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North Eagkview Draarage Concept Phase <br />CONCEPT "POND°- RE6ICNJAI DETENTION POND <br />1. Construct Regiornl Detartiar Pad north of the #3 Ditch with small discharge chaarel rrorth, or <br />2. Castnrct n koge chard from the #3 Ditch to the Eavel Pit pad <br />The SWMM model of this co^cePt k n modification of models set up for akernates of Concept 'Floor' -conveyance <br />across the #3 Diteh. The model shoars that the proposed North Eagkview Regianl Dctentim Pmd could have to <br />provide 72 nine feet of storage whore, os suggested by R6 Eng6rerl's, Lrc k their Eagkviarr Pond design report. <br />We laid out o pad to provide that whore immediately north of the #3 Ditch k the CAD bole mapping and cleated <br />a crew digitd terrain model for the finished surface of the pond The pad wwdd ocarpy 12 acres of grand <br />extad'mg myth from the #3 Ditch abort 500 feet by 1,100 feet east rest. <br />A/iernofe 1- llbrlh 6agleview IPegionalQeferrfimr Ford site (bokirg emY) <br />The srndl dischage charrJ world exit the Regioral Pond at the far kft of the photo just this side (west) of the <br />car of hawses m Starreybrooke subdivisiarr. The 10' wide, 2' deep cteararel rordd comet' 100 cfs peak fkr myth <br />amtha• 1,000 feet ad across F Street towads the historic dravroge path at the bridge order the railroad tracks <br />The okernative to buiklurg o Regiard Ford with smo11 chomd k to build a hags chancel (24' to 30' oriels, 5 deep with <br />a iripk 4' x10' x 90' hox arhrat under F St) dl the way from the #3 pitch uossorg (Concept °FkwP) to the 6rnvel <br />Pit pond on the north side of F Street. The hags charnel would begin at the foot of the myth bade of the #3 Ditch <br />just beyond the four cottonwood trees k the carter of the photo. The charerel would nor east to near the row of <br />houses, then flan north (left m the photo) to F Street_ <br />Page 8 <br />The photograph belay shows the proposed pad site on lad owned by Marilyn Bran. The #3 Ditch traverses the <br />photo from kft forrryornd to the r+ghT with the four cottamraod ir+ees alag its rwrth hardc Eogkvier Pad is on <br />the right, the surgk cottonwood tree an the exhpne right studs at B St. The hair grovel lyvg eosF ad myth of <br />the #3 Ditch would be completely ocapkd by the {Legiaml Farrel <br />