Laserfiche WebLink
AUSTO ENGINEERING GROUP <br /> LAFAYET, CAUFORNIA LOG OF BORING SB- 10 Page 1 of 1 <br /> ALISTO PROJECT NO: 10-211-15-01 DATE DRILLED: 06-27-02 <br /> CLIENT. PG&E BOREHOLEDIAMETER: 4" <br /> SEE SITE PLAN LOCATION:McDonald Island Gas Storage Facility BOREHOLE DEPTH: 14' <br /> FOR BORING LOCATION DRILLING METHOD: Hand auger CASING DIAMETER: 3/4" <br /> DRILLING COMPANY: Alisto Engineering CASING MATERIAL: PVC <br /> LOGGED BY: D. Birch APROVED BY: Al Sevilla <br /> > WELL J GEOLOGIC DESCFWnoN <br /> s <br /> Base rock <br /> c 1 <br /> U SM Silty SAND, light brown, moist, fine grained. <br /> s 2 <br /> c <br /> 20.9 <br /> 4 <br /> 5- <br /> 3.6 = 6— Color change to rust, brown ® 6'. <br /> = <br /> 7- <br /> 8- <br /> 22.4 <br /> 822.4 — <br /> = 0 9 , Color change to gray ® 9.5'. <br /> — o <br /> 10- <br /> 12- <br /> 13- <br /> 14- <br /> 0121314 <br /> Boring terminated at 14'. PVC casing removed before grouting <br /> 15 with neat cement <br /> 16- <br /> 17- <br /> 18- <br /> 19- <br /> 20 <br /> 6171819 20 ci <br /> s <br />