Abstract
This article deals with issues of the quarry drill rigs operation. They are the rigs with top hammer, or down the hole hammer drills, primarily used during the preparation of blasting. The article is focused on the monitoring of costs and economic management. The introductory part of the article provides a description of all costs, and their division to fixed and variable costs. In the next part, figures of particular costs are provided for specific selected locations in the Czech Republic. Also, the article deals with proposals for the monitoring, evaluation, and reduction of the costs. Separately, the fixed costs are covered, with the evaluation of turn points in various conditions. The proposals for the reduction of variable costs are provided separately. In the article conclusion, summary of recommended measures is provided. Key words: drill rig, costs monitoring, blasting.
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