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Stormwater drainage systems are complex networks of gutters, inlets, and pipes. Analyzing these elements together is impossible for using traditional hand or spreadsheet ... See More
Stormwater drains collect stormwater in their corresponding catchment areas during rainstorm and convey the collected water through outlets to the sea. Therefore, in cons ... See More
What comes in must come out, prevent accumulation of water (load), prevent deterioration of material over lifespan of the material. (question not clear)
SSA, Mike, and PCSWMM for me are so far the best.
No Cavitation in Storm Water Because Water Going by the Flow, Cavitation will appear at pressure pipe due to change in pipes slope
Cavitation in pipes is caused by air entrapment.
to facilitate postive displacement by gravity. Gutters are sloped towards the downpipe with drains to achieve smooth flow and a certain head over the outlet.