ASME B30.6:2020 pdf download.Derricks-Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings.
6-1.4.2 Stiffleg Derricks
(a) The mast base shall be anchored. Anchorages shall be designed, fabricated, and installed to withstand the maximum horizontal and vertical forces encountered while handling rated loads stipulated for the application with the particular stilfleg spacing and slope.
(b) The stifflegs shall be anchored. Anchorages shall be designed, fabricated, and installed to withstand the maximum horizontal and vertical forces encountered while handling rated loads stipulated for the application with the particular stiffleg spacing and slope.
6-1.4.3 Load-AnchorIng Data
For permanent fixed installations, the owner shall provide load-anchoring data referred to in paras. 6-1.4.1 and 6-1.4.2 for the conditions stipulated for the application. For nonpermanent installations, such data shall be determined by a qualified person.
SECTION 6-1.5: WINCHES AND SWINGERS
(a) The boom, load winch, and swinger mechanisms shall be suitable for the derrick work intended and shall be anchored to prevent displacement from the imposed loads. Caution should be exercised in the use of winches having excessive line pull or braking capacity for the application.
(b) Winch requirements of ASME B30.7 shall apply.
SECTION 6-1.6: GENERAL REQUIREMENTS
6-1.6.1 Guards
(a) Exposed moving parts, such as gears, ropes, set screws, projecting keys, chains, chain sprockets, and reciprocating components, that constitute a hazard under normal operating conditions shall be guarded.
(b) Guards shall be fastened in place.
(c) Each guard shall be capable of supporting, without permanent distortion, the weight of a 200 lb (90 kg) person, unless the guard is located where it is not probable that a person will step on it.
6-1.6.2 Lubrication
Lubricating points should be accessible without removing guards or other parts.
6-1.6.3 Hooks
(a) Hooks shall meet the manufacturer’s recommendations and shall not be overloaded. If hooks are of the swiveling type, they should rotate freely. Refer to
ASME B30.1O.
(b) Hooks with latches should be used wherever possible.
6-1.6.4 Boom AngLe Indicator
Boom angle indicator should be provided and be readable by the operator or the signalperson, unless the derrick has one rating for all boom angles.
6-1.6.5 ControLs Marking
Refer to ASME B30.7 for the requirements for the marking of controls.ASME B30.6 pdf download.