HYDRO22969

• Permit No: C1981038
• IBM Index Class Name: Hydrology
• Doc Date: 9/13/1989
• Doc Name: 3rd Qtr 1989 SEDIMENTATION PONDS INSPECTION
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

• COLOP.ADO WESTMORELAND INC. •
ORC4ARD VALLEY MINE
Sedimentation Ponds
Quarterly
Structural Inspection
POND N0,
Quarter: ~ ~ ~ Insoection Date: ~~ ~ I ? ~ _~~'
OPERATIONAL STATUS AT TIME OF INSPECTION
Overflow Elevation: I!'!. ? Clean Out Elevation: ~• './
Approximate Water Elevation at Time of Inspection: ~ 7. /'7
Approximate Sediment Elevation at Time of Inspection: r~/n ; r_~~ ~ t~' -;~' -
Outflows (C.F,S.) at Time of Inspection: /~I ('~ li =
FEATURES:
AREA
YES NO COMMENTS
EROSIONAL:
Rills and Gullies on Embankment ~ x
Inadequate Vegetation ~ ~:
Outlet Channel Erosion ~ ~
Burrows _
Other I ~ ~'
STRUCTURAL:
Differential Settling ~ -J X
Cracks or Slides _~ ~.
Seepage ~ `
..Other ... :. ~ ~'
APPURTENANT STRUCTURES:
Defective Spillways ~ J k ,.
Dewatering Device Clogged _
_~ x .~.
Faulty Gates, Baffles, Pumps ~ '~
Other _J ?`
_..
ADDITIONAL COMMENTS:
MAINTENAfVCE REQUIRED:
~. ~ , /%' ,
NA„E OF INSPECTOR: ~_ ~-_ ~- - _~t~ : - i --