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

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LOG OF TEST PIT Trench 2
BARR
~ Sheet 1 of 1
Project: Monument Dam Location: Paonia, CO client: Mountain Coal Company
Barr Project Number: 06/26-067 ~ STANDARD PENETRATION NATURAL DRY
a~ TEST DATA DENSITY
w ~ o ~ ? e N in blows/ft O (pcf) ~
o L MATERIAL DESCRIPTION ~ a > o io zo so ao cos ~~s tzs
~ Z ~
> ~ (ASTM D2488) a
m ~

~ ~ ~
~ SHEAR STRENGTH, ksf Water Content,
u1 ~ ~ ~
C
TV 31E WP WN WL
0 Surface Elev.: 7292.3 rm •
OP X U
1 2 3 4 10 20 30
Medium plasticity clay (CL-CH), grayish brown, dry to moist;
reservoir bottom sediment 7291.8
Matrix: lean clay (CL), trace to with fine to coarse sand, trace 0.5
fine to coarse gravel, gray/brownloxidation, wet; Total: 30%
boulder (>12"), 20% cobble (3"<d<12"), 50°~ matrix
7290
7288.3
Bottom of trench 4.0
5
7285
10
Completion Depth: 4.0 Remarks: In reservoir bottom on knob near intake structure
Date Boring Started: 9/14/06
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Logged By: JDG SAMPLE TYPES WATER LEVELS
Drilling Contractor: Chesnik ~ Auger Cutting ,Shelby Tube While Drilling:
Drilling Method: Test Pit
End of Drilling:
® Split Spoon ~ Rock Core
hrs After Drilling:
fhe stratification lines represent approximate boundaries. The transition may be gradual.