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<br />(1)' ALIGN;'lENT A: <br /> <br />This is the existing drainage runoff path Hhich has r"esulted frora both <br />natural and man-made controls. <br /> <br />Alternate 1: Construct an improved trapezoidal shaped channel v:ith a <br />bot tom \vidth of 30 t c.nd 4: 1 side slopes. The approximate st.reet crossing <br />conduits required arE! as follows: <br /> <br />TABLE V-I <br /> <br />STREET CROSSIKG SIZES <br /> <br />St.reet Location <br /> <br />Conduit Size <br /> <br />Moss 28' x 4' CIlC" <br />Nile 28' x 4' C3C <br />Orchard 26' x 4' C3C <br />Pike 17' x 4 ' CI3C <br />Quaker 10 ' x 4' CBC <br />*CBC - Concrete Box CLib/ert <br /> <br />Alternate 2: Regrade the entire rear lot areas and enlarge the st"reet <br />crossing culverts corresponding to the sizes in TablE? V-I. The removal <br />of fences, floatable debris and other obs trllctions \-'hich impede the f .1.0\-' <br />of water. <br /> <br />Alternate 3: Construct a closed cODduit or pipe for the entire length of <br />the drainage-way (see Table V-2). This alternate would require an emergency <br />overflmv awale over the rear lot lines as a safety factor in case of partial <br />or total pipe plugging. No conduit is proposed bet\-'een Noss Street and <br />Nile Street, although an improved channel would be constructed ~.Jith area <br />clean-up. <br /> <br />TABLE V-2 <br /> <br />CLOSED CONDU IT SIZE <br /> <br />Reach Location <br />From To <br /> <br />Condui t S i~;e <br /> <br />Moss <br /> <br />Hle <br /> <br />Open Channel <br /> <br />Nile <br /> <br />)rcharc! <br /> <br />Double 72" RCP <br /> <br />Orchard <br /> <br />Pike <br /> <br />Double 5/," RCI' <br /> <br />Pike <br /> <br />~uaker <br /> <br />Single 72" CSI' <br /> <br />Alternate 4: Do nothing and utilize Flood Plain Zoning. <br /> <br />,?3 <br />