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<br />I <br />I <br />I <br /> <br />I <br />I <br />I <br />I <br />I <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />J <br /> <br />development has also fixed the most probable location of other <br /> <br />drainage facilities, In these developed areas, no new streets <br /> <br />were assumed, although it was assumed that each development was <br /> <br />fully built: In open areas, some street and ditch locations were <br /> <br />assumed. The probable location of cross streets was also assumed <br /> <br />so that drainage lines and major culverts could be estimated, For <br /> <br />the purposes of this study, these areas were assumed to be fully <br /> <br />developed, <br /> <br />The intent of this study is to deter- <br />,- <br />mine the adequacy of the existing drainage structures and drainage- <br /> <br />----.--- ---~ _.~---~_..,-~ <br /> <br />- - -~..._~ ,-. - -~ <br /> <br />ways and to recommend general improvements and changes required for <br /> <br />~-~>",--,,-,.. ,~'._'-"-'''''--'~'. -'<~--"-~"--'~'-"""'---"--" <br /> <br />" ~ ~, ."'_.,' _ ,,- ~." -'" . ....~. ,," .A" _,. . ,_'" _'_ ~'... ,', . <br /> <br />reasonably safe disposal of ru~o~~_\ The concept of paving all <br />. .<>,~ ~-- -'.... --_..'- ~~ <br /> <br />~ <br /> <br />ditches, used by the City of Colorado Springs for a number of years, <br /> <br />increases the required structures by moving water more rapidly, <br /> <br />causing higher peak flows, The presence of some unusual problems <br /> <br />in the earlier developments has led to recommendation of retention <br /> <br />structures by this study, <br /> <br />The intent of this study is not to <br /> <br />establish precise locations, sizes or design for storm sewers, <br /> <br />ditches or other appurtenances, except where main drainageways or <br /> <br />streams already exist, It is intended to establish the general <br /> <br />location and size of required systems, The structure and channel <br /> <br />sizes shown in this study have been calculated from flows result- \~ 1 <br />\,~ :u \ <br />ing from the City of Colorado Springs rainfall/runoff criteria, \),' L"v.I' <br />I't'" , <br />" <br /> <br />In' open areas, a reasonable street system was assumed, to fit the <br /> <br />topography, <br /> <br />-4- <br />\ <br />