2008-04-15_REVISION - M1980244 ‎(306)‎

• Permit No: M1980244
• IBM Index Class Name: REVISION
• Doc Date: 4/15/2008
• Doc Name: VOL II Appendix 2, Attachment B- Grassy Valley 2007 Monitoring Well and Piezometer Borelogs
• From: CC&V
• To: DRMS
• Type & Sequence: AM9
• Media Type: D
• Archive: No

E
•
•
WATER MANAGEMENT CONSULTANTS WELL CONSTRUCTION DIAGRAM Sheet No: 2 of 3
Well No: GVMW-23A Project Name: CC&V HYDRO INV. Client: CC&V - 2736
Coordinates: 50
041 E Section'
Quarters:
Township:
Range: Location Elev: 9 764 ft amsl
, 7
15S
69W
59,292 N Drilling Method: DIRECT ROTARY Water Level Meas. Point Ele, 9,765.5 It amsl
Drilling Company: AK Development Method: NONE Inclination: 90° Logged By: BL/MG
Start Date/Time: 08/18/07 07
00 Screen Type: 20 SLOT PVC Well Casing Mat: Well Stickup:
: PVC 1.5 FT
Completion Date/Time: 08/18107 15:00 Gravel Pack Type: 6/9 SAND cased DePm: 0 - 40 FT Well Qlameten 2 IN
Final Depth: 250 FT Seal Type: BENTONITE CHIPS (9 bags) Borehole I0:GVMW-23A screened Interval:
40 - 90 FT Quantity of Sand:
12 ba

v rn
c
d o
E
Description y
E aE
J c
E
m L .
c -Q N Group name, Color, Density, Grain size/Plasticity, Moisture,
M L _
2 rn
o -9 v Cohes., Sed. struct, Weathering, Organics cc T
2 U
J
1 ?
00 * * } 4. + + 60% fxgd, 40% xgd, at 104' start to hit some clay

105-

r
+
*
*

-

- --

-------- --- - ---- --- - - -- -
'

-- -
--
-105
*
}
} ? 60% fxgd, 40% xgd, some clay, which ends at 110
110 ?
---- - ------------ ------ ------ 110
+ + * + * Xgd
} + +
115
--+-+-+-
+
+
+
---
--
- ----
---- ------------- _ ---------------_ _._-__ _ --- - . _. _
115
f
} + +
} Xgd
+ +
*
120 :-
-+
+ 120
f * }
} *f + Xgd
+

125 +
*-. +
*- -+F *
-
---
-- -- --- - -_- --- - - ----- -- - - -
- --
- -
125
BENTONITE
*
+ + + *
' Xgd CHIP
+
} + -- BACKFILL

130 +
?R-* }-
*
- -
-

____
-
--- - -- --- -- --- ---------- - --
- --
130
}
*
+ f
+ + Xgd
+
f
+
135 + * * +
+
+ - -- - - - - -.. - - - --- -- - - --- 135
+ *
+
+ Xgd
+
+ + +
140 Yf
+
*
+
*
+
* -- -- - .. - --- - -- - - ---- _ --------- --
X
d - -- - 140
}
f
f g
+ * * *
+ +
145 + 145
} * } + + Xgd
+

150 f }
* * +
,--}-+-t--,--
----
-- - -
-- -- -
---- ----------------_ ---- - -- -- - __ ------- - ---
-------
-
-150
+ f * } + Xgd
+ *
* + *

155 +
-*----?-_
+
----
-----
-__--
--- - - - ------ -----_ _ _-_ ------ -------- ------- --- -
_.. __ __
_ __-
155
} + + +
+} * Xgd

160 + f
+
-
--------- - --. - -- -- -
- ..
.-
160
Xgd with some fxgd, some iron staining

165 o- * ? + t_._.

+ + *f * *+ `

i - - -- ---- ----- --- ... - .. - --
-
Xgd with some fxgd, some iron staining
- -- 165
165

170 -+-'
*--`F +--+ .... ..---- - __ --- - -__- --------- - - _ ----- - --._...__ _ -- _ - 170
+
f f + Xgd

* * +
175 + ?# r *-+ * ?
+
+ f + --- - - -- - --- - - -- --------------- _------ __ - --- ------
Xgd with some fxgd, some iron staining ----- --- 175
*
180

*
-*---* "-? 4.41
---
---
-- --- - --- ---- -- ._._.. _... - -
-
- -
180
* }
* +
+ Xgd

185 * f * } +
+ +--±-
+
---
- -
-
-- -- ---- -- - - - - -----
185
f * } * + Evenly split between xgd and fxgd

190 `-f-t-? '? -* ---- -- -- -_ _ - ------------ -------_ _---- ------- -- - ---- ----- - 190
f * } * + Xgd with small amounts of fxgd
+
*
}
195 ?*->.
*
} •
+ - - -_ ---------- ------
' ---- --- 195
f
* f + Xgd, air lift test at 200
is dry
+......+..... *.. ........
i-t