B30.3 applies to "construction tower cranes" and "permanently fixed tower cranes" which are powered by means of electrical vehicles or inner combustion engines and that vary their working radius via a luffing growth mechanism, a trolley traversing a horizontal jib, or a mixture of the 2.

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Additional resources for ASME B30-3-CONSTRUCTION OF TOWER CRANES

Example text

2 Load limiting devices, and acceleration/ deceleration limiters when provided, shall be installed in enclosures that can be locked or sealed to inhibit tampering and unauthorized adjustment. 3 Motion limiting devices, such as in paras. 1(a), (b), (c), and (d), may be provided with means to pennit the operator to ovemde them under controlled conditions. 25 COPYRIGHT 2002; American Society of Mechanical Engineers (96) Document provided by IHS Licensee=Qatar Petroleum/5943408103, User=, 10/14/2002 08:50:46 MDT Questions or comments about this message: please call the Document Policy Management Group at 1-800-451-1584.

Scope .................... Section I Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section II Interpretations . . . . . . Section III New and Existing Installations ................................... Section IV Mandatory and Advisory Rules . . . . . . . 0 . 3 . . . . . . . . . . . . . . . . . . . . . . . . . Definitions ... Reference t r C nd Standards . . ...... 1 Site Preparation and Erection .

This is true particularly when: the equipment has been altered, repaired, or modified; the manuals or documents supplied by the manufacturer are no longer available; or the manufacturer or a successor is no longer in business and the manuals are no longer available. However, the purpose of consulting a qualified person shall not be to avoid contacting the manufacturer and using the information supplied by the manufacturer. The Standards Committee will be glad to receive criticisms of this Standard’s requirements and suggestions for its improvement, especially those based on actual experience in application of the rules.

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