HYDRO31067

• Permit No: C1981038
• IBM Index Class Name: Hydrology
• Doc Date: 8/7/1987
• Doc Name: SEDIMENTATION PONDS QUARTERLY STRUCTURAL INSPECTION POND #1
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

COLORADO WESTMORELAND INC.
ORCHARD VALLEY MINE
Sedimentation Ponds
Quarterly
Structural Inspection
_. POND N0. Z
Quarter: 3 rd Inspection Date: 4/7 ~ G7
OPERATIONAL STATUS AT TIME OF INSPECTION
Overflow Elevation: 1~,7. '~ Clean Out Elevation: 94, S
Approximate Water Elevation at Time of Inspection: ~Ir ,~
Approximate Sediment Elevation at Time of Inspection: ~wrw// g~,..,o~.,,f n*/y/et~
Outflows C.F.S.) at Time of Inspection: //n r,r
FEATURES:
EROSIONAL:
Rills and Gullies on Flsbankment
Inadequate Vegetation
Outlet Qiannel Erosion
Burrows
Other
X {
An~..,wl
{ to war
(jc.rrpw oy
s~dQ (r-qs,~)
bin wAII
STRUCTURAL: {
Differential Settling { {_~{ {
Cracks or Slides { { ;! { {
Seepage { { ;f { {
Other { { X { {
{ APPURTENANT STRUCTURES: {
{ Defective Spillways {_J ~ { {
{ De watering Device Clogged {_J X { {
{ Faulty Gates, Baffles, Pumps { _J ~_ { {
{ Other {~ ~{ {
No„Q
I MAINTENANCE REQUIRED:
Nave /co%Ced :~f nH~.,oI bvrro~r nli*y/~ closNr, 6wrrow< rv.~+
nlcn [ bin ww/l5 nhd nr~ ihiG face O~Y{~~ o~~~+-:~ ~,o .Hw~nfGw~~
NAME OF INSPECTOR: ti~i~l~n ~ /f'"/~__/~