Welcome to the RAS Solution Forums HEC-RAS Help Floodway Width Incorrectly Calculated

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    Jackie Cantrell
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    I’m using HEC-RAS 5.0.7 (I’ve also tried 6.1 to see if the problem goes away…it does not) and am comparing 2 models with the same encroachment values (floodway). When I compare the floodway widths, one cross-section has a different width between the 2 models (3′ difference)…the other 83 XS match floodway widths exactly. The LH and RH encroachments are 132 & 257 and one model says it’s a 122′ width, the other says it’s a 125′ width. I need these to match for our LOMR sumbittal. What could be causing this issue?

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