[From the U.S. Government Printing Office, www.gpo.gov]
DRAINAGE STUDY) CITY OF POQUOS7/ rx, UPDATE INVENTORY OF STRUCTURES AND IMPROVEMENTS Financial assistance provided by the Coastal Zone Management Act of 1972, as amended, administered by the Office of Ocean and Coastal Resource Management, National Oceanic and Atmospheric Administration. HD 1992 C. K. TUDOR ENGINEERS, INC. 1683 Consulting Engineers N8 11524 Jefferson Avenue D7 Newport News, Virginia 23601 1992 Rev. 7-20-92 TABLE OF CONTENTS Topo Sheet Number 1 1-1 Topo Sheet Number 2 2-1 to 2-2 Topo Sheet Number 4 4-1 to 4-3 Topo Sheet Number 5 5-1 to 5-7 Topo Sheet Number 6 6-1 Topo Sheet Number 8 8-1 to 8-3 Topo Sheet Number 9 9-1 to 9-7 Topo Sheet Number 10 10-1 to 10-5 Topo Sheet Number 11 11-1 Topo Sheet Number 13 13-1 Topo Sheet Number 14 14-1 to 14-10 Topo Sheet Number 15 15-1 to 15-5 Topo Sheet Number 16 16-1 to 16-2 Topo Sheet Number 17 17-1 Topo Sheet Number 18 18-1 to 18-3 Topo Sheet Number 20 20-1 Topo Sheet Number 21 21-1 Cover Sheet Index to Sheets Sheets 1 of 25 through 23 of 25 POQUOSON DRAINAGE STUDY TOPO SHEET NUMBER I NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 1 12" - - Poquoson River 2 YD w/12" out - - 1 3 1211 - - 2 4 1211 - - Poquoson River 5 1211 - - 4 6 DI w/18" out 6.38 4.23 7 7 1811 - 3.90 Poquoson River POQUOSON DRAINAGE STUDY TOPO SHEET NUMBER 2 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 1 1211 - 4.28 2 2 1211 - 3.99 3 3 1511 - 3.91 4 4 1511 - - Canal to Lyon's Creek 5 1211 - 3.88 6 6 1211 - 4.10 3 7 1211 - 4.13 8 8 1211 - 4.33 51 9 1211 - - .10 10 1211 - 4.47 Lyon's Creek 11 1211 - - 12 12 1211 - 13 13 B=2, D=2, Z=l - - Canal to Roberts Creek 14 EW w/1511 3.89 0.99 Roberts Creek 15 DI - - - 15" out 4.59 1.58 14 12" in 4.59 1.58 14 16 DI - - - 1211 out 4.65 1.81 15 1211 in 4.65 1.81 15 17 DI w112" out 4.93 2.33 16 18 EW w/24" 3.63 0.32 Roberts Creek 19 DI - - - 24" out 4.58 1.09 18 2111 in 4.58 1.09 18 1211 in 4.58 1.86 18 20 MH w/21" in and out 4.73 1.39 19 21 EW w121" 4.03 1.71 20 22 DI w112" out 4.58 1.98 19 23 4811 - - Roberts Creek 24 4811 - - 23 25 B=2, D=3, Z=.33 - - 24 26 1811 - - 25 27 1811 - - 26 28 B=2, D=3, Z=.33 - 27 29 B=3, D=3, Z=.33 - 30 30 B=4, D=.5, Z=1.3 - - Roberts Creek 31 EW w/18" - -0.01 Canal to Poquoson River 32 DI - - - 18 out 3.78 0.94 31 15" in 3.78 1.23 31 1511 in 3.78 1.15 31 33 DI - - - 1511 out 3.98 1.76 32 1511 in 3.98 1.79 32 15" in 3.98 1.82 32 34 1511 - 1.83 33 35 1511 1.58 32 2-1 TOPO SHEET NUMBER 2 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 36 1511 2.68 32 37 1211 0.91 Roberts Creek 38 DI - - - 1211 out 3.91 1.23 37 15" in 3.91 1.28 37 39 DI - - - 15 in - 1.47 38 1511 out - 1.33 38 40 1511 - 1.74 39 41 1511 - 1.62 Roberts 'Creek 42 DI w/15" out 3.73 1.78 41 43 1511 - - Canal to Roberts Creek 44 DI w/15" in and out 3.73 1.06 43 45 DI w/15" out 3.73 1.13 44 46 1511 - 2.68 33 47 1211 - - 48 48 1211 - - 49 49 B=2, D=2, Z=.5 - - 50 50 B=8, D=5, Z=1.3 - - Poquoson River 51 1511 - 2.52 52 52 1511 - 2.30 57 53 1211 - - Poquoson River 54 1211 - - 53 55 1211 - - 24 56 1211 - - 55 57 B=3.5, D=2, Z=l - - Lyon's Creek 2-2 POQUOSON DRAINAGE STUDY TOPO SHEET NUMBER 4 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted *Indicates proposed structures 1 B=40, D=4, Z=5 2.78 Poquoson River 2 B=2, D=1.5, Z=1.3 3.98 1 3 B=6, D=1.5, Z-5 4.03 1 PG-5 1.44 1 4 EW w/24" RCP 2.31 Poquoson River 5 2411 2.44 4 6 B=2, D=3.5, Z=2 2.75 5 7 2411 2.98 6 8 YD w/24" in and out 6.97 3.21 7 9 DI w/24" in and out 8.20 3.44 8 10 DI w/24" in and out 8.31 3.13 9 11 2411 - 3.65 10 12 B=3, D=6, Z=1.25 - 4.05 11 13 B=6, D=4.5, Z=2 - 5.25 12 14 B=3, D=3, Z=1 - 5.30 13 15 B=2, D=1.5, Z=l - 7.78 14 16 B=2, D=2, Z=1.5 - 3.53 Lambs Creek 17 EW w/24" 6.38 3.37 16 18 DI w/24" in and out 8.11 4.24 17 19 DI 8.06 - - 24 out - 4.49 18 1811 in - 4.49 - 20 YD w/18" in and out 7.68 4.83 19 21 YD w/18" out 6.84 4.88 20 22 B=2, D=2, Z=1.5 - 5.46 21 23 B=2.5, D=2, Z=2 - 6.81 22 24 1811 - 6.46 23 25 1811 - 6.07 24 26 B=2, D=l, Z=2 - 7.61 23 27 2411 - 0.00 Lambs Creek 28 DI w/24" in and out 5.80 1.35 27 29 DI w/2411 in and out 5.90 1.30 28 30 2419 - 1.47 29 31 15'1 - - Bricked and Abandoned 32 15'1 - 7.51 31 33 1811 - 4.68 103 34 1811 - 6.70 33 35 1811 - 6.88 34 36 YD w/18" in and out - 6.92 35 37 YD w/18" in and out - 6.99 36 38 18 - 7.16 37 39 18" - 6.81 38 40 1811 - 7.12 39 41 B=l, D=l, Z=l - - Poquoson River 42 B=l, D=l, Z=l 41 43 1811 1.71 Poquoson River Rev. 7-20-92 .4-1 TOPO SHEET NUMBER 4 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted *Indicates proposed structures 44 DI w/18" in and out 6.73 2.03 43 45 DI - - - 1811 out 6.73 2.11 42 1511 in - 3.86 - 46 DI w/15" in and out 6.73 3.95 43 47 DI w/15" out 6.73 4.03 46 48 B=4, P=3.5, Z=1.7 - - Lambs Creek 49 B=3, D=2.5, Z=l - - 48 50 3011 q - - 49 51 3011 - - 50 52 B=6, D=2.5, Z=l - - 51 53 B=3, D=2,'Z=1.75 - - 52 54 B=2.5i D=1.5, Z=1.5 - - 53 55 B=l, D=.5, Z=3 - 7.79 54 56 B=l, D=.5, Z=3 - 8.50 54 57 B=4, D=2, Z=2 - - Lambs Creek 58 B=1.5, D=l, Z=.75 - - 57 59 B=3, D=2, Z=.75 - 5.56 58 60 1811 - 6.65 59 61 18'1 - 7.10 60 62 B=2, D=1.5, Z=l - 8.62 61 63 B=2, D=2, Z=1.25 - 8.42 60 64 B=l, D=.5, Z=3 - 7.69 65 65 611 - 6.89 66 66 611 - 6.35 67 67 B=3, D=2, Z=.75 - 6.96 59 68 B=3, D=2, Z=.75 - 6.56 59 69 B=2, D=1.5, Z=l - 8.00 61 70 1211 - 7.85 69 71 1211 - 8.05 70 72 B=l, D=.5, Z=2 - - Lambs Creek *73 DI w/15" out 6.65 3.47 75 *74 YD w/15" out 6.00 2.82 75 *75 YD - - - 2-15" in 5.00 2.60 Poquoson River 1811 stub out - - - *76 DI w/15" out 6.51 3.71 77 *77 DI - - - 15" in 6.51 3.59 79 141sx23" out - - - *78 DI w/14"x23" out 6.56 3.73 79 *79 DI - - - 2-141sx23" in 6.56 3.20 80 191100" out - - - *80 ES 19"00" - 2.78 Poquoson River *81 YD w/15" out 6.90 3.27 82 *82 YD w/15" in and out 6.90 3.12 83 *83 YD - - - 1511 in 6.00 2.84 85 1401x23" in - - - 191100" out 4-2 TOPO SHEET NUMBER 4 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted *Indicates proposed structures *84 YD w/14"x23" out 6.00 3.00 83 *85 YD - - - 1911x3011 in and out 6.00 2.09 86 *86 DI - - - 1911x3011 in and out 7.50 2.00 87 *87 DI - - - 1911x3011 in 7.50 1.80 91 22"x34" in - - - 2711x42" out - - - *88 DI w/14"x23" out 7.70 2.38 89 *89 DI - - - 141sx23" in 7.70 2.19 90 1911x30" in - - - 191100" out *90 DI - - - 1911x30" in 7.86 2.00 91 15" in - - - 221104" out *91 MH - - - 22 x34" in and out 7.80 1.89 87 *92 MH - - - 4211x27" in and out 7.70 1.76 93 *93 ES 42"x27" - 1.61 3 94 DI w/24" out - - 95 95 DI w/24" in and out - - 96 96 Box 24" in and out - - 97 97 2411 - - Lambs Creek 98 DI w/15" out - - 99 99 DI w/1511 in and out - - 100 100 15 - - Lambs Creek 101 DI w/15" out - - 102 102 1511 - - Lambs Creek 103 B=2, D=1.4, Z=1.5 - 3.83 30 4-3 POQUOSON DRAINAGE STUDY TOPO SHEET NUMBER 5 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 1 24 -1.12 Lyons Creek 2 24 -1.06 Lyons Creek 3 DI - - 18" and 24" in 5.18 -0.80 112 2-2411 out - - - 4 2411 - 1.00 3 5 1811 - 0.73 3 6 B=2, D=1.5, Z=2.67 - 1.64 4/5 7 B=3, D=2, Z=1.75 - 2.10 6 8 2411 - 1.78 7 9 2411 - 1.69 7 10 24" 'plugged - 1.79 7 11 EW w/24" plugged 6.63 1.95 10 12 EW w/24" 6.63 1.94 9 13 EW w/24" 6.63 1.87 8 14 2411 - 3.62 130 15 2411 - 3.92 14 16 B=2, D=2, Z=1.5 - 4.33 15 17 B=2, D=2, Z=1.5 - 5.90 16 18 EW w/48"06" 4.76 -0.57 Lyons Creek 19 EW w/48"06" 5.06 -0.27 18 20 B=4, D=6, Z=2 - 0.65 19 21 B=4, D=6, Z=2 - 0.65 20 22 EW w/27" 7.24 3.99 21 23 DI - - - 1911x30" in 8.31 4.03 22 1211 in - - - 2711 out - - - 24 EW w/19"x3O" 6.81 4.23 23 25 B=2, D=4.5, Z=2 - 4.24 24 26 DI w112" in and out 7.80 4.28 23 27 DI w112" out 7.80 4.36 26 28 EW w127" 7.08 3.68 21 29 YD - - - 27" in 8.23 3.90 28 271t out - 3.81 - 30 YD - - - 27" in 8.23 4.40 29 27" out - 4.44 - 31 DI w/19"x3O" in 8.31 5.66 30 27" out - 4.90 - 32 DI w/19"x30" in 8.35 5.82 31 19"x3O" out - 5.58 - 33 EW w/19"x3O" 8.75 6.11 32 34 B=2, D=l, Z=l - 6.13 33 35 B=l, D=l, Z=ll - 7.34 33 36 EW w124" 6.91 3.98 21 5-1 TOPO SHEET NUMBER 5 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 37 DI - - - 2111 in 7.53 4.28 36 2411 out - 4.36 - 38 DI - - - 2111 in 7.60 4.34 37 2111 out - 4.27 - 39 YD - - - 18" in 8.23 4.72 38 2111 out - 4.48 - 40 DI - - - 1511 in 7.73 4.97 39 1811 out - 4.93 - 41 DI w/15" out 7.73 4.96 40 42 EW w/27" 7.41 4.14 21 43 DI - - - 2711 in 8.03 4.66 42 27' out - 4.61 - 44 DI - - - 2711 in 8.09 4.80 43 2711 out - 4.74 - 45 YD - - - 2411 in 8.23 5.33 44 15" in - 5.39 - 27" out - 4.97 - 46 EW w/24" 8.46 5.61 45 47 B=2, D=l, Z=l - 7.54 46 48 B=l, D=l, Z=l 6.85 46 49 DI - - - 1511 in 7.83 5.59 45 1511 out - 5.65 - 50 DI w/15" out 7.83 5.66 49 51 EW w/21" 5.02 2.18 19 52 DI - - - 18 in 5.94 2.77 51 2111 - 2.37 - 53 DI w/18" out 5.94 2.97 52 54 EW w/18" 4.23 1.22 21 55 DI w/1811 in and out 5.33 1.80 54 56 DI w/l 5" in, 18" out 5.63 2.08 55 57 YD w/15" out 5.18 2.72 56 58 EW w/l 5" 3.98 0.99 19 59 DI - - - 15" in 6.08 2.78 58 1511 out - 2.74 - 60 DI w/15" out 6.08 3.13 59 61 15" into 40"x76" - 1.11 18 62 DI w/15" in and out 5.31 1.13 61 63 DI w/15" out 5.28 1.38 62 64 1211 CP - 0.13 Lyons Creek 65 YD w/12" in and out 3.73 1.50 64 66 1511 - 4.18 67 5-2 TOPO SHEET NUMBER 5 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 67 YD - - - 1511 in 5.82 3.72 68 1511 out - 3.75 - 68 YD - - - 15ts in 5.90 3.71 69 1511 out - 3.61 - 69 YD - - - 1511 in 5.64 3.12 70 15" out - 2.66 70 YD - - - 1511 in 5.79 2.59 71 1511 in - 3.74 - 15" out 2.44 - 71 YD - - - 1511 in 4.82 2.32 9-208 15" out - 2.22 - 72 1211 - 4.59 73 73 YD w/12" in and out 6.34 4.74 74 74 YD - - - 1211 in 6.02 4.32 70 1511 out - 3.99 - 75 1211 - 5.38 76 76 12 If - 5.31 9-217 77 B=2, D=1.5, Z=1.33 - 8.80 17 78 B=2, D=1.5, Z=1.33 - 7.70 9-248 79 B=3, D=2, Z=2.25 - 1.00 Roberts Creek 80 B=2, 0=5, Z=1 - 2.69 79 81 3411x53" - 2.66 80 82 YD - - - 3411x53" in 6.89 2.73 81 3411x53" out - 2.49 - 83 YD - - - 34"x53" in 7.01 2.87 82 24" in - 2.97 - 34"x53" out - 2.90 - 84 3411x53" - 2.82 83 85 B=2, D=5, Z=1.3 - 2.90 84 86 B=2, D=2.5, Z=0.4 - 4.01 85 87 3611 - 3.93 86 88 3611 - 3.71 87 89 B=2, D=3, Z=l - 4.51 88 90 3611 - 3.81 89 91 3611 - 4.10 90 92 B=2, D=3, Z=l - 4.55 91 93 B=3, D=2, Z=1.25 - 5.42 92 94 B=2.5, D-1, Z=1.25 - 6.05 93 95 1511 - 6.07 94 96 YD - - - 1511 in 8.30 6.20 95 1511 out - 6.15 - 97 1511 6.50 96 98 B=l, D=0.5, Z=2 6.96 97 5-3 TOPO SHEET NUMBER 5 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 99 B=2, D=0.5, Z=6 6.55 100 100 B=2, D=0.5, Z=6 6.03 This ditch does not drain 101 D=1, Z=3 6.68 100 102 YD - - - 2411 in 8.22 3.86 83 2411 out - 3.81 - 103 D=1, B=2.5, Z=1.3 3.97 132 104 D=I, B=l, Z=l - 103 105 B=2, D=0.5, Z=0.5 103 106 ES w/18" 5.82 92 107 DI - - 1511 in 9.14 6.57 106 1511 in - 6.46 - 1811 out - 6.30 - 108 DI w/15" out 9.24 6.67 107 109 DI w/15" out 9.16 6.62 107 110 YD w/15" out 6.93 5.03 111 ill MH - - - 15 in - - - 18 out 8.64 4.70 112 112 DI w/18" in and out 8.04 4.46 113 113 DI - - - 18" in - - - 21 11 out 7.90 4.38 114 114 YD w/21" in and out 7.53 4.15 115 115 YD - - - 21 in 6.63 4.06 116 24 out - - - 116 DI - - - 24 in 7.33 3.18 117 2711 out - - - 117 MH w/27" in and out 7.33 3.10 118 118 DI - - - 2711 in 7.33 3.01 121 30" out - - - 119 YD w/18" in and out 6.73 3.71 121 120 YD w/18" out 6.33 4.13 119 121 MH - - - 18" in - - 135 3011 in - - - 3618 out - - - 122 B=2, D=3, Z=1.33 - 2.69 123 123 B=6, D=3, Z=2 - 1.55 124 124 3011 - 1.58 125 125 30" - 1.12 126 126 B=10, D=3, Z=l - -0.13 127 127 B=15, D=3, Z=l - 0.47 Roberts Creek 128 1811 - 4.63 129 129 1811 - 4.13 126 130 B=3, D=2, Z=2.25 - 2.20 11/12/13 131 1211 - 2.36 65 132 ES 2411 - 3.97 102 Rev. 7-20-92 5-4 TOPO SHEET NUMBER 5 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 133 B=1, D=1, Z=1.5 - 7.47 134 134 B=l, D=1, Z=1.5 - 4.91 85 135 3611 - 2.69 122 136 1511 - 5.77 137 137 1511 - 5.38 138 138 12" - 3.79 139 139 1211 - 3.84 140 140 B=l, D=2, Z=0.5 - 3.84 141 141 B=l, D=1.5, Z=l - 1.50 79 142 1211 - 2.40 144 143 1211 - 2.35 142 144 D=1.8, Z=1.9 - 2.63 145 145 B=10, D=3.4, Z=1.5 - -0.19 Lyons Creek 146 D=1.4, Z=2.8 - 2.69 147 147 D=1.2, Z=4 - 1.53 Roberts Creek 148 1211 - 3.02 143 149 1211 - 3.13 148 150 1211 - 3.83 149 151 1211 - 3.73 150 152 DI w/15" out 4.73 1.96 153 153 DI - - - 1511 in 4.73 1.76 154 18" out - - - 154 EW w/18" 4.28 0.93 Roberts Creek 155 DI w/15" out 5.73 3.18 156 156 15" - 3.07 Lyons Creek 157 DI w/15" out 5.23 2.23 158 158 1511 - 0.43 159 159 B=10, Z=2, Z=2.5 - 0.85 White House Cove 160 ES 15" - 2.86 161 161 DI - - - 1511 in 5.31 2.21 162 1811 out - - - 162 DI w/18" in and out 5.31 2.02 163 163 ES 18" - 1.47 White House Cove 164 DI w/15" out 4.84 2.09 165 165 DI - - - 1511 in 4.73 1.93 166 1811 out - - - 166 DI w/18" in and out 4.73 1.85 167 167 ES 18" - 1.59 White House Cove 168 1211 - 2.75 169 169 1211 - 1.95 170/172 170 1211 - 1.59 171. 171 1211 - 1.89 White House Cove 172 1211 - 1.73 173 173 1211 - 1.58 White House Cove 174 DI w/15" out - - 175 175 1511 - - Lyons Creek 176 DI w/18" out - - 177 177 1811 - - Lyons Creek 178 1281 - - 180 5-5 TOPO SHEET NUMBER 5 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 179 1511 - - 181 180 1211 - - 182 181 1511 - - 183 182 1211 - - 184 183 1511 - - 185 184 1211 - - Canal to Lyons Creek 185 1511 - - Canal to Lyons Creek 186 1211 - - 187 187 1211 - - Canal to Lyons Creek 188 12'1 - - 189 189 12" - - Canal to Lyons Creek 190 1511 - - 191 191 1511 - - Lyons Creek 192 1211 - - 193 193 1211 - - Lyons Creek 194 1511 - - 195 195 1511 - - 196 196 1511 - - 197 197 1511 - - 198 198 EW w/12" - - 199 199 12" - - Canal to Lyons Creek 200 1511 - - 196 201 15'1 - - 200 202 1211 - - 203 203 1211 - - Canal to Lyons Creek 204 1511 - - 205 205 15#1 - - Canal to Lyons Creek 206 DI w/15" out - - 207 207 1511 - - White House Cove 208 12'1 - 8.01 209 209 1211 - 7.24 78 210 YD w/l 5" out 7.64 3.69 211 211 DI w/15" in and out 8.56 3.33 212 212 DI w/15" in and out 8.60 3.22 214 213 YD w/18" out 7.83 2.85 214 214 MH - - - 15 in 8.16 2.42 4-89 1811 in - - - 19"x3O" out - - - 215 YD w/15" out 7.00 2.90 216 216 YD w/15" in and out 7.00 2.56 4-90 217 DI w/13"xl7" CMP out - - 218 218 DI - - - 13"x]7" CMP in - - 219 15" out - - - 219 1511 - - Roberts Creek 220 1811 - - 221 221 1811 - - 224 222 DI w/15" out - - 223 223 1 5's - - 224 5-6 TOPO SHEET NUMBER 5 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 224 1811 225 225 1811 Roberts Creek 226 ES 1211 227 227 DI - 12 in - - 228 1311x17" CMP out - - - 228 DI - - - 1311x17" CMP in - - 229 1811 out - - - 229 ES 18" - - White House Cove 5-7 POQUOSON DRAINAGE STUDY TOPO SHEET NUMBER 6 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 1 1511 - 2.12 2 2 YD w/15" in and out 3.61 - 3 3 15 - 1.04 6 4 18 - 0.74 5 5 18 - 0.74 6 6 2411 - 0.64 7 7 2411 - - Floyds Bay 8 DI w/15" out 4.85 2.29 9 9 DI - - - 1511 in 4.85 2.17 10 1811 out - - - 10 1811 - 1.33 Floyds Bay 11 DI w/15" out 5.00 2.78 12 12 ES 1511 - 2.56 Bennett Creek 13 DI w/18" out 4.83 2.53 14 14 18 - 1.53 White House Cove 15 DI w/15" out 4.85 2.29 16 16 DI - - - 1511 in 4.85 2.17 17 1811 out - - - 17 1811 - 1.91 Bennett Creek 18 1511 - - 19 19 1511 - - White House Cove 20 1211 - - 21 21 1211 - - @ #19 enters White House Cove 6-1 POQUOSON DRAINGE STUDY TOPO SHEET NUMBER 8 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted I B=4.5, D=2, Z=1.1 1.68 103 2 B=4, D=3, Z=l 2.2- 1 3 B=l, D=2, Z=2 3.68 2 4 2111 3.69 3 5 YD - - 2111 in 5.74 3.75 4 1511 in - 4.03 - 2111 out - 3.70 - 6 1511 - 4.05 5 7 DI - - - 1811 in 7.25 4.16 6 2111 out - - - 8 MH - - - 1511 in 7.50 4.36 7 18" in and out - - - 9 1511 - 4.38 8 10 EW w/18" 6.50 4.40 8 11 D=l, B=1.5, Z=l - 4.41 10 12 EW w/l 5" 7.65 5.65 11 13 EW w/15" 8.34 6.34 12 14 EW w/l 8 11 7.50 5.00 13 15 EW w/18" 8.50 6.50 14 16 ES 12" - 7.16 17 17 ES 1211 - 7.10 15 18 DI w/12" out 8.87 6.50 19 19 DI w/12" in and out 8.81 5.97 20 20 EW w/12" 7.50 5.00 13 21 ES 1511 - 4.13 22 22 DI w/15" in and out 6.27 3.77 23 23 DI w/15" in and out - - 24 24 1511 - 2.76 2 25 2411 - 3.80 26 26 2411 - 3.87 27 27 D=1.4, Z=2.5 - 3.98 28 28 B=2, D=2, Z=l - - I 29 3611 - 0.34 Lambs Creek 30 DI w/36" in and out 6.23 0.54 29 31 DI w/36" in and out 6.23 0.64 30 32 YD - - - 30" in 5.73 1.78 31 3611 out - 1.28 31 33 YD - - - 1511 in 6.23 2.17 32 30" out - 1.95 - 34 MH w/15" in and out - 33 35 YD w/15" in and out - 3.33 34 36 DI w/15" in and out 6.23 3.63 35 37 DI w/15" out 6.23 3.73 36 38 3011 - - 33 8-1 TOPO SHEET NUMBER 8 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 39 YD - - - 1511 in - - 38 30" out - - - 40 YD - - 39 41 YD - - 40 42 2711 - - 41 43 YD w/18" in 7.23 - 41 44 1811 - 4.58 43 45 1$11 - 4.80 44 46 1811 - 4.73 45 47 DI - - 40 48 DI - - 47 49 DI - - 48 50 YD w/18" in and out 7.22 - 49 51 YD - - - 15H in 6.48 4.24 50 18" in and out - - - 52 ES 1511 4.74 51 53 YD - - - 1511 in 7.23 4.93 51 18" in and out - 4.68 - 54 ES 1811 - 4.70 53 55 DI w/15" in and out 7.93 5.26 53 56 DI w/15" out 7.93 5.33 55 57 DI w/15" in and out 6.73 .3.53 39 58 DI w/15" out 6.73 3.73 57 59 ES 15" - 5.55 60 60 YD - - - 1511 in 7.23 5.41 61 18" out - 5.16 - 61 DI w/18" in and out 7.44 - 62 62 DI w/18" in and out 7.44 - 63 63 1811 - 4.57 33 64 ES 15 - 5.25 65 65 YD - - - 2-1511 in - 5 04 67 1511 out - - 66 ES 15" - 5.08 65 67 DI It - - - 15 in 7.28 4.64 68 15" out - 4.39 - 68 DI - - - 1511 in 7.28 4.31 69 1811 out - - - 69 YD - - - 2-1811 in 6.73 3.93 73 24" out - - - 70 ES 1811 - 3.98 69 71 B=1.5, D=3, Z=1.1 - - 70 72 B=l , D=l .5, Z=l .7 - - 71 73 ES 24'1 - 3.53 74 74 B=3, D=5, Z=.6 - - 75 8-2 TOPO SHEET NUMBER 8 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 75 B=2, D=6, Z=.8 - 76 76 ES 24" - 2.00 77 77 MH w/24" in and out 7.20 1.93 78 78 ES 2411 - 1.40 Lambs Creek 79 ES 18" - 1.93 Lambs Creek 80 DI w/18" in and out 5.05 2.05 79 81 DI w/18" out 5.05 2.20 80 82 - - - 83 83 2411 - 4.93 84 84 2411 - 4.65 85 85 D=2.75, Z=l - 4.80 42 86 ES 1511 - 3.93 87 87 DI w/15" in and out 6.33 3.73 88 88 DI w/15" in and out 6.33 3.53 89 89 1511 - 3.13 Lambs Creek 90 DI w/15" out 6.18 3.46 91 91 DI w/l 5" in and out 6.18 3.38 92 92 DI w/15" in and out 6.28 3.24 93 93 ES 1511 - 2.91 Lambs Creek 94 DI w/15" out 6.18 3.58 95 95 DI w/l 5" in and out 6.18 3.38 96 96 DI w/15" in and out 6.24 3.24 97 97 ES 15" - 2.73 Lambs Creek 98 DI w/15" out 6.73 3.73 99 99 1511 - 3.53 Lambs Creek 100 DI w/15" out 6.73 3.73 101 101 DI w/15" in and out 6.73 3.63 102 102 1511 - 3.53 Lambs Creek 103 B=9.5, D=3.9, Z=1.2 - 1.21 104 104 3611 - 1.28 105 105 3611 - -0.08 Lambs Creek 8-3 POQUOSON DRAINAGE STUDY TOPO SHEET NUMBER 9 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted I DI w/18" in and out 6.82 3.98 - 2 ES-141 18" - 4.03 1 3 YD w/18" in and out 6.21 4.30 4 4 1811 - 4.90 Sheet 14-267 5 YD 6.31 - 18 - - 24" out - 4.37 3 6 1811 - 4.62 5 7 B=3, D=4, Z=.17 - 1.38 9 8 12 11 - 4.32 7 9 B=3.5, D=4, Z=.71 - 1.32 10 10 24" - - 11 11 2411 - - 12 12 B=5, D=3, Z=.83 - 1.28 243 13 DI w/24" in and out 6.23 1.97 256 14 12 - 4.11 15 15 12 - 4.02 18 16 1211 - 3.99 17 17 12" - 3.99 18 18 B=2, D=1.2, Z=2.5� - 4.13 19 19 B=2, D=l, Z=1.5 - 3.53 20 20 B=3, D=2.4, Z=1.45� - 2.93 21 21 B=4, D=4, Z=.75 - 2.40 22 22 EW w/24" - 2.26 23 23 YD 4.90 1.96 24 2-24 in - - - 1211 in - - - 36" CMP out 24 YD w/36" CMP in and out - - 25 25 YD w/36" CMP in and out - - 28 26 EW-1 w/ 30" - 6.13 101 27 EW-1 w/24" - 6.70 102 28 EW w/36" CMP - - White House Cove 29 EW w/24" - 2.76 23 30 EW w/24" - 2.83 29 31 24" - 2.69 30 32 1811 - 2.78 31 33 YD - 5.38 - 1211 in - 3.61 - 18" in and out - 3.35 32 34 YD w/18" in and out 5.36 3.47 - - 3.65 33 35 YD w/12" out 5.58 4.28 33 36 1811 - - 34 37 2411 - - 23 38 1211 - 3.07 22 39 1211 - 4.72 41 40 1211 - 4.08 41 Rev. 7-20-92 9-1 TOPO SHEET NUMBER 9 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 41 MH 6.15 - - 2-12" in - 4.09 - 3.97 - 12" out 3.85 38 42 12" CP - 4.46 19 43 1211 - 6.63 44 44 1211 - 6.65 6-428 45 1511 - 6.72 46 46 15' 6.63 6-248 47 B=2, D=1.5, Z=.33 - 43 and 45 48 1211 CP - - 47 49 1211 CP - - 50 50 1211 CP - - 51 51 B=3, D=3, Z=.17 - - 57 52 EW w/24" - 1.77 53 53 YD w/24" in and out 4.80 1.84 54 54 YD w/24" in and out 4.29 1.84 56 55 1211 - - 54 56 2411 - - Canal to White House Cove 57 B=3, D=2, Z=.25 - - 52 58 DI w/34"x22" in and out - 6.27 278 59 DI w/34"x22" in - 5.97 out - 5.77 62 60 DI w/34N22", 18" in - - - 3411x22" out - 6.10 61 61 3411x22" - 5.93 65 62 MH - - - 3411x22" in and out 9.80 5.77 63 1511 in - - - 63 34"x22" - 5.63 246 64 4211x2711 - 5.30 246 65 4211x27" - 5.70 64 66 24" CP - - 246 67 24" CP - - 246 68 2411 CP - - 69 69 B=3, D=5, Z=1.2 - - 70 70 B=5, D=5, Z=1.3 - - 71 71 B=3.5, D=5, Z=1.25 - - 72 72 B=3, D=8, Z=.75 - - 73 73 B=4, D=9, Z-.89 - - 75 74 1211 CP - - 75 75 B=4, D=6, Z=1.58 - 4.18 76 76 B=2, D=5, Z=2 - 3.98 77 77 EW w/42" 7.53 3.33 78 78 EW w/42" 7.46 3.26 79 79 B=2, D=6, Z=1.75 - 3.23 80 80 B=3, D=9, Z=.83 - - 82 81 void 82 B=3, D=5, Z=1.6 - - 83 83 ES 65"x4O" CMP - 2.13 84 84 ES 65N40" CMP - 2.04 86 85 ES-1 12'1 - 1.89 86 9-2 TOPO SHEET NUMBER 9 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 86 B=8, D=2.61, Z=1.5� - - 87 87 EW w/42"x3O 4.21 -0.06 88 88 EW w/42"x3O 4.16 -0-10 White House Cove 89 ES 2411 - 2.07 86 90 DI - - - 24" in and out 6.98 2.25 89 1211 in - 3.60 - 91 DI w/12" out 6.98 3.73 90 92 MH w/24" in and out 7.83 2.96 9-0 93 MH - - - 1211 in (stub) 8.33 6.23 92 24" in and out - 3.15 92 94 EW w/24" - 3.25 93 95 B=3, D=2.67�, Z=1.69� - - 86 96 1811 - 2.53 95 97 1811 - 3.28 96 98 B=4, D=2, Z=I (PG-5) - - 79 99 JB w/30" twin - - - in and out - 2.81 98 100 Double JB - - - 2711 and 30" in - 3.03 99 2111 in - 4.81 - 3011 out - 3.03 - 101 JB w/30" in and out - 3.67 100 102 JB - - - 2411 in - 4.65 100 27" out - 4.54 100 103 JB - - - 2411 in - 4.97 102 2411 out - 4.92 - 104 EW w/24" - 5.05 103 105 EW w/15" 7.20 4.20 75 106 MH w/15" 9.43 4.63 105 107 DI w/I 51' 7.10 4.96 106 108 DI w/I 5" 8.71 5.44 107 109 EW w/15" - 5.73 108 110 12 - 7.66 111 III YD - - - 12" in - 5.98 112 1811 out - - - 112 MH w/2-18" in, 18" out 9.01 5.49 114 113 ES-1 1811 - 5.59 112 114 DI - - - 12" and 18" in 8.03 5.24 116 18" out - - - 115 DI w/12" out 7.78 5.53 114 116 DI w/18" in and out 7.96 5.07 117 117 MH w/2-1811 in and out 8.18 4.99 249 118 DI w/12" in and out 7.93 5.66 272 119 DI w/12" out 7.73 5.78 118 120 DI w1l 2" out 8.23 6.05 253 121 DI w/12" out 8.48 6.40 252 122 DI w/15" out 8.05 5.32 123 9-3 TOPO SHEET NUMBER 9 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 123 DI - - - 15H in 8.63 5.11 124 1811 out - 9.86 - 124 EW-1 18H 7.23 4.73 109 125 DI - - - 2-1211 in 8.84 5.23 126 1511 out - 4.98 - 11 126 EW-1 15 7.10 4.85 109 127 DI w/12" out 7.85 5.16 128 128 DI - - - 1211 in 7.93 5.00 130 1811 out - 4.50 0 129 DI w/21" out 7.65 4.23 130 130 DI - - - 1811 in 7.93 4.25 131 2111 in - 4.01 - 2711 out - 3.50 - 131 YD-l w/27" in and out 6.85 3.37 132 132 EW-1 2711 7.05 3.29 109 133 DI w/2-21" out 8.80 5.53 134 134 DI w/2-21" in and out 8.80 5.19 135 135 EW-1 21 11 - 4.58 104 136 YD-1 15" out 8.57 6.30 137 137 DI - - - 1511 in 8.53 5.89 138 1411x23" out - - - 138 DI - - - 1411x23" in 8.53 5.73 139 1811 out - - 139 EW-1 18" 5.26 104 140 1811 6.57 141 141 1811 - 6.50 104 142 YD-1 1511 out 8.82 7.00 143 143 DI - - - 2-1511 in 8.93 6.35 144 1411x23" out - - - 144 DI - - - 14"x23" in 8.93 6.23 145 1811 out - - - 145 EW-1 1811 - 5.05 104 146 1511 - 5.80 147 147 15'1 - 5.70 133 148 1411x23" CP - 6.39 133 149 EW 2411 - 3.54 94 150 DI w/14"x23" out 8.41 6.51 148 151 DI - - - 1411x23" in and out 9.11 6.65 133 152 DI - - - 15" in 9.11 6.76 151 1411x23" out - - - 153, DI w/15" out 8.82 6.88 152 154 DI w/12" out 6.98 4.70 155 9-4 TOPO SHEET NUMBER 9 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 155 DI w/12" in, 15" out 7.01 4.71 156 156 EW-1 1511 - 4.44 165 157 DI w/12" out 6.93 4.63 158 158 EW-1 1211 - 4.53 165 159 DI w112" out 6.85 4.53 160 160 EW-1 1211 - 4.44 165 161 DI w/12" out 7.09 4.38 162 162 EW-1 1211 - 4.26 165 163 DI - - - 12" and 21 " in 7.53 3.76 149 2411 out - - - 164 DI w/12" out 7.48 3.84 163 165 EW-2 21 3.89 163 166 ES-1 12" 6.23 167 167 D I - - - 1211 in 7.45 5.23 168 1511 out - 4.40 - 168 EW-1 15" 4.30 165 169 YD - - - 12 in 4.25 1.21 171 1211 in - 1.76 - 2491 out 1.20 - 170 YD - - - 1211 in 4.37 1.47 169 1211 out - 1.46 - 171 2411 1.07 White House Cove 172 YD - - - 1211 in 4.31 1.82 170 1211 out - 1.77 - 173 EW 1211 - 1.59 172 174 EW w/twin 1811 - 1.79 173 175 EW w/twin 18" - 2.04 Roadside Ditch to White House Cove 176 JB w/4-18" in and out 4.95 2.38 175/174 177 1811 CP - 2.88 176 178 B=3.5, D=4, Z=.56, - 242 179 B=4, D=4, Z=.63 - - 178 180 B=3, D=4, Z=.5 - - 179 181 B=4, D=5, Z=.4 - - 180 182 2411 CP - - 181 183 B=4, D=3.5, Z=.57 - 182 184 B=3, D=3.5, Z=.57 - - 183 185 1811 - 2.80 184 186 1811 - 3.33 185 187 42"x27" - 3.73 186 188 DI w/30" in 7.23 3.83 187 4211x27" out - - - 189 ES-1 30'1 - 4.19 188 190 D=3, B=2, Z=2 - 4.61 189 191 PG-5 D=l, W=2, Z=l - 5.44 190 192 EW w/twin 18" - 5.45 191 193 EW w/twin 18" - 5.63 192 194 DI w/2-12" out 7.03 4.48 195 195 DI w12-12" in and out 7.03 4.34 281 196 2-12 4.06 184 197 B=2, D=3, Z=.17 - 190 Rev. 7-20-92 9-5 TOPO SHEET NUMBER 9 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 198 Earth Swale - 197 199 Earth Swale - - 198 200 B=2.5, D=1.5, Z=.5 - 6.03 190 201 1.5' Paved Swale - - 200 202 YD w/12" out 8.39 6.30 203 203 YD 9.04 6.40 290 8" in - 6.54 - 1511 in - 6.54 - 1211 out - 6.33 - 204 1511 - - 203 205 1211 - 6.00 5-17 206 DI w/12" out 8.90 6.38 205 207 B=2, D=2, Z=1.75 - 2.05 5-159 208 YD - - - 24" in 4.46 1.64 207 1511 in - 1.81 - 209 ES 2161 2.62 82 210 2411 - 1.75 208 211 DI w/15" out 5.34 2.38 222 212 void 213 B=4, D=2, Z=1 - 2.62 210 214 B=4, D=2, Z=l - 3.54 213 215 B=3, D=3, Z=.58 - 3.66 214 216 B=2.5, D=2.5, Z=.9 - 4.18 215 217 B=1.5., D=3, Z=35 - 4.66 216 218 DI w/12" out 5.45 3.01 219 219 DI w/12" in, 15 out 5.45 2.93 220 220 ES-1 15" - 2.71 213 221 ES 1811 - 5.02 117 222 1518 - - 210 223 12'a - 6.45 202 224 1211 - 6.61 223 225 12'1 - 6.73 226 226 1211 - 6.47 193 227 DI w/15" in and out 8.95 6.16 193 228 DI w/15" out 9.09 6.36 227 229 DI w/15" out 8.91 6.26 230 230 DI w/15" in and out 8.87 6.10 190 231 DI w1l 2" out 5.53 2.23 232 232 DI w/12" in and out 5.77 2.15 85 233 DI w/1211 in and out 5.91 3.58 86 234 DI w/12" out 5.91 3.71 233 235 DI - - - 2-12" in 5.70 2.84 209 2111 out - - - 236 DI - - - 12 in 5.73 3.45 235 2-1211 out - - - 237 YD w/12" in and out 5.29 3.56 236 238 YD w112" in and out 5.43 3.79 237 239 DI w/12" in and out 7.52 4.17 238 240 DI w/12" in and out 6.53 4.53 239 Rev. 7-20-92 9-6 TOPO SHEET NUMBER 9 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 241 YD w/12" out 6.68 4.96 240 242 1811 - 2.24 176 243 B=4, D=4, Z=1.13 - - 10-6 244 1211 - 3.95 16/14 245 1211 - 3.91 244 246 B=5, D=4, Z=1.38 - - 69 247 1811 - 5.43 5-17 248 1811 - 5.55 247 249 1811 - 5.35 98 250 YD-1 15" out 8.27 6.85 143 251 1211 - 4.53 8 252 1211 - 6.33 221 253 1211 - 5.93 221 254 1211 - 4.38 42 255 DI - - - 1811 in 6.23 2.33 13 2411 out - 2.09 - 256 EW-1 2411 - 1.73 10-6 257 DI w/18" in and out 6.23 2.35 255 258 DI w/18" in and out 6.23 2.54 257 259 DI w/18" in and out 6.23 2.56 258 260 DI w/18" in and out 6.23 2.75 259 261 DI w/18" in and out 6.23 2.77 260 262 DI - - - 1511 in 6.23 3.18 261 18" out - 2.96 - 263 DI w/15" in and out 6.23 3.60 262 264 DI w/1511 in and out 6.23 3.68 263 265 DI w/l 5" out 6.73 3.91 264 266 1811 - 2.13 7 267 DI w/18" in and out - - 266 268 1811 - 2.73 267 269 void 270 void 271 ES-1 15" - 4.00 7 272 1211 - 5.54 221 273 YD w/12" out 6.25 4.52 14-338 274 YD w/1211 out 6.25 3.82 15-181 275 ES-1 15fl - 4.16 271 276 DI w/15" out 8.40 6.00 62 277 DI w/18" out 8.30 6.20 60 278 DI w/15" out 8.40 6.70 58 279 1511 - 6.73 280 280 15" - 6.51 193 281 DI w/18" out - - 182 282 DI w/18" out - - 283 283 1811 - - 177 284 1211 - - Canal 285 1211 - - 284 286 12'1 - - 287 287 1211 - - 288 288 1511 - - 289 289 1511 - - Canal to White House Cove 290 1211 - 7.95 5-17 Rev. 7-20-92 9-7 POQUOSON DRAINAGE STUDY TOPO SHEET NUMBER 10 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted I B=8, D=3.5, Z=.86 15-106 2 B=6, D=3, Z=.83 1 3 ES - - 2 4 DI w/12" out 6.23 3.58 3 5 YD 3 6 EW - - 5 7 DI w/15" out 6.23 3.23 8 8 DI - - - 1511 in 6.23 2.98 9 1811 out - 2.73 - 9 DI w/18" in and out 6.23 2.71 10 10 DI w/18" in and out 6.23 2.52 11 11 DI w/18" in and out 6.23 2.50 9-255 12 B=3, D=3.5, Z=1.5 - - 2 13 1211 - 2.55t 12 14 DI w112" out 6.41 2.58 13 15 ES 18" - 2.90 12 16 DI w/l 8" in and out 7.18 2.95 15 17 DI w/l 8" in and out 6.85 3.09 16 18 DI - - - 1211 in 6.68 3.16 17 18" in and out - - - 19 DI - - - 15" in 6.75 3.29 18 1811 out - - - 20 DI - - - 2-12ij in 6.75 3.30 19 15" out - - - 21 DI w/12" in and out 7.13 3.56 20 22 DI w/l 2" out 7.13 3.57 21 23 DI w/12" out 7.80 3.45 20 24 DI w/12" out 7.15 3.44 18 25 ES 18" - 3.26 12 26 YD - - - 1211 in 6.00 3.51 25 1811 out - - - 27 DI w/12" out 7.18 3.70 26 28 B=3.5, D=5, Z=l - - 2 29 B=3, D=4, Z=1.25 - 28 30 B=1.5, D=l, Z=1.75 - - 29 31 B=.5, D=1.5, Z=.83 - 4.10 30 32 B=2, D=5, Z=1.2 - - 12 33 B=2, D=3, Z=2 - - 32 34 1511 - - 33 35 YD w/15" in and out - - 34 36 15'1 - - 35 37 B=1.5, D=3.5, Z=1.6 - - 36 38 1211 - 5.38 39 10-1 TOPO SHEET NUMBER 10 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 11 - 39 12 5.03 73 40 1511 3.29 41 41 1511 3.38 73 42 B=3, D=3.5, Z=l - - 15-196 43 B=2, D=2, Z=1 - 42 44 B=2, D=l Z=l - - 43 45 1211 - 4.47 46 46 1211 4.35 47 47 B=2.5, D=3.5, Z=1.14 - 48 48 3611 1.42 49 49 EW w/36" 1.60 58 50 EW w/18" 3.83 51 51 EW w/18" 3.24 58 52 1211 - 47 53 YD w/12" out 5.88 4.21 52 54 YD w/18" out 5.62 3.71 55 55 1811 - 2.65 56 56 181t - 3.19 57 57 1811 - 2.11 58 58 B=2, D=3, Z=1.83 - - 59 59 B=2, D=3, Z=l - - 60 60 B=5, D=3, Z=1.16 - - 61 61 B=13, D=2, Z=3 - - Floyds Bay 62 1211 - 3.95 63 63 YD w/12" in and out 5.14 2.89 64 64 12 2.96 65 65 1211 3.17 66 66 1211 3.49 67 67 1811 - 2.76 68 68 DI w/18" in and out 4.63 2.60 69 69 1861 - - 74 70 1211 - - 71 71 DI w112" in and out 5.16 - 72 72 End pipe - - 73 73 1811 - 2.86 162 74 B=2, D=4, Z=l - - 75 - 75 3011 - - 76 76 YD w/30" in and out - - 77 77 YD w/30" in and out - - 78 78 ES 30'1 - - 79 79 B=7, D=2, Z=3.25 - - Floyds Bay 80 EW w/18" - 3.66 75 81 EW w/18" - 4.24 80 82 18" - 3.97 83 83 1811 - 3.51 Ditch to Floyds Bay 84 1211 - - Ditch to Floyds Bay 85 1211 - 4.49 84 86 EW w/12" - 4.50 85 87 EW w/12" - 4.43 86 88 EW w/l 8" - 3.98 89 89 EW w/18" - 3.90 unknown 90 EW w/12" - 3.95 91 10-2 TOPO SHEET NUMBER 10 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 91 EW w/12" - 3.90 92 92 1511 - - 93 93 1511 - - 100 94 EW w/12" - 4.35 195 95 EW w/12" - 4.02 100 96 1211 - - 97 97 YD w/12" in and out - 99 98 12 97 99 12 100 100 B=311 D=3.5, Z=3 - - 101 101 1811 - 0.70 102 102 1811 - 0.18 103 103 3011 - - 104 104 3011 - - Floyds Bay 105 DI w/1-5" out 5.50 2.87 106 106 DI - - - 15 in 5.50 2.79 107 1811 out - - - 107 DI - - - 15" and 18" in 5.25 2.31 108 2411 out - - - 108 YD - - - 1811 and 24" in 5.15 2.15 109 27" out - - - 109 DI - - - 2711 i:n 5.22 1.95 110 2211x34" out - - - 110 DI - - 2211x34" in 5.26 1.86 Ill 3011 out - - - 111 YD w/30" in and out 5.03 1.67 112 112 EW w/30" 5.15 1.65 113 113 18 - 1.20 114 114 1811 - 1.17 101 115 DI w/15" out 5.23 2.63 107 116 YD w/18" in and out 5.23 2.61 108 117 YD w/18" out 5.48 3.19 116 118 18'1 - 0.57 119 119 1811 - 0.08 103 120 1811 - - 121 121 1811 - - 103 122 End pipe - - 123 123 DI w/15" in - - 127 124 1511 - 1.94 123 125 1811 - 2.06 124 126 1811 - 2.13 125 127 End pipe - 1.50 128 128 End pipe - - 129 129 YD - - unknown 130 EW w/18" - 3.57 132 131 EW w/12" - 4.01 132 132 EW w/I 2" and 18" - 3.12 140 10-3 TOPO SHEET NUMBER 10 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 133 B=2.5, D=1.5, Z=1.5 - - 134 134 B=3, D=1.5, Z=1.33 - - 135 135 B=3, D=l, Z=3 - - 136 136 B=2, D=l, Z=2.5 - - 15-26 137 1811 - - 15-214 138 DI w/18" in and out 4.78 - 139 139 EW w/18" - 1.55 140 140 B=5, D=2.5, Z=1.2 - - Topping Creek 141 1811 - 1.07 Bennett Creek 142 1811 - 1.44 141 143 EW w/12" - 4.21 144 144 EW w/12" - 3.76 145 145 1511 - - 146 146 1511 - - 142 147 1511 - - 148 148 1511 - - 149 149 B=l , D=l .5, Z=l .7 - - 15-84 150 End pipe - - 151 151 End pipe - - Bennett Creek 152 1511 - - 153 153 DI - - - 1511 and 18" in 4.28 1.28 156 2411 out - - - 154 ES 1811 1.50 153 155 B=3, D=2, Z=l - - 154 156 DI w/24" in, 3011 out 3.51 0.61 157 157 EW w/30" - 0.50 Bennett Creek 158 ES 1511 2.00 159 159 DI - - - 15 in 3.74 0.74 161 18 in - - - 24" out - - 160 ES 1811 - 1.50 159 161 DI w/24" in, 30" out 3.51 0.61 162 162 EW w/30" - 0.50 Bennett Creek 163 1811 - 2.13 75 164 YD w/12" out 6.25 3.68 165 165 YD w/12" in and out 6.25 3.41 15-179 166 1211 - - 167 167 1211 - - 168 168 B=3, D=l, Z=l - - 169 169 B=2, D=1.5, Z=l - - 170 170 1211 - - 171 171 1211 - - Bennett Creek 172 B=3, D=l, Z=1.5 - - 169 173 1811 - - 174 174 1811 - - Bennett Creek 175 B=8, D=2, Z=2 - - 180 176 YD - - - 12" out 3.81 1.85 181 12" in - 1.65 - 1811 in 1.65 - 240 out 1.35 - Rev. 7-20-92 10-4 TOPO SHEET NUMBER 10 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 177 B=12, D=0.5, Z=4 - - Floyds Bay 178 1211 - 4.98 176 179 1211 - 6.46 176 180 1811 - 7.10 176 181 2411 - 7.92 177 182 1811 - 1.35 Bennett Creek 183 1811 - 1.46 182 184 1511 - 2.47 185 185 1511 - 2.02 Bennett Creek Rev. 7-20-92 10-5 POQUOSON DRAINAGE STUDY TOPO SHEET NUMBER 11 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted I B=4, D=2, Z=2 - - 2 2 EW w/27"x42" 3.59 0.34 3 3 DI - 27 x42" in and out 4.07 0.07 4 4 DI - - - 2711x42" in 3.95 -0.05 5 2711 in - - - 2911x45" out 5 DI - - - 2911x45" out 3.31 -0.16 6 1211 in - 1.26 - 15" in 1.01 - 6 DI - - - 2911x45" in and out 2.98 -0.49 7 7 MH - - - 29 x45" in and out 3.90 -0.40 8 8 EW w/29"x45" 2.45 -0.97 9 9 B=4, Z=2 - - Easton Cove 10 EW w/18" 3.69 0.44 11 11 YD - - - 18" in 3.73 0.41 12 2791 out - - - 12 DI w/27" in and out 4.23 0.17 4 13 1511 - 1.73 5 14 1211 - 1.73 5 15 24'1 - -0.14 16 16 24-1 - -0.17 Canal to Bennetts Creek 17 EW w/15" - 1.71 Canal to Bennetts Creek 18 EW w/15" - 1.65 Canal to Bennetts Creek 19 1811 - 0.35 20 20 1811 - 0.84 Canal to Easton Cove 21 EW w/12" - 1.30 17 22 EW w/12" - 1.89 21 23 EW w/12" - - 17 24 EW w/12" - - 23 25 D=1.2, Z=2 - 2.90 15 26 B=6, D=2, Z=1.25 - - Ditch to Easton Cove 27 1511 - - 26 28 1511 - - 27 29 B=2.5, D=2, Z=1.38 - - Big Salt Marsh 30 1511 - - 29 31 1511 - - 30 32 B=2.5, D=1.5, Z=1.5 - - Big Salt Marsh 33 1511 - - 32 34 1511 - - 33 35 1511 - - 36 36 1511 - - Bennetts Creek POQUOSON DRAINAGE STUDY TOPO SHEET NUMBER 13 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 1 B=8, D=4, Z=1.75 5.03 2/3 2 361, CMP - 4.69 14-13 3 361, CMP - 4.44 14-13 4 B=4, D=3, Z=2 - 14-22/23/24 5 201, CMP - @@,4. 6 4 6 6 20" CMP - 4.28 7 7 EW w/15" and 18" CMP - 8 8 EW w/15" and 18" CMP - - Lambs Creek 9 1511 - 4.83 10 10 1511 - 5.22 8 11 18'1 - 5.66 12 12 1811 - 5.51 8 13-1 'POQUOSON DRAINAGE STUDY TOPO SHEET NUMBER 14 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 1 3-6'x8' Box Culvert - -1.77 Oxford Run 2 3-6'x8' Box Culvert - -1.71 1 3 B=4, D=5.33, Z=1.97 - 1.11 2 4 D=6.2,,*Z=2.3 - -0.94 3 5 D=7.5,iZ=1.8 - -0.67 4 6 D=8.45, Z=1.6 - -0.69 5 7 D=9.7,@Z=1.6 - -0.59 6 8 3611 - 2.68 7 9 3611 - 2.63 7 1 10 36' - 3.16 8 11 3611 - 3.14 9 12 D=4.3, Z=3 - 3.97 10 and 11 13 D=6.5, Z=2.3 - 2.48 12 14 D=9.35, Z=2 - -0.13 7 15 D=8.65, Z=2 - -0.47 14 16 D=6.6, Z=1.87 - 0.93 15 17 D=5.45, Z=2.4 - 1.48 16 18 D=5.25, Z=2.4 - 1.20 17 19 36" (EW) 6.62 1.71 18 20 3611 (EW) 6.62 2.68 18 21 36" (EW) 6.62 2.74- 18 22 36" (EW) 6.47 1.89 19 23 36" (EW) 6.47 2.51 20 24 3611 (EW) 6.47 2.61 21 25 3011 - 2.02 1 26 DI w/30" in and out 2.21 25 27 DI w/30" in and out - 2.48 26 28 DI w/15" out 8.00 5.00 29 29 MH 9.40 2.93 - 1511 and 27" in - - - 3011 out - 27 30 DI - - - 24" in - 3.28 - 2711 out - - 29 31 DI w/15" out 9.00 6.58 30 32 DI w/15" out 8.20 5.80 33 33 DI - - - 15" and 24" in 3.66 - 2411 out - - 30 34 DI w/15" out 8.30 5.88 33 35 YD w/15" out 8.42 5.09 33 36 MH - - - 151' and 24" in 10.40 4.14 33 24" out - - - 37 DI w/15" in and out 9.00 5.37 36 38 DI w/15" out 9.00 6.00 37 39 MH - - 15" and 21" in 10.00 4.23 36 2411 out - - - 14-1 TOPO SHEET NUMBER 14 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 40 DI w/15" out 9.00 6.00 39 41 DI w/15" out 9.00 6.00 39 42 DI w/15" in and out - 5.08 39 43 DI - - - 15" and 21" in - 4.29 39 2111 out - - - 44 DI w/15" out 9.60 6.00 43 45 DI w/15" out 9.20 6.20 46 46 MH - - - 15" and 21 " in 10.60 4.64 43 2111 out - - - 47 DI w/15" out 9.20 6.00 48 48 DI - - - 18" in 4.79 46 2111 out - - - 49 DI w/15" out 9.20 6.20 48 50 DI w/15" out 9.30 6.00 51 51 DI 2-1511 in - 5.42 48 18" out - - - 52 DI w/15" out 8.40 5.66 53 53 DI - - - 2-1511 in 5.53 51 1511 out - - - 54 DI w/15" out 7.90 5.90 302 55 DI w/15" in and out - 5.83 302 56 DI w/15" in and out 8.70 5.87 55 57 DI w/15" in and out 8.60 5.94 56 58 DI w/15" out 8.50 6.08 57 59 1511 - 5.73 61 60 ES 18'1 - 5.31 61 61 DI - - - 1511 and 18" in - 5.26 62 2411 out - - - 62 MH - - - 1511 and 24" in 9.00 5.00 64 2411 out - - - 63 DI w/15" out 8.70 6.30 64 64 MH - - - 15" and 24" in 9.40 - - 2411 out - 4.60 66 65 1511 - 2.52 341 66 DI w/24" in and out - 5.20 67 67 DI w/24" in and out - 5.01 69 68 DI w/15" out 8.80 5.80 69 69 JB - - - 2-24 and 15" in - - - 2-24" out 3.78 80 70 MH w/24" in and out - 4.08 69 71 MH - - - 18" in 7.38 5'05 70 24" out - 4.56 - 14-2 TOPO SHEET NUMBER 14 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 72 DI w/18" out 8.23 5.25 71 73 DI w/18" out 8.48 5.33 74 74 DI w/18" in and out 8.13 4.63 75 75 YD - - - 18" and 12" in 7.28 - - 2711 out - 4.03 78 76 YD w/12" out 8.09 5.96 77 77 YD w/12" in and out 7.87 5.77 75 78 DI w/27" in and out - 3.56 82 79 EW 4211 - 1.12 18 80 JB - - - 2-2411 in - 3.63 79 2711 in - - - 36" in - 2.54 4211 out - - 81 JB 36" in and out 9.70 3.60 80 82 MH - - - 30" in 9.50 3.78 81 3611 out - - - 83 DI w/30" in and out - 4.57 82 84 DI w/15" out 8.40 5.60 83 85 DI w/15" out 8.00 5.58 86 86 DI w/15" in and out 8.20 5.34 87 87 DI - - - 2711 in - 4.82 83 30" out - - - 88 DI w/15" out - 5.66 87 89 DI w/15" out - 5.66 90 90 MH - - - 15 and 27" in 9.80 5.06 87 2711 out - - - 91 DI w/21" out - 5.35 92 92 DI - - - 2111 in - 5.34 90 2711 out - - - 93 DI w/27" in and out - 4.18 80 94 DI w/15" out 7.40 4.98 95 95 DI - - - 15" and 24" in - - - 2711 out - 4.46 93 96 ES 1511 - 5.77 99 97 YD w/15" out 8.4 5.90 98 98 YD w/15" in and out 8.40 5.71 99 99 DI - - - 2-1511 in 8.50 5.51 101 1811 out - 5.26 - 100 YD w/15" out 8.40 5.38 101 101 MH 9.15 - - 1511 in - 5.28 102 1811 in - 5.03 - 1 11 8out - - - 102 DI - - - 15" and 18" In - 4.78 95 24" out - - - 14-3 TOPO SHEET NUMBER 14 NUMBER DESCRI-PTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 103 DI w/15" out 8.80 5.60 104 104 DI w/15" in and out - 5.40 102 105 D=3.4, B=2, Z=2 3.65 106 106 EW w/2-24" - 3.62 107 107 EW w/2-24" 6.47 3.47 119 108 YD w/15" out 8.40 5.72 109 109 YD - - - 15 in 8.40 5.37 111 18 out - 5.12 - 110 YD w/15" out 8.40 5.67 109 ill MH w/18" in and out 9.50 4.92 113 112 YD w/l 5" out 7.29 4.70 113 113 MH - - - 15" and 18" in 8.00 4.62 115 24" out - - - 114 YD - - 29 x45" in - 4.96 115 1511 in - 6.25 - 2911x45" out - 4.42 - 115 JB - - - 2911x45" in 8.50 4.31 116 4211 out - - - 116 MH w/42" in and out 8.50 4.11 117 117 DI w/42" in and out 8.33 3.86 118 118 EW w/42" 8.00 3.49 119 119 B=7, D=5, Z=2 - 3.47 309 120 DI w112" out - 7.30 121 121 DI - - - 12" in - 7.20 124 1511 out - - - 122 DI w112" out - 7.40 124 123 DI w/12" out - 7.40 124 124 MH - - - 12" and 15" in 9.60 6.87 125 23"xl 4" out - - - 125 DI w/23"xl4" in and out - 6.81 127 126 DI w/12" out 8.20 6.65 127 127 MH - - - 23"xl 4" in 9.50 6.59 290 30"xl9" out - - - 128 DI w/1211 out 8.40 6.59 129 129 DI - - - 12" in - 6.49 9-58 3011xl 9" in - - - 34"x22" out - - - 130 DI w/15" out - 6.56 131 131 DI w/15" in and out - 6.54 133 132 ES 1511 - 6.60 133 133 MH - - - 2-15 " in 9.40 6.44 135 15" out - - - 134 DI w/15" out 8.30 6.50 135 14-4 TOPO SHEET NUMBER 14 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 135 DI - - 2-1511 in 6.40 137 2311xl4" out - - - 136 DI w/15" out 8.80 6.50 137 137 DI - - - 15" in - 6.23 139 2311xl4" in - - - 301IX19" out - 138 DI w/15" out 8.80 6. 40 139 139 DI - 1511 in - 6:.16 141 30"xl9" in and out - - - 140 DI w/15" out - 6.20 141 141 MH - - - 1511 in 9.00 61.13 9-59 30 $1 xl 9" in - - - 301IX19" out - - - 142 DI w/15" out - 6.20 9-59 143 DI w/15" out - 6.08 146 144 DI w/15" out 9.00 6.58 145 145 DI w/1511 in and out 9.00 6.38 146 146 DI - - - 2-15" in - 5.66 149 1811 out - - - 147 ES 15'1 - 6.50 149 148 DI w/15" out 9.00 6@. 58 194 149 MH - - - 15" and 18" in 11.00 5.32 151 2111 out - - - 150 ES 1511 - 6.60 151 151 DI - - - 21" in - 4.79 - 24" out - - 153 152 DI w/15" out 8.50 5.90 153 153 DI w/24" in and out - 4.28 154 154 MH - - - 24 in 9.20 4.19 155 2711 out - - - 155 MH w/27" in and out 9.20 4.06 157 156 DI w/15" out 7.90 5.50 157 157 DI w/2711 in and out - 4.00 159 158 DI w/15" out 8.00 5.58 159 159 DI - - - 2711 in - 3.76 161 3011 out - - - 160 DI w/15" out - 5.98 161 161 DI w/30" in and out - 3.06 162 162 DI w/30" in and out - 2.68 164 163 ES 15'1 - 4.20 164 164 MH w/30" in and out 8.80 2.60 165 165 30" into Box Culvert - 2.45 1 166 1511 6.60 167 14-5 TOPO SHEET NUMBER 14 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 167 15" into Box Culvert - 2.23 1 168 B=3, D=2 - 1.58 Oxford Run 169 B=3, D=2 - 3.30 168 170 B=2, D=2, Z=.75 - 3.53 169 171 - -1.47 Oxford Run 172 B=l, D=1.5, Z=.67 - .1.43 171 173 B=2, D=3, Z=.67 - 2.93 172 174 B=3, D=4, Z=.38 - 3.60 173 175 B=2, D=3, Z=.3@- - 4.98 174 176 2411 - 5.54 175 177 2411 - 5.81 -176 178 2411 - 5.85 177 179 2491 - 5.99 178 180 1211 - 7.31 181 181 1211 - 7.08 182 182 D=l, Z=l - 7.58 Into Pond 183 B=3, D=2.5, Z=.3 - -1.87 Oxford Run 184 B=2.5, D=2, Z=.37 - 1.60 183 185 B=2, D=3, Z=.5 - 4.60 184 186 1811 - 5.10 185 187 1811 - 5.33 186 188 1211 - 5.64 187 189 1211 - 6.23 188 190 1211 - 6.91 191 191 1211 - 6.29 187 192 1211 - 6.17 187 193 1211 - 6.30 192 194 1211 - 7.13 195 195 1211 - 6.98 193 196 1511 - 7.31 Various Directions 197 1511 - 7.49 Various Directions 198 1511 - 7.84 Various Directions 199 1511 - 6.57 Various Directions 200 - - 0.50 Oxford Run 201 4211 - 1.67 200 202 4211 - 1.79 201 203 B=2, D=4, Z=.75 - 2.02 202 204 B=3, D=6, Z=l - 2.73 203 205 1811 - 3.33 204 206 18'1 - 3.27 205 207 B=3, D=4, Z=.63 - 3.03 206 208 B=3, D=2, Z=.25 - 3.27 207 209 B=3.5, D=4, Z=@44 - 3.47 208 210 1811 - 3.49 209 211 1811 - 3.68 210 212 B=2, D=2, Z=1.25 - 4.60 211 213 B=2, D=3, Z=.5 - 5.13 212 214 1211 - 4.76 215 215 12'1 - 4.77 213 216 1211 - 5.63 213 217 12" - 5.70 216 218 1211 - 5.36 219 Rev. 7-20-92 14-6 - TOPO SHEET NUMBER 14 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 219 1211 - 5.18 213 220 D=1.9, Z=.26 - 5.74 207 221 D=1.3, Z=1.14 - 4.70 222 222 B=2, D=2.5 - 3.40 207 223 18 It - 4.93 224 224 1811 - 4.73 225 225 1811 - 4.64 315 ?26 DI w/15" in and out 5.03 2.26 227 227 YD - - - 1211 in 4.21 2.72 229 15" in - 1.96 - 1811 out - 1.57 - 228 1211 - 3.04 227 229 18 Is - -0.08 Cedar Creek 230 1211 - 5.50 225 231 1211 - 5.71 230 232 B=2.5, D=1.5, Z=1.3 - - 223 233 1211 - 5.72 Completely Blocked 234 1211 - 5.62 Completely Blocked 235 18 18 - 5.69 319 236 1511 - 5.60 319 237 DI w/18" in and out 6.40 4.33 238 238 DI - - - 2-18" in 6.77 4.02 242 2411 out - - - 239 YD w/12" in and out 6.14 4.59 240 240 YO - - - 2-1811 out 6.61 3.84 241 3.79 - 24" in - 3.79 - 1211 in 4.78 - 241 EW - - - 2-1811 6.60 3.66 244 3.67 - 1811 - 3.63 - 2411 3.62 - 242 YD w/24" in and out 3.94 243 243 YD - - - 24 in 6.15 3.46 241 2411 out - 3.37 - 244 D=1.3, B=6, Z=3.4 - 3.83 245 245 D=2.4, B=7, Z=3.3 - 2.43 246 246 D=6, B=8, Z=l - -0.31 248 247 EW 18" 4.73 0.41 248 248 EW 6011 5.79 -0.71 251 249 DI - - - 15 in 5.91 2.55 320 15" out - 2.46 - 250 1516 2.51 251 251 JB - - - 60 " in 5.86 -0.81 252 12" and 15" in - 2.48 - 6011 out - Rev. 7-20-92 14-7 TOPO SHEET NUMBER 14 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 252 JB - - - 60" in 5.44 -1.23 253 1811 in - 0.73 - 6011 out - - - 253 EW 60" 5.22 -1.28 254 254 B=4, D=4, Z=l - -1.29 Cedar Creek 255 DI w/18" in and out 6.72 3.79 256 256 DI - - - 1811 in 6.35 3.59 260 1411x23" in - - - 24" out - - - 257 DI w/15" out 6.32 3.76 258 258 DI - - - 15" in 6.32 3.70 256 1411x23" out - - - 259 DI - - - 21" in 6.32 3.37 260 19"x3O" out - - - 260 DI - - - 24" in 6.35 3.31 261 19"x3O" in - - - 3011 out - - - 261 YD w/30" in and out 5.73 3.01 262 262 3011 - 2.97 65 263 YD w/18" out 6.08 4.08 264 264 YD w/18" in and out 6.15 3.85 265 265 YD w/18" in and out 6.21 3.76 266 266 YD w/18" in and out 6.13 3.71 241 267 B=3, D=2, Z=.25 - 4.92 268 268 B=2.5, D-2, Z=.63 - 5.13 269 269 B=4, D=2, Z=.5 - 4.50 270 270 B=3, D=3, Z=.5 - 4.6 273 271 1211 - 4.36 272 272 YD w/12" in and out 6.04 4.20 274 273 2411 - 4.29 274 274 DI - - - 24" in 6.87 4.38 275 12" in - 4.29 - 24"xl9" out 4.08 - 275 DI - - - 27"xl9" in 6.92 4.62 240 2411 out - 4.23 - 276 DI w/12" out 7.23 4.98 277 277 YD w/12" in and out 6.91 4.91 278 278 ES 1211 - 4.73 269 279 B=4, D=3, Z=.5 - 5.23 278 280 1211 - 5.30 279 281 1811 - 5.02 279 282 1211 - 4.97 280 283 1811 - 4.96 281 284 Ditch Fades.Out - - 282/283 285 1811 - 284 14-8 TOPO SHEET NUMBER 14 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 286 18" half pipe 5.40 279 287 ES 1511 - 7.00 290 288 DI 11"xl8" 7.58� 5.43 279 289 DI llllxl8" 7.58� 5.48 288, 290 MH - - - 15" in 9.50 6.54 129 3011X19" in - - - 3011X19" out - - - 291 18" half pipe - 5.63 289 292 B=2, D=1.5, Z=1.67 - 4.25 305 293 B=l, D=1.5, Z=2 - 3.51 294 294 B=2, D=3.3, Z=2 - 2.61 295 295 1811 - 2.24 296 296 DI w/18" in and out 5.34 2.22 297 297 DI w/18" in and out 5.34 2.10 298 298 1811 - 2.08 299 299 B=2, D=3.7, Z=2 - 2.08 15-194 300 DI w/15" out 6.80 4.38 29 301 ES 15" - 5.12 42 302 DI w/15" in and out - 53 303 DI w/15" out 8.70 6.30 62 304 DI w/15" out 8.60 6.18 146 305 18 - 2.04 306 306 DI w/18" in and out 4.85 1.99 307 307 DI w/18" in and out 4.73 1.76 308 308 1811 - 1.71 15-189 309 3011 - 2.78 310 310 3011 - 2.91 22/23/24 311 B=3.5, D=l, Z=l - 6.00 114 312 1811 - 3.56 211 313 1811 - 3.63 312 314 D=l, Z=3 - 4.03 313 315 1811 - 5.74 316 316 B=l, D=2, Z=.75 - 5.01 317 317 B=1.5, D=2, Z=2.13 - 2.49 318 318 1511 - 2.21 226 319 YD - - - 15" in 8.41 5.66� 238 18" in and out - - - 320 15" into 60" - 1.50� 251 321 ES 21'1 - 3.39 259 322 EW w/18" - 4.45 9-3 323 YD w/18" out 6.23 4.53 322 324 YD w/18" out 7.23 4.88 237 325 1211 - 3.59 326 326 YD - - - 12" in 5.48 3.49 327 1811 out - 2.94 - 327 YD - - - 1811 in 3.10 0.92 252 18" out - 0.62 - 328 1811 - 285 14-9 TOPO SHEET NUMBER 14 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted- 329 1211 - 4.27 330 330 1211 - 4.22 250 331 1211 - 5.03 239 332 1511 - 3.19 333 333 DI w/15" in and out 4.65 1.74 334 334 DI w/15" in and out 5.01 1.70 15-203 335 12 - 7.00 336 336 1211 6.91 236 337 B=3, D=1.5, Z=2 - 4.50 1 5-17i, 338 YD w/12" in and out 6.25 4.26 339 339 YD w/12" in and out 6.25 3.85 340 340 1211 - 3.57 15-177 341 1511 2.48 246 14-10 POQUOSON DRAINAGE STUDY TOPO SHEET NUMBER 15 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted I EW w/24" - -0.08 Canal to Back River 2 EW w/24" - -0.08 Canal to Back River 3 EW w/24" - 0.62 1 4 EW w/24" - 0.52 2 5 B=11, D=4.5, Z=0.45 - 0.66 3and 4 6 B=9, D-3.5, Z=.6 - 1.16 5 7 B=7, D=1.5, Z=2.33 - 1.66 6 8 3611 - 1.31 7 9 3611 - 1.66 7 10 3611 - 1.78 8 11 3611 - 1.86 9 12 B=3, D=2.5, Z=.8 - 1.76 10 and 11 13 B=3, D=2.5, Z=-8 - 2.45 12 14 B=2, D=2, Z=l - 2.75 13 15 B=l, D=l, Z=l - 2.82 14 16 B=2.5, D=1.5, Z=1.2 - 3.02 15 17 1811 - 2.75 16 18 1811 - 2.71 17 19 B=2.5, D=1.75, Z=l - 2.97 18 20 B=2, D=l, Z=5 - 3.17 19 21 B=3.5, D=3, Z=.9 - 3.16 20 22 B=3, D=3, Z=.8 - 3.06 21 23 B=2, D=2.5, Z=l - 3.47 22 24 1811 - 2.47 23 25 1811 - 2.64 24 26 B=2, D=2, Z=.75 - 3.47 25 27 B=l, D=2.5, Z=1.2 - 3.47 25 28 B=1.5, D=2.5, Z=1.3 - 3.47 24 29 B=2, D=2, Z=1.5 - 4.07 25 30 B=l, D=1.5, Z=1.3 - 3.67 24 31 B=3, D=2, Z=.5 - 3.41 32 32 B=2, D=2.5, Z=l - 3.26 21 33 B=3, D=2.5, Z=.6 2.16 7 34 B=3, D=2.3, Z=1.1 2.16 6 35 B=2.5, D=.5, Z=5.5 - 3.06 34 36 EW w/36" 4.80 -1.15 Canal to Topping Creek 37 DI 5.00 - - 3611 out - -0.74 36 21 in - 1.72 36 38 DI 5.00 - - 21 out - 1.82 37 15" in - 2.01 37 39 DI w/15" out 5.27 2.28 38 40 36" Stub (Plugged) - - 37 41 EW w/24" 4.50 -0.11 Canal to Topping Creek 42 DI 5.00 - - 24" out - 0.11 41 1811 in 0.11 41 1211 in 0.88 41 15-1 TOPO SHEET NUMBER 15 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 43 MH w/18" in and out 5.47 0.49 42 44 DL 5.19 - - 1811 out - 0.93 43 1511 in 2.75 43 1211 in - 2.88 43 45 DI w/15" out 5.39 2.87 44 46 DI w/12" out 5.23 2.98 44 47 DI 12" out 5.00 1.00 42 48 B=@, D=3, Z=.33 - 1.5 Topping Creek 49 B=j, D=3, Z=l 2.5 48 50 1811 - 2.7 49 51 DI w/14"x23" in 5.42 2.71 50 1811 out - 2.71 - 1211 in - 2.71 - 52 DI-w/14"x23" out 5.42 2.81 51 1811 in - 2.81 - 1211 in - 2.81 - 53 1811 - 2.82 52 54 B=3, D=3, Z=1.67 - 3.00 53 55 B=2, D=l, Z=1.1 - 4.45 54 56 YD w/12" in and out 5.20 3.01 52 57 YD w/12" out 5.10 3.12 56 58 YD w/12" in and out 5.00 2.93 51 59 YD w/12" out 5.00 3.03 58 60 B=7, D=1.5, Z=1.67 - 0.83 Topping Creek 61 18!' - d.92 60 62 1811 - 2.10 61 63 B=4, D=1.5, Z=1.67 - 1.20 62 64 B=2, D=2, Z=l - 1.60 63 65 3011 - 1.73 64 66 3011 - 1.93 65 67 B=2, D=2, Z=l - 2.40 66 68 1811x24" CMP - 2.43 67 69 1811x24" CMP - 2.53 68 70 1511x2l" CMP - 2.93 69 71 15"x2l " CMP - 3.13 70 72 1 5"x2l " CMP - 3.61 71 73 15"x2l" CMP - 3.82 72 74 1511x2l" CMP - 2.83 67 75 1511x2l" CMP - 3.03 74 76 B=4, D=2, Z=l - 2.0 66 77 B=2, D=2, Z=1.5 - 2.9 76 78 1511 - 2.93 77 79 1511 - 3.53 78 80 B=2, D=2, Z=.75 - 1.11 Topping Creek 81 1.7' Paved Swale - 1.84 80 82 1.7' Paved Swale - 3.16 81 83 B=3, D=3, Z=l - 3.13 82 84 B=2, D=1.5, Z=1.67 - 3.63 83 85 1.7' Paved Swale - 1.84 80 86 6.3' Valley Gutter - 4.05 85 87 6.3' Valley Gutter - 4.12 86 88 1.7' Paved Swale - 4.42 87 89 B=2, D=2, Z=l - 2.21 Topping Creek 75-2 TOPO SHEET NUMBER 15 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 90 EW w/14"x23" 4.18 2.45 89 91 EW w/14"x23" 4.38 2.65 90 92 12 - 3.22 90 93 1211 - 3.42 92 94 B=8, D=1.5, Z=3 - 1.91 Topping Creek 95 B=2. 5, D=l .5, Z=l - 4.30 94 96 B=l, D=.5, Z=.5 - 4.60 95 97 1211 - 4.35 96 98 12' - 4.48 97 99 D=l, Z=1.5 - 3.83 115 100 1211 - 4.56 99 101 12'1 - 4.60 100 102 B=11, D=3, Z=1.5 - 0.00 Back River 103 B=5, D=3.5, Z=31 - 1.60 102 104 1211 - 1.92 103 105 1211 - 2.15 104 106 1811 - 1.57 103 107 18'1 - 1.65 106 108 B=2.5, D=2.5, Z=.9 - 2.2 107 109 1811 - 2.07 108 110 1811 - 2.78 109 ill B=2, D=2, Z=l - 2.3 110 112 18'1 - 2.25 111 113 1811 - 2.19 112 114 B=3, D=1.5, Z=.67 - 2.9 113 115 B=3, D=1.5, Z=.67 - 3.3 114 116 B=3, D=1.5, Z=.67 - 3.1 115 117 B=l, D=0.5, Z=l - 3.7 116 118 D=.7, Z=7 - 3.2 117 119 D=.3, Z=13 - 3.5 118 120 B=3, D=1.5, Z=.67 - 3.10 121 121 B=3, D=1.5, Z=.67 - 3.10 (sheet 10-155) 122 1211 - 4.49 123 123 1211 - 4.37 110 124 1511 - - Canal @ Cedar Landing 125 DI w/15" in and out - - 124 126 DI w/15" out - - 125 127 EW w/18" - -0.05 Canal to Back River 128 DI 3.65 - - 1811 out - 0.27 - 1511 in - 0.52 127 129 DI w/15" out - - 128 130 EW w/15" - -0.27 Canal to Back River 131 DI 3.77 - - 1511 out - -0.04 - 1211 in - 0.21 130 132 DI w/12".out - - 131 133 1511 - 2.00 Canal to Back River 134 DI w/15" in and out 4.71 2.03 133 135 DI w/15" out 4.71 2.13 134 136 B=2.5, D=3, Z=l - 1.63 Cedar Creek 137 B=2, D=2, Z=1.4 - 2.43 136 138 811 - 2.41 137 139 811 - 3.04 138 15-3 TOPO SHEET NUMBER 15 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 140 B=3.5, D=1.5, Z=2.2 - 1.82 Cedar Creek 141 B=3.5, D=2.5, Z=l - 2.52 140 142 1811 - 2.23 141 143 1811 - 2.22 142 144 B=2.5, D=2.5, Z=l - 2.32 143 145 B=3, D=2, Z=l - 3.29 144 146 B=2.5, D=2, Z=.l - 3.49 145 147 EW w/18" - 1.55 Canal to Cedar Creek 148 MH w/18" in and out 4.23 2.49 147 149 DI w/18" out 5.39 2.59 148 150 EW w/18" - 1.52 Canal to Cedar Creek 151 MH w/18" in and out 4.47 2.36 150 152 DI w/18" out 5.39 2.59 151 153 EW w/18" - 1.38 Canal to Cedar Creek 154 DI w/18" out 5.21 1.68 153 155 EW w/18" - 1.47 Cedar Creek 156 DI w/18" out 5.07 2.27 157 EW w/30" - 1.40 Canal to Cedar Creek 158 MH 4.33 - - 30 out - 1.59 - 24 in - 1.59 - 18" in - 1.59 - 18" in - 1.59 157 159 DI 5.53 - - 24 11 out - 1.98 - 1811 in 1.98 - 1211 in - 3.02 158 160 MH w/1811 in and out 6.13 2.35 159 161 DI It 5.45 - - 18 out - 2.94 - 12 It in - 2.94 160 162 DI w/l 2" out 5.45 3.15 161 163 DI w112" out 5.53 3.23 159 164 DI w/18" in and out 5.03 2.12 158 165 DI w18" in and out 5.06 2.33 164. 166 DI 5.47 - - 18 out - 2.62 - 12" in - 2.62 165 167 YD w112" out 4.23 2.94 166 168 DI 5.20 - - 1811 out - 2.00 - 1211 in - 2.69 158 169 DI w/12" out 5.20 2.90 168 170 DI w/15" in and out 5.23 2.42 196 171 DI w/15" in and out 5.27 2.63 170 172 DI w112" in 15" out 5.25 3.53 171 173 1211 - - 172 174 EW w/1511 - 0.17 196 175 DI w/15" in and out 5.00 0.61 174 176 DI w/15" out 5.00 0.73 175 177 2411 0.95 201 178 15" - 2.75 177 179 YD 6.25 - - 15" out - 3.01 - 12" in 3.01 178 15-4 TOPO SHEET NUMBER 15 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 180 1511 - 3.16 178 181 YD 6.25 - - 15" out - 3.43 - 1211 in - 3.43 180 182 D=2, Z=2 - 1.48 196 183 D=1.5, Z=2 - 4.40 182 184 DI 4.73 - - 18" out - 1.33 - 15" in 1.59 - 12 13 in - 1.33 - 185 DI w/12" out 4.73 1.73 184 186 DI w/15" out 4.73 1.73 184 187 DI 5.93 - - 1511 out - 3.08 - 1211 in - 3.08 Sheet 14-249 188 1211 - 3.38 187 189 B=2, D=1.5, Z=2 - 0.10 Cedar Creek 190 1511 - 1.93 189 191 DI w/15" in and out 5.18 1.42 190 192 DI w/15" out 5.07 2.46 191 193 B=2, D=.5, Z=2 - 4.25 194 194 B=2, D=1.5, Z=2 - 0.30 Cedar Creek 195 EW w/48"x76" 5.12 -0.52 Cedar Creek 196 EW w/48"x76" 5.66 -0.31 195 197 EW w/24" 5.12 -0.20 Cedar Creek 198 EW w/24" 5.66 0.45 197 - 199 EW w/18" 5.12 1.60 Cedar Creek 200 1811 - 2.27 199 201 24 to - 0.90 196 202 B=10, D=3, Z=l - 0.80 Cedar Creek 203 1811 - 1.29 202 204 1211 - 2.97 Cedar Creek 205 1211 - 2.81 204 206 15 It - 4.41 204 207 15'1 - 4.20 206 208 1211 - 4.87 204 209 1211 - 5.13 208 210 EW w112" 7.45 4.04 200 211 12'1 - 4.61 210 212 1211 - 4.09 198 213 12" - 4.23 212 214 12'1 - 2.89 31 215 1811 - - Canal to Topping Creek 216 DI - - - 1811 out - - - 15" in - - 215 217 DI w/15" out 216 218 EW w/18" - - 10-149 219 EW w/18" - - 218 15-5 POQUOSON DRAINAGE STUDY TOPO SHEET NUMBER 16 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted I B=4, D=3.5, Z=-86 0.13 Watts Creek 2 2411 0.52 1 3 24'1 0.54 2 11 4 24 0.36 1 5 2411 0.26 3 6 B=l, D=3, Z=1.27 1.04 5 7 B=4, D=3, Z=.42 - 6 8 B=2, D=2, Z=1.4 - 7 9 B=l, D=.8, Z=0.03 - 8 10 B=l, D=l, Z=1.5 - 9 11 B=3, D=2, Z=l - - 7 12 B=l, D=2, Z=.25 - - 11 13 B=2, D=2, Z=.25 - - 7 14 B=l, D=l, Z=.73 - - 13 15 DI w/l 5" out 3.71 1.93 16 16 DI w/15" in, 18" out 4.46 1.53 88 17 DI w1l 2" out 3.69 1.60 18 18 DI w/l 2" in, 15" out 2.98 1.05 16 19 DI w/15" out 3.70 1.86 20 20 DI w/15" in, 12" out 3.56 1.11 18 21 DI w/18" out 3.75 1.26 22 22 DI w/18" in 4 04 0.98 89 23 DI w/15" out 3.53 1.40 24 24 1511 - - 39 25 DI w/18" out 3.53 1.25 26 26 DI w/18" in and out 3.60 1.30 27 27 1811 - - 41 28 B=18, D=5.5, Z=.5 - - Canal to Big Salt Marsh 29 2411 - - 28 30 2411 - - 29 31 2411 - - 28 32 2411 - - 31 33 B=8, D=2.5, Z=.8 - - 30 and 32 34 2411x38" - - 33 35 2411x38" - - 34 36 B=7, D=2, Z=2 - - 35 37 B=152 D=31 Z=.8 - - 36 38 DI - - - 36" in and stub out 3.78 - 37 39 DI - - - stub in and 36" out 3.78 -0.27 38 40 B=6, D=22 Z-1.25 - - 39 41 B=6, D=2, Z=1.3 - - 40 42 B=4, D=1.5, Z=l - - 41 43 DI - - - 18" in and stub out 3.20 1.50 42 44 DI w/18" out 3.45 1.40 43 45 DI w/15" out 3.78 1.85 46 Rev. 7-20-92 16-1 TOPO SHEET NUMBER 16 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 46 15" - 1.73 41 47 YD w/15" out 3.05 1.05 48 48 YD - - - 2-15 in 2.39 0.39 49 1511 out - - - 49 EW w/15" - 0.23 35 50 DI w/15" out 3.73 0.73 49 51 B1=6, D=1.5, Z=.67 - - 41 52 B76, D=l .25, Z=l - - 51 53 EW w/18" - - 54 54 EW w/18" - - Marsh 55 EW w/15" - - 56 56 EW w/15" - - 57 57 B=l , D=l , Z=l .75 - - Long Creek 58 EW w/18" - - 59 59 EW w/18" - - 60 60 B=4, D=1.5, Z=1.67 - - Long Creek 61 1511 - - 62 62 1511 - - 63 63 B=6, D=1.5, Z=2 - - Marsh 64 B=4, D=1.5, Z=l - - Big Salt Marsh 65 1211 - - 64 66 MH w/12" in and out - - 65 67 12 - - 66 68 1211 - - 66 69 1211 - - 66 70 1811 1.98 70 71 1811 - 1.86 72 72 EW w/18" 5.05 3.00 73 73 EW w/18" 4.97 2.92 74 74 B=4, D=2, Z=2 - - 11-1 75 B=l, D=0.7, Z=2 - 3.39 74 76 B=l, D=0.6, Z=2 - 3.49 75 77 B=4, D=3.5, Z=1.5 - - Marsh at Watts Creek 78 B=2, D=2, Z=.5 - - 77 79 B=3, D=2.3, Z=.25 - - 78 80 B=l, D=.8, Z=O - - 78 81 B=2, D=1.7, Z=0.6 - - 78 82 1211 - - 83 83 1211 - - Watts Creek 84 B=8 - - Back River 85 B=2, D=1.7, Z=0.6 - - 84 86 B=4, D=3, Z=0.3 - - Watts Creek 87 B=2, D=.4, Z=1.25 - - 86 88 1811 - - Easton Cove 89 1511 - 0.88 28 Rev. 7-20-92 16-2 POQUOSON DRAINAGE STUDY TOPO SHEET NUMBER 17 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted I EW w/12"- - - 2 2 EW w/12" - - Canal to Front Cove 3 1211 - - 5 4 1211 - - 5 5 YD - - - 2-1211 in - - 6 1211 out - - - 6 12'1 - - Canal to Long Creek 17-1 POQUOSON DRAINAGE STUDY TOPO SHEET NUMBER 18 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 1 1211 6.08 3 2 1211 - 5.87 3 3 YD 7.58 6.02 4 4 MH w/18" in and out 7.33 4.67 5 5 DI w/19"x3O" out 6.81 4.32 6 1211 in - - - 1811 in - - 6. EW w/19"x3O 6.68 4.10 7 7 B=2, D=2, Z=l - 4.06 9 8 EW w/12" 5.64 3.89 9 9 B=4, D=2, Z=l - 3.69 11 10 EW w/14"x23" 5.65 3.48 11 11 B=5, D=2.5,Z=l - 3.15 13 12 EW w/15" 5.33 3.08 13 13 B=10, D=1.5�, Z=2 - 2.28 14 14 Trapezoidal Ditch - 1.94 15 15 4811 - -0.56 16 16 4811 - -0.82 Brick Kiln Creek 17 DI w112" out 6.82 4.41 5 18 DI w/12" out 6.66 4.27 19 19 DI w/12" in and out 6.66 4.17 8 20 EW w/19"00" (twin) 6.61 4.03 21 21 EW w/19"00" (twin) 6.49 3.91 9 22 DI w/12" out 6.06 3.79 23 23 DI w/14"x23" out 6.06 - - 1211 in - 3.69 10 24 EW w/19"00" (twin) 7.07 4.39 25 25 EW w/19"00" (twin) 6.81 4.23 11 26 DI w/12"out 6.93 3.42 27 27 DI 6.91 - - 1211 in - - - 15" out 3.34 12 28 B=2, D=l, Z=l - 5.77 33 29 EW w/15" 6.15 3.90 33 30 EW w/15" 5.59 3.34 33 31 DI w/15" out 6.10 3.60 30 32 DI w/15" out 6.41 4.11 29 33 B=6, Z=2, D=1.5� - 2.66 13 34 D=3, Z=l - 5.80 35 35 D=4, Z=.63 - 5.30 36 m 36 B=5, D=4, Z=l - 4.0 37 37 121, PVC - 3.04 38 38 121, PVC - 2.72 39 39 B=9, D=2, Z=3 - 2.70 40 40 Ditch - 3.60 15 41 Ditch - 2.11 15 42 B=3, D=2, Z=.5 - 2.66 41 43 B=2, D=4, Z=.38 - 3.56 42 18-1 TOPO SHEET NUMBER 18 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted- - 4.76 43 44 Ditch 45 Ditch - - 43 46 B=3, D=4, Z=.38 - - 40 47 B=2, D=3, Z=.33 - 4.90 46 48 B=3, D=3, Z=.17 - - 47 49 B=3, D=3, Z=O - - 48 50 B=2, D=.5, Z=1 - 6.02 51 51 B=2, D=.5, Z=l - 5.12 52 52 B=3, D=3, Z=.88 - 4.35 53 53 Ditch - 2.32 15 54 Ditch - 5.06 55 55 B=6, D=3, Z= - 4.26 56 56 3011 - -1.70 57 57 3011 - -0.27 Brick Kiln Creek 58 Ditch - - Brick Kiln Creek 59 B=4, D=3, Z=.83 - - 58 60 1511 CP - - 61 61 1511 CP - - 62 62 1511 CP - - 63 63 1511 CP - - Pond 64 B=6, D=6, Z=1 - 2.10 62/59 65 B=5, D=6, Z=1.1 - 2.37 64 66 B=6, D=7, Z=l - 2.59 65 67 B=4, D=6, Z=1.17 - 2.91 66 68 B=5, D=6.5 Z=1.08 - 3.08 67 69 B=4, D=5, Z=1.3 - 3.53 68 70 YD - - 71 71 1511 CP - - 72 72 1511 CP - - 73 73 B=2, D=2, Z=.5 - - 74 74 1211 CP - 5.03 69 1211 CP - 4.61 69 75 B=3, D=4.5, Z=.55 - - 69 76 B=2, D=4, Z=.25 - - 75 77 B=2, D=4, Z=.25 - - 76 78 D=.7, Z=l - 6.50 93 79 B=.5,D=.5, Z=l - - 77 80 15" CP - - 77 81 1511 CP - - 80 82 DI w/twin 12" CP - - 110 83 Twin 12" CP - - 82 84 1211 CP - - 86 85 1211 CP - - 86 86 EW w/twin 15" CP - - 87 87 EW w/twin 15" CP - - 73 88 B=4, D=l, Z=O - 2.89 Brick Kiln Creek 89 1511 CP - 2.40 88 90 15" CP - 2.21 89 91 End Pipe - 3.7� 90 92 End Pipe 3.7� 91 93 B=l, D=2, Z=.5 - 4.39 90 94 DI 6.34 - - 2-12" in - - - 1211 out 3.61 95 18-2 TOPO SHEET NUMBER 18 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 95 DI 5.86 - - 2-1211 in - 2.20 96 1211 out 96 1811 - 1.@8 -@rick Kiln Creek 97 DI w/12" out 5.02 3.85 95 98 DI w/8" in 4.66 3.96 97 99 DI 4.55 - - 601 in - 4.65 - 81' out - 4.16 98 100 DI w112" in and out 4.78 3.00 Brick Kiln Creek 101 1211 - 5.14 102 102 1211 - 4.76 103 103 1211 - 3.64 104 104 1211 - 2.81 Brick Kiln Creek 105 15" CP - 2.90 41 106 2.5' Concrete Swale - 6.36 41 107 1511 - 6.29 49 108 unknown - - 107 109 1211 - 3.70 94 110 DI - - - 1211 in - 2-1211 out - YD 2-12 in - 1511 out - - 112 112 1511 - - 81 113 DI w/2-12" out - - 114 114 DI - - - 2-1211 in - - - 2-1211 out - - 74 115 12" CMP - 5.72 unknown 116 unknown - - unknown 117 D=2, Z=.9 - 5.93 118 118 D=2.9, Z=.6 - 4.43 119 119 2411 - 4.03 120 120 24'1 - 3.46 121 121 D=I, Z=2.5 - 2.00 Oxford Run 122 1211 - 6.11 93 123 1211 - 6.27 122 18-3 POQUOSON DRAINAGE STUDY TOPO SHEET NUMBER 20 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted I DI w/15" out - - 2 2 DI - - - 15" in and out stub - - Fore Landing Creek 3 DI w/18" o.ut - - 4 4 18 - - Fore Landing Creek 5 DI w/15" Out - - 6 6 1511 - - Fore Landing Creek 20-1 POQUOSON DRAINAGE STUDY TOPO SHEET NUMBER 21 NUMBER DESCRIPTION TOP INVERT DOWNSTREAM NUMBER All pipes are RCP unless otherwise noted 1 1511 - 2 2 15 Is - - Front Cove 3 18'1 - 4 4 1811 - Front Cove 21-1 JUL 1'qg2 UPDA TE IN VEN TOP OF STPUCTUPES 9 I/VPPO VEMEN TS CITY COUNCIL L., CORNELL SUPCHEP ............................ ... MA YOR GORDON C. HEL SEL, JP ............ ............. CO*UNCILMAN L. HAROLD OUINN. /P ........................... COUNCILMAN C. K. DOP ENGINEEPS, INC. ,JAMES T. HOLLOWAY, /P ......* ...*... 7 ......... COUNCILMAN W. CROSBY FORREST, III ........................ CO UNCILMAN 115 JEF-F-EPSON A VENUE ROGER N. MESSIER ................................ COUNCILMAN NEWPOP T NEWS, V-TPGINIA SELVIN )-. WARD, /P ........................... COUNCILMAN ROBERT M. MURPHY ........................... CITY MANAGER MA S TER DlqA INA GE s TUD@' cl T OF I-l00U05,,'0N VIRGINI-A T COVER SAIFFT 73 NWOEX or SMEE -IPa4rF NVENM SMEcrzows a sm ---74, r PAY N 7. %, - I. . . . . r Y " Nt '454 91 ell j 4-.t, FIZj , R, :I; -;T fu J mwirs Pffloffgrr L @w ow ffA;Nr- or- wAr ?E-Norcs usbww if ZEROrESR,EsOvmci-PROTErMWA,vL@A(ffm4 - AFSOUNCE AUMWEMENrAWA (SMA) SOLVIONKS VENOMS L 1MrS Of EWS17W WA7rR&ITDS 19 22 At SCAt E 1 24 00 15: A@ -f010 L MOTE: ALL PROPERTY LINES p I I SHOWN ARE A P MA I LOCATION Rol ONLY. BASED ON THE 985 TAX 0 R Q@) 2. PPA z: .2 Z-1 </ 04 0 RM -A J tit, 4 I/r @@R PA RMA J (TI-4 @1@ PEVISIONS 'SCALED QNt EL(M. '2.0 - ----- - ----- SCALE 0 WE 0 El- K. OL --T( 0I- Al s,K,t DAIE BLOCK 40 TE@ SIPEAV.U-NAGE NOTE: ALL PROPERTY LIVES SHOW ARE A PR XI TE LOCATION IE a TAX ONLY. ILASEDPONO HKA19 5 +41T# MAPS. 30400ON -,05006N MATCH SHEET 2 306000 N 3070DON 'OODN 60 7 r C17-J, O@ 1 0 0 Qz e-, TC, j.EE7 =-'m MAW 30000ON 30.00ON MATCM SHEET "IN str 0 1-z c I it .00, it it It OLO fz%7 -o 17 :'@t .1 7 ki <71 M 52 AC 4. Zlz= I;z Ila It 0, L-A V 0 it, It 10 ol % it Hr I -N it ` X, Ilk it it L it :j it -I ZI,- 161 if' L it. If :911 z A4 0 0' 0 C/7.), it. a C:q, 'o w. 5_44 C) C) Q) r1l It @4 MATCA 1HEET -7- MATCH SHEET 4 MNN o C3 t2 1 lq)@ --u 0 o -n Li A. eA \-N N, oe I., p r1l L ZL o) e o 1A v < <1 ,--7--; -7 pty ol 71, vi Qz A SS. 7@ FTI C) J) 4 c, A ? L oz C@ w I 110 7 0A 13 Z_, w C? ri T@PA @j RPA ,1 -4 .4 Ij z 0 t RMA A RMA." 1/0 rAV\ RP @Wk Al, A. F 1 2400 'All -0( 0-- .0 NOTE: ALL PROPERTY LINTS RUMPATE LOCATIO" SHOWN ARE APOK VfE 985 TAX ONLY, BASCO KAPS. x@ RPA 1 240f) @(@'S@ONS 45CALED CNO, LEGEND SCAL E DATE E@El 0 400 ATE -D -0... ,TEM AD eLoc. ND @P'A 5-PEWALI L '-55 NOTE: ALL PROPERTY LIKES SHOWN ARE APPROXIKA E LOCATION VE 11.1.11 ONLY, BASED ON Till 1985 TAX MAPS. 0 0 -05 RPA C.: 0 V, 4. 0 0 0 CTT-, t 0 0 01 SCALE 124no C -A, 1.o a, cc... S-1 -1-1. NOTE: ALL PROPERTY LINES . .... 0 OCATIOlf S"OW ARE APPR X1lV%,TE,L ONLY, FLASEO ON THE 9 5 IAX @E--L. 0-IL-TAL P@ MAPS. C, j Ic lz r-.t. RPA, cL R Jat ly@ of 171 t u TEU 67, 01A - 0 RM, It Z191T RMA "o Uw) Li 'k, LAKE IX, 01@ to 0 I E._.LWI SCALE I 24GO .00 so Lc. [email protected] s-, NOTE: ALL PROPERTY LINES SHOWN ARE APPROJIMA IC LOCAITUIll Orm. BASED ONII(E Igo 5 IAX 'ER-AL.-IMI'L . ...... MAPS. RPA No ;iA 7;u ztz p ol __z 'j Lj RPA Ns VJ RMA C=l 71 I 7j 7A Z@ RMA r X, it g t-J 0 J. ILLY, -y-15 @,R A 0 ..x IN SCAt E 2.1)(3 lot NOTE-. ALL PROPERTY LINES SIJOWN ARE APPROXIMTEBLOCA [ON ONLY, BASED ON THE 19 5 TA MA S. IX RPA J a lx. L Q ff oo'-o lb In @A RM RPA IL it "A SCALE I 24on NOTE: ALL PROPERTY LINES SHOW Ift. APP OXIMAIE LOCATION R ONLY, BASED ON THE 19RS IAX L@A MAPS. t )RP4 SCALE 1 :1400 L E-- El NOTE: ALL PROPERTY LINES stlow" ARE APPROXIMATE LOCATION ONLY, fIASED ON THE 1985 TAX K4Ps. .29300ON MATCH SHEET 29400OP4 29500ON r 0 . .... ..... P v 01. 0 01 ;oi Qzz IZ) r :z C) z C/) DO goo -;d3 li ri@ zi JL@l 292 000 N 29300 ON MATCM SHEET 13 294 000 N N Z91,000 L-T. 7-- -- - -------- "Al ILII lilt 11 CO 2 75/ r@jp @j (01 0@! Lj, L I LL IN, I Al C17-i> ;Ae 'A 0 a I, W06 -A -@I@ r (Zl 0 Zt *Vol Q - - ------- J@'_ 0 op, k -7 17k kMA _7_17 C a) C03 Aft it 61 Ll,III Ll 1% a 01 ta @L @Z N,. J1 1@ j -L@1!1'14', (SL-LEII 114, 1) LEGF, 1, SCALE I 24GO WOOPED AREA DAII__ G1)ARj1R- S- E11-1-1 NOTE: ALL PROPERTY LINES SHOWN ARE APPROXIMIE LOCATtOW MAPS. MARSH At .0, ONLY. BASED ON THE 1985 TAX 5 p Pgx % S'W RPA LLCJV IK Lai C3 7 R A ic ,Z V r C3 @iRPA C23 \Ico (31 0 so RMA RM A A sj R @A-, J, RE VISIONS 4S('4L ED OPJL N) LEGEUD SCALE 1 2 460 NOTE: ALL PROPERTY LINES SIIOWN ARE APPROXIKATE MATfOll --21. Al ONLY, BASED ON ME 1985 TAX HAPS. 00 RPA 39 0 c o lo all + @,w it V RPA . .......... .. . ... ............. Ur RLV-Si(-t45 lSf.ALF(, ON,,) IC-F NO SCALE I 24GO RALE_ 2@E 11 o NOIE: ALL PROPERTY I ItIES 511OWN ARE APPROMIAIE LOCATION ONLY BASED ON VIE 19115 TAX Tll MAPS.' les 00ON 289 00ON MATCH SMEtT 290 00014 291 ocom 2@2 .COON 0 oi 0, LLL 0 0 to -Zf I ry r r-J ol % K- T- IT IN u I j ;j J@\ 0--l;\\w 0, Nr- 7 4. CL 7:z cup .0 Do 0 -- - - ------- --- 70 cz: rz) 'El @ @T3 Gr4 -ZD .3t,41 -A -4. .29800ON 289 GOO PJ MATCH SHEET 18 019D 0 /1 1-1 lo; 0 z A'c 7@ -'Z -'z z .7' xzl$ '01 > --,331 0 44 1 7c- tE MATCH SHEET2U @MA 3 0 P" RP@-; L o OAK ISLAND 0 rl 00 a - - L7n 11-7 ff J@: 0, RMA TZI o -7 0 NOPTHWE .ST e3 r N m t 0 o ----- - 0 RPA 0 10 0 REVISIONS (SCALED ONLvI _LEIENE, SCAI E 12460 D-11 -.c.1- A .. .... TF RPAD DAII --w NOTE: ALL PROPERtY LINES A PR XIMTE I.OCAI I OATC snowN ARE p 0 ON ONLY BASED ON HE 9RS TAX L@APSI KA -S: + IDX' RPA cl .15 cs --A 0 0 t IDA C@z 0 0 i FGENV SCALE 1 2400 0 loo -------------- NOTE: ALL PROPERTY LINES SIfOWN ARE APPROXTPATE,LfICAT ION I X J-j AP-M All."""' ONLY, BASED ON 7 E. 9 5 TA NAPS. QL-D, cl, IFK z 0 0 0 x .0 0 E, 0 0 "I t I SCALE 1 2400 _V11,0115 ll.@IALEO ONI-11 ------- AIIt -o. ,!LcEt-,@ wOnrED AREA it- -VEWA@ P-1- -R SIVEWAL- I-M ElE-1- -s 140TE: ALL PROPERTY LINES SHOWN ARE APPROXIMATE LOCATION OULY BASED 04 ME 1985 TAX IAR 1- :4 VEQ-AL.-R,70NfAL IM0,% VAPS: 'IF RPA 0 0 -@A -7 Ix 0 0 0 SCALF 1 2400 200 1. 0 1., AIE I .0. 5. 25 ploc. @o 51- '1 WE: ALL PROPERTY LIKES SHOWN ARE APPROXIKATE LKATION ONLY, BASED Off THE 1995 TAX p jl MAPS. 7L ilTE. I 1111011101110 1 @ .-1 366681 5248 -r -66681 -103 --- I @ "I @ I @ I @ 11 I 'I I I I I I I I I I I I @