HYDRO27406

• Permit No: C1981038
• IBM Index Class Name: Hydrology
• Doc Date: 1/21/1994
• Doc Name: ORCHARD VALLEY MINE SEDIMENTATION PONDS QUARTERLY STRUCTURAL INSPECTION POND 1
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

ORCHARD VALLEY MINE
Sedimentation Ponds
Quarter -•-
Structura nspectlon
POND N0. Z
puarter: / t Inspection Oate: /-li 1'y
OPERAT10NAl STATUS AT TiHE OF INSPECTION
Overflow Elevation: _ia?D Clean Out Elevation: 9y.J`-
Approximate water Elevation at Time of Inspection: >yf (c r )
Approximate Sediment Elevation at Time of Inspection:• Syr (r,~-~"'~`^--.--
Outflows (C.F,S.) at Time of Inspection; p
FEATURES:
AREA
YES NO ('OfWFNTS
EROSIONAL:
Rills and Gullies on Embankment _J ~

Inadequate Vegetation _
_~ ~_
6utlet Channel Erosion _~ ~~
Burrows -
_J ~
Other _
_.J t
STRUCTURAL:
Differential Settling _J ~_
Cracks or Slides _~~_
Seepage _•_,f ~_
Other +~ - t~
APPURTENANT STRUCTURES: _
Defective Spillways _J ~_
Oewatering pevice Clogged _J ,r .
Faulty~Gates, Baffles, Pumps _J
Other ,_J
Au NAL COH1•iENiS:~~c
MA NTENANC REJUIREU: ~~al~c ,~„ q~ert v~wvf
NAMF QF iHCCCrTno• ~.~c/G~i~" i