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Fill in all shaded parts <br />Well: <br />Casing Size & Weight <br />GL <br />10 <br />25 <br />50 <br />75 <br />100 <br />125 <br />150 <br />175 <br />200 <br />225 <br />250 <br />275 <br />300 <br />325 <br />350 <br />375 <br />400 <br />425 <br />450 <br />475 <br />500 <br />Water Well Disposal Plan <br />Cogco Inc <br />PO Box 1710 <br />Woodland CA 95776 <br />Bus 530-666-1716 Fax 530-666-1942 <br />Contractors License 582564 <br />Location Manteca, CA. <br />Date & Time 2/9/2018 <br />g With Shot Attached Blasting Cap & Number of caps <br />A 105 2 <br />80 PETN 80 ft Density g/cc 1.55 g/cc <br />Total shots 7 Detonation Velcity 24.000 ft/sec <br />Shot Size 2 1/8" <br />EXP weight 26 Grams Perforation Charges <br />Total Explosive WT. 0.40 LB Detonation Pressure 207 k/bar <br />Prina Cord 0.91 LB Total Energy 516 k/bar <br />Shot Placement Pressure at casing 4.53 k/bar <br />Start 20 ft <br />Stop 80 ft <br />Prina Cord <br />Density g/cc 1.55 g/cc <br />Start ft <br />Detonation Velcity 22.000 ft/sec <br />Stop ft <br />Grains per ft 80 gr/ft <br />Detonation Pressure 20 k/bar <br />Total Feet 60 <br />Total Energy 1,200 k/bar <br />Pressure at casing 8 k/bar <br />These are esiimated pressure for a empty well <br />Site procedure <br />1 Check site & measure well depth <br />2 Clear work site of all unessential personal <br />Name of Blaster in charge <br />3 Lower charges & drop pipe into well <br />4 Pump sealing material to top of well <br />Brian Twigg <br />5 Check & clear blast area (sound blast warning) <br />6 Arm explosives <br />Blaster License <br />7 Confirm area clear (final blast warning) <br />8 Detonate charge <br />California 8992 <br />9 Check hole and sound all clear <br />10 Refill cement to top of well to form a <br />mushroom cap <br />Comments and changes made to plan <br />1 Charge every 10 feet. <br />All changes to blasting <br />plan will be discussed with and approved by blaster in charge. <br />