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If the discharge rate of a waste drain line is 601 GPM, what is the smallest pipe size that can be used if the slope of the drain line cannot be greater than 1/4 inch of fall per foot? Refer to table below

If the discharge rate of a waste drain line is 601 GPM, what is the smallest pipe size that can be used if the slope of the drain line cannot be greater than 1/4 inch of fall per foot? Refer to table below

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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If the discharge rate of a waste drain line is 601 GPM, what is the smallest pipe size that can be used if the slope of the drain line cannot be greater than 1/4 inch of fall per foot? Refer to table below

TABLE 8.9 Approximate Discharge Rate (GPM) and Velocities (fps) in Half-fullª Sloping Drains Actual Inside Pipe Diameter Inches 1½ 2 3 4 6 8 10 12 1/16 in./ft GPM 26.7 78.7 169 307 500 fps 1.36 1.79 2.17 2.51 2.84 GPM 1/8 in./ft 17.5 37.7 111 240 435 707 aHalf full means filled to a depth equal to half of the inside diameter. Source: Courtesy of the National Standard Plumbing Code. fps 1.60 1.92 2.53 3.06 3.55 4.01 GPM 3.9 8.41 24.8 53.4 1/4 in./ft 157 339 615 999 fps 1.41 1.73 2.26 2.72 3.57 4.33 5.02 5.67 GPM 1/2 in./ft 5.52 11.9 35.0 75.5 223 479 869 1413 fps 1.99 2.44 3.20 3.84 5.05 6.13 7.10 8.02
Transcribed Image Text:TABLE 8.9 Approximate Discharge Rate (GPM) and Velocities (fps) in Half-fullª Sloping Drains Actual Inside Pipe Diameter Inches 1½ 2 3 4 6 8 10 12 1/16 in./ft GPM 26.7 78.7 169 307 500 fps 1.36 1.79 2.17 2.51 2.84 GPM 1/8 in./ft 17.5 37.7 111 240 435 707 aHalf full means filled to a depth equal to half of the inside diameter. Source: Courtesy of the National Standard Plumbing Code. fps 1.60 1.92 2.53 3.06 3.55 4.01 GPM 3.9 8.41 24.8 53.4 1/4 in./ft 157 339 615 999 fps 1.41 1.73 2.26 2.72 3.57 4.33 5.02 5.67 GPM 1/2 in./ft 5.52 11.9 35.0 75.5 223 479 869 1413 fps 1.99 2.44 3.20 3.84 5.05 6.13 7.10 8.02
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