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<br /> <br />~J <br />TABLE 19 <br />Culvert Sizing <br />I I <br />' Contributing Watershed <br />Culvert Number I (Acres) t0-Yr 24•Hr <br />~ Peak Discharge <br />(cfs) j Minimum <br />Culvert Diameter <br />i (inches) <br />1 49.2 j 25.65 ~ 36 <br />2 I 9.3 16.63 24 <br />3 I 3.7 6.83 ~ 21 <br />4 17.74 21.57 I 30 <br />5 2.9 4.51 I 14 <br />6 11.1 ~ 17.27 24 <br />7 ` 17.74 ~ 22.79 30 <br />9 j 0.08 I 0.12 I 8 <br />10 ~ 3.29 ~ 5.55 ~ 18 <br />11 2.75 I 2.30 I 15 <br />12 I 13 I 9.56 21 <br />13 I 19.61 14.42 27 <br />14 j 17.9 ~ 2158 j 30 <br />1~ ~ 14.9 j 10.96 ~ ?1 <br />16 ~ 33 ~ 24.27 27 <br />17 I 7.19 10.3 24 <br />18 f 8.35 12.84 I 24 <br />19 2.2 I 2.78 I 15 <br />ZO 4.3 I 6.03 ~ 21 <br />22 I 10.32 15.13 ?~ <br />23 (100-year) <br />Cirue~a Canyon 1745 373.9 84 <br />NW Intake Shaft,C-A I 6.2 I 7.22 21 <br />NW Intake Shaft, C-B I 6.74 ~ 7.86 I Z1 <br />NW Intake Shaft, C-C ~ 2.88 ~ 3.36 ~ 15 <br />NW Intake Shaft. C-D li.23 j 15.31 j 27 <br />NW Intake Shaft. C-E I 0.74 0.91 12 <br />NW Intake Shaft, C-F 2.95 3.46 12 <br />2.05-9 <br />(Revised !li93J <br />