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<br /> <br />N <br />I, MICHAEL W. LUDLOW, A REGISTERED PROFESSIONAL ENGINEER IN THE STATE OF <br />COLORADO, DO HEREBY PROVIDE THE FOLLOWING CERTIFICATION IN ACCORDANCE <br />WITH COLORADO MINED LAND RECLAMATION BOARD RULE 4.05.6 (10). <br />THIS CERTIFICATION STATEMENT PERTAINS TO SEDIMENT POND E, ORIGINALLY <br />PERMITTED AND CONSTRUCTED UNDER PERMIT NO. 76-16 AND INCORPORATED INTO <br />EXHIBIT 8 OF FISH CREEK TIPPLE PERMIT NO. C-82-056 IN 1985. SEDIMENT POND E LIES <br />NORTH OF THE FISH CREEK TIPPLE INSTALLATION INTHE NW'/. AND NE'/. OF THE SE'/ OF <br />SECTION 2, TOWNSHIP 5 NORTH, RANGE 86 WEST. <br />IN PREPARING THIS CERTIFICATION, AN AS-BUILT SURVEY WAS GENERATED AND <br />COMPARED W[TH THE DESIGN CRITERIA SPECIFIED IN FISH CREEK TIPPLE PERMIT NO. C- <br />82-056, EXHIBIT 8, SEDIMENTATION POND DESIGN, CERTIFIED AUGUST 8, 1985 BY ELDON <br />D. STRID, A REGISTERED PROFESSIONAL ENGINEER IN THE STATE OF COLORADO. <br />A FIELD INSPECTION WAS CONDUCTED ON NOVEMBER 27, 1996 TO VERIFY THE <br />ACCURACY OF THE CURRENT AS-BUILT DRAWING PROVIDED BY EPP AND ASSOCIATES. <br />THE SURVEY INDICATES THAT THE ELEVATION OF THE EMERGENCY SPILLWAY IS 0.4 <br />FEET LOWER THAN THE TOP OF THE RISER. THIS ELEVATION DIFFERENCE MAY BE DUE <br />TO SOME SETTLING OF THE EMBANKMENT, ICE HEAVE ON THE RISER PIPE, OR A <br />COMBINATION OF THE TWO FACTORS. DUE TO CURRENT CONDITIONS AT THE SITE, <br />MAINTENANCE WORK WILL BE ADDRESSED IN THE SPRING OF 1997 TO CORRECT THE <br />OUTLET ELEVATIONS TO MEET THE DESIGN SPECIFICATIONS. THE CONFIGURATION OF <br />THE PRIMARY SPILLWAY STRUCTURE CONFORMS TO THE DESIGN SPECIFICATIONS <br />WITH ADEQUATE SEDIMENT STORAGE PROVIDED BELOW THE LOWEST RISER HOLE. <br />THIS INFORMATION IS BASED UPON MY INQUIRY OF THE PERSON RESPONSIBLE FOR <br />COMPLETING THIS EVALUATION. <br />,~4PPROYED JUN 2 7 a98~ <br />fR- acs <br />I l~ 4G <br />DATE <br />.~~ <br />