![]() Mining reclamation, or settling pond maintenance and fines recovery.The dredges visited were engaged in eight categories of work: It was desirable to compare hazards and safety practices on these dredges to hazards and practices observed at mining operations. They are owned and operated by government agencies. These five used dredges identical to those employed in some mining operations, but in construction and maintenance work. Most of the operations were engaged in mining minerals for commercial markets. The dredge operations were in ten states as follows: The following subsections describe the dredge operations observed. Visits to MSHA subdistrict offices also produced suggestions about operations which should be included in the hazards analysis. Discussions at one operation invariably suggested visits to others which were using different equipment and different mining plans.Many dredge owners were very cooperative in arranging visits to their operations, making it possible to schedule several visits on a single trip. ![]() It was desirable to sample mining dredges of several types, mining a variety of minerals, and operating in different geographic areas, for sound hazard analysis.There were several reasons, but the most important were: Although the number of field trips made was the same as originally planned, 31 dredges were visited. The contract requirement was that nine mining dredge operations be visited to gather data on the operations, their safety hazards, and their safety management. ![]()
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