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CHAPTERFOUR ElnuilrolnlmelntalGonsequences and Mitigation <br />Four-Quadrant Traffic Control Devices <br />Permanent impacts would be similar to those described for the proposed action. Temporary <br />construction impacts would be slightly greater, as it would take longer to construct the railroad <br />crossings. <br />Transmission Line Alternative A <br />There would be no impacts to transportation from this alternative. <br />Transmission Line Alternative B <br />There would be no impacts to transportation from this alternative. <br />Transmission Line Alternative C <br />There would be no impacts to transportation from this alternative. <br />4.1.7 Utilities <br />No Action Alternative <br />Under the No Action Alternative, mining development would not occur, and there would be no <br />changes to existing utilities. <br />Proposed Action Alternative <br />The development of a new mine will necessitate the creation of many new utilities, such as new <br />electric transmission lines to the mine area, and a water pipeline. These new utilities are <br />described in detail in Chapter 2 and are part of the proposed action. <br />The intent of this Utilities section is to describe impacts to other existing utilities that would <br />result from any of the components of the proposed action being implemented. <br />There are no known large utilities such as large gas or oil pipelines that would be disrupted as a <br />result of the proposed action. <br />Railroad and Water Pipeline <br />During the construction of the railroad and water pipeline, there may be minor utilities such as <br />underground phone lines and small electric distribution lines that would have to be cut and <br />replaced or moved. Identification of these small utilities will occur as part of the preconstruction <br />efforts by the contractor who will be building each component of the proposed action. <br />Transmission Line <br />Construction of the transmission line would not disrupt other utilities. Where the new <br />transmission line would displace existing distribution lines, the distribution line would be <br />reconstructed as an underbuild line on the same poles that carry the transmission line. <br />Temporary Impacts <br />Temporary impacts may result from construction of the project linear facilities. These impacts <br />may include temporary power outages for area residents that would be affected by the <br />4-26 <br />DBMS 581 <br />