — an increase in the thickness of the insulation used for additional protection; — an increase in the effectiveness of the thermal insulation of the tank; — the use of alternative service equipment if there is no change in the technical specification of the equipment and it is placed in the same location. The inspection for type approval in the case of a modification of a tank shall be carried out on the parts of the tank that have been modified. 4.2.2 Content of inspection 4.2.2.1 Inspection for initial type approval The inspection for initial type approval shall be carried out in accordance with the following subclauses: — examination of documents (see 5.2.1); — check of the design characteristics (see 5.3); — inspection of the tank interior (see 5.4); — inspection of the tank exterior (see 5.5); — hydraulic pressure test (see 5.6); — vacuum test (see 5.7, only if required and if no calculation or FE-analysis has been provided); — leakproofness test (see 5.8); — determination of water capacity (see 5.9); — inspection of service equipment (see 5.10); — inspection of frame or other structural equipment of portable tanks and tank containers (see 5.11); — dynamic longitudinal impact test of portable tanks (see 5.12). The inspection for type approval to allow the amendment of the type approval shall be carried out as a re-examination of the respective applicable clauses of the original inspection for type approval. 4.2.2.2 Inspection for modifications If there is a modification to the tank the applicable units of the inspection for initial type approval shall be reappraised. 4.2.3 Documentation The results of the inspection for type approval shall be recorded by the expert in a test report. NOTE A preliminary report can be issued after examination of the documents. In addition to the test report it is recommended that a data sheet is submitted to assist the issuing of type approval (see Annex B). SIST EN 12972:2015



EN 12972:2015 (E) 9 4.3 Initial inspection 4.3.1 Content of inspection The initial inspection shall be carried out in accordance with the following subclauses: — examination of documents (see 5.2.2); — check of the design characteristics (see 5.3); — inspection of the tank interior (see 5.4); — inspection of the tank exterior (see 5.5); — hydraulic pressure test (see 5.6); — leakproofness test (see 5.8); — determination of water capacity (see 5.9; only where required by regulation for individual tanks); — inspection of service equipment (see 5.10); — inspection of frame or other structural equipment of portable tanks and tank containers (see 5.11). 4.3.2 Documentation, certification and marking The results of the initial inspection shall be recorded by the expert on a certificate. An individual tank that has been tested and passed for type approval shall be issued with an initial inspection certificate. Certification and marking shall be in accordance with 5.13. 4.4 Periodic inspection 4.4.1 Content of inspection The periodic inspection shall be carried out in accordance with the following subclauses: — examination of documents (see 5.2.3); — inspection of the tank interior (see 5.4); — inspection of the tank exterior (see 5.5); — hydraulic pressure test (see 5.6); — leakproofness test (see 5.8); — inspection of service equipment (see 5.10); — inspection of frame or other structural equipment of portable tanks and tank containers (see 5.11). For vacuum insulated tanks the inspection of the tank interior and the hydraulic pressure test are not required provided that a satisfactory vacuum in accordance with the manufacturer's specification is confirmed by measurement and simultaneously a leakproofness test is carried out. If, openings have been made in shells intended for the carriage of refrigerated liquefied gases, the method by which they are hermetically closed before the shells are returned to service shall be inspected according to 4.6.4. SIST EN 12972:2015



EN 12972:2015 (E) 10 In the case of tanks intended for the carriage of powdery or granular substances the hydraulic pressure test may be omitted and replaced by the leakproofness test (see 5.8). 4.4.2 Documentation, certification and marking The results of the periodic inspection shall be recorded by the expert on a certificate. Any defect found which can impair the safety of the tank or the equipment and any related repairs carried out shall be recorded on the certificate. Certification and marking shall be in accordance with 5.13. 4.5 Intermediate inspection 4.5.1 Content of inspection The intermediate inspection shall be carried out in accordance with the following subclauses: — examination of documents (see 5.2.4); — inspection of the tank interior (see 5.4; only where required by regulation); — inspection of the tank exterior (see 5.5); — leakproofness test (see 5.8); — inspection of service equipment (see 5.10); — inspection of frame or other structural equipment of portable tanks and tank containers (see 5.11; only where required by regulation). 4.5.2 Documentation, certification and marking The results of the intermediate inspection shall be recorded by the expert on a certificate. Any defect found which can impair the safety of the tank or the equipment and any related repairs carried out shall be recorded on the certificate. Certification and marking shall be in accordance with 5.13. 4.6 Exceptional checks 4.6.1 Exceptional check after damage or repair of the shell The exceptional check after damage of the shell which can have impaired the safety of the tank, and/or after repair, shall be carried out in accordance with the following subclauses to the extent as is applicable: — examination of documents (see 5.2.5); — check of the design characteristics (see 5.3); — inspection of the tank interior (see 5.4); — inspection of the tank exterior (see 5.5); — hydraulic pressure test (see 5.6); — leakproofness test (see 5.8); — inspection of service equipment (see 5.10). SIST EN 12972:2015



EN 12972:2015 (E) 11 4.6.2 Exceptional check after the repair or replacement of service equipment The exceptional check after the repair or replacement of the service equipment shall be carried out in accordance with the following subclauses to the extent as is applicable: — examination of documents (see 5.2.5); — check of the design characteristics (see 5.3); — leakproofness test (see 5.8); — inspection of service equipment (see 5.10). 4.6.3 Exceptional check after replacement of service equipment involving the application of heat The exceptional check after exchange of the service equipment involving the application of heat (for example welding or cutting) which can have impaired the safety of the tank or the service equipment shall be carried out in accordance with the following subclauses to the extent as is applicable: — examination of documents (see 5.2.5); — check of the design characteristics (see 5.3); — inspection of the tank interior (see 5.4); — inspection of the tank exterior (see 5.5); — hydraulic pressure test (see 5.6); — leakproofness test (see 5.8); — inspection of service equipment (see 5.10). 4.6.4 Exceptional check after alteration to the tank If there is an alteration to the tank within the scope of the type approval the applicable units of the inspection for type approval shall be reappraised . 4.6.5 Exceptional check after exchange or repair of frame or structural equipment The exceptional check after exchange or repair of frame or structural equipment shall be carried out in accordance with the following subclauses to the extent as is applicable: — examination of documents (see 5.2.5); — check of the design characteristics (see 5.3); — inspection of frame or other structural equipment of portable tanks and tank containers (see 5.11). 4.6.6 Exceptional check before and after repair or replacement of the protective lining or coating The exceptional check before and after repair or replacement of the protective lining or coating whose defect can impair the safety of the tank shall be carried out in accordance with the following subclauses to the extent as is applicable: — examination of documents (see 5.2.5); SIST EN 12972:2015



EN 12972:2015 (E) 12 — check of the design characteristics (see 5.3); — inspection of the tank interior (see 5.4); — hydraulic pressure tests after application of heat (for example burning of the existing lining) which can have impaired the safety of the tank (see 5.6); — leakproofness test (see 5.8). 4.6.7 Documentation, certification and marking The results of the exceptional check shall be recorded by the expert on a certificate. Any defects found which can impair the safety of the tank or the equipment and any related repairs carried out shall be recorded on the certificate. Certification and marking shall be in accordance with 5.13. A preliminary report may be issued after examination of documents. 5 Procedures and documentation for inspections and tests 5.1 General A tank which fails one or more units of inspection shall, once the failure has been investigated and corrected, be retested in accordance with the requirements of those units. If, in the opinion of the expert, the repair may have affected the validity of any previous tests these tests shall be repeated. Depending on the result of the inspections additional inspections can be necessary. Where the interior of the tanks is to be inspected the tanks shall be empty, clean and safe to enter (e.g. no electrical services, no heating, safe atmosphere) at the time of inspection. Permits of work according to the legislation dealing with safety and health at work shall be complied with. This is also a requirement when necessary for the safety of the inspecting personnel and any other persons in the vicinity even when other inspections are carried out. 5.2 Examination of documents 5.2.1 Inspection for type approval 5.2.1.1 Required documents Documents giving the following information shall be provided for the inspection for type approval by the manufacturer or his representative: — name and address of the applicant; — description of the tank prototype including planned variations to the design and its special characteristics; — names and addresses of the manufacturer and the assembler of the tank; in the case of fixed tanks (tank vehicles) or rail tank wagons the design of chassis or wagon; in the case of tank containers or portable tanks the manufacturer and design of frame if applicable; — certificate of welder, welding procedure qualification and welding quality system in accordance with the technical code; when the technical code does not contain requirements for qualification of the welder and welding procedure the requirements of EN ISO 9606-1, EN ISO 14732, EN ISO 9606-2, EN ISO 9606-3, EN ISO 9606-4, EN ISO 15607, EN ISO 15609-1, EN ISO 15614-1, EN ISO 15614-2 shall be met as applicable; — description of the assigned mode of operation (e.g. pressure discharging); SIST EN 12972:2015



EN 12972:2015 (E) 13 — indication of the portable tank instruction T (tank instruction) and TP (tank provision) or tank code and the applicable special provisions TA (type approval), TC (construction),and TE (equipment); — if required, listing of all substances or groups of substances to be carried by the tank (especially for substances of class 2 and special substances listed in the regulation for which additional requirements can apply); — schematic drawing of the tank with listing of main dimensions; — schematic drawings of the piping systems; — data sheet with the operational data of the tank necessary for calculation; — calculation and, if required, verification by testing of the tank and its fastenings; — drawings necessary for verifying the ma
...

SLOVENSKI STANDARD
oSIST prEN 12972:2012
01-maj-2012
3RVRGH]DSUHYR]QHYDUQHJDEODJD3UHVNXãDQMHQDG]RULQR]QDþHYDQMH
NRYLQVNLKSRVRG
Tanks for transport of dangerous goods - Testing, inspection and marking of metallic
tanks
Tanks für die Beförderung gefährlicher Güter - Prüfung, Inspektion und Kennzeichnung
von Metalltanks
Citernes destinées au transport de matières dangereuses - Epreuve, contrôle et
marquage des citernes métalliques
Ta slovenski standard je istoveten z: prEN 12972 rev
ICS:
13.300 Varstvo pred nevarnimi Protection against dangerous
izdelki goods
23.020.20 Posode in vsebniki, montirani Vessels and containers
na vozila mounted on vehicles
oSIST prEN 12972:2012 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
oSIST prEN 12972:2012

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oSIST prEN 12972:2012


EUROPEAN STANDARD
DRAFT
prEN 12972 rev
NORME EUROPÉENNE

EUROPÄISCHE NORM

March 2012
ICS 13.300; 23.020.20 Will supersede EN 12972:2007
English Version
Tanks for transport of dangerous goods - Testing, inspection
and marking of metallic tanks
Citernes destinées au transport de matières dangereuses - Tanks für die Beförderung gefährlicher Güter - Prüfung,
Epreuve, contrôle et marquage des citernes métalliques Inspektion und Kennzeichnung von Metalltanks
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 296.

If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations which
stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other language
made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.


EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2012 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 12972 rev:2012: E
worldwide for CEN national Members.

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oSIST prEN 12972:2012
prEN 12972:2012 (E)
Contents Page
Foreword .3
Introduction .4
1 Scope .5
2 Normative references .5
3 Terms and definitions .6
4 Tank inspections.6
5 Units used for tank inspection . 11
Annex A (informative) Technical data for type approval . 25
Annex B (informative) Certificate of initial, periodic and intermediate inspection and exceptional
check . 28
Annex C (informative) Pressure testing with gases – hazards and precautions . 30
Annex D (normative) Tank plates for fixed tanks (tank vehicles) and demountable tanks for the
transport of dangerous goods . 32
D.1 Tank plate . 32
D.2 Content of the marking of the tank plate . 33
Annex E (normative) Tank plates for tank containers or portable tanks for the transport of
dangerous goods . 34
E.1 Tank plate for tank containers or portable tanks for the transport of dangerous liquids
and solids . 34
E.2 Tank plate for tank containers or portable tanks for the transport of gases . 35
Annex F (informative) Applicable items of tank inspection – Survey Table . 37
Bibliography . 39

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Foreword
This document (prEN 12972:2012) has been prepared by Technical Committee CEN/TC 296 “Tanks for
transport of dangerous goods”, the secretariat of which is held by AFNOR.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 12972:2007.
According to edition EN 12972:2007 the following fundamental changes are given:
a) alignment of the standard with ADR 2011;
b) updating of the normative references.
The document has been submitted for reference into the RID [8] and/or in the technical annexes of the ADR [9].
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Introduction
The frequencies of the different types of tank inspection as well as the responsibilities for the inspections are
given by the relevant regulations concerning the transport of dangerous goods.
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1 Scope
This European Standard 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, rail tank wagons, portable tanks and tank containers for the
transport of dangerous goods.
This European Standard 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.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
EN 287–1, Qualification of welders — Fusion welding — Part 1: Steels
EN 837-1, Pressure gauges — Part 1: Bourdon tube pressure gauges — Dimensions, metrology, requirements
and testing
EN 837–2, Pressure gauges — Part 2: Selection and installation recommendations for pressure gauges
EN 837-3, Pressure gauges — Part 3: Diaphragm and capsule pressure gauges — Dimensions, metrology,
requirements and testing
EN 12266–1:2003, Industrial valves — Testing of valves — Part 1: Pressure tests, test procedures and
acceptance criteria — Mandatory requirements
EN 12561–1, Railway applications — Tank wagons — Part 1: Marking of tank wagons for the carriage of
dangerous goods
EN ISO 9606-2, Qualification test of welders — Fusion welding — Part 2: Aluminium and aluminium alloys
(ISO 9606-2:2004)
EN ISO 9606-3, Qualification test of welders — Fusion welding — Part 3: Copper and copper alloys
(ISO 9606-3:1999)
EN ISO 9606-4, Approval testing of welders — Fusion welding — Part 4: Nickel and nickel alloys (ISO 9606-
4:1999)
EN ISO 15607, Specification and qualification of welding procedures for metallic materials — Part 1: General
rules (ISO 15607:2003)
EN ISO 15609-1, Specification and qualification of welding procedures for metallic materials — Welding
procedure specification — Part 4: Arc welding (ISO 15609-1:2004)
EN ISO 15614-1, Specification and qualification of welding procedures for metallic materials — Welding
procedure test — Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys (ISO 15614-
1:2004)
EN ISO 15614-2, Specification and qualification of welding procedures for metallic materials — Welding
procedure test — Part 2: Arc welding of aluminium and its alloys (ISO 15614-2:2005)
UN Manual of Tests and Criteria, Part IV
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3 Terms and definitions
The definition of terms used in this document is taken as those given by the relevant regulations concerning
the transport of dangerous goods unless otherwise stated.
For the purposes of this European Standard, the following additional terms and definitions apply.
3.1
inspector
individual or body approved by the competent authority to perform designated inspection and tests
3.2
intermediate inspection
inspection carried out between the initial and the first periodic inspection or between two periodic inspections
3.3
protective lining or coating
lining or coating protecting the metallic tank material against the corrosive attack by the substances to be
carried
Note 1 to entry: This does not apply to lining or coating used only to protect the substance to be carried.
3.4
repair
correction of a defect which may have impaired the safety of the tank or the equipment
Note 1 to entry: It does not include normal service and maintenance operations of the shell or service
equipment or replacement of gaskets or service equipment to the same specification.
3.5
technical code
code or standard(s) according to which the tank has been designed and constructed
4 Tank inspections
4.1 Inspection for type approval
4.1.1 General
The inspection for type approval shall be carried out on a prototype tank for a type approval of either a single
tank or a range of tanks. A type approval which includes a range of tanks will allow the following variations to the
design without requiring a new approval, if there are no other conflicting technical or legal requirements:
 a decrease in the initial design temperature range;
 a decrease in the maximum gross mass;
 a reduction in volume only resulting from variations in diameter (not applicable to non-cylindrical tanks) and
length; the approval file includes a calculation for each proposed diameter, length and number of compart-
ments of the tank under the most unfavourable conditions, i.e.:
 greatest density of goods;
 greatest tank length and diameter;
 greatest tank front compartment;
 greatest tank rear compartment;
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 a variation in the grade of the material used; in the case of austenitic steels and aluminium alloys different
grades may be allowed with the following reserves:
 use of the same qualified welding procedure;
 calculation is carried out in the most unfavourable case, in particular the mechanical characteristics
selected are for each element the lowest values of the grades used;
 the instruction manual specifies the alternatives for compatibility with the substances being carried;
 movement or modification of nozzles and manholes provided that the same level of protection is afforded
and the tank strength calculation takes into account the most unfavourable case;
 an increase of the number of baffles and surge plates;
 an increase of the wall thickness provided the same welding procedures are used;
 a decrease of the maximum working pressure;
 an increase in the thickness of the insulation used for additional protection;
 an increase in the effectiveness of the thermal insulation of the tank;
 use of alternative service equipment if there is no change in the technical specification of the equipment and
it is placed in the same location.
4.1.2 Content of inspection
The inspection for type approval shall be carried out in accordance with the following subclauses:
 examination of documents (see 5.2.1);
 check of the design characteristics (see 5.3);
 inspection of the tank interior (see 5.4);
 inspection of the tank exterior (see 5.5);
 hydraulic pressure test (see 5.6);
 vacuum test (see 5.7, only if required and if no calculation or FE-analysis has been provided);
 leakproofness test (see 5.8);
 determination of water capacity (see 5.9);
 inspection of service equipment (see 5.10);
 inspection of frame or other structural equipment of portable tanks and tank containers (see 5.11);
 dynamic longitudinal impact test of portable tanks (see 5.12)
The inspection for type approval to allow the amendment of the type approval shall be carried out as a
re-examination of the respective applicable clauses of the original inspection for type approval.
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4.1.3 Documentation
The results of the inspection for type approval shall be recorded by the inspector in a test report.
NOTE A preliminary report can be issued after examination of the documents.
In addition to the test report it is recommended that a data sheet is submitted to assist the issuing of type
approval (see Annex A).
4.2 Initial inspection
4.2.1 Content of inspection
The initial inspection shall be carried out in accordance with the following subclauses:
 examination of documents (see 5.2.2);
 check of the design characteristics (see 5.3);
 inspection of the tank interior (see 5.4);
 inspection of the tank exterior (see 5.5);
 hydraulic pressure test (see 5.6);
 leakproofness test (see 5.8);
 determination of water capacity (see 5.9; only where required by regulation for individual tanks);
 inspection of service equipment (see 5.10);
 inspection of frame or other structural equipment of portable tanks and tank containers (see 5.11).
4.2.2 Documentation, certification and marking
The results of the initial inspection shall be recorded by the inspector on a certificate. An individual tank that
has been tested and passed for type approval shall be issued with an initial inspection certificate. Certification
and marking shall be in accordance with 5.13.
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4.3 Periodic inspection
4.3.1 Content of inspection
The periodic inspection shall be carried out in accordance with the following subclauses:
 examination of documents (see 5.2.3);
 inspection of the tank interior (see 5.4);
 inspection of the tank exterior (see 5.5);
 hydraulic pressure test (see 5.6);
 leakproofness test (see 5.8);
 inspection of service equipment (see 5.10);
 inspection of frame or other structural equipment of portable tanks and tank containers (see 5.11).
For vacuum insulated tanks the inspection of the tank interior and the hydraulic pressure test are not required
provided that a satisfactory vacuum is confirmed by measurement. In the case of tanks intended for the
carriage of powdery or granular substances the hydraulic pressure test may be omitted and replaced by the
leakproofness test (see 5.8).
4.3.2 Documentation, certification and marking
The results of the periodic inspection shall be recorded by the inspector on a certificate. Any defect found
which can impair the safety of the tank or the equipment and any related repairs carried out shall be recorded
on the certificate. Certification and marking shall be in accordance with 5.13.
4.4 Intermediate inspection
4.4.1 Content of inspection
The intermediate inspection shall be carried out in accordance with the following subclauses:
 examination of documents (see 5.2.4);
 inspection of the tank interior (see 5.4; only where required by regulation);
 inspection of the tank exterior (see 5.5);
 leakproofness test (see 5.8);
 inspection of service equipment (see 5.10).
 inspection of frame or other structural equipment of portable tanks and tank containers (see 5.11; only
where required by regulation).
4.4.2 Documentation, certification and marking
The results of the intermediate inspection shall be recorded by the inspector on a certificate. Any defect found
which can impair the safety of the tank or the equipment and any related repairs carried out shall be recorded
on the certificate. Certification and marking shall be in accordance with 5.13.
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4.5 Exceptional checks
4.5.1 Exceptional check after damage or repair of the tank
The exceptional check after damage of the tank which can have impaired the safety of the shell, and/or after
repair, shall be carried out in accordance with the following subclauses as applicable:
 examination of documents (see 5.2.5);
 check of the design characteristics (see 5.3);
 inspection of the tank interior (see 5.4);
 inspection of the tank exterior (see 5.5);
 hydraulic pressure test (see 5.6);
 leakproofness test (see 5.8);
 inspection of service equipment (see 5.10).
4.5.2 Exceptional check after repair or replacement of service equipment
The exceptional check after repair or replacement of the service equipment shall be carried out in accordance
with the following subclauses as applicable:
 examination of documents (see 5.2.5);
 check of the design characteristics (see 5.3);
 leakproofness test (see 5.8);
 inspection of service equipment (see 5.10).
4.5.3 Exceptional check after replacement of service equipment involving the application of heat
The exceptional check after exchange of the service equipment involving the application of heat (for example
welding or cutting) which can have impaired the safety of the tank or the service equipment shall be carried out
in accordance with the following subclauses as applicable:
 examination of documents (see 5.2.5);
 check of the design characteristics (see 5.3);
 inspection of the tank interior (see 5.4);
 inspection of the tank exterior (see 5.5);
 hydraulic pressure test (see 5.6);
 leakproofness test (see 5.8);
 inspection of service equipment (see 5.10).
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4.5.4 Exceptional check after alteration to the tank
If there is an alteration to the tank not in accordance with the type approval the applicable units of the inspection
for type approval shall be reassessed.
4.5.5 Exceptional check after exchange or repair of frame or structural equipment
The exceptional check after exchange or repair of frame or structural equipment shall be carried out in
accordance with the following subclauses as applicable:
 examination of documents (see 5.2.5);
 check of the design characteristics (see 5.3);
 inspection of frame or other structural equipment of portable tanks and tank containers (see 5.11).
4.5.6 Exceptional check before and after repair or replacement of the protective lining or coating
The exceptional check before and after repair or replacement of the protective lining or coating whose defect can
impair the safety of the tank shall be carried out in accordance with the following subclauses as applicable:
 examination of documents (see 5.2.5);
 check of the design characteristics (see 5.3);
 inspection of the tank interior (see 5.4);
 hydraulic pressure tests after application of heat (for example burning of the existing lining) which can
have impaired the safety of the tank (see 5.6);
 leakproofness test (see 5.8).
4.5.7 Documentation, certification and marking
The results of the exceptional check shall be recorded by the inspector on a certificate. Any defects found which
can impair the safety of the tank or the equipment and any related repairs carried out shall be recorded on the
certificate. Certification and marking shall be in accordance with 5.13.
A preliminary report can be issued after examination of documents.
5 Units used for tank inspection
5.1 General
A tank which fails one or more units of inspection shall, once the failure has been investigated and corrected, be
retested in accordance with the requirements of those units. If, in the opinion of the inspector, the repair may
have affected the validity of any previous tests these tests shall be repeated.
Depending on the result of the inspections additional inspections can be necessary.
Where the interior of the tanks is to be inspected the tanks shall be empty, clean and safe to enter (e.g. no
electrical services, no heating, safe atmosphere) at the time of inspection. Permits of work according to the
legislation dealing with safety and health at work shall be complied with. This is also a requirement when
necessary for the safety of the inspecting personnel and any other persons in the vicinity even when other
inspections are carried out.
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5.2 Examination of documents
5.2.1 Inspection for type approval
5.2.1.1 Required documents
Documents giving the following information shall be provided for the inspection for type approval by the
manufacturer or his representative:
 name and address of the applicant;
 description of the tank prototype including planned variations to the design and its special characteristics;
 names and addresses of the manufacturer and the assembler of the tank; in the case of fixed tanks (tank
vehicles) or rail tank wagons the design of chassis or wagon; in the case of tank containers or portable
tanks the manufacturer and design of frame if applicable;
 certificate of welder, welding procedure qualification and welding quality system in accordance with the
technical code; when the technical code does not contain requirements for qualification of the welder and
welding procedure the requirements of EN 287-1, EN ISO 9606-2, EN ISO 9606-3, EN ISO 9606-4,
EN ISO 15607, EN ISO 15609-1, EN ISO 15614-1, EN ISO 15614-2 shall be met as applicable;
 description of the assigned mode of operation (e.g. pressure discharging);
 indication of the portable tank instruction, or tank code and the applicable special provisions TA (type
approval), TC (construction) and TE (equipment);
 if required, listing of all substances or groups of substances to be carried by the tank (especially for
substances of class 2 and special substances listed in the regulation for which additional requirements
can apply);
 schematic drawing of the tank with listing of main dimensions;
 schematic drawings of the piping systems;
 data sheet with the operational data of the tank necessary for calculation;
 calculation and, if required, verification by testing of the tank and its fastenings;
 drawings necessary for verifying the manufacture of the tank, of its equipment and of its fastenings,
including an assembly drawing and a parts list indicating the materials;
 drawings for marking (tank plates and others);
 listing of the service equipment with the relevant technical data;
 suitability of the safety equipment including the calculation of the relief capacity if relevant;
 material test certificates as required by the applied technical code for the base materials used for tank
and structural equipment showing values of material properties as required by the relevant regulation;
 material identification of welding filler materials;
 proof of material grades used for the service equipment;
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 record of tests carried out on production control test plates if required by the technical code and/or the
relevant regulations concerning the transport of dangerous goods (the records and the relation between
the test plates and the tanks shall be verified by the inspector);
 when using a protective lining or coating, requirements of the lining or coating manufacturer for testing
proof that the protective lining or coating has been applied in accordance with the manufacturer's
specification;
 record of non-destructive testing carried out on the welds;
 qualification certificate for personnel undertaking non-destructive test (NDT);
 if relevant, validation of the NDT technique used;
 heat treatment procedure and records of heat treatment.
5.2.1.2 Examination of documents
The documents shall be examined to determine that the requirements of the relevant dangerous goods regula-
tions and technical code have been fulfilled. The compatibility of tank material and any coating or lining and
equipment with the assigned dangerous goods shall be verified.
5.2.2 Initial inspection
5.2.2.1 Required documents
The documents shall provide the following information for the initial inspection:
 application for initial inspection;
 type approval certificate;
 information given in the application of type approval where necessary (see 5.2.1.1);
 certificate of welder, welding procedure qualification and welding quality system in accordance with the
technical code; when the technical code does not contain requirements for qualification of the welder and
welding procedure the requirements of EN 287-1, EN ISO 9606-2, EN ISO 9606-3, EN ISO 9606-4,
EN ISO 15607, EN ISO 15609-1, EN ISO 15614-1 EN ISO 15614-2 shall be met as applicable;
 material test certificates as required by the applied technical code for the base materials used for tank
and structural equipment showing values of material properties;
 material identification of welding filler materials;
 proof of material grades used for the service equipment;
 record of tests carried out on production control test plates if required by the technical code and/or the
relevant regulations concerning the transport of dangerous goods (the records and the relation between
the test plates and the tank shall be verified by the inspector);
 when using a protective lining or coating, proof of compatibility of the protective lining or coating with the
dangerous goods to be transported;
 when using a protective lining or coating, proof that the protective lining or coating has been applied in
accordance with the manufacturer's specification;
 record of non destructive testing carried out on the welds;
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 qualification certificate for personnel undertaking non-destructive test (NDT);
 heat treatment procedure and records of heat treatment;
 calculation of water capacity, if applicable.
5.2.2.2 Examination of documents
The documents shall be examined to determine that the type approval has been complied with and that the
requirements of the relevant dangerous goods regulations and the technical code have been fulfilled.
5.2.3 Periodic inspection
5.2.3.1 Required documents
The following documents or copies of them shall be provided for the periodic inspection:
 certificate of initial inspection if the tank has not been subject to periodic inspection;
 certificate of last periodic inspection, if applicable;
 certificate of intermediate inspection if carried out after the previous periodic inspection or after the initial
inspection if there has been no periodic inspection;
 if required one or more of the documents mentioned in 5.2.1.1.
5.2.3.2 Examination of documents
The documents shall be examined to determine that they are relevant to the tank to be examined. Any additional
requirements and remarks given in these documents shall be taken into account.
5.2.4 Intermediate inspection
5.2.4.1 Required documents
The following documents or copies of them shall be provided for the intermediate inspection:
 certificate of initial inspection if the tank has not been subject to periodic inspection;
 certificate of last periodic inspection;
 if required the documents mentioned in 5.2.1.1.
5.2.4.2 Examination of documents
The documents shall be examined to determine that they
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