1、 No part of this translation may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Ref. No. DIN 1212-2:2003-05English price group 05 Sales No. 010503
2、.06Continued on pages 2 to 4.ICS 97.145Steigeisen mit Aufkantung fr zweiluge Steigeisengnge Teil 2: Steigeisen zum Einbau in BetonfertigteileForewordThis standard has been prepared by Technical Committee V 1 Entwsserungsgegenstnde of the Normen-ausschuss Wasserwesen (Water Practice Standards Committ
3、ee). It supplements DIN EN 13101, prepared by CEN/TC 165 Waste water engineering, which species general requirements and test methods for manhole step irons but does not include all relevant dimensions.DIN 1212 Step irons with upstand for staggered manhole steps consists of the following Parts:Part
4、1: Brickwork and in-situ concrete manhole step ironsPart 2: Precast concrete manhole step ironsPart 3: Bolt-on step ironsFurther standards specifying the dimensions of other types of manhole step irons are listed in the bibliog-raphy.AmendmentsThis standard differs from the October 1986 edition as f
5、ollows.a) The specications have been harmonized with those given in DIN EN 13101.b) References have been updated. In particular, the material specication is now to DIN EN 1561.c) The standard has been editorially revised.Previous editionDIN 1212-2: 1986-101212-2Step irons with upstand for staggered
6、manhole stepsPart 2: Precast concrete manhole step ironsTranslation by DIN-Sprachendienst.In case of doubt, the German-language original should be consulted as the authoritative text.DEUTSCHE NORM May 2003Supersedes October 1986 edition.Page 2DIN 1212-2:2003-051 ScopeThis standard species requiremen
7、ts for step irons with upstand for staggered manhole steps designed to be tted into precast concrete manholes giving access to sewerage systems. General requirements and marking specications for such step irons are specied in DIN EN 13101.2 Normative referencesThis standard incorporates, by dated or
8、 undated reference, provisions from other publications. These norma-tive references are cited at the appropriate places in the text, and the titles of the publications are listed below. For dated references, subsequent amendments to or revisions of any of these publications apply to this stand-ard o
9、nly when incorporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies (including any amendments).DIN V 1264 Steps for underground man entry chambers Application in construction works for wastewa-ter disposalDIN 1451-1 Typefaces Slab-s
10、erif GeneralDIN EN 1561 Founding Grey cast ironsDIN EN 13101 Steps for underground man entry chambers Requirements, marking, testing and evaluation of conformityDIN ISO 8062 Castings System of dimensional tolerances and machining allowances (ISO 8062:1994)3 Dimensions and designationThe design shown
11、 is for illustrative purposes only, but the dimensions shall be as specied in gure 1.General tolerances shall be class CT 10 tolerances as in DIN ISO 8062.Page 3DIN 1212-2:2003-05Type EDimensions in millimetresKey to gure1 Space for production coding, date of casting2 Space for CE marking3 Space for
12、 manufacturers symbol4 Space for symbol of third-party inspection agencyFigure 1: Dimensions of type E step iron (notation)Designation of a type E step iron (E) with upstand for staggered steps designed to be tted into precast con-crete manholes:Step iron DIN 1212 ESection AA (rotated by 90)Page 4DI
13、N 1212-2:2003-054 MaterialEN GJL-200 cast iron as in DIN EN 1561.5 FinishCast iron elements need not be protected against corrosion, any surface treatment (e.g. for decorative pur-poses) being at the manufacturers discretion.6 MassThe mass of a step iron designed in accordance with this standard sha
14、ll be approximately 3,05 kg.7 Requirements, testing and inspectionThe specications of DIN EN 13101 and DIN V 1264 shall apply.Third-party inspection shall be carried out as specied in Annex I of DIN EN 13101.8 MarkingThe specications of DIN EN 13101 shall apply. Step irons complying with this standa
15、rd shall, in addition, be marked with the DIN number (DIN 1212), the letter E indicating the type, and the manufacturers symbol.See DIN 1451-1 for lettering.9 Arrangement and installation of step ironsStep irons shall be arranged and installed as specied in DIN V 1264.Step irons shall not be driven
16、into fresh concrete by means of a hammer.BibliographyDIN 1211-1 Step irons for staggered manhole steps Brickwork and in-situ concrete manhole step ironsDIN 1211-2 Step irons for staggered manhole steps Precast concrete manhole step ironsDIN 1211-3 Step irons for staggered manhole steps Bolt-on step ironsDIN 19555 Step irons for straight manhole steps in in-situ concrete manholes
