How would you determine the gap flow (i.e. major drainage system design flow) for an ARI...

      

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How would you determine the gap flow (i.e. major drainage system design flow) for an ARI = 100 years, taking into consideration that the minor drainage system which was designed for an ARI= 5 years is fully operational (i.e. unblocked-blockage is never an issue). How would you determine the gap flow knowing that for the major drainage system design flow an ARI = 100 years is considered and that the minor drainage system must be designed for an ARI = 3 years. It is noted that the minor drainage system is usually not fully operational as a result of partial blockage (i.e. 50% blockage). How would you determine the gap flow (i.e. major drainage system design flow) for an ARI = 100 years, taking into consideration that the minor drainage system which was designed for an ARI= 5 years is fully operational (i.e. unblocked-blockage is never an issue). How would you determine the gap flow knowing that for the major drainage system design flow an ARI = 100 years is considered and that the minor drainage system must be designed for an ARI = 3 years. It is noted that the minor drainage system is usually not fully operational as a result of partial blockage (i.e. 50% blockage).

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Case 1 Minor Drainage System Fully Operational No Blockage Issues If the minor drainage system is fu... View the full answer