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2. A 6-ac basin is to be developed into 2 ac of commercial development (C=0.95) and 4 ac of park (C=0.2), as shown below. Using the tabulated IDF information, what should be the design flow at the inlet? A = 2 ac le = 5 min A = 4 ac te = 20 min Inlet

2. A 6-ac basin is to be developed into 2 ac of commercial development (C=0.95) and 4 ac of park (C=0.2), as shown below. Using the tabulated IDF information, what should be the design flow at the inlet? A = 2 ac le = 5 min A = 4 ac te = 20 min Inlet

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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1. For a runoff volume of 125.6 m³, determine the depth of storage in a retention basin that has vertical walls and a base area of 500 m². 2. A 6-ac basin is to be developed into 2 ac of commercial development (C=0.95) and 4 ac of park (C=0.2), as shown below. Using the tabulated IDF information, what should be the design flow at the inlet? A = 2 ac lc = 5 min Manhole Duration (min) Inlet box Curb 5 10 15 20 25 30 3. Determine the smallest required concrete round pipe and rectangular box sewers for Q=100, 150, 200, and 250 cfs, S=0.005 ft/ft, and n=0.013 using Manning's Equation. Tabulate results and compare capacities and areas of the round and box sewers. Use standard increment sizes of 0.5 ft for round pipe and 1.0 ft for box sewers. 4. Given the inlet below, with h=0.5 ft, W=1.5 ft, L=4.0 ft, and a gutter depression depth=0.33 ft, determine what is the Q into the inlet if the depth of the storm water at the curb is 1.0 ft (i.e., there is 6 inches of water depth above the standard curb height of 6 inches for a total depth at curb of 1.0 ft). slope Gutter s Inlet A = 4 ac te=20 min *16 Intensity (in./hr) Normal cross slope 10.1 8.2 7.3 6.6 6.1 5.7 Gutter slope Gutter depression.
Transcribed Image Text:1. For a runoff volume of 125.6 m³, determine the depth of storage in a retention basin that has vertical walls and a base area of 500 m². 2. A 6-ac basin is to be developed into 2 ac of commercial development (C=0.95) and 4 ac of park (C=0.2), as shown below. Using the tabulated IDF information, what should be the design flow at the inlet? A = 2 ac lc = 5 min Manhole Duration (min) Inlet box Curb 5 10 15 20 25 30 3. Determine the smallest required concrete round pipe and rectangular box sewers for Q=100, 150, 200, and 250 cfs, S=0.005 ft/ft, and n=0.013 using Manning's Equation. Tabulate results and compare capacities and areas of the round and box sewers. Use standard increment sizes of 0.5 ft for round pipe and 1.0 ft for box sewers. 4. Given the inlet below, with h=0.5 ft, W=1.5 ft, L=4.0 ft, and a gutter depression depth=0.33 ft, determine what is the Q into the inlet if the depth of the storm water at the curb is 1.0 ft (i.e., there is 6 inches of water depth above the standard curb height of 6 inches for a total depth at curb of 1.0 ft). slope Gutter s Inlet A = 4 ac te=20 min *16 Intensity (in./hr) Normal cross slope 10.1 8.2 7.3 6.6 6.1 5.7 Gutter slope Gutter depression.
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