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Table 5 presents the design of a series of 20 pipes on flat ground using PVC pipes and . The downstream invert elevation of each pipe determines the upstream invert elevation for the next pipe. For the first pipe, the upstream invert elevation corresponds to the ground elevation minus the minimum depth ) and the pipe diameter. In this case, the invert elevation of the first pipe is 159.17 m.

Table 5

Design of a series of 20 pipes on flat ground using PCV pipes and

PipeInvert elevation downstream [] [-] [] [-] [ [] [-] []Cost [$USD]
158.873 0.002 0.250 0.628 0.757 1.137 0.659 0.025 $1,395.84 
158.720 0.001 0.350 0.497 0.753 1.081 0.651 0.036 $1,182.84 
158.507 0.001 0.350 0.700 0.757 1.056 0.511 0.054 $2,384.75 
158.301 0.001 0.400 0.690 0.822 1.195 0.525 0.076 $2,678.61 
158.130 0.001 0.400 0.697 0.968 1.608 0.612 0.091 $1,522.13 
157.893 0.002 0.500 0.689 1.237 2.416 0.707 0.179 $2,233.80 
157.717 0.002 0.500 0.695 1.179 2.212 0.669 0.172 $1,914.00 
157.532 0.001 0.530 0.689 1.154 2.108 0.641 0.187 $2,675.43 
157.334 0.001 0.600 0.691 1.148 2.040 0.598 0.239 $4,234.47 
10 157.147 0.001 0.700 0.841 1.239 2.271 0.482 0.428 $5,224.04 
11 157.024 0.001 0.700 0.807 1.200 2.142 0.494 0.399 $3,352.66 
12 156.913 0.001 0.800 0.813 1.217 2.147 0.464 0.532 $3,936.57 
13 156.797 0.001 0.800 0.807 1.184 2.042 0.456 0.514 $4,656.99 
14 156.627 0.001 0.800 0.850 1.192 2.068 0.426 0.543 $7,808.37 
15 156.539 0.001 0.900 0.841 1.197 2.043 0.411 0.683 $4,508.99 
16 156.396 0.001 0.900 0.818 1.226 2.133 0.437 0.683 $8,163.22 
17 156.303 0.001 0.900 0.833 1.208 2.078 0.420 0.684 $5,057.06 
18 156.122 0.001 0.900 0.827 1.298 2.369 0.456 0.730 $10,080.24 
19 155.897 0.001 0.900 0.831 1.502 3.098 0.524 0.849 $10,096.17 
20 155.654 0.001 0.900 0.828 1.545 3.263 0.542 0.870 $10,986.96 
Total          $94,093.14 
PipeInvert elevation downstream [] [-] [] [-] [ [] [-] []Cost [$USD]
158.873 0.002 0.250 0.628 0.757 1.137 0.659 0.025 $1,395.84 
158.720 0.001 0.350 0.497 0.753 1.081 0.651 0.036 $1,182.84 
158.507 0.001 0.350 0.700 0.757 1.056 0.511 0.054 $2,384.75 
158.301 0.001 0.400 0.690 0.822 1.195 0.525 0.076 $2,678.61 
158.130 0.001 0.400 0.697 0.968 1.608 0.612 0.091 $1,522.13 
157.893 0.002 0.500 0.689 1.237 2.416 0.707 0.179 $2,233.80 
157.717 0.002 0.500 0.695 1.179 2.212 0.669 0.172 $1,914.00 
157.532 0.001 0.530 0.689 1.154 2.108 0.641 0.187 $2,675.43 
157.334 0.001 0.600 0.691 1.148 2.040 0.598 0.239 $4,234.47 
10 157.147 0.001 0.700 0.841 1.239 2.271 0.482 0.428 $5,224.04 
11 157.024 0.001 0.700 0.807 1.200 2.142 0.494 0.399 $3,352.66 
12 156.913 0.001 0.800 0.813 1.217 2.147 0.464 0.532 $3,936.57 
13 156.797 0.001 0.800 0.807 1.184 2.042 0.456 0.514 $4,656.99 
14 156.627 0.001 0.800 0.850 1.192 2.068 0.426 0.543 $7,808.37 
15 156.539 0.001 0.900 0.841 1.197 2.043 0.411 0.683 $4,508.99 
16 156.396 0.001 0.900 0.818 1.226 2.133 0.437 0.683 $8,163.22 
17 156.303 0.001 0.900 0.833 1.208 2.078 0.420 0.684 $5,057.06 
18 156.122 0.001 0.900 0.827 1.298 2.369 0.456 0.730 $10,080.24 
19 155.897 0.001 0.900 0.831 1.502 3.098 0.524 0.849 $10,096.17 
20 155.654 0.001 0.900 0.828 1.545 3.263 0.542 0.870 $10,986.96 
Total          $94,093.14 

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