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1 detalled xorm and contents of thc drainage plan shail be descdbed In procedures <br />2' established by the City Engineer and/or in the Procedures Manuai. The <br />3 Procedures Manual will set forth the manner of, presenting the followIng <br />. 4 <br />5. <br />6 <br />7 <br />� <br />10 <br />11 <br />12 <br />13 <br />14 <br />15 <br />16 <br />17 <br />18 <br />19 <br />20 <br />�2Y <br />22 <br />23 <br />24 <br />25 <br />26 <br />27 <br />28 <br />29 <br />30 <br />31 <br />32 <br />.. • <br />Information: • <br />� (a) Background comput�tions for siztng drafnage facili;ies. <br />(1) D�Iction of the drainage area on a Sovogaphical map of <br />.: �' <br />approved scale and contour level with aaeage of the site� <br />•. development� developmental.coverage.and contours before and <br />after development Indicated �p inL�rvals 'not to e»Qeed 5 feeyt; <br />„�,:. ... . _. --�-�- e, � , <br />(2) Indicatton of the peak discharge and volume of surface water <br />currendy entering and leaving the subject property due to the <br />� � .. <br />design storm. � � <br />(3) Indication of the peali'discha�ge, and amount of runoif which <br />will be �ener�ted within the subject p�operty� due to the design <br />storm, lf the development or proposed acti:•ity is allowed to proceed. <br />(4) Determination of the peak discharge and amount of water that <br />will be generated by the desig� storm, at vadous polnts � n the subject <br />�, � . . . . <br />property. � ' , <br />(b) ' Proposed meatures for, handltng the computed runoff. and insu�ing. <br />water quality at the detall level spectfted in the procedures Menual. <br />. •.,. <br />(c) Proposed measures for controlling runoff,'maintalning water quallty, <br />_ . • . • .. ' <br />and controlltng erostoq during construction. • <br />(2) The requirements of this section may be modified at the discretion <br />of the City Engineer [n.special cases requ[ring more or less InformatIon. � <br />e <br />• . �1 <br />Section S: Mandatory Requirements for Dralnapie Tmpruvements .. <br />. • . - �I <br />(1). (a) Surface wat'er.entering the subject property shall be received, <br />at the naturally occurring.locatton and surface water exiting the <br />subject properry shall be dtscharAed at the natural location with <br />adequate energy dissipators wijhin the subject prope�ry to <br />mInimize downstream damageyand wlth no, diversion at any of <br />these points; and ' . . <br />(b) The peak d[scharRe irom the subject property due ta the destgn <br />. storm may not be Fncreased beyond the level speclfied,in thp . <br />Comprehensive Drainage Plan. due to the proposed development; <br />and <br />_6_ <br />. . • . . '. <br />. ' ' . . � • . . <br />. / . •� . . � <br />� <br />� <br />