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maintenance free dewatering mechanism with minimal potential for failure. The Division determined the <br />existing dewatering ryslem which relies on a siphon to be unacceptable due to the high level of monitoring <br />and maintenance necessary to ensure continued functioning, and the potential negative consequences [o <br />public safety and water quality, should the system fail. Operator is to submit an amended plan by October <br />5, 2000. ~' <br />Technical Revision (TR) 34; Final Reclamation Sediment Conyol for 2-West Portals and South Fan Areas <br />TR-34 was deemed complete Sept. 5, 2000. An adequacy letter was forwarded to the operator on <br />September 19, 2000, which requested modification of appropriate maps to depict location of silt fencing <br />and berms associated with final reclamation sediment convol at the 2-West Portals, South Fan, and the <br />South Fan borrow area. Silt fence sedimentation modelling indicated that the proposed design would be <br />adequate, and it is likely that the revision will be approved upon submittal of the amended maps. Final <br />grading, seeding and silt fence installauoo-is scheduled for this fall. <br />