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Job Breakdown Sheets
Breakdown No. 11
Examining the Working Place
(C) At the Ripping Lip
1: Examine the roof.
2: Examine the sides.
3: Examine the supports.
4: Test for gas.
5: Examine machinery, cables, etc.
| (a) |
Ensure that the forepoling girders are advanced far enough to support the roof exposed in advance of the roadway supports.
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| (b) |
Test the roof and pull down any loose stones.
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| (c) |
Set extra covering wood above the forepoling girders if necessary.
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| (d) |
Set temporary props if required.
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| (a) |
Examine for loose or unsafe stones. Pull these down and secure the sides if necessary by covering materials and sprags.
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| (b) |
Examine the face of the ripping — pull down loose or unsafe stones. See that the supports set to the face of the ripping are secure and extend across the whole width of the ripping face.
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| (c) |
See that the pack walls are properly built and are secure.
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| (a) |
See that the caunch girder is set securely.
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| (b) |
See that the supports set under the ripping are set in accordance with the Colliery Support Rules.
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| (c) |
Replace any of the supports which are damaged.
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| (a) |
Test for gas in the area of the ripping face and under the ripping.
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| (b) |
Withdraw and report immediately the presence of any gas to the deputy or official in charge of the district.
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5: Examine machinery, cables, etc.
| (a) |
Ensure that all machinery or cables are properly protected where work to be undertaken may cause damage to them.
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| (b) |
Ensure that everything is in order and that the structure is correctly aligned before switching on the motor of a conveyor.
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| (c) |
Ensure that the cable and switchgear are not damaged in any way before switching on the power.
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