Check that the Tyres / Tracks are at the correct pressure and in good, clean condition.
Check that the Crane is kept at a safe, predetermined distance from open excavations, etc. 7Meters
Check that, when travelling, the load is carried as near to the ground as possible and that hand lines are being used.
Check that when travelling on sloping ground the driver changes the radius to accommodate the moving of the load OR !
Shock loading a Boom can result in this ! Fall of three people 20 m. 20 Meter SHOCK LOADING !
Check that loads are not being slewed over persons and that persons and that persons are not standing or walking under the load. NO!
Automatic safe load indicator All Cranes with a lifting capacity in excess of 1 ton must be fitted with an approved type of automatic safe load indicator.
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.
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.
The red light will be supported by a bell to give an audible warning of overload.