|
Barr Engineering Company
<br />4700 West 77th Street LOG OF BORING SB-06-03
<br />BARR Minneapolis, MN 55435-4803
<br />~ Sheet 2 of 3
<br />Project: Monument Dam Location: Paonia, CO client: Mountain Coal Company
<br /> Barr Project Number: 06/26-067 ~ STANDARD PENETRATION NATURAL DRY
<br /> m TEST DATA DENSITY
<br />w ~ o ~ ? \ N in blows/ft O (pcf) ~k
<br />o r MATERIAL DESCRIPTION ~ ~ >o ~o zo so ao tos 1is izs
<br />' . z ~
<br />R a (ASTM D2488) n
<br />m F
<br />m ~ °~ a o SHEAR STRENGTH, ksf Water Content,
<br />w C7 ~ V) Qp X UC ~ TV 31E Wp Wry W~
<br /> ~ VS D VSR O
<br /> 30 1 2 4 20 ao so
<br /> 'VW piezometer installed at depth of 29.8 feet using the
<br />~
<br /> full -routed method PZ-06-04 serial # 86611 sg
<br />73
<br />~
<br />~ 22 ~22
<br /> 0
<br />.
<br />SILTY CLAY (CL-ML), trace medium- to coarse-grained
<br />31
<br />4
<br /> .
<br />and brown/ ra /oxidation moist ve stiff' looks like fill
<br /> SILTY SAND (SM), trace to with clay, sand fine- to
<br /> medium-grained, reddish brown/tan/gray, moist, medium /
<br /> ense /
<br /> SILTY CLAY
<br />ML
<br />i
<br />h
<br />Ai
<br />ht b
<br />/
<br />id
<br />ti
<br />CL /
<br /> ), green
<br />s
<br />gray
<br />g
<br />rown
<br />ox
<br />(
<br />-
<br />a
<br />on,
<br /> 35 moist hard 7305.2 /
<br />7305 LEAN CLAY (CL), Vace fine- to medium-grained sand, 35.0
<br /> brown/gray/oxidation, saturated, stiff 13 ~13
<br /> 7303 7
<br /> SANDY SILT (ML), trace coarse-grained sand, Vace fine- to 36.5 . ; i
<br /> medium-grained gravel (sandstone), gray/oxidation, 1 X
<br /> saturated, medium dense 7301.9
<br /> LEAN CLAY (CL), trace fine- to medium-grained sand, trace 38.3 15 ° 1
<br /> tine- to medium-grained gravel (shale and sandstone), ~
<br /> 4 9ray/brown, saturated, very stiff; some reddish brown fine- to 7300.2
<br />7300 0 coarse- rained sand mixed in 40.0 /
<br /> LEAN CLAY (CL), with fine-grained sand, gray/oxidation, 7298 9 5 ~5 ®3--31
<br /> saturated medium 41
<br />3 3.8
<br /> .
<br />LEAN CLAY (CL), with fine- to medium-grained sand, gray, ~
<br /> saturated, medium; with fine- to medium-grained gravel
<br />
<br />(shale) from 41.7-42.0', soupy ~
<br />~
<br />
<br /> \
<br /> 7295.2
<br />7295 45 LEAN CLAY (CL), with fine- to medium-grained sand to 45.0
<br /> sandy, trace fine- to medium-grained gravel (sandstone and 2g to~?3
<br /> shale), brown/gray/oxidation, saturated, very stiff
<br /> 7292.7
<br /> LEAN CLAY (CL), with fine- to coarse-grained sand to 47.5
<br /> sandy, trace fine- to medium-grained gravel to gravelly 100 „ 100
<br /> (sandstone and shale), gray, saturated, hard
<br /> 7290.2
<br />7290 50 POORLY GRADED SAND (SP), with silt, sand fine- to 50.0 :~:: ::
<br /> medium-grained, trace fine-grained gravel, grayish tan, 19 'F6
<br /> saturated, medium dense ~
<br /> 7287.7 '.~~ ~~
<br /> LEAN CLAY (CL), with fine- to coarse-grained sand, trace to 52.5
<br /> with fine- to coarse-grained gravel (mostly angular gray 4B ~ o
<br /> shale, some sandstone), brown/grayftan/oxidation, saturated,
<br /> hard /
<br /> '
<br />7285 55 WV piezometer installed at depth of 53.8 feet using the
<br />
<br />fully-grouted method (PZ-06-05, serial # 86377) /
<br />/
<br />
<br />
<br /> I
<br />
<br />
<br /> 7280.2
<br /> 60 on roue ex a e
<br />Completion Depth: 78.5 Remarks:
<br />Date Boring Started: 7/7/06
<br />Date Borin
<br />Com
<br />leted: 7/9/06
<br />g
<br />p
<br />Logged By: JDG SAMPLE TYPES WATER LEVELS
<br />Drilling Contractor: DA Smith
<br />l
<br />m Auger Cutting ,Shelby Tube Q While Drilling: 35
<br />-
<br />Dril
<br />ing Method: HSA End of Drilling:
<br /> ® Split Spoon ~ Rock Core
<br /> hrs After Drilling:
<br />the stratification lines represent approximate boundaries. The transition may be gradual.
<br />
|