ASME B30.20:2010 pdf free download

ASME B30.20:2010 pdf free download Below-the-Hook Lifting Devices Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings
SECTION V:EFFECTIVE DATE
(a)Effective Date. The effective date of this Volume ofthe B30 Standard shall be 1 yr after its date of issuance.Construction,installation,inspection,testing. mainte-nance,and operation of equipment manufactured andfacilities constructed after the effective date of thisVolume shall conform to the mandatory requirementsof this volume.
(b)Exisfing Irsfaliations. Equipment manufacturedand facilities constructed prior to the effective date ofthis Volume of the B30 Standard shall be subject to theinspection, testing, maintenance, and operation require-ments of this Standard after the effective date.
lt is not the intent of this Volume of the B30 Standardto require retrofitting of existing equipment. However,when an item is being modified, its performance require-ments shall be reviewwed relative to the requirementswithin the current volume. The need to meet the currentrequirements shall be evaluated by a qualified personselected by the owner (user). Recommended changesshall be made by the owner (user) within 1 yr.
SECTION V: REQUIREMENTS AND
RECOMMENDATIONs
Requirements of this Standard are characterized byuse of the word shal. Recommendations of this Standardare characterized by the word should.
SECTION V:uSE OF MEASUREMENT UNITS
This Standard contains Sl (metric) units as well asU.s. Customary units.The valuesstatedinu.S.Customary units are to be regarded as the standard.The Sl units are a direct (softy conversion from theu.S Customary units.
SECTION VI:REQUESTS FOR REVISION
The B30 Standards Committee will consider requestsfor revision of any of the volumes within theB30 Standard. Such requests should be directed to
Secretary, B30Standards Committee
ASME Codes and Standards
Three Park Avenue
New York, NY 10016-5990
Requests should be in the following formatVolume: Cite the designation and title of the
volume.
Edition:Cite the applicable edition of the volume.Subject:
Cite the applicable paragraph number(s)and the relevant heading(s).
Request:
Indicate the suggested revision.
Rationale: State the rationale for the suggested
revision.
Upon receipt by the Secretary, the request will beforwarded to the relevant B30 Subcommittee for consid-eration and action.Correspondence will be provided tothe requester defining the actions undertaken by theB30 Standards Committee.
SECTION lIX:REQUESTS FOR INTERPRETATIONThe B30 Standards Committee will render an interpre-tation of the provisions of the B30 Standard. suchrequests should be directed to
Secretary,B30 Standards CommitteeASME Codes and Standards
Three Park Avenue
New York, NY 10016-5990
Requests should be in the following format:Volume:
Cite the designation and title of thevolume.
Edition:
Cite the applicable edition of the volume.
Subject:
Cite the applicable paragraph number(s)
Question: Phrase the question as a request for an
and the relevant headinghs).
interpretation of a specific provision suit-able for general understanding and use,not as a request for approval of a proprie-tary design or situation. Plans or draw-ings that explain the question may besubmitted to clarify the question. How-ever, they should not contain any proprie-tary names or information.
Upon receipt by the Secretary,the request will beforwarded to the relevant B30 Subcommittee for a draftresponse, which will then be subject to approval by theB30 Standards Committee prior to its formal issuance.lnterpretations to the B30 Standard will be publishedin the subsequent edition of the respective volume, andwill be available online at http: / f cstools.asme.org.
SECTION : ADDITIONAL GUIDANCE
The equipment covered by the B30 Standard is subjectto hazards that cannot be abated by mechanical means,but only by the exercise of intelligence, care, and com-!mon sense. It is therefore essential to have personnelinvolved in the use and operation of equipment whoare competent, careful physically and mentally quali-fied, and trained in the proper operation of the equip-ment and the handling of loads.Serious hazards include,but are not limited to. improper or inadequate mainte-nance,overloading, dropping or slipping of the load,