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PERIODIC INSPECTION FORM <br />. Stockponds or Sumps <br />INSPECTOR'S NAME: Mike Altavilla DATE: 09/29/00 <br />FACILITY CONFIGURATION: Stockpond DATE LAST INSPECTION: 06/29/00 <br />SITE NAME: T-4 LOCATION: SW'/.NE%,Sec11,T5N,R87w <br />MINE NAME Seneca II LOCATION: 7.1 mi SE of Hayden, CO <br />MINE I.D. NO.: G80-005 OWNER'S REP.: Brad Brown, Gen Mpr <br />Circle/Indicate or write in aoprooriate response <br />1. Angle of slope: 3:1 upstream, 2.5:1 downstream Total = 5.5:1 N/A <br />2.'Seepage (specify location, color, and approximate volume) <br />At isolated points on embankment slopes: Yes No N/A <br />At natural hillside: Yes No N/A <br />Over widespread areas: Yes No N/A <br />From tlownstream foundation area: Yes No N/A <br />"Boils" beneath stream or ponded water: Yes No N/A <br />3. Cracks or scarps on crest: Yes No N/A <br />4. Cracks or scarps on slope: Yes No N/A <br />5. Sloughing or bulging on slope: Yes No N/A <br />6.'Majorerosionproblems: Yes No N/A <br />7. Surface movements in valley bottom or on hillside: Yes No N/A <br />8.' Erosion of toe: Yes No N/A <br />9.' Water impounded against downstream toe: Yes No N/A <br />10. Existing embankment freeboard: approximately 9.0 (feet) <br />11. _ Increase Decrease in water level: No Change (feet) <br />12. Cracks, bulging, or erosion on upstream face: Yes No N/A <br />13. Spillway erosion: Yes No N/A <br />14. 'Clogging <br />Spillway channels: Yes No N/A <br />Diversion ditches: Yes No N/A <br />'Major adverse changes in these items could cause instability and should be reported to the Engineering Manager and <br />Mine Superintendent for further evaluation. Adverse conditions noted in these items should normally be described <br />(extent, location, volume, etc.) in the space on the back of this sheet. <br />~4-/Jnw/I/Jr~yedl.pmv/JNQr,"/'C'up/ <br />1 <br />