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Hi - the most likely thing is that you are using the 'normal' headloss, which is only appropriate for gravity systems. Hence this is a warning, rather than an error.

Note that for specific support...

No doubt this is a tough one, taking InfoWorks outside the area it was originally intended for. I guess the two main issues are what type of manholes should be used up and downstream of the rocker...

Hi, I assume we're talking here about changes in say gradient of pipes in a gravity system, which exist below the ground, i.e. with no manhole present. Is that correct? If that's the case, we need a...

Hi Sebastiaan,

I recommend that you use an ordinary manhole with a flood type of 'sealed'. This means that you'll be able to specify the dimensions of the manholes as they exist in the ground. If...

You might find that swapping from m3/s to l/s could help here. In InfoWorks CS for example, the number of decimal places is retained and therefore the precision is increased.

Hi Martin, Hannah Austin of Clear Environmental Consultants Ltd presented an excellent paper on this at the Spring WaPUG meeting in 2007.
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