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N ural Drainage Diversion <br />Collection Pon <br />Diameter of bottom of <br />pond = 60' covering 0.065 <br />acres. Sidewall slope <br />Weir 12'W x 2'D <br />2H; 1v. <br />Containment volume to <br />weir = 0.566 ac.- ft. (weir <br />height is 6' above bottom). Earthen & Rock Backfill, <br />Revegetated for <br />Erosion Control <br />Sediment pond embankment shall be constructed using <br />native Cathedral soil, as it has been described in Exhibit B. <br />Embankment preparation shall be done to remove any <br />vegetation and tree growth from the area. The foundation <br />of the embankment shall be excavated and scarified to <br />reach consolidated soil. <br />Fill material shall be placed in 8- to 12 -inch lifts over the <br />entire width of the embankment. Compaction shall be <br />obtained by routing the excavating equipment over the fill <br />so that the entire surface of each lift is traversed at least <br />once by the equipment tire /track. <br />Down - Gradient Monitoring <br />Well (see Exhibit C, 6.33(1)0) for <br />construction specifications <br />Rip- Rapped Weir & Spill ay (apron tape ' W down to 20'W) <br />constructed with Type L rip -rap, nom. dia eter 0 = 9 " , <br />hand placed, de of 18" . Rubble and /or s ightly we red Po o LICE <br />- ' available material at meets this o�•MESMy <br />stone sort�n site from av <br />M 421 <br />size specification shall be acceptable for use. A9oF7:z�,� <br />F SSION QF <br />U <br />ac <br />FBI <br />� rt <br />a� <br />y <br />a� <br />a� <br />o <br />o <br />•� <br />o <br />� <br />rt� <br />o <br />y <br />r <br />�16� <br />•,', bli <br />r <br />'r <br />O` :+ <br />rl � <br />DO <br />O O <br />� ^ r <br />r <br />r <br />a� <br />V <br />4� <br />O 4� <br />4� <br />E1 <br />a� <br />y <br />a� <br />a� <br />o <br />� <br />•� <br />o <br />P <br />o� <br />a <br />E1 <br />