2013-12-23_HYDROLOGY - C1981010

• Permit No: C1981010
• IBM Index Class Name: Hydrology
• Doc Date: 12/23/2013
• Doc Name: 4th Quarter 2013 Sedimentation Pond Inspection Report
• From: Trapper Mining Inc
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: JLE
• Email Name: SB1
• Media Type: D
• Archive: No

FILE: 118.7
INSPECTOR:a/a-� fi)/- cl' .elS
DRAINAGE: NO NAME
TRAPPER MINING INC.
QUARTERLY SEDIMENT POND INSPECTION REPORT
SIGNATURE:
DATE OF INSPECTION:
Llf -A QUARTER-20/3
POND IDENTIFICATION
No Name #2
No Name #4
No Name #5
Approximate water level:
QO
/00,oP.
/ 2.70
Sediment level (% total storWe):
#1/?? / eL
Outflow (cfs):
0-9
L e S
L CIPS
Sediment marker (install or replace)
p
ok
Identification sign (install or replace)
AV e
i 4—
EROSIONAL:
Rills and/or gullies on downstream face.
Rills and/or gullies on upstream face.
Inadequate vegetation.
AID
Outlet channel erosion.
Burrows.
Erosion of toe.
A16)
Water impounded against downstream toe.
Other.
STRUCTURAL:
Differential settling.
Ale)
Cracks, slides, or scarps.
Seepage (specify location, color, value).
Defective spillways.
i I-t/O
Other.
APPURTENANT STRUCTURES:
Defective spillways.
Dewatering device clogged.
Cracking or crushing of pipes.
Other.
COMMENTS:
#2: use riser/siphon tube as sediment marker; siphon top = 66%, bottom = 50%.
#4: use riser/siphon tube as sediment marker; siphon top = 75%, bottom = 60%.
#5: 60% level = top of post - 4.5'.
0a f V- b c - '*1 S 11 0 f P-8
MAINTENANCE REQUIRED: A10 pi f
TRAPPER MINING INC,