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DAM NAME: San Luis Tailing Dam <br />TAILING DAM INSPECTION FORM <br />DATE OF REPORT: 05/15/14 <br />Name of Professional Conducting Inspection: <br />Colorado P.E. License No.: <br />Alan C. Jewell, P.E. <br />29105 <br />Company Name and Address: <br />Phone Nos.: (970)682 -2555 <br />Miller Geotechnical Consultants, Inc. <br />(970) 988 -7969 <br />201 Linden St., Ste. 301 <br />email: Alan_Jewell @live.com <br />Fort Collins, CO 80524 <br />INSPECTION PREPARATION: I have reviewed all pertinent technical documentation related to this dam and site in the Owner's files: <br />0 Yes ❑ No Comment: <br />STATEMENT OF EXPERIENCE: I am experienced in the technical disciplines or I am working with other professionals experienced in the <br />technical disciplines to properly inspect this dam and appurtenant works. Technical disciplines in addition to general civil engineering may <br />include geotechnical, geological, hydrologic, hydraulics, and structural. <br />0 Yes ❑ No Comment: <br />YR COMPL 1990 -91 Ph I <br />T/R /Section <br />COUNTY <br />DATE OF INSPECTION:_04 /16114 <br />1993 Ph 11 Raise 1 <br />Not Applicable/ <br />COstilla <br />1995 Ph II Raise 2 <br />Sangre de Cristo Land Grant <br />DAM HEIGHT (FT) <br />DAM LENGTH (FT) <br />CREST WIDTH (FT) <br />PREVIOUS INSPECTION: <br />155 <br />1,900 <br />25 <br />None <br />FREEBOARD (FT) <br />DRAINAGE AREA (AC) <br />CREST ELEV (FT) <br />NORMAL STORAGE (AF) <br />POOL SURFACE AREA (AC) <br />12+/- <br />8620 <br />BEACH LENGTH ABOVE POOL (FT): 600 FT <br />DIVERSION CHANNEL CAPACITY (CFS): 210 <br />OWNER: <br />OWNER REPRESENTATIVE /CONTACT: <br />Battle Mountain Resources, Inc. <br />Julio Madrid <br />OWNER ADDRESS: <br />OWNER CONTACT PHONE NOS.: <br />P.O. Box 310 <br />719 - 379 -0538 (Cell) <br />San Luis, CO 81152 <br />FIELD CONDITIONS <br />WATER LEVEL BELOW DAM CREST: 12 FT +1 <br />OBSERVED <br />GROUND MOISTURE CONDITION: 2 DRY ❑ WET ❑ SNOW COVER ❑ OTHER <br />Directions: Mark and X for conditions found and underline words that apply <br />UPSTREAM SLOPE AND BEACH AREA <br />PROBLEMS NOTED: ❑ (0) NONE ❑ (1) EROSION PROTECTION - Missing, Sparse ❑ (2) BEACH AREA WAVE EROSION <br />❑ (3) CRACKS WITH DISPLACEMENT ❑ (4) SINKHOLE ❑ (5) APPEARS TOO STEEP <br />❑ (6) DEPRESSIONS OR BULGES ❑ (7) SLIDES ❑ (8) ANIMAL BURROWS <br />10 (9) OTHER: Area on slope near recirculation pipeline needs refilling. <br />CONDITIONS OBSERVED: D GOOD ❑ ACCEPTABLE ❑ POOR <br />CREST <br />PROBLEMS NOTED: 0 (10) NONE ❑ (11) RUTS OR PUDDLES ❑ (12) EROSION <br />❑ (13) CRACKS WITH DISPLACEMENT ❑ (14) SINKHOLES ❑ (15) NOT WIDE ENOUGH <br />❑ (16) LOW AREA ❑ (17) MISALIGNMENT ❑ (18) IMPROPER SURFACE DRAINAGE <br />0(19)OTHER <br />CONDITIONS OBSERVED: 0 GOOD ❑ ACCEPTABLE ❑ POOR <br />DOWNSTREAM SLOPE <br />PROBLEMS NOTED: ❑ (20) NONE ❑ (21) LIVESTOCK DAMAGE Z (22) EROSION OR GULLIES <br />❑ (23) CRACKS WITH DISPLACEMENT ❑ (24) SINKHOLE ❑ (25) APPEARS TOO STEEP <br />❑ (26) DEPRESSIONS OR BULGES ❑ (27) SLIDES ❑ (28) SOFT AREAS <br />❑ (9) OTHER: <br />CONDITIONS OBSERVED: ❑ GOOD 0 ACCEPTABLE ❑ POOR <br />Area of previous erosion gulley in right groin repair eroded again and needs repair /erosion protection. <br />Page 1 of 4 <br />