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  1. C

    Error 81 in Hydrocad

    Error 81 im getting Pond 12 is exceeding by Pond 11 by 0.35' @ 23.99hrs. How to resolve this issue I have three ponds connecting one to other. with two pipe culvert outlets to allow the flow from one to other and third pond is having weir outlet. please help me how to resolve this one ASAP.

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