HYDRO22075

• Permit No: C1994082
• IBM Index Class Name: Hydrology
• Doc Date: 7/26/1999
• Doc Name: 2nd Qtr 1999 Sediment Pond Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION PORN
Water, sediment, or Slurry Iaposmdmeate
INSPECTOR'S NAME: Michael Altavilla DATE: 06~30~99
NPDES I.D. NO.: Co-0000221 n.P. G 77_
FACILITY CONPIGURATION: Creea-Vat_1,@ y Pond DATE LAST INSPECTION: 03/31/99
SITE NAME: Pend 1011 LOCATION: NRt, cW34i cp~16 m5N R87W
MINB NAME: Yeaat Mine ($ n ca eat e~ LOCATION: 8.5 mi_ aR of Nlydan~ Co
MINE I.D. NO.: CMT.Rit Permit No. -9 d-082 OWNER'S REP.: Brad Brown Gen Mgr
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6.
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19.
20.
Foundation preparation (removal of vegetation, stumps, topsoil: ~ Yee
Lift thickneees _8_
compaction according to approved plan: 'C~ee
Burning (specify extent and location): Yee
Angle of elope: 3.0:1 upstream, 2_e:l downstream
*seepage (specify location, color, and approximate volume)
From underdrain pipes:
At isolated points on embankment elopes:
At natural hillside:
Over widespread areas:
From downstream foundation area:
"Boils" beneath stream or ponded water:
Cracks or scarps on crest:
Cracks or scarps on elope:
Sloughing or bulging on elope:
*Major erosion problems:
Surface movements in valley bottom or on hillside:
*Eroeion of toe:
*Water impounded against toe:
Existing embankment freeboard: A~~rox imately
Increase _7L Decrease in water level:
Cracks, bulging, or erosion on upstream face:
Visible sumps or sinkholes in slurry surface:
*Clogging
Spillway channels and pipes:
Decant system:
Diversion ditches:
*Cracking or crushing of pipes
Spillway pipes:
Decant system:
Traah racks clear and in place:
Yee No N/A
Yee No N/A
Yee No N/A
Yee No N/A
Yee No N/A
Yee No
Yee No
Yes No
N/A
N/A
N/A
*Major adverse changes in these items could cause instability and should be reported to
the Engineering Manager and Mine Superintendent for further evaluation. Adverse
conditions noted in these items should normally be described (extent, location, volume,
etc.) in the apace on the back of this sheet.
No
in.
No
No
Total = S.R:1
Yee o
Yee
Yee
Yee o
Ye8
Yee O
Yee No
Yee
Yee No
Yes
Yee
Yes
Yee ©o
7S_S feet
3.0 feet
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A