Abstract： ASME B30.8:2004 pdf download.FLOATIN GCRANES AND FLOATING DERRICKS. Within the general scope defined in Section I of the Introduction, B30.8 applies to cranes and derricks mounted on barges or pontoons. Floating cranes are convertible for e...

ASME B30.8:2004 pdf download.FLOATIN GCRANES AND FLOATING DERRICKS.

Within the general scope defined in Section I of the Introduction, B30.8 applies to cranes and derricks mounted on barges or

pontoons. Floating cranes are convertible for excavation service and other uses that are categorically not considered to be lifting service. The requirements of this volume are applicable only to floating cranes and floating derricks used for vertical lifting and lowering of freely suspended unguided loads (see Figs. I through 5).

SECTiON 8-0.2: DEFiNITIONS

accessory: a secondary part or assembly of parts that contributes to the overall function and usefulness of a machine.

administrative or regulatory authority: governmental agency or the employer in the absence of governmental jurisdiction.

anchorage a point of attachment For tie-downs.

aniJc indicator, boom: a device that measures the angle of the boom to the horizontal.

appointed: assigned specific responsibilities by the employer or the employer’s representative.

authorized: appointed by a duly constituted administrative or regulatory authority

auxilinrt,. hoist: a secondary hoist rope system used either in conjunction with, or independently of, the main hoist system.

axis of rotation: the vertical axis around which the crane superstructure rotates.

billlxrd: a flat, usually inclined platform on which to stow spare or emergency anchors.

bitt (bollard): an upright wooden or metal post on a dock. barge, or pontoon to which hawsers may be secured.

boom: a member hinged to the superstructure and used for supporting the hoisting tackle.

boom angle: the angle above or below horizontal of the longitudinal axis of the base boom section.

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