Laserfiche WebLink
ti <br /> t s 1 <br /> 4�STEMMING <br /> HALerials Used <br /> SHOCK TUBE Initiating Device; <br /> a non electrical Firing mechanism used to initiate the shock tube <br /> f NON ELECTRICAL Shock Tube: <br /> DETONATOR noiseless trunk line coated on the inside with HMX mixed with aluminum <br /> sends energy to Eire the detonator <br /> Detonator' <br /> DETONATING CORD non electric blasting cap/uses 12 grains PETN as a base charge <br /> Detonating Cord: <br /> Round flexible non electric cord/uses a core load of 50 to 100 grains of <br /> PETN per foot and has detonation velocity of approximately 2. !.000 fps <br /> BOOSTER & Boosters: <br /> PROJECTILES Plasticized rubbery tubes of 8 gms PETN with a detonation velocity of <br /> approximately 24,00 fps <br /> ' Projectilesc <br /> round bullets 3/8" to 1/2" balls made of AISI 52100 chrome alloy steel <br /> Stemmine7 <br /> I Cement mix from neat (27 sack per yard) to 9 sack per yard <br /> DETONATING CORD <br /> si Safety features: <br /> JJ Non Electrical: <br /> Power lines, Radia frequency and other extraneous electricity are safe to <br /> work around. <br /> No Air Blast or Flyinp Debris: <br /> BOOSTER & The weight of the cement makes an excellent stemming and keeps debris <br /> PROJECTILES confined in the well <br /> Low Noise Leveli <br /> T <br /> he velocity viscosity of the cement dampens. keeping the noise from <br /> reaching the surface. <br /> r_ Low Vihsation Level: <br /> DETONATING CORD The small amount of explosive charges used keep vibrations confined to the <br /> area immediately surrounding the well. <br /> N <br /> SCALE <br /> 0 <br /> FEET <br /> BLAST PERFORATING & CASING RIPPING FOR WELL ABANDONMENTAdvanced <br /> FLAG CITY CHEVRON .__:.:� GeoEnvironmental, Inc. <br /> of Northern California <br /> 6421 CAPITOL AVENUE PROJECT KD- AGE-MC-96-0232 FILE: BLASTI FIGURE: <br /> LO D I, CALIFORNIA DATE: 21 SEPTEMBER 2001 DRAWN BY: MAC 3 <br />