The horizontal layout of foul sewer network is shown in Figure Question 3. The sewer network comprised of four sewers starting from MH1 to MH4. Manhole ground elevations are shown in Figure Q 3 (a). All sections are of equal length. The total length of the sewers is 273 m. a) Calculate the invert elevations for the sewers from MH1 to MH4 using minimum cover for the sewer as 2.0 m and pipe wall thickness as 50 mm. b) Using suitable scale plot the sewer profile and shown necessary data required.
The horizontal layout of foul sewer network is shown in Figure Question 3. The sewer network comprised of four sewers starting from MH1 to MH4. Manhole ground elevations are shown in Figure Q 3 (a). All sections are of equal length. The total length of the sewers is 273 m. a) Calculate the invert elevations for the sewers from MH1 to MH4 using minimum cover for the sewer as 2.0 m and pipe wall thickness as 50 mm. b) Using suitable scale plot the sewer profile and shown necessary data required.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Question 3
The horizontal layout of foul sewer network is shown in Figure Question 3. The sewer network
comprised of four sewers starting from MH1 to MH4. Manhole ground elevations are shown in
Figure Q 3 (a). All sections are of equal length. The total length of the sewers is 273 m.
a) Calculate the invert elevations for the sewers from MH1 to MH4 using minimum cover for the
sewer as 2.0 m and pipe wall thickness as 50 mm.
b) Using suitable scale plot the sewer profile and shown necessary data required.
MH1
El. 237.5 m
Sewer
Slope
Diameter
(mm)
Length (m)
MH2
El. 239.0 m
B
Figure Q3 (a)- Foul Sewer Layout
Table Q3 (b)- Sewer data
A
2%
300
MH3
El. 241.4m
83
B
2%
250
83
C
2%
250
83
MH4
El. 242.4m
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