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BCack,~VVing BLAST AND SEISMOGRAPH ANALYSIS <br />Company ~T~_T~T~iALOperation: Name ~~~ y/T.y (~ ~ra.c..ey Coal ^ Quarry.. Constr. ^ <br />State _ ~ Le Other <br />Shot No. ~ Burden 8 ft. <br />Date l~- ~~ -q~ Spacing ~_ft. <br />Tlme (~1= 3G Diameter _y~in <br />No. Holes (°~Stemming eft. <br />Depth x'12 ft. Stem. Type Der , <br />Exact Blast Location o? >B~N~~ Es <br />BLAST DA <br />Total Explosives33G~lbs. Max.Explo./Delay ~ lbs. <br />lbs. Max. Holes/Delay ~ <br />_ lbs. Dist. Nearest Bldg. ft.r <br />lbs.. Dir. Nearest Bldg. 5 <br />r~ ~ "r~~ 3 lbs. Weather L~~ <br />F~w~ .KpiTa,~ Blaster's Comments o~ <br />SEISMOGRAPH DATA <br />Tel ~~- VIBRATION MEASyREMENTS <br />c! !` i~cTti ~A>%Gr <br />Peak Ground Vibration s (wit 'n 'n excess of) _ <br />Peak Air Overpressure ' within 'n excess of) _ <br />Analyst's Remarks <br />Exact Location of Sies. /Lj9~h /-~ U5~ 3 / 3 / ~~.e~/Tr' ~ Dist. To Seis. .~~ -E- ft. <br />Seis. No;~ X55 Cassette No. / Operator ~~~ Meters Particle Velocity ips <br />Range ips Trigger Level ,. OS ips Witness ~ /~/,r-ni,E.scsar Air Overpressure dBl <br />o?~~ n~r+c~ 3/~3 ,d~r~e.Err- ~ T~SS',~,~ _ o~/ <br />6A.~~3~ .- w~N1 r~'y~.;r~ oN p~g~~ f,~ ,6%.S"55~, r`4,5> <br />i (FOR BL.3C9rWlT(fj USE ONLY) <br />Transverse <br />Vertical <br />Longitudinal <br />Overpressure- _dBl _ <br />~~/o <br />in/sec. <br />in/sec. <br />in/sec. <br />limit of <br />limit of <br />Delay Nos. Cv ~ <br />Delay Mfr. ~wSr~w ~rc~ ~o.eo <br />No. of Timer Circuits (°lo <br />Timer Interv~al o~ 3.~o ms. <br />Blaster ~Ll .~A~r52'a- <br />/~A ~ two Th,ea al <br />Analysis By: <br />in/sec. <br />decibels. <br />-.Use Reverse Sitle for Blasi Diaoram. <br />(FOR BL,AC7rW171(fj USE ONLY) <br />