Item 1: PH on Ordinance Amending Metro Plan (Delta Sand and Gravel)

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19. Comply with the Fugitive Dust Control Program, required by LRAPA permit no.20119 for the expansion area, which will be added to the permit. 20. Conduct mining in phases to minimize the size of the disturbed area at any one time. 21. Vegetate mined areas to reclaim the land and minimize erosion and dust generation except where open water features exist in the reclamation plan. GROUNDWATER Condition proposed by the applicant: 22. Construct a low-permeability barrier in advance of proceeding with excavation in the expansion area consistent with the recommendations of EGR. Existing Conditions in the Current DOGAMI Operating Permit (file record No. 17): The permittee shall: 1. be sure all water leaving this operation complies with DEQ’s effluent quality requirements. 2. maintain the dike between the site and the Willamette River so that the river does not erode into the pit. 3. construct perimeter roads on Confluence Island in a manner that they are armored against erosion. 4. follow the reclamation and operating plan labeled site 20-0131 for reclamation on Confluence Island. 5. comply with DEQ requirements regarding the backfilling activities in the main Delta Pit. 6. respread a minimum of 12 inches of topsoil over all reclaimed areas. 7. create fill slopes not to exceed 2H:1V, excavated slopes not exceeding 1.5H:1V, and pond slopes not to exceed 3H:1V to 6 feet below the low water level. 8. submit a Plan for Mining to the Sand and Gravel Review Committee for review of criteria in Lane Code 16.217 for review and approval. 9. obtain any necessary permits from regulatory agencies with hydrologic responsibility for plan approval. Ordinance No. PA 1238 – Exhibit C Conditions Delta Sand & Gravel Page 3