I am having trouble sizing pipes using hydrocad. I am new to this software. Can hydrocad size a series of pipes? If I have subcatchment runoffs to cath basins through a pipe network with final dischage to a detention basin, how do I model this using hydrocad. I have it now were the tributary subcatments are linked to there respective ponds were I entered my data for the outlet pipes and inlets or grates. I clicked on the no storage check box to model catch basins. I entered the outlet culverts information as my primary and orifice/grate as primary also. I gave as the flood elevation the rim elevation of the inlet I have ponds linked to other ponds to represent the next pipes to be modeled and so on until the final pond for my detention basin. I did not use reaches for the pipes since I read that it is not advisable to do so. Anyway, I keep getting errors that I exceeded the previous pond devices by a certain elevation. Those that mean I need to increase my pipe sizes? I did not get these errors using Civil design for the same purpose. Can anyone please help without refering me to a website. I would appreciate a step by step simple instruction. Thank you very much.
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