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<br /> <br /> <br /> <br /> <br />l"1 <br /> <br />CJ <br /> <br />SEISMOGRAM ANALYSIS SHEET <br />lz <br />Page of <br />Date 7_g_79 <br />Instrument Type_VS-1100 Instrument with Sprengnether 5-6000 aeop}x <br />Contractor/Client Winslow Construction <br />Location Deer Creek Canyon Pock Type granitic_gneiss <br />Type of Blasting Operation Simultaneous 600 lbs, quarry bench location <br />Hole Depth 10 feet Number of Holes 70 " <br />Total Explosive 600 lbs. Explosive Type Unigel 608 <br />Max. Explosive per Delay 600 No. of Delays none <br />Recording Site overhang' ridge behind house <br />Distance from Blast to Seismograph <br />Linear 916 feet Scaled <br />Distance from Blast to Structure <br />7 <br />feet <br />feet <br />Structure Type 30'x50' inhibited dwelling with detached 2-car garage <br />Comments: This overhan , as well as a rock eak to the northwest <br />present roc a azards to said structure. Outcro is thorou hl <br />loin e , we west ere with talus slopes below both features. <br />e~ <br />~. <br />~ , <br /> <br />AMPLITUDE FREQ. GAIN VELOCITY SOUND LEVEL <br />(in) (hz) (x/mm) 1 (in/sec) (db) <br />L n_65 50 5 in/in/sec_~sec - <br />Z 0.89 0-P ~~ 5 in/in/seC -1F in ec = <br />T 0.60 0-v ~_ in/in/sec -~~ ;n/sec <br />4th <br />Average 0.14 in/sec <br />Reduced by Dean Brooks Vectcr Sum n_z4 ;.,/sac <br />