Laserfiche WebLink
I~ <br />' OWA Subbasin HR-6: (Above Access Road) <br /> Stor• Flow Based E6tt~ated Flow <br /> Eveal oa New Dased oa Old <br />' Crlterla Crlterla <br /> QS = 36.0 CFS = 27.5 CFS <br />' Q1o = 46.'2 CFS 35.3 CFS <br /> Qsd = 56.4 CFS _ <br />43.1 CFS <br /> Q1oo = 78.5 CFS = 60.0 CFS <br />' <br /> together with Subbasin I-l.a. & 1-l.b. (Area between Access Road and <br /> Cedar Heights Drive) <br />1 <br /> btor~ Flow Based Estl~ated Flov <br /> Evaal oa New Dased oa Old <br />' Criteria Cr3terla <br /> Qa = 8.1 CFS = 6.2 CFS' <br /> Q1p = 9.9 CFS <br />7.6 CFS 5G <br />,q- <br /> , <br />' _ <br />QYd = 12.3 CFS 9.4 CFS <br />'~ <br /> ~ 11 , <br /> Q1oo = 17.ru CFS = 13.3 CFS ~. .) <br />~ g <br />' + Corresponds to Cedar tlelphta Flllap No. 1 Drala ape peport/Plea. <br /> It should be noted that the basin contributing to this falcility <br /> according to the Drainage Report and Plan for Cedar Heights Filing No. 1 <br />' included only Subbasin I-l.a. and I-l.b. with no accommodation made Por <br /> ~ <br />flows from above the access road. <br /> <br /> II. EXISTING FACILITY AT CEDAR HEIGHTS GUARD HOUSE <br />' The existing facility under the Snyder Quarry Access Road and Cedar <br />Heights Drive just South of the Cedar Heights Guard House consists of a <br />54" CMP (at the entrance) and a 30" CMP (at the exit) with th~a size <br />' change location unknown. The capacity based on available headwater <br />depth (HW/D = 1.9) is 170 CFS. The pipe capacity Is based on a straight <br />grade from entrance to exit (21%) and using the 30" sly ze is 102 CFS. <br />' The naturally occurring contributing basin to this culvert is as Pollows: <br />OWA Subbasin HR-7 (New Criteria flows only) <br />' Qto = 46.7 CFS <br />Qsd - = 57.0 .CFS <br />Qtoo = 79.2 CFS <br /> <br />3 <br /> <br />