2007-10-31_REVISION - M2006080 (2)

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CORE BORING REPORT Baring No. LHP-4 _ ~ Sheet No. 7 of 2 Project: Loveland Ready Mix Slurry Wall File No. 107021-000 Start: April 17, 2007 Client: Com ass Environmental P Finish: April 19, 2007 _ Contractor: Dakota Drilling Driller: Josh/Blake _ Casin Sam ler Barrel Drillin ui ment and Procedures E LH Rep.: G. Snyder g p g p q El 0 Type HSA " S/C NQ Rig Make & Model: CME-55 evation: 4817.4 Datum: na Inside Diameter (in.) 4.25 7 3/8, 2 - Dnll Mud: Water Location: See Boring Plan Hammer Weight (Ib.) -- -- - Bit Type: Cutting Head N: _ Hammer fall (in.) - 30 in. - HoisVHammer: Cat-Head Safety Hammer E; -- Water Level Data Sample Identification Notes Date Time Elapsed 9ottom Bottom Depth to Time (hr.) of casing of Hae Water U UndistuPoed Sam le R Core 4/19!07 - - - 34 5.3 ft p - - - - - - S Split Spoon B Bulk T Thin Wall Tube G Geoprohe y a L a o = .. ~o t ? t Visual-Manual Identification and Description ,E, L E° °~ ~ Z Z` c w E m h m ~ ~ > ~ n > ~ - ° ~ ~'y (Soil: Density/consistency, color, GROUP NAME, max. paNCle size, O ~ w E m ~ ~ ~ ~' `-° ~ structure, odor, moisture, optional tlescriptions, geologic interpretatlon ' m N ~ ° - v7 Rock: hardness, color, weathering, lithology, [ezture, joint spacing) 3 ~ a Light brown, sandy lean clay 0 ft. to 5 ft. 4815 -s C-1 12" 5 Stiff, dark brown sandy lean CLAY (CL), mostly clay, some fine sands, no odor, moist. 6 -FINE ALLUVIUM- 4s+a .~: Driller indicates change at 8 ft. to S-2 6" 9 :SP: Medium dense, red brown, poody graded SAND with gravel (SP), mostly fne sands, some 5 :~: coarse gravel, MPS= 3/4", no odor, wet, quartz. 15 :: -COARSE ALLUVIUM- 4805 is S-3 18" 31 ~+' Hard, red brown, poorly graded GRAVEL with sand (GP), mostly coarse gravel, some fne 35 :.0 sand, MPS= 1.25", no odor, wet, quartz. 43 OO -COARSE ALLUVIUM- 4eco OO e ~O Od Driller indicates bedrock at 19 k. zp 4795 25 NOTES: Soil identification based on visual-manual methods of [he USCS as practiced by Lyman Henn, Inc. Bpflrlg NO. LHP-4 Maximum particle size (MPS) is determined by direct observation within the limitations of the sampler.