ASME B30.29 pdf download

ASME B30.29 pdf download

ASME B30.29 pdf download Self-Erecting Tower Cranes Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings
(a) Effective Date. The effective date ofthis Volume of the B30 Standard shall be 1 yr after its date of issuance. Construction, installation, inspection, testing, mainte- nance, and operation of equipment manufactured and facilities constructed after the effective date of this Volume shall conform to the mandatory requirements of this Volume.
(b) Existing Installations. Equipment manufactured and facilities constructed prior to the effective date of this Volume of the B30 Standard shall be subject to the inspection, testing, maintenance, and operation requirements of this Standard after the effective date. Itis notthe intentofthis Volume ofthe B30 Standard to requireretrofittingofexistingequipment. However, when an item is being modified, its performance requirements shall be reviewed relative to the requirements within the current volume. The need to meet the current require- ments shall be evaluated by a qualified person selected by the owner (user). Recommended changes shall be made by the owner (user) within 1 yr.
SECTION VI: REQUIREMENTS AND RECOMMENDATIONS Requirements ofthis Standard are characterized byuse ofthe word shall. Recommendations ofthis Standard are characterized by the word should.
SECTION VII: USE OF MEASUREMENT UNITS This Standard contains SI (metric) units as well as U.S. Customaryunits.Thevalues statedinU.S. Customaryunits areto beregardedas thestandard. TheSI units areadirect (soft) conversion from the U.S. Customary units. SECTION VIII: REQUESTS FOR REVISION The B30 Standards Committee will consider requests for revision of any of the volumes within the B30 Standard. Such requests should be directed to Secretary, B30 Standards Committee
ASME Codes and Standards
Two Park Avenue
New York, NY 10016-5990
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 be forwarded to the relevant B30 Subcommittee for consid- erationandaction.Correspondencewillbeprovidedtothe requester defining the actions undertaken by the B30 Standards Committee. SECTION IX: REQUESTS FOR INTERPRETATION The B30 Standards Committee will render an interpre- tation of the provisions of the B30 Standard. An Interpretation Submittal Form is available on ASME’s website at http://cstools.asme.org/Interpretation/ InterpretationForm.cfm. Phrase the questionas arequestforaninterpretationof a specific provision suitable for general understanding and use, not as a request for approval of a proprietary design or situation. Plans or drawings that explain the question may be submitted to clarify the question. However, they should not contain any proprietary names or information. Read carefully the note addressing the types of requests that the B30 Standards Committee can and cannot consider. Upon submittal, the request will be forwarded to the relevant B30 Subcommittee for a draft response, which will then be subject to approval by the B30 Standards Committee prior to its formal issuance.
The B30 Standards Committee may rewrite the question for the sake of clarity. Interpretations to the B30 Standard will be available online at https://cstools.asme.org/Interpretation/ SearchInterpretation.cfm. SECTION X: ADDITIONAL GUIDANCE The equipment covered by the B30 Standard is subject tohazardsthatcannotbeabatedbymechanicalmeans,but only by the exercise of intelligence, care, and common sense. It is therefore essential to have personnel involved intheuseandoperationofequipmentwho arecompetent, careful, physically and mentally qualified, and trained in theproperoperationofthe equipmentand thehandlingof loads.
Serious hazards include, but are not limited to, improper or inadequate maintenance, overloading, droppingorslippingofthe load, obstructingthe free passage of the load, and using equipment for a purpose for which it was not intended or designed.
The B30 Standards Committee fully realizes the impor- tance of proper design factors, minimum or maximum dimensions, and other limiting criteria of wire rope or chain and their fastenings, sheaves, sprockets, drums, and similar equipment covered by the Standard, all of which are closely connected with safety. Sizes, strengths, and similar criteria are dependent on many different factors, often varying with the installation and uses. These factors depend on
(a) the condition of the equipment or material
(b) the loads

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