2011-07-18_HYDROLOGY - C1981010

• Permit No: C1981010
• IBM Index Class Name: HYDROLOGY
• Doc Date: 7/18/2011
• Doc Name: 2nd Quarter 2011 Sediment Pond Inspection
• From: Trapper Mining Inc
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: RDZ
• Media Type: D
• Archive: No

POND IDENTIFICATION (
NName #02 I
NName #04 I
NName #05 I
(
I
Approximate water level:
U
1 0 % '
100 °l0 too dun
Sediment level (% total storage): /0 70 : Wt % Al vtt AA iii l vv1 *a."(
Outflow (cfs): 01 OS i X0.1 c .s fib, (c - 2 0.‘ -F1, 0
Sediment marker (install or replace) . SN,p tote aH I ola tt : 3.w cod ,
Identification sign (install or replace) : 1., 0...,..e_ } -1, I ft .a, to /A L.
EROSIONAL:
Rills and /or gullies on downstream face.
Np
c
U
0
Rills and /or gullies on upstream face. i 110 /tic) A/ U •
Inadequate vegetation. ; e, : , cr,d.d : A Aelvaa 4'
7,v.a
Outlet channel erosion. IV O A/ d /V (2
Burrows. NO N 0 Y 5
Erosion of toe. Al0 N D NU
Water impounded against toe. ‘CC-- YES YF y
Other. -°° f -- -
STRUCTURAL:
Differential settling.
/`i rz
ND
AA)
Cracks, slides, or scarps. Po /V b Ai
Seepage (specify location, color, value). N0 /V O yr a
Defective spillways. • NO AI 0 N 0
Other. ' .-- ,
APPURTENANT STRUCTURES:
Defective spillways.
AJ0
APO
/U f?
Dewatering device clogged. N 0 /V h ' V
Cracking or crushing of pipes. NO No N /A •
Other. "—
COMMENTS:
.
siphon top = 75 %, bottom = 60 %.
siphon top = 66 %, bottom = 50 %.
Do i-Oe c,.- \ ibrw ?ot„I mk -vr t t_!eA r C O0 , 1 c.f 5
#05: 60% level = top of post - 4.5'.
#04: use riser /siphon tube as sediment marker;
#02: use riser /siphon tube as sediment marker;
* 65 See P4.�e ao 1.0 VI 1 Ar'to.w+
MAINTENANCE REQUIRED:
�j
C9' /U NGtIipe # O2
1�I 42f 1.4. A) a Al Aline #'O 5
N�ea to O 51 dY
* 1 Cnh9. 1 htee. A vvla0
J ` R
- _14
FILE: 118.7
OPERATOR: TRAPPER MINING INC.
INSPECTOR: G
DRAINAGE: NO NAME
QUARTERLY SEDIMENT POND INSPECTION REPORT
SIGNATURE:
QRTR 20 1
TRAPPER MINE
DATE OF INSPECTION 6 I 1 7 / 201I
G lit / 201/