2007-10-31_REVISION - M2006080 (2)

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~ - ~ TEST BORING REPORT Boring No. LH•4 _ SheetNo.tof2 _ Project: Loveland Ready Mix Slurry Wall File No. 107021-000 Start April s, tom Client: Com ass Environmental 3 P Finish: April 10, 2007 ~ Contractor: Dakota Drilling Driller: Jerryll-ino Casin ler Sam Barrel Drillin ui ment and Procedures E LH Rep.: G. Snyder g p p g q Type - G S - Rig Make & Model: CME-55 Datum~n~ na4817 91 Inside Diameter (in.) - 2, 1 3/8 - Dri(I Method: 4 i/2" HSA Location: See Borin Plan Hammer Weight (Ib.) 140 140 - Bit Type: Cutting Head Casing: None g - Hammer Fall (in.) 30 -- -_ HoisUHammer: Cat-Head Safety Hammer _ Water Level Data Sample Identification Notes Date Time apse Time Bottom cl Casing Bonom Of Hole Depth to Water CS Continuous C California Barret - 4I10/07 Drill none - 32.7 ft. 5.3 ft. Sampler R Core - - - - - - - S Split Spoon B Bulk - G Geoprobe T Thin Wall Tube ct Lab orat o R esu lts ~ ~ T Visual-Manual Identification and Description L y i ^ ~ ` m rn E o ^ m ~ j (n O~ Z nU E m ~ ° o e N o d ~ m m m d UJ (Density/consistency, color, GROUP NAME, max. particle size, A ~ ~- ^ W, E ~ `` ~ structure, ogor, moisture, optional descriptions, geologic interpretation) ~ m ~ ~ ~ e m m <n 3 ~ O <n ii :J a ~ m Red brown sandy clay from 0 to 5 ft. aet 5 Driller indicates change at 5 ft. - 21 C-t Very dense, red brown, poorly graded GRAVEL with sand (GP), mostly coarse = 29 72" OO gravel, some fine to medium sand, MPS= 1.5", no odor, wet, quartz rocks, some ° ~O small cobbles. ~° -COARSE ALLUVIUM- 4 7 O 8 ~ QO Od 10 24 S-2 ~ SAME AS ABOVE. 26 12" ~:d Except NIPS= 1", some quartz. ~ ~ ~O Od 480 ~O ~° ~O Od __ -ts 50l S-3 ;SP- ~ ~ Very dense red brown, poorly graded SAND with gravel (SP), mostly fne sand. MP fi l 75" d : , no o or, wet, some quartz. some ne grave , S= 0. -COARSE ALLUVIUM- 480 :~. ~ Medium dense, red brown, poorly graded SAND with clay (SP), mostly fine sand, 20 ~~ ~~: ~. some clay, little fne gravel, NIPS= 0.25", no odor, wet. some quartz. Sample 20 - 13 S-4 ~ $R~ ft. to 20.7 ft. ~ BR 18 : Very stiff, light brown, sandy CLAYSTONE (BR), moderately weathered, no odor, moist to wet, slight oxidation. Sample from 20.7 to 21.5 ft. ors ~~ -RESIDUUM- Driller indicates bedrock at 23 tt. n Maxwmum particle size is determined by direct observation within the limitations of the sampler LH-Q Borin NO g . NOTE: Soil itlentification based on visual-manual methods of the USCS as practiced by Lyman Henn, Inc.