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  3. use the hydraulicelements graph for circular sewers to solve this...

Question: use the hydraulicelements graph for circular sewers to solve this...

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Use The Hydraulic-Elements graph for circular sewers to solve this.

3. (8 pts.) A storm sewer (reinforced concrete pipe) is 400-feet long and 36-inches in diameter The sewer flows from a junction box (invert elevation 101.00 feet) to a lift station sump (invert elevation 100.00 feet). Assuming Mannings roughness coefficient is 0.013 for all flow depths, the sewer maximum flow capacity without surcharge is about (A) 17.8 cfs (B) 19.2 cfs (C) 22.1 cfs (D) 28.9 cfs (E) 31.2 cfs (F) 33.4 cfs (G) 35.9 cfs (H) 36.4 cfs For partial credit show work

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