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Vantage to Pomona Heights Chapter 2 230 kV Transmission Line Project FEIS Proposed Action and Alternatives PAGE 2-45 Table 2-5 Underground Disturbance Assumptions PROJECT FEATURE AREA Access Roads: See Section 2.2.3.2 and Table 2-4 Short-term Disturbance Work Area 60 feet wide; 7.3 acres per mile Long-term Disturbance Duct Bank 10 feet wide; 1.2 acres per mile Splice Vaults Included in 10 feet wide duct bank area 2.3 REQUIRED DESIGN FEATURES COMMON TO ACTION ALTERNATIVES The RDFs described in this section have been incorporated into the proposed Project design and would be implemented during construction and operation of the Project. RDFs were previously referred to as Project Design Features in the DEIS and SDEIS. RDFs are environmental protection measures designed to avoid or minimize environmental impacts from Project construction, operation, maintenance, and decommissioning activities. These are items that Pacific Power has committed to implement as part of the Project development. The RDFs address identified Project impacts. They were developed through an iterative process during the impact analysis with Pacific Power, BLM, and Cooperating Agencies. The process involved conducting the impact analysis and then adding standard operating procedures, environmental protection measures, and best management practices to the Proposed Action and Action Alternatives. Initial Project impacts were determined including the implementation of the applicable RDFs. Mitigation Measures identified in Chapter 4 would be applied to reduce initial impacts identified (see Section 4.1.1). The RDFs in this section are intended to reduce impacts to specific resources, (e.g., cultural, biological, visual resources). Should an agency decide to grant a project authorization, the agency would use the POD, as it may be improved and revised from time-to-time, in crafting a ROW Grant, permit, or other written Project approval. Such approval will be consistent with applicable federal, state, and local laws, regulations, and policies. 2.3.1 General GEN-1: All construction vehicle movement outside the ROW corridor will be restricted to pre-designated access, contractor-acquired access, or public roads unless approved by the authorized land managers and/or landowner. GEN-2: The spatial limits of construction activities will be predetermined with activity restricted to those limits. Land management agencies and landowners will approve all construction spatial limits in coordination with Pacific Power’s construction contractor. No paint or permanent discoloring agents to indicate survey or construction activity limits will be applied to rocks, vegetation, fences, structures, etc. Work areas will be identified and sensitive areas will be flagged as described in the POD to alert construction personnel that those areas are to be avoided. GEN-3: In construction areas where re-contouring is not required, vegetation will be left in place wherever possible and the original contour will be maintained to avoid excessive root damage and allow for re-sprouting. Disturbance will be limited to overland driving where feasible to minimize changes in the original contours.