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DAM NAME: San Luis Tailinax Dam DATE OF REPORT; 06 21 16 <br /> TAILING DAM INSPECTION FORM <br /> Directions: Mark and X for conditions found and underline words that apply <br /> SEEPAGE AND DRAIN OUTFALL <br /> PROBLEMS NOTED: ❑(30)NONE 0(31)SATURATED EMBANKMENT AREA ❑(32)SEEPAGE EXITS ON DAM <br /> 0(33)SEEPAGE EXITS AT POINT SOURCE 0(34)MINOR PONDING OF PIPE LEAKAGE AT TOE <br /> DRAIN OUTFALL SEEN: I,, YES ONO ❑(35)FLOW ADJACENT TO DRAIN PIPE 0(36)DRAIN OUTFLOW TURBID <br /> ❑(37)DRAIN DRY/OBSTRUCTED 1Y,(38)OTHER <br /> SHOW LOCATION OF DRAIN ON SKETCH See 2014 Detailed Inspection Report for location;approximately 40 gpm clear flow. <br /> AND INDICATE AMOUNT AND QUALITY Of SEEPAGE Pipes were successfully letted and camera inspected 19 Aug 2014 Pipes damaged,but <br /> conveying flow Seepage face at toe drain noted in previous inspections is now dry <br /> Outfalls now marnfolded to pumpback pond <br /> CONDITIONS OBSERVED: O GOOD 0 ACCEPTABLE ❑POOR <br /> STORM WATER MANAGEMENT SYSTEM <br /> PROBLEMS NOTED: ❑(40)NONE 0(41)NO EMERGENCY SPILLWAY <br /> ❑(42)EROSION AT DROP STRUCTURE ❑(43)CONCRETE DETERIORATED/UNDERMINED O(45)STRUCTURE MAY BE TOO SMALL <br /> 0(46)DIVERSION CHANNEL EROSION 0(47)INADEQUATE CHANNEL FLOW CAPACITY ❑(48)CHANNEL FLOW OBSTRUCTED <br /> 0(49)OTHER.Engineering design for South Diversion Ditch Improvements was completed in December 2015.Plans and specs <br /> for channel improvements and drop structure replacement address deficiencies noted in 2014 Detailed inspection Report. <br /> CONDITIONS OBSERVED: 0 GOOD 0 ACCEPTABLE 0 POOR <br /> MONITORING <br /> EXISTING INSTRUMENTATION FOUND: ❑(50)NONE ❑(51)GAGE ROD IN POOL AREA 0(52)PIEZOMETERS <br /> 0(53)SEEPAGE WEIRS/FLUMES ❑(54)SURVEY MONUMENTS ❑(55)OTHER <br /> MONITORING OF INSTRUMENTATION: 0(56)NO 0(57)YES <br /> PERIODIC INSPECTIONS BY: 0(S8)OWNER ❑(59)ENGINEER <br /> See attached piezometer measurements <br /> CONDITIONS OBSERVED: 0 GOOD O ACCEPTABLE ❑POOR <br /> MAINTENANCE AND REPAIRS <br /> PROBLEMS NOTED: ❑(60)NONE ❑(61)ACCESS ROAD NEEDS MAINTENANCE 0(62)CATTLE DAMAGE <br /> 13(63)BRUSH ON: UPSTREAM SLOPE/BEACH,CREST,DOWNSTREAM SLOPE,TOE <br /> 13(64)RODENT ACTIVITY ON. UPSTREAM SLOPE/BEACH,CREST,DOWNSTREAM SLOPE,TOE <br /> ❑(65)OTHER <br /> CONDITIONS OBSERVED: 0 GOOD ❑ACCEPTABLE 0 POOR <br /> OVERALL CONDITIONS <br /> Based on this inspection and recent file review,the overall surficial condition is determined to be: <br /> 0 SATISFACTORY 0 CONDITIONALLY SATISFACTORY ❑UNSATISFACTORY <br /> Page 2 of 4 <br />