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<br />Jonn Andert Parccl SDlit <br />Roseville, Mi~nesot2 <br /> <br />Sh~~t q 0" If <br /> <br />Table 3 R~NOfF QUANTITY CALCULATIONS <br /> <br />EX13t Usa-, ,~: ane-Acr~ Lot Propo~"'d Usage: ~!2 Acre Lot <br /> Type A Sol1 Type A Soil <br />P : 5.B~ in/day 100-yr, 24 hr P = 5.8:; in/day 100-yr, 21\ hI" <br />-.. = 0.25 Acres A = 0.21 Acres <br />q = 1. 16 in. p.er Acre Q = 1.38 in. J.oer Ac.e <br />Q = 0.25 :It 1.16/12 Q :: 0.21 x 1.38/12 <br /> ,- 0.024 A c.L p.- ft. :: O.O2!1 ACI-e-f.~ <br /> mat. ru~ -f - ~a J: . runoff <br /> , iO-yr, 24-hr ,GO-VI" . 2i1-hr <br /> <br />iF,OSION PROTECTION <br /> <br />C~nstructlon Runoff - Turf and trees alcng the prvp~rty line <br />shall be untouched. Erosion cnntr~l ~arrier such as En~irofence <br />or apprcved ~Gual silt fen~e shall b~ in~lalled alo~g ~l <br />downstream sides of grading ?rea. This fence shall be mai~talned <br />and remain in place until final sodding is established. <br /> <br />Runoff Aft~r Construction - Proposed construction will result in <br />even less erosion than pr~se~t ~s&ge. Existing trees and grass <br />along the property li~e are to be retained and ru~cff rate after <br />construct1cn will be 301 less thcl existing ':sage. Fig. 4 is a <br />copy of the topographjcal ~ap of this area ~howing ~lrnllar <br />grading f~ur blocks North ~f sit~. <br /> <br /> <br />I h~reby ~ert1fv t~at this report wag prepared by me or under my <br />~"_"!""'o" ~..._..,,_...:_.:...._ __.11 &'\..._4. T __ _ ';.a~... ':)__1_..#"0._".... t',_.......:-..........I....__' <br />....._a __-.. ........r-..... .......;.............t ~,..... w..."" ..... "'... .g .........&.,; ..,-O......~................. ... _...-...:..,...30....v..G.A. <br />Engineer un;.'r the laws of the <br /> <br />Stat~ o~ Min~esctaL <br />/J - <::.:;:1// <br />oC~~<"""''' '"1/ ~ )k <br /> <br />Den~is E. Brown, P.E. <br />MS R6g. No. 741:2 <br /> <br />'8 -- q - q 0 <br /> <br />Dnte: <br /> <br />---~ <br /> <br />