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PERIODIC INSPECTION FORM <br />Stockponds or Sumps <br />INSPECTOR'S NAME: Michael G. Altavilla DATE: 09/28/94 <br />FACILITY CONFIGURATION: Stockoond DATE LAST INSPECTION: 6/8/94 <br />SITE NAME: T-1 SITE LOCATION: SE'~SW~t, Sec 2, TSN, R87W <br />MINE NAME; Seneca II LOCATION: 7.1 mi SE of Havden, Colorado <br />MINE I.D. NO.: C-80-005 OWNER'S REP.: Scott Williams, Supt. <br />Circle or write in aonropriate resvoase <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 />Angle of elope: 3:1 upstream, 4:1 downstream <br />*Seepage (specify location, color, and approximate volume) <br />At isolated points on embankment elopes: <br />At natural hillside: <br />over widespread areas: <br />From downstream foundation area: <br />"Boils" beneath stream or ponded water: <br />Cracks or scarps on crest: <br />Cracks or scarps on slope: <br />Sloughing or bulging on elope: <br />*Major erosion problems: <br />Surface movements in valley bottom or on hillside: <br />*Eroaion of toe: <br />*Water impounded against downstream toe: <br />Existing embankment freeboard: from crest <br />Increase X Decrease in water level: Approx. <br />Cracks, bulging, or erosion on upstream face: <br />Spillway erosion: <br />*Clogging <br />Spillway channels: <br />Diversion ditches: <br />Yea ~ N/A <br />Yes ~ N/A <br />Yes ~ N/A <br />Yes ~ N/A <br />Yes Qtal N/A <br />Yee Noi N/A <br />Ye9 ~O N/A <br />Yea ( I~o; N/A <br />2 feet (approx) <br />1 feet <br />Yes ~ N/A <br />Ye ~ No N/A <br />Yes ~n N/~ <br />Yes Nos N A <br />•Major adverse changes in these items could cause instability and should be reported to <br />the Engineering Manager and Mine Superintendent for further evaluation. Adverse conditions <br />noted in these items should normally be described (extent, location, volume, etc.) in the <br />space on the back of this sheet. <br />Total = 7_1 N/A <br />Yes ~Ig% N/A <br />Yes ~gi N/A <br />Yes C9 N/A <br />Yes ~q% N/A <br />