ASME B30.12 pdf free download

ASME B30.12 pdf free download Handling Loads Suspended From Rotorcraft Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings
Dou.ZoDaance Lnng unts
SECTION l:sCOPE EXCLUSIONs
The B30 Standard does not apply to track and automo-tive jacks, railway or automobile w recking cranes,ship-board cranes,shipboard cargo-handling equipment,well-drilling derricks, skip hoists, mine hoists, truckbody hoists, car or barge pullers, conveyors, excavatingequipment,or equipment covered under the scope ofthe following standards: A10,A17,A90,A92,A120, B20,B56, and B77.
sECTION :PURPOSE
The B30 Standard is intended to
a) prevent or minimize injury to workers, and other-wise provide for the protection of life, limb,and propertyby prescribing safety requirements
b) provide direction to manufacturers, owners,employers, users,and others concerned with, or respon-sible for, its application
(c) guide governments and other regulatory bodiesin the development, promulgation, and enforcement ofappropriate safety directives
SECTION V:USE BY REGULATORY AGENCIES
These Volumes may be adopted in whole or in partfor governmental or regulatory use. If adopted for gov-ernmental use, the references to other national codesand standards in the specific volumes may be changedto refer to the corresponding regulations of the govern-mental authorities.
SECTION v:EFFECTIVE DATE
a)Effective Date.The effective date of this Volume ofthe B30 Standard shall be 1 year after its date of issuance.Construction, installation, inspection,testing, mainte-nance, and operation of equipment manufactured andfacilities constructed after the effective date of this
Volume shall conform to the mandatory requirementsof this Volume.
(b)Existing Installations. 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 reviewed 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 year.
SECTION VI:REQUIREMENTS AND
RECOMMENDATIONS
Requirements of this Standard are characterized byuse of the word sal. Recommendations of this Standardare characterized by the word should.
SECTION VII:usE OF MEASUREMENT UNITS
This Standard contains SI (metric) units as well asU.S.Customary units. The values stated in customaryunits are to be regarded as the standard. The SI unitsare a direct (soft) conversion from the customary units.
SECTION V: 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,B30 Standards Committee
ASME Codes and Standards
Three Park Avenue
New York, NY 10016-5990
The requests should be in the following format:
Volume: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 IX:REQUESTS FOR INTERPRETATION
The 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
The requests should be in the following format:Volume: 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).
Question: Phrase the question as a request for an inter-
pretation of a specific provision suitable forgeneral understanding and use, not as arequest for approval of a proprietary designor situation. Plans or drawings that explainthe question may be submitted to clarify thequestion. However, they should not containany proprietary 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.Interpretations to the B30 Standard will be publishedin the subsequent edition of the respective volume andwill be available online at http: / / cstools.asme.org.