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1' <br />�_ <br />L <br />[l <br />L <br />I t <br />Ti�t3 r�t h=G6►�lA <br />w �'f'� 3'�..'97 �rit.� <br />1Q DESIGN CALCULATIONS - Appeadix A indudes ihe hydrograpM for the 2,10 aod <br />100 year atams as touted tluoug6 the drainsge system. Olher app�optiate alwlatiou� <br />ate also pt�vided in the appeadix. <br />11. PROPOSm DRAINA(iE SYSTEM - T6e pro�oxd draimge sy�tem ia oompoeed of <br />the two odlec6on systems. two wet ceUs . aoe water 9�h' P� +� �*"o � <br />deteu0an storage's for � 0 aod 100 year stomu. The odlcaian eyatems im�dves ataodatd <br />catch b4sins to two vaulb whid� compuee the wet cdls af t6e wrot pood The �vefpood <br />vdume for ach developmmt euoeeds the City sfaodud cequiRment . The wet ptnd <br />oudcb are testricted to a 1' minimum aifix size. Drainage volumes above the autlet <br />value storm will be divated to t6e �iPed stot'+B� systems bY' �a�ate ovallow systema. <br />This system meets the Ecology deagn staodard for t6e 10 and 100 yesr relwe rate and <br />15096 of t6e detenuon vduma Flows fmm the wetpood and detea6un systane aze joined <br />toget6er befae discharge to t6e sysmm to �he eagL <br />12. CONSTRUC7'ION SEQLTENCING - T6e two developmenb are not being <br />coaswctod by 1he sarne developer m,r on the same schedule. The Bur�v KinB ProJ�� <br />will probably be conswcted first ia that tbis prujxt has completed the SEPA ptocess aad <br />will submit plaag for conswcGoa permit� befae We l.es Sr.6wab poject To addcess the <br />issue of scheduling ooa4truction �he plan will be w�roa� t6e enGre wetpoad for both <br />P�J�s in the fust maswction permit (Burga King). The uoderpouod seaage aod <br />releme rate mnhols for eac6 p�ojcct will be caostnx.�ted when that development is builL <br />T6ia conswcdon soquencing ��ill allow We wetpad to be furcliaoing during <br />coasWction of the secoad j�oject and allow establishmeni of trea0u►ent vegetation in the <br />initial construction. Flosion control during Ihe second consWcdou �Yoja.K w�ll be <br />separate Gom t6e wetland usatment system in order not W damage that syskm. <br />13. OPIItATION AND MAINfFNANCE - Opaalion and maintenaooe of the drainage <br />system is sepazated into two a�eas. Fach lessee shall be�spoa� iWe for their sepetate wet <br />cells, inlels and oudetc. rnntrol �tructures and undergrouod atowge. Maintdnaoce of 1he <br />wetpond will be separatcd by the physiral IacaGon of where t6e wai nada to be done. <br />T6is system will allow clear detertnination of responsibiliry if enfareemmt of <br />I1181p1tI1�11CC IS ICqWICd. <br />14. LES SCHWAB CONSfRUGTION REQUIREIv�NI'S - 7'6e entue sites draiaage <br />system will not be rnmplete until tde northem pcxtion of the site, Lo Sc6wab, w <br />constructed. The total system elemenu with the construcfion p6a4e ia a6own bdow along <br />with the respoosiWe developer. <br />Ftpn the table it is clear Ihat all demenu of the syatem exapt for We lUd8 cf of opea <br />all aod 210 If of 48• diameter pipe shall be caawctrd in t6e fi�at pha�e af this p�operty <br />96-016 S 71ro Ri� � <br />