Storm sewer system is to be provided to drain storm water to protect urban areas from flooding after episodes of rainfall. Storm sewer layout along with the contributing areas drained in specific sewer lines is shown in Figure. Design the storm sewer system for “gravity flow” using the data given in Table assuming that the entry time to the pipe is the same for all sections and is equal to 6 min. All pipes are circular and made of concrete. All areas are in hectares. Gradient End of Run Head of run Length of Sewer ‘m’ Sewer Name 1.5% M2 M1 67 SS1 %2 M3 M2 87 SS2 2% M4 M3 87 SS3 2.5% M5 M4 77 SS4 Data of attached Layout of storm C1=0.57 C2=0.67 C3=0.77 C4=0.47 C5=0.87
Storm sewer system is to be provided to drain storm water to protect urban areas from flooding after episodes of rainfall. Storm sewer layout along with the contributing areas drained in specific sewer lines is shown in Figure. Design the storm sewer system for “gravity flow” using the data given in Table assuming that the entry time to the pipe is the same for all sections and is equal to 6 min. All pipes are circular and made of concrete. All areas are in hectares. Gradient End of Run Head of run Length of Sewer ‘m’ Sewer Name 1.5% M2 M1 67 SS1 %2 M3 M2 87 SS2 2% M4 M3 87 SS3 2.5% M5 M4 77 SS4 Data of attached Layout of storm C1=0.57 C2=0.67 C3=0.77 C4=0.47 C5=0.87
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Storm sewer system is to be provided to drain storm water to protect urban areas from flooding after episodes of rainfall. Storm sewer layout along with the contributing areas drained in specific sewer lines is shown in Figure. Design the storm sewer system for “gravity flow” using the data given in Table assuming that the entry time to the pipe is the same for all sections and is equal to 6 min. All pipes are circular and made of concrete. All areas are in hectares.
|
Gradient |
End of Run |
Head of run |
Length of Sewer ‘m’ |
Sewer Name |
|
1.5% |
M2 |
M1 |
67 |
SS1 |
|
%2 |
M3 |
M2 |
87 |
SS2 |
|
2% |
M4 |
M3 |
87 |
SS3 |
|
2.5% |
M5 |
M4 |
77 |
SS4 |
Data of attached Layout of storm
C1=0.57
C2=0.67
C3=0.77
C4=0.47
C5=0.87
Transcribed Image Text:A1=3 ha
A2=7 ha
C=0.5X
C2=0.6X
A3=5 ha
M1
C;=0.7X
SS1
SS2
M3
M2
A4=4ha
C4=0.4X
As=8 ha
Cs=0.8X
M4
M5
Outfall
Figure Q2- Layout of storm sewers
SS4
SS3
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