ngi-cranes-part 04
TRANSCRIPT
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Check that the Tyres / Tracks are at the correct pressure and in good, clean condition.
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Check that the Crane is kept at a safe, predetermined distance from open
excavations, etc.
7Meters
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Check that, when travelling, the load is carried as near to the ground as possible and that hand lines are being used.
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Check that when travelling on sloping ground the driver changes the radius to accommodate the
moving of the load OR !
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Shock loading a Boom can result in this ! Fall of three people 20 m.
20 Meter
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Check that loads are not being slewed over persons and that persons and that persons are not standing or walking under the load.
NO!
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Automatic safe load indicatorAll Cranes with a lifting capacity in excess of 1 ton must be fitted with an approved type of automatic safe load indicator.
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It is the responsibility of the operator to:(a) Determine the type of Indicator fitted;(b) Determine how the adjustments are
made;(c) Ensure that it is correctly adjusted for
the various lifting duties;(d) Ensure that the electrical circuit is
tested for serviceability;(e) Take immediate action when an
overload is indicated.
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The signals given by the indicator take the form of colored light, a dial indicator or both and a bell.
Green/white -- Indicator adjusted for ‘free’ duties
Blue -- Indicator adjusted for ‘blocked’ duties
Amber -- Maximum safe load being approached
Red -- Overload condition reached.
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The red light will be supported by a bell to give an audible warning of
overload.
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Always use Tag Lines !
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Certification
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Certification
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Certification
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Thank you Thank you for your for your
attention.attention.
Thank you Thank you for your for your
attention.attention.