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Drainage Area No. 6A a.nd N'?=-_6!?.,_ Drainage System Al~payt(!!~tJ:~EC.!__.~5~~:h o!..]ggr~li~~:~.;Ul.a]: (Master Plan Drawi~~~~~~.~l: 'T'hi3 drainage system is Cl continuation of the system south of the Highline Canal. The storm s,~,.er ~1ill collec1: storm'vater from the outlet. of the Dayton Detention Pond and the dra:..na.]e system along Kent.ucky Drive and convey i'l: to th.e intersection of Alameda Avenue and Dayton Street. TJ1is storn sewer also serves about 115 acres o:E drainage area (part of Drainage Area No. 61,) on both sides of Dayton Street for d 'i-.year storm event.. Manr.oles ~le:re designed at si:reet intersections for future storm seVier connec"tions. Drai nage System From ,Vinds~~,-..!cak~_ t~~_~~~E:Ll~ir F,?rce _ Ba.::~~:. (Master Plan Drawing No. 17): This drainage system is designed to relieve the drainagE' are '1 ((1.16 square mileE:) located wesi: of Windsor Lake anti south of the Highline Canal. This system provides a 5-yeaJ:' storm drainage ou.tlet for this area. The design .terminates at the '3out.h bank of the Hiqhline Canal becanse this area has not been developed. A manhole will be provided a.t .the end of this syst.em for a fu.ture storm se~ler connection. This draina']e sY~c;tem is also designe6. to collect the 5-year frequency stor11vlatE'r ::rom the area (35 acres) west of Windsor Gardens between Alameda Avenue and .the Highline Canal. The s tormwa ter conveyed by t.his sys 1:em will discharge into a flood channel ".hich collects st:ormwater along the north side of Alameda Averl1e a.nd discharges ir.to .the proposed Upper Lowry Det:en.tion Por,d.. Drainage System Along Alameda. Avenue, Letvleen Dayton :~~tree~ and Havana Street (Master P lan))rcli"in<j No. 18): Becau se of the natural topography, the ciri:;:rr~lge .-i;ys tE,m along Alameda Avenue between Day1:on Street. and Iiavaca Street is de:3igned to convey .the runoff from a 5-year frequency storm in tw'O directions. The area west of Galena Way will drain into a 42-inch RCP to the west.. The storm'rlater will combine witch that conveyed by the Da.yton Street. ekc.inaqe ~3ys1:e:m and drain into the flood channel alonq the norj:'~ ~;:Lde of Alamecla Avenue. The area eaE:t of Galena. \'Jay' will dra:.r into a 48--in Rep too the east and combine "lith the stormwater from the existing Havana Street drainage system and t~e outlet pipe from Pond A-B. Drainage System Along Alameda Avenue from Pond A-B to Havana Street (l1aster'P1'anIJ:i~a'w-In<3-J~O:--'8): The 96-=Tnch RCP storm sewer is des.Lgned-tQC'OlM;-;".cU;;., lOO-year outflow from Pond A-'B to the intersection of }\lameda Avenue and Havana Street. Thi.s improvement is designed in addition to rai:3ing the .Clmbankment in order to have a faster relief from Pond A-B so that it will contain a lOO--year S1::orm eVE,nt without. E~merJency spillway overflow. -24..