1982-03-18_REVISION - C1981013 (3)

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14-92.1 CAPACITY OF CORRUGATED METAL PIPE CULVERTS CIRCULAR OUTLET CONTROL - FULL FLOW - WITHOUT HEADWALLS _ DIAMETER � CUBIC FEET PER SECOND Head on Pipe - Feet INCHES a 0.1 0.2 0.3 0.4 0.5 0.6 0.8 1.0 1.2 1. 1.6 1.8 2.0 2.5 3.0 3.5 4.0 12 1.0 1.4 1.7 2.0 2.2 2.4 2.8 3.1 3.4 3.714.0 4.2 4.4 5.0 5.4 5.8 6.2 15 1 .7 2 .4 2.9 3 .4 3.8 4.1 4.8 5.3 5 .8 Y4346 7 .5 8.419.2 9.9 11 18 2 .6 3.6 4.4 5.2 5.7 6.2 7 .2 8.0 8.8 1 11 13 14 15 16 21 3.6 5.1 6.2 7.2 8.0 8.8 10 11 12 16 18 19 21 22 24 +� 4.9 6.8 8.4 9.6 11 12 14 15 17 21 24 26 28 30 27 v 6.2 8.8 11 12 14 15 18 20 21 28 31 34 36 39 30 w 7.8 11 14 16 17 19 22 25 27 35 39 42 46 49 36 12 16 20 23 26 28 33 37 40 52 57 63 68 72 42 16 23 28 32 36 39 45 51 55 60 64 68 71 79 86 93 100 48 22 30 37 43 48 52 60 68 74 80 85 90 94 106 117 125 134 54 28 39 48 55 61 67 78 87 94 102 109 116 121 136 149 160 171 60 34 48 59 68 76 83 96 107 118 126 134 142 150 167 182 197 210 velocity (Ft. per Second) 4 5 6 7 8 9 10 1 12 0.8 1.1 1.4 1.6 1.8 2.0 2.3 2.5 2.8 3.0 3.2 3.4 3.6 4.0 4.414.8 5 .1 15 1.4 1 .9 2.4 2.7 3.1 3.4 P8.6 .3 4.8 5.2 5.5 5.9 6.2 6.9 7.6 8.2 8.8 18 2.1 3.0 3.7 4.3 4.8 5.2 .8 7.4 8.0 8.6 9.0 9.6 11 11 13 14 21 3.0 4.3 5.3 6.1 6.8 7.4 .6 11 12 12 13 14 15 17 18 19 24 4j 4.2 5.9 7.2 8.4 9.4 1013 15 16 17 18 19 21 23 25 27 cu 27 w 5.5 7.8 9.6 11 12 1417 19 21 22 23 25 28 30 33 35 30 W 7.0 9.8 12 14 16 1722 24 26 28 30 31 35 38 42 44 36 10 15 18 21� 24 26 30 33 36 39 421 45 47 53 58 62F 66 42 15 21 26 30 33 36 42 47 51 55 59 62 66 74 80 88 93 48 20 28 35 40 45 49 56 63 69 74 80 84 89 99 109 118 127 54 26 36 45 51 57 63 72 81 89 F96 103 109 115 128 140 152 163 60 32 45 55 64 72 78 90 100 1100 128 136 143 160 175 190 202 velocity (Ft. per Second) 4 5 6 7 8 9 10 12 0.7 1.0 1.2 1.4 1.6 1.7 2.0 2.2 2.4 2.6 2.8 2.9 3.1 3.5 3.8 4.1 4.4 15 1.2 1.7 2.1 2.4 2.7 3.0 3.4 3.8 4.2 4.5 4.8 5.1 5.4 6.0 6.6 7.1 7.6 18 1.9 2.7 3.3 3.8 4.2 4.6 5.3 5.9 6.5 7.0 7.5 8.0 8.4 9.3 10 11 12 21 2.7 3.9 4.8 5.5 6.1 6.6 7.7 8.7 9.5 10 11 12 12 14 15 16 17 24 3.8 5.4 6.6 7.6 8.4 9.2 11 12 13 14 15 16 17 19 21 22 24 27 5.0 7.1 8.7 10 11 12 14 16 17 19 20 21 22 25 27 29 31 30 w 6.4 9.0 11 13 14 16 18 20 22 24 25 27 28 32 35 37 40 36 9.7 14 17 19 22 24 27 31 33 36 38 41 43 48 52 56 60 42 14 19 24 28 31 34 39 44 48 51 55 58 61 68 74 80 86 48 19 27 32 38 42 46 53 59 64 69 74 78 82 92 100 108 116 54 24 34 42 48 54 59 68 77 83 90 96 102 108 120 131 142 152 60 31 43 53 61 68 74 86 97 105 113 120 128 135 150 166 178 190 velocity (Ft. per Second) 4 5 6 27 8 9 Formula ' [2. 52 ( 1 + Ke) 466. 2 n2 L 0 1 H = + - Ke = 0.9 D4 pi6/3 10 Using n = 0.024 Exhibit 14-4.1 REFERENCE U. S.DEPARTMENT OF AGRICULTURE TSC-NE- ENG. U S B P R HYDRAULIC ENGR. SOIL CONSERVATION SERVICE 1411 CIRCULAR NO.5 ENGINEERING d WATERSHED PLANNING UNIT BROOMALL.PENNSYLVANIA SHEET I OF 3 USDA ICS UTATTSVILLS.■D. 1970