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CRAPTERTWO <br />Agency Prcfelned Alternatirre <br />• Maximize the number of local construction and operations hires. <br />• Purchase materials or supplies from the local azea. <br />• Hire qualified low income or minority workers. <br />• Train local workers to become operators. <br />2.3 MITIGATION AND MONITORING PLANS <br />2.3.1 Pipeline Plan of Development <br />The Pipeline Plan of Development includes a more detailed description of the pipeline than was <br />available at the time of the Draft EIS. It is based on design by The Williams Companies, a <br />project partner with American Soda. A copy of the plan can be found in Appendix E of this <br />Final EIS. The Pipeline Plan of Development includes the following components: <br />• Design specifications (Section 2), including pipeline product characteristics (Table 2-1) <br />• Construction methods (Sections 3.1 and 3.3) and standazd pipeline construction <br />specifications (Attachment 2) <br />• Environmental protection measures for cultural resources, paleontology, protected species, <br />and weed management (Section 3.2) <br />• Reclamation and erosion control (Section 3.4 and Attachment 6), including monitoring and <br />evaluation of reclamation success <br />• Operational phase pipeline corridor maintenance (Section 4.1) <br />• Pipeline spill contingency (Sections 4.2 and 4.3, and Attachment 7) <br />• A copy of the Section 404 Permit (Attachment 5) <br />2.3.2 Subsidence Monitoring Plan <br />The Subsidence Monitoring Plan includes both surface and subsurface monitoring of potential <br />vertical ground movement at the Yankee Gulch Project. The Subsidence Monitoring Plan is <br />provided in Appendix F of this Final EIS. Subsidence monitoring would be perforated <br />throughout the commercial operating life of the project and results would be checked <br />periodically, as needed, to verify and calibrate numerical models used in the design of the well <br />field layout. <br />Surface monitoring would be conducted by surveying monument locations. Subsurface <br />monitoring would be conducted by downhole instrumentation over cavities and by borehole <br />geophysical logging of the overlying strata. Highlights of the plan are provided below. <br />Surface Subsidence Monitoring <br />• To monitor potential subsidence at the surface of the initial mine panel, 27 monuments would <br />be established and surveyed prior to mine start up and throughout the life of the project. <br />2-7 <br />