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

•
WATER MANAGEMENT CONSULTANTS WELL CONSTRUCTION DIAGRAM Sheet No: 1 of 1
Well No: OSABH - 3 Project Name: CCBV HYDRO INV. Client: CCBV - 2736
Coordinates: 43,473 E Township: Range: Section: Quarters:
15S 69W Location Elev:
10,237 It amsl
60,103 N Drilling Method: DIRECT ROTARY Water Level Meas. PontElev: 10,239 It amsl
Drilling Company: AK Development Method: NONE Inclination: 90, Logged By: BL/LS
Start Date/Time: 0723/07 4:30 Screen Type: 20 SLOT PVC Well Casing Mat: Well Stickap:
PVC 2 FT
Completion Date/Time:
07/23/07 9:00 Gravel Pack Type:
10/20 SAND card oapm: 0 - 18 FT Well Diameter 2 IN
Final Depth: 50 FT Seal Type: BENTONITE CHIPS (4 3/4 bags) Borehole ID:GR
765 screened Interval: Quantity orSan&
- 18-28 FT
m
0
0)
m

N o p

T

Description (ED

E
a) 75
v

- E
L 0) r c- ti Group name, Color, Density, Grain size/Plasticity, Moisture, E d 2 B
Q)
L
d
2 v CL
Cohes., Sed. struct, Weathering, Organics
o 7 Ui3
0 ( 6
10yr Alluvium and weathered bedrock, 0'-20', moderate yellowish brown >'I:
5/4 GW sandy gravel with clay. Moist clasts of breccia, plastic, some
5 organics 5 J 8 INCH STEEL
1Oyr Dark yellowish orange clayey gravel with sand. very moist, plastic, SURFACE
6/6 CH gravel up to CASING
10 10
5y Weathered breccia, light olive grey, some iron staining chips 15 mm,
?j 6/1 breocia
2 IN PVC
15 15
20 20 ?

o'
'
' 20 SLOT
o.... Fresh
TPhu (tPhu: undifferentiated Phonalite 20
-50
)
13:55
z.
TPHU 7/25/07 SCREENED II,

2
p . 2 3.02 -
25

30 ?_ -
w
30
p

35 35

40
o. .°
40

'
45 v . 45 BENTONITE
o... ..
CHIP
BACKFILL
50 u... o
50
TD 50 FT
55 55
60 60
65 65
70 70
75 75
80 80
85 85
90 90
95 95