REV100964

• Permit No: C1996083
• IBM Index Class Name: Revision
• Doc Date: 10/18/2002
• Doc Name: Geotechnical Data Report - Bruce Park Dam
• From: GEI Consultants, Inc.
• Type & Sequence: TR22
• Media Type: D
• Archive: No

BD-102
GEI Consultants, IriC. LOG OF DRILL HOLE PAGE: 1 of 3
DATE: 11/20/00 ! 11/22/00
PROJECT NAME :Bruce Park Dam
LEGEND
PROJECT NUMBER : gg2g2 1) BLOWS PER 6 IN -140 Lg. HAMMER FALLING 30 IN. TO DRIVE A
BORING LOCATION :Main Dam Right Abutment 2.0 IN. OD SPLIT SPOON SAMPLER
2) PEN -PENETRATION LENGTH OF SAMPLER OR CORE BARREL
GROUND SURFACE ELEVATION (NGVD - FT) •'8187 3) REC -RECOVERY LENGTH OF SAMPLE
GROUNDWATER ELEVATION : N!a DATE NA S -SPLIT SPOON SAMPLE 7-3/8 in. I.D. ST -SHELBY TUBE
C -CONTINUOUS DRY CORE SAMPLER 3-1 /4 in. I.D.
DRILLED BY : Agapito Dulling, Inc.
GROUNDWATER : ESTIMATED GROUNDWATER s
LOGGED BY : JDG TOTAL DEPTH (FT) : 63.5
NOTES: Rig: Acker MP-5 (track-mounted)
Casing: 4-1/4 in. I.D. Hollow Stem Auger
DEPTH TYPE 1-BLOWS 2- 3- REMARKS
FT. and PER PEN REC
NO. 61N. IN IN

-5
-10
-15
-20
-25
30
No Samping
frpn0.5ft
c-t 60 50

c-z
60
55 f
St 3, 4, 6 18 18
c-a 18 16 [
7~-y~ HarCer EnUin9 I

I
I e~teft
Sz 28, 45, 46 18 14 N' ~~ I
Sw~ m Hn `

~i
I~

I~
II
I

~
I I

I rock wre
I
i
I
Boling backfilled with cement-bentonite grout
SOIL AND ROCK DESCRIPTIONS
0-5 ft: LEAN CLAY. Mostly low plastic fines: 20-30%non-plastic fines;
wbbly; dry: (CL)
~ I C-1: HIGH PLASTICITY CLAY WITH SAND. Mostly medium to high plastic
.' ~~ fines; 10-30°/, non-plastc fines; 10-30°/ sand; Gasts of Gaystone and
~ sandstone bedrock up to 2 in. and occasional organit•Jwoody inGusions;
] ~~'~ stiff; moist; yellow brown to dark brown. (CH) (Embankment Fill]
,
/~
~ C-2: HIGH PLASTICITY CLAY. Mostly medium to high plastic fines;
occasional sandstone/Gaystone Gasts up to 3 in.; moist; dark brown. (CH)
[Embankment Fill]
,
i
~ S-1: Similar to C-2. i
i
~ C-3: Similar to C-2.
II
~_ S-2: INTERBEDDED SILTSTONE AND SILTY CLAYSTONE. Mostly non-J
is plastc fines; very thinly bedded, beding is mostly horizontal; slightly to ~I
~~ i moderately weathered; moderately soft to soft; gray and yellow, joints I
pumanly parallel to bedding, some near vertical, tight to slightly open, slightly
rough, iron stained. [Mesa Verde Group] -
I
See following pages for HO core descnpUOns.