2017-04-04_HYDROLOGY - C1981025 ‎(2)‎

• Permit No: C1981025
• IBM Index Class Name: Hydrology
• Doc Date: 4/4/2017
• Doc Name: Quarterly Sediment Pond/Impoundment Report
• From: J. E. Stover & Associates, Inc.
• To: DRMS
• Annual Report Year: 2017
• Report Quarter_Month: 1
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: CCW
• Email Name: JRS
• Media Type: D
• Archive: No

I Identification
of Pond
is During Inspection:
)ximate Water Level
nent (% total storage)
)w (gpm)
Rills & Gulleys
Inadequate Vegetation
Outlet Channel Erosion
Burrows
Other
QUARTERLY POND INSPECTION REPORT
Minrec, Inc. C-1981-025
North Thompson Creek Mines
Quarter: I First 2017
Inspection Date: 31 -Mar -17
Lon
T-1
T-2
P-9
Refuse Pond
Treatment
Treatment
Treatment
Sediment
Sediment
Full
Full
Full
7503
7421
N/A
N/A
N/A
10%
0%
To T-1
To T-2
5 to 10 gpm
< 5 gpm
0
Pond 9, Bottom Elev 7496. Invert of emergency spillway elev 7503.
Refuse Pond, Bottom Elev 7418. Invert of emergency spillway elev 7425.7.
intenance Required:
As noted in DRMS inspection report, ditch maintenil ie' required belowpoA9.
problem
Problem
Problem
Problem
Problem
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
NoNo
No
No
No
No
No
No
Differential Settling
Cracks or Slides
Seepage
Other
No
No
No
No
No
No No No No
No
No No No No
No
No No No No
No
purtenant Structures
Defective Spillways
No No No No No
No No No No No
Dewatering Devices Clogged
No No No No No
Faulty Gates, Etc.
No No No No No
Other
ditional Comments
Drawing D-2-5 shows the location of the long pond & ponds T-1, T-2 and P-9.
Discharge from T-2 is being directed to Pond 9.
Pond 9 Emenercy spillway has be redirected to the ditch to the refuse pond.
Pond 9, Bottom Elev 7496. Invert of emergency spillway elev 7503.
Refuse Pond, Bottom Elev 7418. Invert of emergency spillway elev 7425.7.
intenance Required:
As noted in DRMS inspection report, ditch maintenil ie' required belowpoA9.
roe of Inspector: Jim Stovers
_ q " N'/ T