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G4 S <br />Culvert #6: <br />Remove rip rap outlet dissipator as constructed. Install rip rap lined <br />plunge pool' per USACE guidance. <br />Proposed Schedule to Complete Restoration at Non-Permitted Crossings <br />Complete Detailed Design- 7/1/06 <br />Complete Construction- 10/1/06 <br />Action Item #4: Restore Non-Permitted Temporary Sanitary Sewer Stream Crossings <br />Two temporary s os ' ere inst, led d ction of the sanitary <br />sewer that were no em cd folio acti s : r ro, se at T.C. #1 and T.C. #2 <br />(per the existing c ditio <br />Remove temporary pipe and restore channel. The restoration will mimic <br />original longitudinal grade and cross-sectional geometry. <br />® Proposed Schedule to Complete Restoration at Non-Permitted Sewer Crossings <br />• Complete Detailed Design - 6/15/06 <br />• Complete Construction - 9/1/06 <br />Item #5: Mitigation Plan <br />Upon completion of the restoration efforts described above, mitigation is offered for the <br />portion of the perennial streams that were impacted and not restored (i.e. culvert and rock <br />outlet protection). <br />Culvert <br />ID 4 <br />Stream <br />Mitigation Ratio <br />Stream Impact <br />length <br />(ft) <br />Proposed <br />Mitigation length <br />(ft) <br />1 <br />2:1 <br />130 <br />260 <br />8 <br />2:1 <br />130 <br />260 <br />Total Proposed Mitigation Length <br />520 <br />The County will provide mitigation through the following activities. <br />11 <br />-4- <br />