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Line 29:
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→Hard rock core handling: quant
* Never put anything (such as hands or feet) under the core.
* Never put anything (such as hands or feet) under the core.
* Always run the core barrel back to the floor before releasing the core. Stand the barrel on the floor and raise the barrel. This prevents the core from dropping and shattering on the floor. An alternative is to extrude the core on the catwalk.
* Always run the core barrel back to the floor before releasing the core. Stand the barrel on the floor and raise the barrel. This prevents the core from dropping and shattering on the floor. An alternative is to extrude the core on the catwalk.
* Never raise the core barrel more than 18 in. before breaking off.
* Never raise the core barrel more than [[length::18 in]] before breaking off.
* Bag all core rubble.
* Bag all core rubble.
* Support core to keep it from breaking while moving to core boxes.
* Support core to keep it from breaking while moving to core boxes.