BS EN 12285-1-2003 Workshop fabricated steel tanks - Horizontal cylindrical single skin and double skin tanks for the underground storage of flammable and non-flammable water pollu.pdf

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1、BRITISH STANDARDBS EN 12285-1:2003Incorporating Corrigendum No. 1Workshop fabricated steel tanks Part 1: Horizontal cylindrical single skin and double skin tanks for the underground storage of flammable and non-flammable water polluting liquidsThe European Standard EN 12285-1:2003 has the status of

2、a British StandardICS 13.300; 23.020.10g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 12285-1:2003This British Standard, was published under

3、the authority of the Standards Policy and Strategy Committee on 6 August 2003 BSI 23 January 2006ISBN 0 580 42404 9National forewordThis British Standard is the official English language version of EN 12285-1:2003. Together with BS EN 12285-2:2005, it supersedes BS 2594:1975 which is withdrawn.The U

4、K participation in its preparation was entrusted by Technical Committee PVE/21, Fabricated metallic tanks and equipment, to Subcommittee PVE/21/1, Fabricated metallic tanks, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its se

5、cretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catal

6、ogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the

7、 text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis document comprises a front c

8、over, an inside front cover, the EN title page, pages 2 to 159 and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date Comments15962 Corrigendum No. 123 January 2006 Revision of supersession det

9、ailsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 12285-1March 2003ICS 13.300; 23.020.10English versionWorkshop fabricated steel tanks - Part 1: Horizontal cylindricalsingle skin and double skin tanks for the underground storage offlammable and non-flammable water polluting liquidsRservoirs en a

10、ciers fabriqus en atelier - Partie1:Rservoirs horizontaux cylindriques simple et doubleparoi pour le stockage enterr de liquides inflammables etnon-inflammables polluant leauWerksgefertigte Tanks aus Stahl - Teil 1:Liegendezylindrische ein- und doppelwandige Tanks zurunterirdischen Lagerung von bren

11、nbaren undnichtbrennbaren wassergefhrdenden FlssigkeitenThis European Standard was approved by CEN on 4 November 2002.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without an

12、y alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the 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 tra

13、nslationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Hungary, Iceland, Irel

14、and, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovak Republic, Spain, Sweden, Switzerland andUnited Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2003 CEN All rights of

15、exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12285-1:2003 EEN 12285-1:2003 (E)2ContentspageForeword31 Scope 42 Normative references 53 Terms and definitions54 Symbols and abbreviations 75 Designation and purchasers specification.86 Materials86.1 Ge

16、neral86.2 Materials for shell, dished ends and manholes96.3 Materials for tank accessories96.4 Consumable96.5 Material inspection documentation .97 Design .97.1 Forms of construction.97.2 Single skin tanks97.3 Double skin tanks 97.4 Dished ends97.5 Compartments97.6 Dimensions.107.6.1 Material thickn

17、ess107.6.2 Secondary skin.107.6.3 Interstitial space.107.7 Tolerances 117.8 Shell plate arrangement 117.9 Manholes and inspection covers .117.10 Structural bolts.127.11 Tank fittings, pipes and nozzles.127.12 Stiffening rings.137.13 Lifting lugs158 Fabrication158.1 Plate preparation158.2 Shell plate

18、 forming.158.3 Types of joints158.4 Welding procedures, welders qualifications158.5 External coating .199 Testing 199.1 General199.2 Pressure testing.209.3 Testing of the external coating.2010 Handling and installation 2010.1 Handling2010.2 Installation 2011 Marking of the tank and manufacturers sta

19、tement .2111.1 Marking of the tank 2111.2 Manufacturers statement .2111.3 Drawings.21Annex A (informative) Transport, storage and installation procedure 22Annex B (informative) Evaluation of liquid-material-combinations for storage tanks according to thisstandard24Annex C (informative) A-devitations

20、155Bibliography 159EN 12285-1:2003 (E)3ForewordThis document (EN 12285-1:2003) has been prepared by Technical Committee CEN /TC 221 “Shop fabricatedmetallic tanks and equipment for storage tanks and for service stations“, the secretariat of which is held by DIN.This European Standard shall be given

21、the status of a national standard, either by publication of an identical text orby endorsement, at the latest by September 2003, and conflicting national standards shall be withdrawn at thelatest by September 2003.This standard is part of a series of standards in the field of shop fabricated metalli

22、c tanks. The titles of thestandards which are already edited or are under preparation are:Workshop fabricated steel tanks; Horizontal cylindrical single skin and double skin tanks for the undergroundstorage of flammable and non-flammable water polluting liquidsWorkshop fabricated steel tanks; Horizo

23、ntal cylindrical single skin and double skin tanks for the abovegroundstorage of flammable and non-flammable water polluting liquids.Further standards will be evaluated according to former decisions of CEN/TC 221 and according to the commonrules for standard works for CEN-standards.Annexes A, B and

24、C are informative.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg,

25、 Malta, Netherlands, Norway, Portugal,Slovak Republic, Spain, Sweden, Switzerland and the United Kingdom.EN 12285-1:2003 (E)41 ScopeThis standard specifies the requirements for shop fabricated cylindrical, horizontal steel tanks, single and doubleskin for the underground storage of water polluting l

26、iquids (both flammable and non-flammable) within the followinglimits:from 800 mm up to 3000 mm nominal diameter and,up to a maximum overall length of 6 times the nominal diameter and,for liquids with a maximum density of up to 1,9 kg/l and,with an operating pressure (po) of maximum 1,5 bar (abs.) an

27、d,for double skin tanks with a vacuum leak detection system where the kinematic viscosity does not exceed5 x 10-3m2/s.This standard is applicable for normal operating temperature conditions (-20 C to +50 C). Where temperaturesare outside this range, additional requirements should be taken into accou

28、nt.For guidance on the liquid-material combinations see Annex B.This standard is not applicable to the liquid classes listed in Table 1 because of special dangers involved. Thisstandard does not deal with internal coating.Table 1 List of dangerous goods not to be considered by this standardUN-classi

29、ficationDangerous GoodClass 1Class 4.2Class 4.3Class 5.2Class 6.2Class 7ExplosivesSubstances liable to spontaneous combustionSubstances which in contact with water emit flammable gasesOrganic peroxidesInfectious substancesRadioactive substances, hydrocyanic or hydrocyanic solvent liquids, metalcarbo

30、nyls, hydrofluoracid,bromide liquidsThe classifications referred to are those adopted by the United Nations Committee of Experts on the Transport ofDangerous Goods (not to be interpreted as tank classes described in 3.4).EN 12285-1:2003 (E)52 Normative referencesThis European Standard incorporates b

31、y dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text, and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStanda

32、rd only when incorporated in it by amendment or revision. For undated references the latest edition of thepublication referred to applies (including amendments).EN 2871, Approval testing of welders Fusion welding Part 1: Steels.EN 2881, Specification and qualification of welding procedures for metal

33、lic materials Part 1: General rules forfusion welding.EN 2882, Specification and approval of welding procedures for metallic materials Part 2: Welding procedurespecification for arc welding.EN 2883, Specification and approval of welding procedures for metallic materials Part 3: Welding proceduretest

34、s for the arc welding of steels.EN 10025, Hot rolled products of non-alloy structural steels Technical delivery conditions.EN 10051:1991, Continuously hot-rolled uncoated plate, sheet and strip of non-alloy and alloy steels Toleranceson dimensions and shape.EN 10204:1991, Metallic products Types of

35、inspection documents.prEN 131601, Leak detection systems Part 1: General principles.prEN 131602, Leak detection systems Part 2: Pressure and vacuum systems.prEN 131603, Leak detection systems Part 3: Liquid systems for tanks.prEN 131604, Leak detection systems Part 4: Liquid and/or vapour sensor sys

36、tems for use in leakagecontainments or interstitial spaces.prEN 131605, Leak detection systems Part 5: Tank gauge leak detection systems.prEN 131606, Leak detection systems Part 6: Sensors in monitoring wells.prEN 131607, Leak detection systems Part 7: General requirements and test methods for inter

37、stitial spaces,leak protecting linings and leak protecting jackets.EN ISO 8981, Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws andstuds (ISO 898-1:1999).EN ISO 85011, Preparation of steel substrates before application of paints and related products -

38、Visualassessment of surface cleanliness Part 1: Rust grades and preparation grades of uncoated steel substrates andof steel substrates after overall removal of previous coatings (ISO 8501-1:1988).3 Terms and definitionsFor the purposes of this European Standard, the following terms and definitions a

39、pply.3.1tanksworkshop fabricated cylindrical containments for the storage of liquids. They are made of steel, equipped with dishedends and consist of one or more compartmentsEN 12285-1:2003 (E)63.2compartmentsingle storage fluid space within a tank3.3underground tankstanks which are totally or parti

40、ally imbedded in the ground3.4tank classesare defined in Table 2Table 2 Tank classesTank class DescriptionClass AClass BClass CFor liquids with density up to 1,1 kg/lFor liquids with density up to 1,9 kg/lFor liquids with density up to 1,9 kg/l, and explosion pressure shockproof under atmosphericcon

41、ditions (see also 3.5)3.5explosion pressure shockproof tanksare designed to withstand an internal explosion without leakage; permanent deformations are permissible. Where theatmospheric pressure of 1 bar the maximum explosion pressure is measured at 10 bar (abs.)3.6tank typesfor the purpose of this

42、standard two tank types are distinguished:Type S: Single skinType D: Double skin3.7operating pressure (po)pressure inside the tank above the liquid during operating conditions3.8test pressure (pt1)pressure to which the tank or compartment is subjected for testing3.9interstitial test pressure (pt2)pr

43、essure to which the interstitial space between the skins is subjected for testing. It is only applicable for double skintanks3.10nominal volumevolume stated on customers order3.11actual volumevolume which is equal to or greater than the nominal volumeNOTE The safe working capacity of the tank should

44、 usually not exceed 97 % of the nominal volume in normal operatingtemperatures.EN 12285-1:2003 (E)74 Symbols and abbreviationsFor the purpose of this standard the following symbols apply:Dimensions in mmd1External nominal diameter of the tankd2Inside diameter of the manholed3Diameter of the manhole

45、coverh1Length of the straight flange of the dished endkpPitch circle diameterlcLength of the compartment of a tank without dished endsloOverall length of the tanklzLength of the tank without dished endsr1Crown radius of dished endsr2Knuckle radius of dished endsr3Knuckle radius of the outer dished e

46、nds1Nominal thickness of inner skin and inner dished endss2Interstitial spaces3Nominal thickness of outer skins4Nominal thickness of outer dished endss5Nominal thickness of compartment dished endss6Nominal thickness of manhole flange and covers7Plate thickness of manhole bodyincline angle for T-join

47、t weldingEN 12285-1:2003 (E)8Tank type S Tank type D(single skin) (double skin)Key1 nozzle detail see figure 32 example for stiffening ring see figure 43 lifting lugFigure 1 Example of tank symbols5 Designation and purchasers specificationExample for designation: A tank according to this standard wi

48、th a nominal volume of 50 m and a nominal diameterd1 = 2500 mm, tank class A and type D is designated as follows:Tank EN 12285-1/50/2500/A/DThe purchaser shall also provide the following information:a) number of compartments and their volumes,b) material specification,c) kind of external coating.6 M

49、aterials6.1 GeneralThe manufacturer selects the material in accordance with the customers instructions either by using the materialspecified by the purchaser or by nomination of intended liquids to be stored.Annex B provides guidelines on material specifications in relation to storage media.EN 12285-1:2003 (E)96.2 Materials for shell, dished ends and manholesCarbon steel according to EN 10025 or austenitic stainless steel according to EN 10088-1 may be used if themechanical properties are at least eq