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Everett Community College <br /> Storm Drainage Impr Dverrients <br /> Pipe Capacity Spreadsheet <br /> Prop____ed Improv°ementsIy <br /> '� ' Cry Cumt..aive Added Corm;leave Pipe <br /> CB to GB TrbutaYArea Tributary Area Flow Poow Size Slope Ca ty <br /> # 4 (ACRE ACRE CFS 'CFS . 'INCHES) <br /> 10 9 3.1 3.1 1.8 1.8 12 4,1 23% <br /> 9 8 3,3 6,4 1.9 3.7 12 6.?S% 38" <br /> 8 7 0 6.4 0 3.7 12 _. 39% <br /> 7 6 1.8 82 0.7 4.4 12 5.14% 5 <br /> 8 5 0 8.2 0 4.4 18 3,21% 22% <br /> 5 4 0 8.2 0 4.4 18 1.49° 32% <br /> 4 3 0 82 0 4.4 18 1.1395 36% <br /> 3 2 0 8.2 0 4:4 18 0,99% 391‘,2 1 0 8.2 0 4.4 18 4:72% 18% <br /> Proposed Improvements plus Future Expansion East of Broadway Avenue <br /> Captured Cumulative Added Curnuiabve F <br /> CB to CB Tributary Area Tributary Area Flow Flaw Size Supe %Capac ty <br /> #l• ;* (ACREA (ACRE} (CFS} (N+iCNES} <br /> 10 3 3.1 3.1 s.8 1.8 12 4.13% 23% <br /> 9 8 3.3 6.4 1.3 3:7 12 6.38% 38% <br /> S 7 0 6A 0 3.7 12 5.98% 39% <br /> 7 6 1.8 8.2 0.7 4.4 12 5.14% ro <br /> 6 5 6.1 14.3 3.5 '. 7.9 18 3.21% 39% <br /> 5 4 0 14.3 0 7.9 13 1.49% 61% <br /> 4 3 0 14.3 0 . 7.9 C),. 18 1.13% 65% <br /> 3 2 0 14.3 0 7.9 k._ <br /> 18 0.99% 70% ` 1 <br /> 2 1 0 14.3 0 7.9 18 4.72':. 32% <br /> f �I__C_ <br />