2013-05-14_HYDROLOGY - C2009087 ‎(3)‎

• Permit No: C2009087
• IBM Index Class Name: HYDROLOGY
• Doc Date: 5/14/2013
• Doc Name: 1st Quarter 2013 Sedimentation Pond Inspection
• From: Peabody Sage Creek Mining, LLC
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: JDM
• Email Name: DIH
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Water, Sediment, or Slurry Impoundments
INSPECTOR'S NAME: Dennis Jones
FACILITY CONFIGURATION: Incised Sump
SITE NAME: Portal Sump 2 (lower south)
MINE NAME: Peabody Sage Creek Mine
MINE I.D. NO.: CDRMS Permit No. C- 2009 -087
DATE:
DATE LAST INSPECTION: /o - Z Z - ( Z,
LOCATION: NW1 /,, Sec. 3, TSN, R87W
LOCATION: 7.1 mi. SE of Hayden, CO
OWNER'S REP.: Ed Brady
Circle or write in appropriate response
1.
Foundation preparation (removal of vegetation, stumps, topsoil:
Yes
2.
Lift thickness:
NA
in.
3.
Compaction according to approved plan:
NA
4.
Burning (specify extent and location):
No
5.
Angle of slope: 2:1 upstream, 3:1
downstream
Total =
5:1
6.
*Seepage (specify location, color, and approximate
volume)
From underdrain pipes:
N/A
At isolated points on embankment slopes:
Yes
No
At natural hillside:
Yes
No
Over widespread areas:
Yes
No
ON/A
From downstream foundation area:
Yes
No
"Boils" beneath stream or ponded water:
Yes
�
7.
Cracks or scarps on crest:
Yes
No
8.
Cracks or scarps on slope:
Yes
No
EN/A]
9.
Sloughing or bulging on slope:
Yes
No
10.
*Major erosion problems:
Yes
No
N/A
11.
Surface movements in valley bottom or on hillside:
Yes
No
N/A
12.
*Erosion of toe:
Yes
No
t N/A
13.
*Water impounded against toe:
Yes
No
A
14.
Existing embankment freeboard: 6JIJ " ovf_ I'
h -J6,,, .��{o�,�
cwIL er ('
feet
15.
Increase Decrease in water level:
feet
16.
Cracks, bulging, or erosion on upstream face:
Yes
No
N/A
17.
Visible sumps or sinkholes in slurry surface:
N/A
18.
*Clogging
Spillway channels and pipes:
Yes
N/A
Decant system:
N/A
Diversion ditches:
Yes
No
N/A
19.
*Cracking or crushing of pipes
Spillway pipes:
Yeses'
N/A
20.
Decant system:
Trash racks clear and in place:
N/A
Yes
No
CN/A
21.
Discharge rate (gpm) Pc�L, �e h,��•.p,x Q o
. V
*Major adverse changes in these items could cause instability and should be reported to the
Engineering Manager and Mine Superintendent for further evaluation. Adverse conditions noted in
these items should normally be described (extent, location, volume, etc.) in the space on the
back of this sheet.