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Below are the rational method model results for the 25-year event. The tailwater elevation is set to <br /> the tailwater expected during MHHW downstream. There is some pipe surcharge and no <br /> overtopping during this event. There will be no overtopping of the downstream drainage system. <br /> 15.179 ft 14.726 ft 13.926 ft 13.347 ft 10.871 ft 10.336 ft <br /> 3.79 rfs > cfs 0 [5.47 cfs.] > le 0,_17.51 cfsj, <br /> 13.302 ft 12.727 ft 5. cfs 7.5 s <br /> 11.803 <br /> • cfs <br /> 1.2 cfs • cs • <br /> 1.4 cfs 1.2 cfs 14 399 ft <br /> 14 869 ft 0.1 cfs <br /> 0.,I cfs <br /> 3.6' cis • <br /> 14.031 ft 13 553 ft • 14.100 ft 14.448 ft 13 895 ft 14.200 ft 17145 ft <br /> • 0 71_cfs > • < 0.75 rfc • • 0.76 cfs > it < 0.56 cfs • • <br /> 12.182 ft <br /> • <br /> 0.5 cfs <br /> 15 390 ft 15.721 ft <br /> • s .0=. 1 .733 ft <br /> • <br /> [0.5 cfs] <br /> 3.1, cfs <br /> 1 .371 ft <br /> • <br /> 15 544 ft <br /> • 17.846 ft 17.596 ft 17.632 ft <br /> 17.629 ft <br /> 3.0 cfs fI <br /> 5.641 ft 0.60cfs <br /> 0.8 cfs 0.5 cfs 11-:'118 ft <br /> • 0.6 cfs , <br /> • <br /> cfs 1 826 ft 1 583 ft 0.8 cis 17.263 ft <br /> 1 198ft <br /> ?49cfs • < L56cfs 4 <br /> • <br /> -3/6(/ <br /> 2215 North 30th Street Glacier Peak <br /> Suite 300 APP. <br /> Tacoma,WA 98403 <br /> 253.383.2422 TEL B-3 <br /> 253.383.2572 FAX 25-year Onsite Conveyance Analysis <br /> a <br /> 1 <br />