ANSI ASME B30.20 INTERPRETATIONS-2012 Interpretations to B30.20 - Below-The-Hook Lifting Devices (Includes Interpretations Through May 2012).pdf
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1、ASME B30.20 INTERPRETATIONSReplies to Technical InquiriesOctober 2010 Through May 2012FOREWORDThis publication includes all of the written replies issued between the indicated dates by theSecretary, speaking for the ASME B30 Committee, Safety Standards for Cableways, Cranes,Derricks, Hoists, Hooks,
2、Jacks, and Slings, to inquiries concerning interpretations of technicalaspects of ASME B30.20, Below-The-Hook Lifting Devices.These replies are taken verbatim from the original letters except for a few typographicalcorrections and some minor editorial corrections made for the purpose of improved cla
3、rity. Insome few instances, a review of the interpretation revealed a need for corrections of a technicalnature; in these cases, a corrected interpretation follows immediately after the original reply.These interpretations were prepared in accordance with the accredited ASME procedures.ASME procedur
4、es provide for reconsideration of these interpretations when or if additionalinformation is available that the inquirer believes might affect the interpretation. Further, personsaggrieved by this interpretation may appeal to the cognizant ASME Committee or Subcommittee.ASME does not “approve,” “cert
5、ify,” “rate,” or “endorse” any item, construction, proprietarydevice, or activity.I-1ASME B30.20 INTERPRETATIONSInterpretation: 20-34Subject: ASME B30.20-2006, Para. 20-1.3.8.2Date Issued: October 12, 2010Question: What is the minimum load (applied on a lifting device in whatever manner) from whichw
6、e have to apply the load test procedure?Reply: Load testing of a Structural or Mechanical Lifting device is not a mandatory requirement.There is no minimum rated load for which a load test is recommended to be performed.Interpretation: 20-35Subject: ASME B30.20-2010, Para. 20-1.3.1, Inspection Class
7、ification Subparagraph (b)(3) PeriodicInspectionDate Issued: February 1, 2011Question (1): Would it be correct to say that an external code mark may be substituted fordated inspection reports that appear to be mandatory by this Standard in Table 1 Note (2) andin paras. 20-1.3.6 and 20-2.3.6?Reply (1
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