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DR. WELL, WATER WELL SERVICES, INC. <br />License No. C57-967790 <br />PO Box 1685 Fair Oaks, CA 95628 <br />(916) 536-9319 (916) 531-1518 fax (916) 962-7381 <br />Date: August 25, 2017 <br />BLASTING WORK PLAN <br />Well Permit #: <br />Casing 16" conductor seal 0' to 60' <br />Casing 12" steel cased 0' to 188' <br />Bottom depth 188' <br />f— Slurry pipe <br />GL <br />25' <br />35' <br />45' <br />55' <br />65' <br />75' <br />85' <br />95' <br />105' <br />115' <br />125' <br />135' <br />145' <br />155' <br />165' <br />175' <br />185' <br />188' <br />4 First Booster at 65 feet <br />Booster Placement <br />Every 10 feet <br />Total 13 <br />50 -grain cord to <br />185 feet <br />Location: 340 Sterling Street Plan date and time: Pending <br />Woodbridge, CA <br />Site procedure <br />I. Check site and measure well depth <br />2. Clear work site of all unessential personal <br />3. Lower charges and drop pipe into the well <br />4. Pump sealing material to top of well <br />5. Check and clear blast area (sound blast warning) <br />6. Arm explosives <br />7. Confirm area clear (final blast warning) <br />8. Detonate charge <br />9. Check hole and sound all clear <br />10. Refill cement to top of well to forma mushroom cap <br />Comments and changes made to plan <br />Total Explosives <br />6 1/4 lbs. <br />Last booster placed Predicted casing condition: With 12" casing we should see <br />at 185 feet complete devastation in the immediate zone of booster placement <br />Total open depth 188 with large vertical cracks and sheers from three to five feet in <br />feet both directions. <br />Name of Blaster Preparing Plan: David Schwedler <br />*Dr. Well, Water Well Services reserves the right to change or modify <br />the charge in any way necessary to maintain the safety of all personnel <br />onsite and surrounding areas. <br />Name of Blasting Service: Dr. Well, Water Well <br />Services, Inc. <br />