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Q) <br />C, <br />m <br />J <br />U <br />c- <br />IMPOUNDMENT <br />EMBANKMENT <br />RETENTION <br />\ <br />POND <br />S38? sO \ <br />BASKET R <br />" <br />E HIGH (MIN.) <br />ul <br />1/4" OPENINGS (MAX.) <br />\ <br />3" MAX. <br />4" PVC Sm = 1/4" PER FOOT <br />4" THREADED CAP 4 TEE <br />I <br />( REMOVE TO ALLOW DAYLIGHT TO DRAIN <br />\ <br />PIPE CLEANING) <br />4" POND DRAIN <br />yN <br />TS <br />N -1 5 T <br />CP / <br />W <br />aP <br />2' MIN. <br />O �. A <br />RUNOFF FROM <br />ONSITE BASIN 20 <br />ELEV. 5383.0 <br />'sue <br />� <br />OFFSITE: TOWARD <br />COUNTY ROAD U17 3' <br />A <br />53 81 PO �b ORMWATER <br />—� 3.� <br />ETENTION POND 20 <br />\ \ <br />COMPACTED <br />EMBANKMENT <br />SECTION F -F' <br />N TS <br />W D +, <br />co <br />0 / <br />\ <br />\ 5383. <br />5382.0 TOP OF RIPRAP 5383.0 <br />cnoN� <br />EMBANKMENT 5383.00 (EXISTING) <br />\ <br />, <br />, E EV•,00 5381.27 <br />5381.10 N <br />,. <br />-S WAY= <br />COMPACTED"---1,01' 5380.60 <br />OMPACTED <br />6" THICK RIA AP BLANKET <br />NATIVE ROC (ANG LA <br />* (10 -YR ELEV.) � / <br />f�MBANKMENT y, \ \ / \ \� <br />/ 6" THICK RIPRAP BLANKET: <br />d3o = 3" APPROX:) <br />---__ GULAR ROCK (NATIVE MATERIAL) <br />(SEE S C140N) <br />�\\ \ 4' d,o = 3-(APPROX.) <br />20 40 OCK <br />* - USE NATIVE MATERIAL FROM DETENTION POND EXCAVATION. \ <br />INSTALL AS LOCATED ON PLAN IN 6" LIFTS (MAXIMUMUM). <br />OUT ROP <br />� <br />WHEEL ROLL EACH LIFT TO MAXIMUM VISUAL COMPACTION. Ir <br />� <br />l <br />SCALE 1 " _ � � <br />SECTION G -G' <br />N TS <br />l <br />REVISION ® RLC DATE 4/30/2013 <br />Rte , ®— DATE <br />DRAWN eY RAC DATE 7/20/2012 <br />° �"m By P,° °A�7/20/2012 <br />2350GRoad <br />Grand Junction, Co. 81505 <br />O onnor pesi Group Inc. <br />RETENTION POND 20 - GRADING AND DETAILS <br />DRAINAGE DESIGN PLAN <br />PNO 7/20,/2012 <br />Phone: 970 241 -7125 <br />( ) <br />REVISION ®- DATE <br />CHECKED BY DATE <br />Fax: (970) 241 -7852 <br />COTTER CORPORATION MINE SM -18 <br />SHEET 7 of 11 <br />