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Table 6 presents the design of another series of 20 pipes on steep ground with the same elevation change and material ( and PVC pipes). In this case, the invert elevation for the first pipe is .

Table 6

Design of a series of 20 pipes on steep ground using PVC pipes and

PipeInvert elevation downstream []s [-]d [m] [-] [ [] [-] []Cost [$USD]
159.090 0.006 0.200 0.592 1.269 3.037 1.290 0.025 $1,101.43 
158.750 0.003 0.250 0.665 1.039 2.004 0.865 0.036 $786.04 
158.540 0.001 0.380 0.593 0.757 1.053 0.558 0.053 $2,000.02 
158.340 0.001 0.400 0.700 0.809 1.162 0.511 0.076 $2,201.37 
158.170 0.001 0.400 0.698 0.967 1.605 0.611 0.091 $1,324.04 
157.920 0.002 0.400 0.696 1.104 2.043 0.700 0.103 $1,708.28 
157.750 0.001 0.500 0.685 1.155 2.132 0.664 0.165 $1,589.85 
157.550 0.001 0.500 0.698 1.161 2.150 0.656 0.170 $1,921.49 
157.350 0.001 0.600 0.687 1.154 2.062 0.604 0.239 $3,009.95 
10 157.160 0.001 0.700 0.823 1.250 2.309 0.501 0.423 $3,623.76 
11 157.040 0.001 0.700 0.824 1.183 2.089 0.473 0.402 $2,371.92 
12 156.870 0.001 0.700 0.820 1.412 2.888 0.569 0.477 $2,570.03 
13 156.660 0.002 0.700 0.834 1.500 3.223 0.590 0.514 $2,899.48 
14 156.330 0.002 0.700 0.840 1.571 3.512 0.611 0.543 $3,964.27 
15 156.200 0.001 0.800 0.799 1.378 2.697 0.537 0.593 $2,073.76 
16 155.990 0.001 0.800 0.836 1.402 2.783 0.514 0.629 $3,610.05 
17 155.820 0.001 0.800 0.819 1.552 3.355 0.586 0.684 $2,259.08 
18 155.510 0.002 0.800 0.844 1.613 3.603 0.584 0.730 $4,645.76 
19 155.120 0.002 0.800 0.842 1.878 4.766 0.681 0.849 $4,712.47 
20 154.660 0.002 0.800 0.796 2.029 5.489 0.794 0.870 $5,365.77 
Total          $53,738.83 
PipeInvert elevation downstream []s [-]d [m] [-] [ [] [-] []Cost [$USD]
159.090 0.006 0.200 0.592 1.269 3.037 1.290 0.025 $1,101.43 
158.750 0.003 0.250 0.665 1.039 2.004 0.865 0.036 $786.04 
158.540 0.001 0.380 0.593 0.757 1.053 0.558 0.053 $2,000.02 
158.340 0.001 0.400 0.700 0.809 1.162 0.511 0.076 $2,201.37 
158.170 0.001 0.400 0.698 0.967 1.605 0.611 0.091 $1,324.04 
157.920 0.002 0.400 0.696 1.104 2.043 0.700 0.103 $1,708.28 
157.750 0.001 0.500 0.685 1.155 2.132 0.664 0.165 $1,589.85 
157.550 0.001 0.500 0.698 1.161 2.150 0.656 0.170 $1,921.49 
157.350 0.001 0.600 0.687 1.154 2.062 0.604 0.239 $3,009.95 
10 157.160 0.001 0.700 0.823 1.250 2.309 0.501 0.423 $3,623.76 
11 157.040 0.001 0.700 0.824 1.183 2.089 0.473 0.402 $2,371.92 
12 156.870 0.001 0.700 0.820 1.412 2.888 0.569 0.477 $2,570.03 
13 156.660 0.002 0.700 0.834 1.500 3.223 0.590 0.514 $2,899.48 
14 156.330 0.002 0.700 0.840 1.571 3.512 0.611 0.543 $3,964.27 
15 156.200 0.001 0.800 0.799 1.378 2.697 0.537 0.593 $2,073.76 
16 155.990 0.001 0.800 0.836 1.402 2.783 0.514 0.629 $3,610.05 
17 155.820 0.001 0.800 0.819 1.552 3.355 0.586 0.684 $2,259.08 
18 155.510 0.002 0.800 0.844 1.613 3.603 0.584 0.730 $4,645.76 
19 155.120 0.002 0.800 0.842 1.878 4.766 0.681 0.849 $4,712.47 
20 154.660 0.002 0.800 0.796 2.029 5.489 0.794 0.870 $5,365.77 
Total          $53,738.83 

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