ASME B30.8-2020 pdf – Floating Cranes and Floating Derricks.
8-1.3.3 ManhoLes and Hatches
(a) Manholes shall be no smaller than 15 in. x 22 in. (380 mm x 560 mm).
(b) Access shall be provided to all void compartments and shall not be obscured or covered by timber mats, deck cargo, or any other materials. Access hatches shall be maintained watertight and shall not be sealed by welding or caulking.
8-1.3.4 Fittings
The following fittings shall be provided as needed:
(a) for oceangoing barges or pontoons, and for barges or pontoons operating more than 20 ml (32 km) offshore, a removable guard rail system along all edges of the weather deck of the barge or pontoons
(b) capstan(s) or winch(es), forward and aft
(c) anchor(s)
(d) towing lugs and chocks
(e) boarding ladder, port and starboard
(1) double bitt at each corner and cleats along sides on deck
8-1.3.5 Life Preservers
(a) At least one U.S. Coast Guard-approved life jacket or work vest shall be provided for each person aboard. It is recommended that such life jackets and work vests be capable of floating an unconscious person with his/her face out of the water.
(b) Two ring buoys, 30 in. (760 mm) in diameter, each with at least 90 ft (27 m) of line, shall be provided.
(c) For night operations, one of the life rings shall have water lights attached to it.
8-1.3.6 Rescue Skiff
A rescue skiff with oars and a ring buoy 30 in. (760 mm) in diameter with at least 90 ft (27 m) of line shall be provided.
8-1.4.1 Guards
(a) Electrical equipment shall be so located or enclosed that live parts will not be exposed to accidental contact under normal operating conditions.
(b) Electrical equipment shall be protected from dirt, grease, oil, and moisture.
(c) Exposed moving parts that might constitute a hazard under normal operating conditions, such as gears, ropes, set screws, projecting keys, chains, chain sprockets, and reciprocating components, shall be guarded.
(d) Guards shall be secured.
(e) Guards shall be capable of supporting, without permanent distortion or making contact with electrical or moving parts, the weight of a 200 lb (90 kg) person, unless the guard is located where it is improbable for a person to step on it.
(f) Brake(s) and clutches shall be provided with rain and spray guards unless otherwise protected.
8-1.4.2 Lubrication
Lubricating points should be accessible without the necessity of removing guards or other parts.
8-1.4.3 OperationaL Aids
The crane and/or device manufacturer’s instructions shall describe the purpose of the device.
(a) Two-Blocking Features
(1) Telescopic boom cranes shall be equipped with an anti-two-block device or a two-block damage prevention feature for all points of two-blocking (e.g., jibs, extensions).
(2) Lattice boom cranes shall be equipped with an anti-two-block device or a two-block warning feature that functions for all points of two-blocking.
(b) Load Indicators, Rated Capacity Indicators, and Rated Capacity Limiters. All cranes with a maximum rated load capacity of 6,000 lb (2 720 kg) or more shall have a load indicator, rated capacity indicator, or rated capacity (load) limiter.
(c) Boom Angle Indicator. See para. 8-1.11.1(c).
(d) Boom Hoist Disconnect, Shutoff or Hydraulic Relief See para. 8-1.11.1(d).
(e) Boom Length Indicator. See para. 8-1.11.1(e).
(() Drum Rotation Indicator. See para. 8-1.6.2(k).
(g) Lower Travel Limit Switch. See para. 8-1.8.7(a).
(h) Machine List and Trim Indicators. See para. 8-1.4.4(e).
8-1.4.4 MisceLLaneous Equipment
(a) A U.S. Coast Guard-approved portable fire extinguisher with a basic minimum rating of 10 BC shall be provided in the crane cab and outside the machinery spaces at all times.
(b) Equipment of a permanent nature, such as tool boxes, shall be secured to the crane derrick or deck.
(c) An audible warning device shall be provided. The controls for the device shall be within reach of the operator.
(d) Fuel tanks should be equipped with a self-closing filler cap. Where gasoline is the fuel, a flame arrester should be provided on both fill pipe and vent lines.
(e) Means shall be provided for the operator to visually determine the machine list and machine trim.