HYDRO28603

• Permit No: C1981010
• IBM Index Class Name: Hydrology
• Doc Date: 7/2/2007
• Doc Name: 2nd Quarter 2007 Sediment Pond Inspections
• From: Trapper Mining Inc
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Media Type: D
• Archive: No

FILE: 118.7
QUARTERLY SEDIMENT POND INSPECTION REPORT
OPERATOR: TRAPPER MINING INC.
- / i
INSPECTOR: ~~~'v ~ ~/
DRAINAGE: NO NAME
SIGNATURE:
DATE OF INSP
Z ORTR ZGR~
TRAPPER MINE
/~ e
ECTION '-C / ZZ/ ~~
POND IDENTIFICATION N iJ02 #04 NN
Approbmate water level:
Sedimem level (%tdal storage): / M/ /n O /tr/ 1
Outflow O
Sediment marker (install or replace) / /
IdentiFlcation sign (install or replace) / V
EROSIONAL:
Rills andla gullies on downstream face. v
/
ry
Rills andlor gullies on upstream face. / ,/ /
Inadequate vegetation. /
Outlet channel erosion. ~/ /
Burrows. / /
Erosion of toe. /
afar impounded against tce.
trer. /
STRUCTURAL:
Differential settling.
/ /
Cracks, slides, or scarps. /
Seepage (specify location, cdor, value).
Defective spillways. /
Other. / /
APPURTENANT STRUCTURES:
Defective spillways.
/ /
/
Dewatedrg tlevice clogged.
Cracking or crushing of pipes. /
Other.
COMMENTS:
if05: 609'° level =top of post - 4.5'.
#04: use riserlsiphon tube as sediment marker; siphon top = 75%, lwttom = 60%.
#02: use riserlsiphon tube as sediment marker; Siphon top = 66%, bottom = 50%-
~ ~ ' ~~ L~it/JGL /~-7 ~~or'!l ~~ b` l i/~ ? l~G~ Cptn!/S /
y - ~~lz ~,~,,~~ `s max. Z~ ~~~ ,~~2~~,,~~~,~~~
MAINTENANCE REQUIRED:
~~~vr