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CITY OF SANTA ANA
<br />Planning and Building Agency
<br />Project : St. Barbara School -Site Improvement Project
<br />Borehole
<br />No. B-3
<br />Project Location : 5306 West McFadden Avenue, Santa Ana, California
<br />LOG OF TEST HOLE
<br />Plate No.
<br />1-3a Appro I
<br />Project Number: D-6289-02
<br />Page 1 of
<br />Date(s) Drilled: June 12, 2024
<br />Logged By : BA/AB Checked
<br />By :
<br />DXS
<br />Drilling Method: Hollow Stem Auger
<br />Drill Bit Size / 6„ Total
<br />Depth of
<br />51.5
<br />Type: Borehole,
<br />feel
<br />Drill Rig Type: B-61
<br />Drilling Larry Dulling Approx.
<br />Suda
<br />Ma�6te>���L
<br />Contractor: Elevation,
<br />feet
<br />Groundwater Level and Dale Groundwater encountered 14'
<br />Sampling California (ring),bulk, SPT Hammer
<br />Data
<br />Da `1�cllbs dropping 30 inches
<br />Measured:
<br />Method:
<br />Borehole Backrill : Drill cuttings
<br />Comments : Refer to plot plan for location.
<br />SAMPLES
<br />o
<br />U
<br />OTHER TESTS
<br />m
<br />MATERIAL DESCRIPTION
<br />N
<br />c
<br />c) ,
<br />c) U
<br />v
<br />a
<br />AND REMARKS
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<br />a
<br />N
<br />N !�
<br />d
<br />3
<br />ut
<br />U N
<br />lu
<br />❑
<br />z'
<br />a ofC7
<br />m
<br />0
<br />a z
<br />60
<br />0
<br />Grass
<br />Clayey Sand (SC), beige, slightly moist, medium dense,
<br />Bag #1
<br />22
<br />HD:77:8:15 (sa:si:cl)
<br />2
<br />gravelly
<br />C-1
<br />20-27-30
<br />57
<br />@ 2': Clayey Sand (SC), beige, slightly moist, medium dense
<br />7
<br />96
<br />555
<br />@5':Sand (SP), silty, fine to medium grained, light brown,
<br />C-2
<br />14-20-22
<br />42
<br />3
<br />88
<br />slightly moist, medium dense
<br />5010
<br />DS: P=Peak / Ult=Ultimate
<br />C-3
<br />7-10-15
<br />25
<br />@10':Sand (SP), slightly silty, coarse grained, small pebbles,
<br />6
<br />93
<br />¢ = 350 , c = 250 psf (P)
<br />medium dense, brown, moist
<br />= 340, c = 200 psf (Ult)
<br />Ground Water Encountered @ 14'
<br />45
<br />15
<br />@15': Silty Sand (SM), very moist, brown, dense
<br />S-1
<br />9-15-17
<br />32
<br />22
<br />4D
<br />20
<br />@20': Sandy Sill (ML), very moist, stiff, light brown
<br />S-2
<br />7-4-5
<br />9
<br />20
<br />35
<br />25
<br />S-3
<br />10-9-9
<br />18
<br />@ 25': Sandy Silt (ML), very moist, very stiff, light brown
<br />20
<br />3030
<br />S-4
<br />9-8-7
<br />15
<br />@30': Sandy Sill (ML), very moist, very stiff, light brown
<br />27
<br />25
<br />35
<br />S-5
<br />12-6-8
<br />14
<br />@ 35':. Sandy Sill (ML), very moist, stiff, light brown
<br />34
<br />20
<br />40
<br />S-6
<br />7-8-10
<br />18
<br />@ 40% Sandy Sill (ML), very moist, very stiff, light brown
<br />18
<br />15
<br />45
<br />GEOTECHNICAL SOLUTIONS, INC.
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