Hydraflow - Precipitation data is not matching

rogeriogestal30
Explorer

Hydraflow - Precipitation data is not matching

rogeriogestal30
Explorer
Explorer

I am running some calculations to determine my peak flow using the scs method. When a input my data, the program asks me to input my 2 year 24 hour storm. Then I run the calculations based on the storm event I want to calculate (2 year, 5 year, 10 year, etc). When it gives me the peak flow, everything seems to be fine, but the precipitation data doesn't match what I have for the storm event (it's always lower than the precipitation I have). I have attached images of what is going on. All of my storms are there. Am I Doing something wrong? I thought it was a range of precipitation approximation, but it doesn't seem to be the case. Can anybody tell me what's happening?

 

Hydraflow.JPGPrecipitation.JPG25 year.JPG10 year.JPG2 Years.JPGWorksheet.JPG

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wfberry
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Mentor

Perhaps if you can post your .gpw file someone can help.

 

Bill

 

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rogeriogestal30
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Explorer

Sorry, but what is the .gpw file?

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wfberry
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Mentor

It's your Hydrograph file.

 

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rogeriogestal30
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Explorer

Autodesk says the file format is not supported.

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wfberry
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Mentor

If you are using Hydraflow Hydrographs Extension in your Civil 3D, you should be saving a file like *.gpw.

 

 

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