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APPROXIMATE EXTENTS <br />OF EXCAVATION REQUIRED <br />II <br />O <br />I <br />00 <br />, _!1 <br />TYPICAL PLAN OF EXCAVATION EXTENTS <br />S2.8 S2.8 NOTES: 1/809 = 1' -0" <br />1. SEE GENERAL NOTES FOR ADDITIONAL INFORMATION AND REQUIREMENTS. <br />2. LISTED EXCAVATION VOLUMES ARE BASED ON APPROXIMATE GEOMETRY OF EXISTING CONDITIONS, <br />AND ARE TO BE USED FOR REFERENCE ONLY. CONTRACTOR SHALL BE RESPONSIBLE FOR <br />EXCAVATING AS REQUIRED TO COMPLETE THE WORK & MEET CLIMAX SAFETY REQUIREMENTS. <br />3. EXCAVATION EXTENTS SHOWN ARE APPROXIMATE, BASED ON INTERPRETATION OF EXISTING GRADE <br />FROM PHOTOGRAPHS. ACTUAL EXCAVATION REQUIRED VARIES AT EACH DROP TOWER. <br />4. GRADE TYPICALLY SLOPES UPHILL TO THE EAST, POSSIBLY REQUIRING GREATER EXCAVATION <br />VOLUME THAN LISTED IN THESE DRAWINGS, AND /OR EXCAVATION OF ROCK IN ADDITION TO <br />REMOVAL OF ACCUMULATED LOOSE TAILINGS. <br />5. ALL EXCAVATION CUTS DEEPER THAN 3' -0" REQUIRE 1:1 SIDE CUT SLOPE UP TO EXISTING <br />GRADE, TO COMPLY WITH CLIMAX /HENDERSON SAFETY REQUIREMENTS. <br />6. WHERE EMERGENCY CUTOUT (ECO) PIPE EXISTS TO WEST OF PIPE SHOWN (TYP. TOWERS 1 -7), <br />EXCAVATION SHALL NOT DAMAGE OR UNDERMINE THE ECO PIPE. <br />NOTE: ALL EXCAVATION QUANTITIES <br />LISTED ARE APPROXIMATE, BASED <br />ON INTERPRETATION OF EXISTING <br />GRADE IN PHOTOGRAPHS - NOT <br />SURVEYED TOPOGRAPHIC STUDIES. <br />DWG. NO. <br />REFERENCE DRAWINGS <br />DESCRIPTION OF REVISION <br />ISSUED FORBID WALK <br />DATE <br />2 -28 -14 <br />BY <br />JLK <br />APP BY <br />VENTILATION <br />MECHANICAL <br />ENGR: JLK <br />DRAWN BY: JP <br />2 -28 -14 <br />2 -28 -14 <br />HENDERSON OPERATIONS <br />ffi Climax Molybdenum <br />0 A Freeport-McMoRan Company <br />EMPIRE / PARSHALL, COLORADO <br />303- 569-3221 <br />HENDERSON MILL <br />TAILINGS DROP LINE <br />EXCAVATION ELEVATIONS <br />STRUCTURAL <br />CHECKED BY: JCB <br />2 -28 -14 <br />ELECTRICAL <br />APPROVED BY: <br />PIPING <br />APPROVED BY: <br />SCALE: AS NOTED <br />OTHER APP BY: <br />PROJ. NO. 13024 SHT S28 REV. <br />