HYDRO24066

• Permit No: C1981038
• IBM Index Class Name: Hydrology
• Doc Name: SEDIMENTATION PONDS QUARTERLY STRUCTURAL INSPECTION
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

• ORCHARD YALLEY MINE •
Sedimentation Ponds
Ouarterl -••
Structura nspection
POND N0. 2
~-
it ~/
Quarter: yrli• Inspection Date:._~C..9i
OPERATIONAL STATUS AT TIME OF INSPECTION
Overflow Elevation: _ loop Clean Out Elevation: 9>•1^
Approximate water Elevation at Time of Inspection: yr Z
Approximate Sediment Elevation at Time of Inspection: s'o•8 ~~.r- -~~_f~,,,j
Outflows (C,F.S.) at Time of Inspection: ~.•;~,~/
FEATURES:
AREA
YES NO
COMMENTS
EROSIONAL:
Rills and Gullies on Embankment _~ ~C

Inadequate Vegetation _
_J ~_
Outlet Channel Erosion _~~_
Burrows `~ ~
Other _J ~
STRUCTURAL:
Differential Settling _~ X
Cracks or Slides _J x
Seepage ~J
Other _~~_
APPURTENANT STRUCTURES: _
Defective Spillways _J ~_
Dewatering Device Clogged _~ ~_
Faulty•Gates, Baffles, Pumps _~
Other _J L
AU
NAL COMMENiS:~~a ~~~,;~~„~,~ t~..,e %r,~f~ _ 4~~ ~•%r~
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MA NT NANC REQUIRED: Lea„ f~,/,,. ~„~ a~~~,,.~' s/~.q„ dory ~~ /•~~l

Sri / s.~ic~ ~ r
NAME OF tN~ocr7no• ~"~~ ~~