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<br />tions for Running Creek are, <br /> <br />Flooded Areas <br /> <br />1. Table-5,"FloodElevations". <br /> <br />In Colorado, the 100-year flood has been selected to delineate and <br />regulstcfloodpl"ins. Therefore, the flooded areas maps show the lOO-year <br />floodplain boundary for Running Creek and the Eli~abeth major drainageways. <br />The mapping has a 2-foot contour interval and a scale of I-inch equal to <br />200fe"t. If needed, the floodplains produced by other frequency floods <br />could be readily delineated on these map..using the informa~ion in Tables <br />5 and 8. The flooded areas for Running Creek are presented on Pla~es I <br />through 4 "nd for the Elizabeth major drainageways on Plates 9 through 11. <br /> <br />2. Flooded ^rea Plates 1 through 4. <br />3. Flood Profiles On Pl"tes 5 through 7. <br />4. Typicsl Cross Sections on Plate 8. <br /> <br />The locations for the E1i~abeth mnjor drainageways are, <br /> <br />1. Table-8, "Flood Elcvationa". <br />2. Flooded Area Plates 9 through 11. <br />3. Flood Profiles On Plates 12 through 14. <br />4. TypicalCrossSectionaonPlatea1Sthroughl6. <br /> <br />The 100-year floodplain, aa delineated on the flooded areaa maps, meecs <br />the requirements of House Bill 1041. Upon official approval of this report <br />by the Colorado Water Conservation Bosrd, the area outlined on the maps will <br />be deaignated os floodplain area and the loeal official. may regulate it <br />accordingly. <br /> <br />The flood profiles may be used in arc.. where controversy arises over <br />the 100-year flood boundary shown on the flooded area plates. Since the flood <br />profiles give the elevation and dis t8nce or sta~ioning from a known point, <br />the high water elevations can be conveyed to the ground. Two control ~rkers <br />iden~ified 8a CS3 and HS3, are located at Elizabeth and can be used for this <br />purpose. The markers consist of 3-inch di<>mcter brass caps set in concrete <br />which arc strnnpcd wich appropriate identification. 'l11epertinent information <br />~f'!d 10CHion. rof th~ ~"ntr"l markers ..r,. li.ot,.d Ln the fol1(}wint: tabl". <br /> <br />Drai'la~e Improvementa <br /> <br />Field <br />Identification <br /> <br />Elevation <br /> <br />Location <br /> <br />In addition to studying the floodplains affecting the Town of Elizabeth, <br />an analysis of existing drai'lage facilities along the Elizabeth major drsinage- <br />w/lyawaamade. Drainage criteria was r"c,,"_nJed toaiJ in planning and <br />cmproving these facilities. A master drainage plan has been prepared that <br />provides recommcndatcons for system i.mprovements. The plan has been prepared <br />with the c""peration and input of the Town of Elizabeth and Elbert Coun~y <br />offici.al.aand tne Colorado;later C"naervation Board. Adoption of this plan <br />will provide a more uniform and efficient drainage system for the town. Special <br />consideration has been gLven to low cost, nigh return features which are <br />fessibte (or the town to implement. <br /> <br />TAllLE-I <br />CONTROL MARKER DATA <br /> <br />'" <br /> <br />64l:\8.l76 <br /> <br />At the public School (Banner & <br />Spruce Streets), north of the SE <br />corner of the building, in the <br />concrete landing of the main en~ <br />trance. <br /> <br />liSJ <br /> <br />644a.3a3 <br /> <br />At the building iormerly used as <br />s bank (Broadway & Main Streets) <br />in the concrete landing, 10' N <br />of the center of the W entrance. <br /> <br />The proposed plan is described in Chapter Xlll. L..provements are loest"d <br />Oil Pl"tes 17 ~hrough 19 and COg! ,,~~im,,~e" <lre included in Tablc~lO. <br /> <br />-8- <br /> <br />-,- <br />