What is the 10-yr peak flow in cfs using the rational method at a stormwater inlet for a region with a total area of 60 acres and three different land uses that are shown in the table below? An inlet time of 40 min with rainfall intensity of 4 in./hr for a 10-yr return period is assumed. Area (ac) Runoff coefficient 35 Land use Multi-units, detached Railroad yard areas 10 Business (neighborhood areas) 15 0.5 0.3 0.6
What is the 10-yr peak flow in cfs using the rational method at a stormwater inlet for a region with a total area of 60 acres and three different land uses that are shown in the table below? An inlet time of 40 min with rainfall intensity of 4 in./hr for a 10-yr return period is assumed. Area (ac) Runoff coefficient 35 Land use Multi-units, detached Railroad yard areas 10 Business (neighborhood areas) 15 0.5 0.3 0.6
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![What is the 10-yr peak flow in cfs using the rational method at a stormwater inlet for a
region with a total area of 60 acres and three different land uses that are shown in the table
below? An inlet time of 40 min with rainfall intensity of 4 in./hr for a 10-yr return period is
assumed.
Land use
Multi-units, detached
Railroad yard areas
Business (neighborhood areas) 15
Area (ac) Runoff coefficient
35
0.5
0.3
0.6
23 10.15](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb816de81-d091-4434-aa0d-8a250bb5db6b%2F137f4cc9-7099-4107-8c97-0b095fa1b3a3%2F46ltzds_processed.jpeg&w=3840&q=75)
Transcribed Image Text:What is the 10-yr peak flow in cfs using the rational method at a stormwater inlet for a
region with a total area of 60 acres and three different land uses that are shown in the table
below? An inlet time of 40 min with rainfall intensity of 4 in./hr for a 10-yr return period is
assumed.
Land use
Multi-units, detached
Railroad yard areas
Business (neighborhood areas) 15
Area (ac) Runoff coefficient
35
0.5
0.3
0.6
23 10.15
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