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_.7-~ .~' <br />• Ed'; Excavating L^.c. <br />Ju'.y 14, 1992 <br />Page 7wv <br />Pits 5 and 6 <br />• Remove Pond 5/6 principal spillway culvert and riser <br />• Construct emergency spillway for Pond 3/6 <br />• Redutt the Slope on the south end oC the Pond 5/6 to 5H:1V for livestock acrrss <br /> and to buttress east slope <br />• Remove Pond 5 irtles culvert <br />• Riprap Pond 5/6 inlet and emergency spillway (55 ry D~ - IS inch, 40 ry Dya <br /> - 12 inch, and 20 ry d„ - 6 inch) <br />• Remove dean water diversions above Pit 6 and an the north side of Pit S (2500 <br /> In ft) <br />• Breach the clean water diversion above Pit 5 (hand work) <br />• Remove culverts and repiam with California Crossings on Ditches 3-1 and 6-2 (5 <br /> ry per crossing. D• - 3 inch) <br />• Remove contour ditch above Pic 5 access road and reestablish dIteh at reduced <br /> gradient (40G In ft) <br />• Remove diversion ditch on the southeut side of Pi. ~ ~;;: Ridge <br />• Rzconswa Ditches S•1, 5.2, 5.3, b•1 and 6.2 (5,000 in ft~ and riprap Ditch 5.2 <br /> aad the lower section of Ditch 6.1 (150 ry, D„ - 12 inch) <br />• Reseed and mulch disturbed area (5 acres) <br />• <br />Pit 1 <br />• Remove adverts and repla« with ripnpped California Crossings on the access <br />road to Pit 1 (5 ry per crossing, D„ - J inch) <br />Pita 2 aad 3 <br />• Backfill and regrade Ponds 2 and 3 to blend with surrounding terrain (8,000 ry) <br />• Remove diversion Ditches 2-1, 2-2, 3.1, and 3-2 (4,000 In ft) <br />• Reseed and rtulch disturbed azeas (5 acres) <br />• Remove culverts and replace with ripnpped California Crossings along Pit 2 and <br />3 access roads (5 ry per aossing, D~ - 3 inch) <br />A pre•bid meeting will be held to review requiremenu for cacti task and address any questions <br />you my have. At this meeting, copies of maps showing design information and final <br />co~guntions will be provided for use in preparing a bid selected package. The meeting will <br />be held ac the mine site at 10:00 AM on Monday, Julp 2q 1992. <br />The contractor will be responsible for grade wntrol and documentation of all work performed. <br />In addition, the contractor will be responsible for providing all labor, equipment, materials and <br />supplies necessary co comple[e the required work. An ACZ representative will work closely <br />with the contractor and must auchoriu all work and approve completed work prior to <br />payment. <br />• :.m-,a. <br />0/IIYi IM <br />