There is no uniform answer to how the rigs at the mine pumping station were fitted with a leg cushion. This uncertainty is magnified by the fact that earth, material and equipment may change on a daily basis in the periphery of the pump house and in an intermittent ground line, in particular by the possible weakness of well cover, backfill and underground facilities. The meaning of the introduction of modularized products is the availability of installed, detectable and recoverable engineering measures after a clear boundary.
When an input list is established, the crane ' s condition, the length of the crane ' s arm, the turning position, the maximum retroactivity of the leg, the size of the foot and the base load shall be placed in the same table, with an indication of the data source and date. With regard to possible weaknesses in well cover, backfilling and underground facilities, the recommended direction is to select a full support area and to place a quarantine and review point after mapping. The specification of the leg pads, the size of the mass, the temperature range, the connection method and the test conditions are then compared; if the support basis or the test method of the two suppliers is different, the nominal data cannot simply be arranged horizontally.
Figure: Heavy and non-continuous perimeter of the pump house
If on-site space is restricted, progress cannot be moved by reducing the necessary coverage or moving points to the edge. The traffic organization, equipment station or installation sequence should be re-checked to allow for full support areas to be selected after surveying and sufficient implementation space for isolation and review points. The leg pad extended the area of stress but could not repair the unsatisfactory foundations. The first round of operations is reviewed immediately after completion, and early relaxation or relocation is usually easier to correct than long-term damage.
The site inspection should not simply be “normal”. Deposition, slide, edge distance and underground facilities should be selected on a case-by-case basis and anomalies should be classified into three levels of observation, restriction and decommissioning. In the event that the re-emergence of well covers, backfilling and underground facilities in the same area may create a weakness point, the engineering worksheet should be created. The removed plates or pads are cleaned, dry, flat and stored in salaried areas.
For temporary roads, the number of crashes, the length of blockages and surface repairs can be used as indicators; for leg support, the logs are evened and down; for carriage liners, the residue rate, lifting time and steel plate maintenance are tracked. Select two to four matches to this topic. As long as the calibre is fixed, changes in well cover, backfilling and underground facilities may result in weaknesses can be objectively identified.
The safety floor does not change due to the tight working schedule. In the event of an unknown foundation, posturing of equipment in excess of the Manual, damage to components or failure to isolate persons, operations should be suspended and approvals upgraded. Any improvements to well cover, backfilling and underground facilities that may result in weaknesses must be identified without introducing new slides, overloads, tripping or maintenance risks.
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