ASME B30.24:2008 pdf free download

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ASME B30.24:2008 pdf free download

ASME B30.24:2008 pdf free download.Container Cranes.
24-1.4.2 WeLded Construction
Welding procedures and welding operator qualifications to be used on load-sustaining members shall be in accordance with ANSI/AWS DI.), except as modified by ANS(/AWS D14.l. Where special steels are used, the manufacturer or qualified person shall provide welding procedures.
24-1.4.3 Crane Structural Members
Cranes shall be constructed to withstand all stresses imposed on members and components under normal operating conditions when installed and handling loads not exceeding the manufacturer’s load ratings.
24-1.4.4 Truck Frame Drop
Means shall be provided to limit the drop of a rail- mounted crane’s trolley and gantry truck frames to a maximum of 1 in. (25.4 mm) in case of wheel or axle breakage.
24-1.4.5 Machinery House
(a) The machinery house, when furnished, shall be weather-resistant and equipped with two doors for egress. The doors shall be equipped with latches to hold the doors in the closed position. Hinged doors shall open outward,
(b) Machinery shall be arranged to be accessible for repair, maintenance, lubrication, and inspection.
24-1.4.6 Gantry Drive
The gantry drive shall provide adequate traction and power LIndE’r normal operating conditions to include acceleration and deceleration with and against the spedlied operating wind.
24-1.4.7 Spreader
(a) The spreader shall be constructed so that the twist- locks will engage the corner castings of intermodal shipping containers.
(b) The control of the spreader shall be from the operator’s cab.
(C) A suitable mechanical, hydraulic. and/ort-lectrical interlocking system(s) shall be provided to prevent unlocking the twist-locks when carrying a container and to prevent locking action of the twist-lock system until all twist-locks are seated in the corner castings.
(d) A means shall be provided to enable the operator to determine that the container corner castings have been properly engaged.
24-1.4.8 Electromagnetic Interference
For cranes operating in areas susceptible to electromagnetic interference (FM I), crane electrical systems shall be shielded and grounded to protect from EMI.
24-1.4.12 Fire Extinguishers
A portable fire extinguisher with a minimum extin-guisher rating of 10 BC shall be installed at the followinglocations:
(a) in the cab.
(b)at each door of the machinery house, if provided.If the machinery house has only one door, an additionalfire extinguisher should be located at the far end fromthe door.
(c) in the diesel engine / generator compartment, ifprovided.
24-1.4.13 Modifications
(a) Cranes may be modified or rerated by or under thedirection of a qualified person or the crane manufacturer.(b)A rerated crane or one whose load-supportingcomponents have been modified shall be tested in accor-dance with para. 24-2.2.2.
(c) The new rated load shall be displayed in accor-dance with Section 24-1.1.
(d)Documentation verifying compliance with therequirements of this Volume, including calculations anddrawings, shall be retained when cranes are modifiedor rerated.
SECTION 24-1.5:OPERATOR’S STATIONS24-1.5.1 Cab Design and Construction
(a)The cab shall be designed and constructed to with-stand the stresses imposed on it under normal operatingconditions.
(b) The cab shall be constructed and attached to thecrane to minimize swaying and vibrations.