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CITY OF SANTA ANA <br />Planning and Building Agency <br />ject : <br />St. Barbara School - Site Improvement Project <br />Borehole <br />No. B-2 A„ nrov <br />d <br />ject Location : <br />5306 West McFadden Avenue, Santa Ana, California <br />LOG OF TEST HOLE <br />Plate NO <br />1-2 p M <br />jectNumber: <br />D-6289-02 <br />Page 1 o <br />FOR PERMIT IS <br />UANCE <br />!(s) Drilled: <br />June 12. 2024 <br />Logged By: <br />BA/AB <br />Checked By: <br />DXS <br />ng Method: <br />Hollow Stem Auger <br />Drill Bit Size I <br />6„ <br />Total Depth or <br />21.5 <br />Type: <br />Borehole, fee <br />RigType <br />yp <br />B-61 <br />Drilling <br />Larry Drilling <br />Approx. Surf <br />u s e r fee SL <br />Contractor: <br />Elevation, fe <br />: <br />indwaler Level and Date <br />sured: <br />Groundwater encountered @ 14' <br />Sampling <br />Method <br />California (ring), bulk, SPT <br />Hammer Dal <br />: 140 Ibs dropping 30 inches <br />hole Backfill : <br />Drill cuttings <br />Comments: <br />Refer to plot plan for location. <br />io <br />o <br />U <br />n <br />MATERIAL DESCRIPTION <br />2 <br />a <br />m <br />� <br />` , <br />OTHER TESTS <br />w <br />a$ <br />n <br />AND REMARKS <br />c <br />o <br />m <br />t <br />a <br />a <br />N <br />E <br />'� M <br />c� <br />U <br />U <br />a <br />3 <br />d <br />w <br />C <br />EL <br />C Q <br />`` N <br />w <br />o <br />FT <br />Z <br />a� <br />(7 <br />m <br />o <br />a z <br />60 <br />0 <br />Grass <br />Silty Sand ISM), beige, moist, medium dense, gravelly <br />Bag 91 <br />19 <br />HD:81:12:7 (sa:si:cl) <br />2 <br />C-1 <br />9-15-20 <br />35 <br />@ 2': Silty Sand (SM),same as above <br />5 <br />90 <br />555 <br />DS: P=Peak / Ult=Ultimate <br />C-2 <br />11-24-20 <br />44 <br />@5':Silly Sand (SM), fine to medium grained, beige, gravelly, <br />5 <br />98 <br />b = 33' , c = 300 psf (P) <br />moist, medium dense <br />¢ = 320, c = 250 psf (Ull) <br />5010 <br />C-3 5-12-15 27 @10':Sand (SP), slightly silty, coarse grained, small pebbles, 11 99 <br />medium dense, gray, moist <br />Ground Water Encountered @ 14' <br />as 1s — — <br />S-1 11-7-7 14 @10': Same as above, very moist 22 <br />40 20 <br />S-2 12-9-10 19 @10': Same as above 23 <br />Total Depth = 21'-6" <br />Groundwater encountered @ 14' <br />3525 Backfilled w/Cuttings <br />No Caving but possible for bigger diameter hole <br />30 1 30 <br />25 1 35 <br />20 1 40 <br />15 1 45 <br />GEOTECHNICAL SOLUTIONS, INC. <br />