Assuming the start up flow for the clarifier is 1.7 mgd and the design peak hour flow is 5.2 mgd, determine the center column diameter size, the influent well diameter, and flocculating well diameter size. Show work. Center Column Well Criteria: Minimum Velocity = 0.5 ft/sec Maximum Velocity = 4 ft/sec Influent Well Criteria:Minimum Detention time = 7 seconds (Assume a depth of 2.4 ft) Flocculating Well Criteria: (for startup & Design flow only)Minimum Detention time = 1,200 secondsMax Downward Velocity = 1.5 ft/min (ADMM) and 2.5 fpm (Peak hour flow) (Assume a depth of 8 ft)
Assuming the start up flow for the clarifier is 1.7 mgd and the design peak hour flow is 5.2 mgd, determine the center column diameter size, the influent well diameter, and flocculating well diameter size. Show work. Center Column Well Criteria: Minimum Velocity = 0.5 ft/sec Maximum Velocity = 4 ft/sec Influent Well Criteria:Minimum Detention time = 7 seconds (Assume a depth of 2.4 ft) Flocculating Well Criteria: (for startup & Design flow only)Minimum Detention time = 1,200 secondsMax Downward Velocity = 1.5 ft/min (ADMM) and 2.5 fpm (Peak hour flow) (Assume a depth of 8 ft)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Assuming the start up flow for the clarifier is 1.7 mgd and the design peak hour flow is 5.2 mgd, determine the center column diameter size, the influent well diameter, and flocculating well diameter size. Show work.
Center Column Well Criteria:
Minimum Velocity = 0.5 ft/sec
Maximum Velocity = 4 ft/sec
Influent Well Criteria:
Minimum Detention time = 7 seconds (Assume a depth of 2.4 ft)
Flocculating Well Criteria: (for startup & Design flow only)
Minimum Detention time = 1,200 seconds
Max Downward Velocity = 1.5 ft/min (ADMM) and 2.5 fpm (Peak hour flow)
(Assume a depth of 8 ft)
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