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:::;~90;;;'.';';.::>'?::>::>:>i%'~'el~tlvep...;eg>tiv3tsr~i - WESTERNFUELS-COLORADO <br />..:: re~~~:~~:>r~a~ . III lllllllllllll III NEW HORIZON MINE <br />PF ol(Ito175)AninepurraleMiswstaaM 999 BLAST DESIGN <br />;d5~:`; `." `.-:'::: ±:''KC!LCri._::''; JOB NO. <br />412 <br />52 ary Holes tact vewn 7 6.25 BIT SIZE <br />11 ceanMnaes xaACVE,wn t 6.25 BORE HOLE DIAMETER (INCH) <br />1 wet ~Oles seXC eFNaAr IUNEO) t 48.00 DEPTH <br />64 lWl aaAGPEN41IyNED1 7 13.00 BURDEN <br />19.7 ESTIMATED DRILLING OPHRS 11 15.00 SPACING <br />1.12 POWDER FACTOR <br />24,057 txy for this shot (includes subdrilling) 1,600 NEAREST DWELLING (FT) <br />22,187 BGY FOR THIS SHOT (NO SUB-0RILLING) 43,96 SCALE FACTOR <br />XX ACTUAL SEISMOGRAPH READING AT NEAREST DWELLING <br />64 HOLES IN THIS PATTERN <br />. .......... ...... ........ ........ ...... 8.90 STEMMING <br />26.287 actual lbs of ANFO hom mwlce <br />26,283 APPROXIMATE TOTAL LBS OF PRODUCT IN UPPER DECK <br />37 7 FT OF PNFO <br />..... .... ..... .. ... ........ 470.7 LBS OF ANFO <br />2.27 SAFETY FACTOR (BIGGER IS BETTER!!) <br />1 325 MAXIMUM ALLOWABLE LBS PER DELAY(BASED UPON SCALE <br />396 ACTUAL LBS OF EXPLOSNE/BMS QF KNOWN) <br />582.4 PROJECTEG MAXIMUM LBS PER BMS DELAY <br />PROCEED MASTER BLASTER <br />SK aaual ICs of SLURRY hom inwiee <br />582 APPROXIMATE TOTAL LBS OF SLURRY IN BOTTOM DELK <br />9 I LBS OF SLURRY <br /> .~~~aHDLES::~~~:~: <br />peanut hole ~~ ~:: . :. ~~~ ~: ~:~~11.~~: ~..~ <br /> <br />dry nae <br />~ ,. <br />52 <br />wet hole ~. ~ 1 ~: <br />>~cv <br />. 50:2433 <br />•;D.2101 <br />50.3975 <br />50.219 <br />BLASTING COSTlBCY ONLY <br />DRILLING COSTlBCY:ONLY <br />TOTAL-DRILLING & BLASTIN <br />w2 avereage 64 <br /> r HDLEs <br />peanut hyak 11 <br />tlry hole 52 <br />yet !tole 1 <br />kcallbcy <br />0.359 AVERAGE 4Y70Yibn loop pal sauspe In wafer zone <br />7.188 POUNDS OF PRODUCT <br />0.96 AVERAGE HEIGHT OF GEIl COLUME <br />4.6 AVERAGE DEPTH OF WATER (inches) (LESS THAN 8 only In weppeanN ndesul <br />yam., ESTIMATED COST PER BCY <br />~`~~p(~:"~IS%' C057 OF MATERIAL 8 SUPPLY IN ONE HOLE <br />430 <br />454 27.00 HOURS OF LABOR (loading boreholes) <br />511 1,250 DRILL RATEISHIFT (FTIBHOURS) <br />98% ANFO IN THIS SHOT <br />vn avereape 64 451 <br />c,Ca,a,O~PaeLASIIe LAST MaI.ws ovwns uno sy <br />