Underground mining equipment proximity detection systems .
Mining Equipment Fleet - 10,000 tonne per day (ore + waste) open pit mine. The following listings of equipment capital and operating costs are taken directly from the current Mining Cost Service Manual and Mine and Mill Equipment Cost Estimator's Guide.In addition to the items listed here, these manuals contain entries for 74 additional excavators, 50 additional haulers, 16 dozers, 6 graders .mining equipment based upon the recommendations of the Bureau of Mines. It was only later, in 1946, that a federal safety code for bituminous coal and lignite mines was enacted. Ultimately, the Federal Coal Mine .