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+ <br />City oi Everett Public Works <br />Drainage Calculation Submission Form <br />Date: April 17, 1989 <br />Project Name: Additions/Alterations for BreCyn Salon <br />Project Location: 8300 Beverly Blvd., Everett, Wa. <br />Submittad Sy: K. John Jones, Dykeman Architects <br />Drainaqe Basin: Wood Creek ��" <br />Pre-Development Desiqn Storm (yr.): <br />Post-Development Design Storm (yr.): <br />Area of Site: <br />Existing slope of sitF:: <br />Existing Ground Cover: <br />Woods/Forest: <br />Lawns/Landscaping: <br />Earth/Grzvel: <br />Impervious: <br />2 YR U�( <br />25 YR D� <br />.55 AC 0� <br />2 $ <br />AC <br />475 AC <br />AC <br />075 AC <br />Existing Runoff (cfs): .101b CFS t I a� <br />,�.� ..�� <br />Total All�wable Release Rate: -�-ofAE � PE�S�!��T�nn�s <br />• �0.2� v <br />O./D/5 < p, /3 CFS <br />Proposed Ground Cover: .: vJF O,i3 _ <br />I.awns/Landscaping: <br />Earth/Gravel: <br />Impervious: <br />Detention Storaqe Required: <br />Lawns/Landscaping (cf/ac): <br />Earth/Gravel (cf/ac): <br />Impervious (cf/ac): <br />Total Detention Storaqe Required: <br />Lawns/Landscaping (cf): <br />Earth/Gravel (cf): <br />impervious (cf) : . <br />TOTAL STORAGE P.EQUIRED: <br />/�7�� �: ��j,%2, S9� � <br />c l c f,": <br />.35 AC O•SS �C� <br />AC �C{l�ac. <br />� � <br />.2 AC -- <br />-6�59-ePtl4e y72 <br />CF/AC <br />9-�-48--C-�f�AE 2 753 <br />-2-34r65-C-F / �a S <br />0 CF <br />64r}rC--Gg 5S / + <br />-sae.-as—c€ 7 / � C, F. <br />'�/85s� y'� <br />� CONii'idUT.ni/ <br />f�Mo(�/✓% <br />,,r,:�/���=d <br />s��/�' <br />