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n i i 1 1 ' 01 May 2000 AGE-NC Project No 96-0232 ' Page 5 of 11 1 , 4 0. DOWN-HOLE DOMESTIC WATER WELL VIDEO CAMERA PROBE On 24 March 2000, a down.-hole video camera probe was performed on the domestic drinking water, s well located at 14659 Thornton Road, Lodi, California (Rocky's Restaurant) The down-hole video camera probe was conducted at the site to identify the screened interval(s) of the well and to assess the integrity of the well I 4 1 DOMESTIC WATER WELL PUMP REMOVAL ACTIVITIES r _ Y r } On 23 Mai ch 2000, two ground water pumps (one potable-water pump and one fire-water pump) were removed fiom the Rocky's Restaurant domestic water well in preparation for a down-hole video camera probe A 20-tan crane (provided by Clark Well Inc ) was utilized to remove the ground ; water pumps, after the potable-water pump and the fire-pump were removed, both pumps were y I covered with plastic sheeting and placed adjacent to the domestic water well According to the 20; ton crane operator, the bottom of the fire-water pump was set at 84 feet bsg and the bottom of the potable-water pump was set at 105 feet bsg 42 DOWN-HOLE CAMERA PROBE PROCEDURES A tripod-mounted, four-inch diameter stainless steel video camera (supplied by Water Well Technology Inc ) was placed above the Rocky's Restaurant domestic wafer well casing, the video ' camera was then slowly lowered utilizing a steel cable and a remote control hoist Coaxial video R� cable was attached from the down-hole video camera and to an above ground video monitor As th6 video camera was slowly lowered, the down-hole video footage was sianultaneously viewed at the ' above ground'video monitor and taped with a VHS video recorder ' 4 3 DOWN-HOLE CAMERA PROBE RESULTS ' The Rocky's Restaurant domestic water well consisted of 93/4-inch I D polyvinylchloride(PVC)well casing First encountered groundwater was observed at seven-feet, two-inches Well casing3oints were observed at 10-foot bsg, 30-foot bsg, 50-foot bsg, 106466t bsg and 127-foot bsg and were ti ' adhered with a glue-like substance Perforated well screen was observed between 67 and 76 feet,bsg, between 87 and' 104 feet bsg and between' 130 and 142 feet bsg, the perforation size could not be estnnated based on the video probe The bottom of the water well casing appeared to be filled with ' silt to an unknown depth No cracks, holes or breaks were observed during the down-hole video probe Copies of Water Well Technology, Inc down-hole video log are contained,in Appendix F, ia copy'of the'VHS,video tape of the down-hole camera probe is included with this report 1 Ad+ancsdGLoEnNiroll rnPita[ Inc