2007-08-10_PERMIT FILE - C1980007 ‎(4)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 8/10/2007
• Section_Exhibit Name: Exhibit 76 Report Spring 2007 Part 2
• Media Type: D
• Archive: No

Barr Engineering Company
470o west 77th street LOG OF BORING SB-06-05
BARB Minneapolis, MN 55435-4803
~ Sheet 3 of 3
Project: Monument Dam Location: Paonia, CO client: Mountain Coal Company
Barr Project Number: 06/26-067 ~ STANDARD PENETRATION NATURAL DRY
m TEST DATA DENSITY
w ~ o ~ ~ \ N in blows/ft OO (pcf) yF
r MATERIAL DESCRIPTION ~ a > o to 20 so ao tos its t2s
o
' ~ Z ~
ia a (ASTM D2488) a
~ 0 ~ ~ d o SHEAR STRENGTH, ksf Water Content,
LL O ~ to Qp X UC ~ TV 31E Wp Wry W~
c0 VS ~ VSR O
60 1 2 4 20 40 60
LEAN CLAY (CL), trace fine- to coarse-grained sand, trace 60.0
fine-grained gravel, gray/brown/tanAight gray/oxidation, 100 » 100
saturated, very stiff to hard; 1" piece of wood and several
cobble-sized pieces of broken shale from 60.0-62.0', with
medium- to coarse-grained gravel (very friable sandstone)
from 65.0-67.0', trace to with fine- to coarse-grained sand
and trace to with fine- to medium-grained gravel from
70.0-72.0', gravel is gray shale from 75.0-77.0'

7270 65
76 » 76

7265 70
37 0 7

7260 75
71 » 71
the 7258.0
th of 76
6 feet usin
"WV
iezometer installed at de
.
g
p
p
full -routed method PZ-06-12 serial # 86616 77.0
End of boring at 77.0 feet, refusal
80
85
90
Completion Depth: 77.0 Remarks:
Date Boring Started: 7/5/06
D
t
B
i
l
t
d
7/5/06
C
a
e
or
ng
omp
e
:
e
Logged By: JDG SAMPLE TYPES WATER LEVELS
Drilling Contractor: DA Smith
D
ll
m Auger Cutting ,Shelby Tube Q While Drilling: 23.8
-
ri
ing Method: HSA End of Drilling:
® Split Spoon ~ Rock Core
hrs After Drilling:
The stratification lines represent approximate boundaries. The transition may be gradual.