HYDRO31638

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 11/12/1993
• Doc Name: 2nd Qtr 1993 Inspections
• From: PEABODY WESTERN
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stockponds or Sumps
INSPECTOR'S NAME: Tom Wainwrioht DATE: June 10. 1993
FACILITY CONFIGURATION: Stockaond DATE LAST INSPECTION:
SITE NAME: T-4 SITE LOCATION: SW~NE~, Sec 11,TSN,R87W
MINE NAME: Seneca II LOCATION: 7.1 mi SE of Hayden, Colorado
MINE I.D. NO.: C-80-005 OWNER'S REP.: Scott Williams, Suot.
Circle or write is aonroPriate rasoonse
1
2
3.
4.
5.
6.
7.
8.
9.
10
11
12
13
14
Angle of slope: 3:1 upstream, 2.5:1 downstream
*Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes:
At natural hillside:
Total = 5.5.1 N/A
Yes ~NQ. N/A
Yes ` NO~ N/A
Over widespread areas: Yea `Nry N/A
From downstream foundation area: Yes `N9-~ N/A
"Boils" beneath et ream or ponded water: Yee CNo N/A
Cracks or scarps on crest: Yes `NO N/A
Cracks or scarps on slope: Yes LNO N/A
Sloughing or bulging on slope: Yes ~No~ N/A
*Major erosion problems: Yes LNO N/A
Surface movements in valley bottom or on hillside: Yes `NO; N/A
*Eroaion of toe: Yes Choi N/A
*Water impounded against downstream toe: Yes `NO,7 N/A
Existing embankment freeboard: feet
Increase Decrease in water level: feet
Cracks, bulging, or erosion on upstream face: Yes ~NO~ N/A
Spillway erosion: Yes `~. N/A
*Clogging
Spillway channels: Yes `No- N/A
Diversion ditches: Yes ~No~ 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 space on the back of this sheet.