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IRIS <br />MITIGATION AND DESIGN, INC. <br />SCHWARTZWALDER MINE PHASE 1 - UPSTREAM CUTOFF WALL AND LOW FLOW BYPASS <br />PIPELINE - BIOLOGICAL ASSESSMENT <br />The remaining 1.3 acres of temporary impact to previously disturbed upland and PMJM riparian habitat <br />is due to need for dewatering activities, BMP placement, construction and equipment staging and <br />access. These areas will be restored to pre- construction conditions after either Phase 1 construction <br />or final Phase 3 construction is done. <br />Lastly, proposed temporary disturbances to previously undisturbed PMJM riparian habitat (0.14 acre) <br />and previously undisturbed PMJM upland habitat (0.15 acre) are also due to dewatering activities, BMP <br />placement, and construction access (see Figures 7 through 9 and Table 10). These areas will be <br />restored to pre- construction conditions after either Phase 1 or final Phase 3 construction is done. <br />Page 33 August 2011 <br />