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PERIODIC INSPECTION FORM <br />Water, Sediment, or Slurry Impoundments <br />INSPECTOR'S NAME: Dennis Jones DATE: ~~ -~ ~~~ 1 q <br />FADCILITYDCONFIGURATION: Incised Pond DATE LAST INSPECTION: •- ~ ~-~ <br />SITE NAME: Truck Wash Settling Pond LOCATION: NWT/. NE'/., Sec. 34, T6N, R87W <br />MINE NAME: Seneca II Mine (Seneca Coal Co) LOCATION: 7.1 mi. SE of Hayden, CO <br />MINE I.D. NO.: CDMG Permit No. C-80-005 OWNER'S REP.: Gregg Kitchen, Gen Mgr <br />Circle or write in aoorooriate reaoonse <br />1 <br />2 <br />3 <br />4 <br />5 <br />6 <br />7 <br />8 <br />9 <br />10 <br />11 <br />12 <br />13 <br />14 <br />15 <br />16 <br />17 <br />18 <br />19 <br />20 <br />Foundation preparation (removal of vegetation, stumps, topsoil: Yes <br />Lift thickness: N/A inches <br />Compaction according to approved plan: N A <br />Burning (specify extent and location): <br />Angle of slope: upstream, downstream Total = N A <br />*Seepage (specify location, color, and approximate volume) <br />From underdrain pipes: <br />At isolated points on embankment slopes: <br />At natural hillside: <br />Over widespread areas: <br />From downstream foundation area: N A <br />"Boils" beneath stream or ponded water: Yes No <br />Cracks or scarps on crest: <br />Cracks or scarps on slope: <br />Sloughing or bulging on slope: <br />*Major erosion problems: Yes No <br />Surface movements in valley bottom or on hillside: ~A <br />*Erosion of toe: <br />*Water impounded against toe: <br />Existing embankment freeboard: (normal 5.0') ~,O feet <br />Increase Decrease in water level: ~.~ ~~a4~o feet <br />Cracks, bulging, or erosion on upstream face: N A <br />Visible sumps or sinkholes in slurry surface: N A <br />*Clogging <br />Spillway channels and pipes: <br />Decant system: <br />Diversion ditches: <br />*Cracking or crushing of pipes <br />Spillway pipes: <br />Decant system: <br />Trash racks clear and in place: _ <br />N/A <br />N/A <br />Yes No N/A <br /> <br /> <br />Yes No N/A <br /> <br />Y s No N/A <br />*Major adverse changes in these items could cause instability and should be reported to the <br />Engineering Manager and Mine Superintendent for further evaluation. Adverse conditions noted <br />in these items should normally be described (extent, location, volume, etc.) in the space on <br />the back of this sheet. <br />