Tips, dams and lagoons

Pages33-34
33
10. Tips, dams and lagoons
10.1. Tips
10.1.1.1. It should be the duty of the manager of every opencast mine, where it is
proposed to tip mine discard or refuse of any kind, to establish that the proposed site is
suitable and safe in all respects, taking into account the protection of the environment
in the vicinity.
10.1.1.2. In assessing safety and suitability, consideration should be given to
safeguarding the safety of the population during normal tipping operations and also in
the event of a tipslide.
10.1.1.3. Tips and stockpiles should be so designed and operated as to ensure the
necessary on-site safety.
10.1.2.1. A competent person should conduct investigation of the foundations and
analysis of the possible causes of failure, and then design all proposed tips. The
competent person should also prepare operating procedures for each tip which should
specify a maintenance and inspection schedule and detail the problems and signs of
weakness or danger in the vicinity which must be drawn to the mine operator's
attention.
10.1.2.2. A geological map of the area should also be provided.
10.1.2.3. The plans, sections and geological map should be kept at the office of
the mine.
10.1.3. A record of the refuse tipped should be kept by the person responsible for
the safety of the tip.
10.1.4. It should be the duty of the manager to appoint competent persons who
will supervise tipping operations, inspect and report upon the safety of the tip and be
responsible for its general security.
10.1.5. It should be the duty of the manager to prepare tipping rules which should
include:
10.1.5.1. provisions for a system of drainage for the tip;
10.1.5.2. the maintenance in proper order of the drainage system;
10.1.5.3. the manner in which tipping operations are to be carried out in order to avoid
any dangerous occurrence and prevent danger to persons;
10.1.5.4. the nature and frequency of tip inspections, including the examination of
movement monitoring systems, where necessary, and the reporting thereon;
and
10.1.5.5. the action to be taken in the event of a defect or other dangerous condition.

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