Dredges and other floating installations

Pages50-53
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15. Dredges and other floating installations
15.1. Scope
15.1.1.1. For the purpose of this section, the term "dredge" includes any floating
vessel used for cutting, pumping or treatment purposes, and other machinery to be used
for or in connection with mining by means of dredging.
15.1.1.2. The term does not include a barge, workboat, tender, anchor punt or
other boat ancillary to dredging operations.
15.1.1.3. Nothing in this section should be construed as limiting or affecting such
other laws or regulations as may apply to river or sea-going vessels.
15.2. Approval by the competent authority
15.2.1.1. A dredge, floating treatment plant or other vessel should not be used in
mining unless it has received the authorisation of the competent authority.
15.2.1.2. The application for authorisation or use by the competent authority
should be accompanied by:
15.2.1.2.1. drawings and specifications of the dredge, floating treatment plant or other
vessel;
15.2.1.2.2. buoyancy calculations in respect of the vessel made by a competent person;
and
15.2.1.2.3. the results of all buoyancy tests carried out in respect of the vessel.
15.2.2.1. In giving authorisation, the competent authority should specify therein
the approved load line that has been assigned to the dredge or floating treatment plant.
15.2.2.2. The competent authority should not assign to any vessel a load line such
that the vessel would thereby have a freeboard of less than 150 mm.
15.2.2.3. The load line so assigned to a dredge or floating treatment plant should
be clearly marked in an approved manner.
15.3. Personnel
15.3.1. No person should act, or be permitted or employed to act, as a winchman
or winch or cutter operator unless he has been authorised by the manager, who has
satisfied himself as to the competence of the operator.
15.4. Safety precautions on board dredges
15.4.1.1. The hull of a dredge or other vessel used for mining should be kept
sound and watertight.

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