Home>ASME standards>ASME B30.6-2020 pdf free

ASME B30.6-2020 pdf free

ASME B30.6-2020 pdf free.Derricks Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings.
abnormal operating conditions: environmental conditions that are unfavorable, harmful, or detrimental to or for the operation of a derrick, such as excessively high or low ambient temperatures, exposure to adverse weather, corrosive fumes, dust-laden or moisture-laden atmospheres, and hazardous locations.
administrative or regulatory authority: governmental agency or the employer in the absence of governmental jurisdiction.
boom: a strut, pivoted or hinged at the heel (lower end) at a location fixed in height on a frame, mast, or vertical member, with its point (upper end) supported by chains, ropes, or rods to the upper end of the frame, mast, or vertical member. A rope for lifting and lowering the load Is reeved through the sheaves or a block at the boom point and the load block
boom angle: the angle above or below horizontal of the longitudinal axis of the boom base section.
boom angle indicator: an accessory that measures the angle of the boom to the horizontal.
boom harness: the block and sheave arrangement on the boom point to which the topping lift cable is reeved for raising and lowering the boom.
boom point: the outward end of the top section of the boom.
configuration: the post-erected arrangement of the derrick, including boom, mast, jib, and guys.
crossover points: in multiple-layer spooling of rope on a drum, those points of rope contact where the rope crosses the preceding rope layer.
dedicated spotter: qualified signalperson who has direct and unrestricted contact with the operator and whose sole responsibility Is to verify that the specified clearance(s) are maintained.
derrick bullwheel: a horizontal ring or wheel fastened to the mast base of a derrick for the purpose of swinging the derrick by means of ropes leading from this wheel to a powered drum.
derrick service:
(a) normal: service that Involves operating at less than 85% rated capacity and not more than 10 lift cycles per hour except for isolated instances.
(b) heavy: service that involves operation within the rated load limit that exceeds normal service.ASME B30.6 pdf download.


Related PowerPoint Templates

Template Categories