Storm Water Network Design

ENG. Yousef J. Abu Hajar

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StromWater network design0.18 Cross section slope 2.50% longitude slope 2.50% Width of one Side of road (m) 4 General information Required Data Can be change

Pipe no.Manholes

Length (m) Inlet No. Tc (min.)Ground level (m)

Ground Slope Pipe Slope Check velocityInverted level (m) Manholes Manhole Excavation

Road Length (m) No. of inletsFrom To Increment Cumulative From To From To No. depth (m) diameter (m) depth (m)

1 1 2 30 14300 14300

1

10.00 2.20E-05 0.2205 21.6 21.5 0.33% 0.50% 465 0 0 0.000 ### #DIV/0! #DIV/0! 0.000 ### #DIV/0! 20.6 20.45 1 1.000 1 1.200

310.5 0.288 405 304 1.80 10

2 2 3 30 0 14300 #DIV/0! #DIV/0! #DIV/0! 21.5 20.6 3.00% 0.50% #DIV/0! 0 0 0.000 ### #DIV/0! #DIV/0! 0.000 ### #DIV/0! 20.4425 20.2925 2 1.057 1 1.2573 3 4 30 0 14300 #DIV/0! #DIV/0! #DIV/0! 20.6 18.5 7.00% 0.50% #DIV/0! 0 0 0.000 ### #DIV/0! #DIV/0! 0.000 ### #DIV/0! 20.285 20.135 3 0.315 1 0.5154 4 5 30 0 14300 #DIV/0! #DIV/0! #DIV/0! 18.5 16.3 7.33% 0.50% #DIV/0! 0 0 0.000 ### #DIV/0! #DIV/0! 0.000 ### #DIV/0! 20.1275 19.9775 4 -1.628 1 -1.4285 5 6 30 0 14300 #DIV/0! #DIV/0! #DIV/0! 16.3 14.6 5.67% 0.50% #DIV/0! 0 0 0.000 ### #DIV/0! #DIV/0! 0.000 ### #DIV/0! 19.97 19.82 5 -3.670 1 -3.4706 6 7 30 0 14300 #DIV/0! #DIV/0! #DIV/0! 14.6 13.6 3.33% 0.50% #DIV/0! 0 0 0.000 ### #DIV/0! #DIV/0! 0.000 ### #DIV/0! 19.8125 19.6625 6 -5.213 1 -5.0137 7 8 30 0 14300 #DIV/0! #DIV/0! #DIV/0! 13.5 13 1.67% 0.50% #DIV/0! 0 0 0.000 ### #DIV/0! #DIV/0! 0.000 ### #DIV/0! 19.655 19.505 7 -6.155 1 -5.9558 8 9 30 0 14300 #DIV/0! #DIV/0! #DIV/0! 12.5 12 1.67% 0.50% #DIV/0! 0 0 0.000 ### #DIV/0! #DIV/0! 0.000 ### #DIV/0! 19.4975 19.3475 8 -6.998 1 -6.79759 9 10 30 0 14300 #DIV/0! #DIV/0! #DIV/0! 13 11.5 5.00% 0.50% #DIV/0! 0 0 0.000 ### #DIV/0! #DIV/0! 0.000 ### #DIV/0! 19.34 19.19 9 -6.340 1 -6.1410 10 11 40.5 0 14300 #DIV/0! #DIV/0! #DIV/0! 11 10 2.47% 0.50% #DIV/0! 0 0 0.000 ### #DIV/0! #DIV/0! 0.000 ### #DIV/0! 19.1825 18.98 10 -8.183 1 -7.9825

Area of one inlet (m2)

Catchment Area (m2) Intensity (m/sec) Q(p) (m3/s) Dcal (mm) Dcom (inch) Dcom (mm) Qf (m3/s) Qp/Qf d/D Vp/Vf Vf (m/s) Vp (m/s) Q(gutter) (m3/s) Dmax (m) Duse (m) Area of inlets (m2)

Result for Pipes Result for Manholes Result for Inlets

No. Pipe Slope No. depth (m) Diameter (m)Excavation

Distance between inlets (m) Group No. No. of inletsdepth (m)

1 0.50% 0 1 1 1 1.2 304 1 10

2 0.50% 0 2 1.0575 1 1.2575

3 0.50% 0 3 0.315 1 0.515

4 0.50% 0 4 -1.6275 1 -1.4275

5 0.50% 0 5 -3.67 1 -3.47

6 0.50% 0 6 -5.2125 1 -5.0125

7 0.50% 0 7 -6.155 1 -5.955

8 0.50% 0 8 -6.9975 1 -6.7975

9 0.50% 0 9 -6.34 1 -6.14

10 0.50% 0 10 -8.1825 1 -7.9825

Diameter (inch)

d/D Rp/Rf Ap/Af v/V q/Q (v/V)cal (q/Q) cal (d/D) from (q/Q) Duration (min) Intensity (mm/hr)0.010 22.956682 0.0265421 0.0016926 0.089 0.000 0.094521 -0.002871 0.0330218560435 10 750.025 36.389745 0.0658867 0.00666 0.163 0.001 0.158378 0.00074 0.0356306451583 20 550.050 51.683866 0.1302049 0.018693 0.257 0.005 0.252105 0.006906 0.0457770443381 30 420.075 63.576661 0.1929409 0.0340737 0.334 0.011 0.332669 0.014111 0.0629298356636 40 330.100 73.739795 0.2540805 0.052044 0.401 0.021 0.402733 0.023123 0.0860055971388 50 300.125 82.819244 0.3136089 0.0721468 0.462 0.033 0.464486 0.034493 0.1133829137693 60 280.150 91.145992 0.3715103 0.0940602 0.517 0.049 0.519707 0.048591 0.1432184026306 70 250.175 98.916796 0.4277683 0.1175374 0.568 0.067 0.569813 0.065629 0.1737394587797 80 210.200 106.2602 0.4823655 0.1423785 0.615 0.088 0.615904 0.085689 0.2034908760843 90 200.225 113.26597 0.5352836 0.1684151 0.659 0.111 0.658817 0.108747 0.2315055044311 100 190.250 120 0.5865033 0.1955011 0.701 0.137 0.69916 0.134694 0.2573792844583 110 180.275 126.51263 0.636004 0.2235071 0.740 0.165 0.737356 0.163356 0.2812465911235 120 17.50.300 132.84364 0.6837639 0.2523158 0.776 0.196 0.773677 0.194513 0.3036680299165 130 170.325 139.02537 0.7297597 0.2818197 0.811 0.228 0.808276 0.227912 0.3254564685330.350 145.08479 0.7739666 0.3119188 0.843 0.263 0.841219 0.263283 0.34747591946160.375 151.04498 0.816358 0.3425188 0.873 0.299 0.872508 0.30035 0.37045065871880.400 156.92608 0.8569054 0.37353 0.902 0.337 0.902104 0.33884 0.39481844052480.425 162.74615 0.8955781 0.4048664 0.929 0.376 0.92995 0.378492 0.42065259637640.450 168.52166 0.9323427 0.4364443 0.954 0.417 0.955983 0.419062 0.44766476844030.475 174.26803 0.9671632 0.4681823 0.978 0.458 0.980152 0.460324 0.47528518103840.500 180 1 0.5 1.000 0.500 1.002422 0.502075 0.5028031250.525 185.73197 1.0308101 0.5318177 1.020 0.543 1.022786 0.544134 0.52953906145340.550 191.47834 1.0595457 0.5635557 1.039 0.586 1.041267 0.586337 0.55501336945080.575 197.25385 1.0861543 0.5951336 1.057 0.629 1.057916 0.628535 0.57907648286170.600 203.07392 1.1105768 0.62647 1.072 0.672 1.072812 0.670585 0.60197128807190.625 208.95502 1.1327472 0.6574812 1.087 0.714 1.086052 0.712343 0.62431047388150.650 214.91521 1.1525905 0.6880812 1.099 0.756 1.097749 0.753655 0.64696734372260.667 219.02348 1.1647113 0.7086087 1.107 0.784 1.104876 0.7814 0.6630454868720.675 220.97463 1.1700207 0.7181803 1.110 0.797 1.108009 0.794338 0.67089590256160.700 227.15636 1.1849385 0.7476842 1.120 0.837 1.116924 0.834172 0.69691177075420.725 233.48737 1.1972273 0.7764929 1.128 0.875 1.124548 0.872881 0.72547647523090.750 240 1.2067483 0.8044989 1.133 0.912 1.130876 0.910111 0.75653108123620.775 246.73403 1.2133332 0.8315849 1.138 0.946 1.135818 0.945414 0.78941894250450.800 253.7398 1.216773 0.8576215 1.140 0.977 1.139173 0.978221 0.8229208366290.810 256.63227 1.2172113 0.8677103 1.140 0.989 1.139998 0.990491 0.8361360989640.820 259.58364 1.2170843 0.8775977 1.140 1.000 1.140486 1.002198 0.8490730220650.830 262.59975 1.2163694 0.887273 1.139 1.011 1.1406 1.013282 0.8616121136330.840 265.68729 1.2150406 0.8967245 1.139 1.021 1.140302 1.023682 0.87363371261640.850 268.85401 1.2130685 0.9059398 1.137 1.030 1.139545 1.03333 0.88502010305810.860 272.10896 1.2104193 0.9149054 1.136 1.039 1.138277 1.042153 0.89565711881570.870 275.46283 1.2070535 0.9236066 1.134 1.047 1.136438 1.050071 0.90543500578370.880 278.9284 1.2029249 0.9320276 1.131 1.054 1.133963 1.057 0.91424827649840.890 282.52115 1.1979783 0.9401506 1.128 1.060 1.130778 1.062846 0.92199424706280.900 286.2602 1.1921467 0.947956 1.124 1.066 1.126801 1.06751 0.92856987338480.910 290.16959 1.1853474 0.9554216 1.120 1.070 1.121941 1.070887 0.93386637268850.920 294.28024 1.177476 0.962522 1.115 1.073 1.116101 1.072863 0.9377608635880.930 298.63317 1.1683967 0.9692278 1.109 1.075 1.109169 1.073315 0.94010374149570.940 303.28473 1.1579262 0.9755037 1.103 1.076 1.101028 1.072113 0.9406993821730.950 308.31613 1.1458061 0.981307 1.095 1.075 1.091548 1.069117 0.93927511872340.960 313.85216 1.131647 0.9865829 1.086 1.071 1.080587 1.06418 0.93542648748510.970 320.10311 1.1148067 0.9912586 1.075 1.066 1.067994 1.057143 0.92850543965030.980 327.47959 1.0940584 0.9952272 1.062 1.057 1.053602 1.047838 0.91733553802670.990 337.04332 1.0663041 0.9983074 1.044 1.042 1.037235 1.036087 0.89915015360751.000 360 1 1 1.000 1.000 1.0187 1.0217 0.8486

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 0.000

0.200

0.400

0.600

0.800

1.000

1.200

f(x) = − 18.3794 x⁶ + 56.7291 x⁵ − 69.7025 x⁴ + 43.6039 x³ − 16.059 x² + 4.77841 x + 0.0483363f(x) = − 11.5676 x⁶ + 31.6279 x⁵ − 33.68 x⁴ + 15.3782 x³ − 0.992199 x² + 0.261266 x

− 0.00540116

Partial Flow Curves

Column FPolynomial (Column F)

d/D

(v

/V),

(q/Q

)

-0.1

-0

.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

0.000

0.100

0.200

0.300

0.400

0.500

0.600

0.700

0.800

0.900

1.000

f(x) = − 10.279 x⁶ + 37.3981 x⁵ − 52.0864 x⁴ + 35.4319 x³ − 12.4525 x² + 2.80298 x + 0.0325683

Partial Flow Curves

Column A

(v/V), (q/Q)

d/D 0.0 20.0 40.0 60.0 80.0 100.0 120.0 140.0

0

10

20

30

40

50

60

70

80f(x) = 323.868687479079 x^-0.610882530991416

rainfall intensity Curve

Duration (min)

Inte

nsity

(mm

/hr)

θ