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Infiltration Half Drain time calculations

We have recently been challenged by Wiltshire LLFA regarding half drain times. As I understand it, Flow calculates the half drain time to CIRIA 156 which gives a significantly longer half drain time than the BRE365 method that Micro Drainage uses....
Ben Stoodley 8 months ago in Flow 1 👷🏽‍♀️Promoted

Highlight if the Colebrook-White or the Manning's equations is being used by highlighting (or greying out) the "ks (mm)" or "n" in the link details.

It seems that if a pipe has a swale upstream then the pipe uses the Manning's equations to compute flows etc, but if it has nothing upstream or a pipe upsteam then it uses the Colebrook-White equations. This means that on the same storm water syst...
James Berry 3 months ago in Flow 0 📋Registered

Provide technical guidance an the use of ReFH2 in Flow

There is an absence of guidance on the use of ReFH2 data in Flow. I understand from discussions with the Help Desk that they don't have access to the software. In the absence of reasonable guidance the ReFH2 features are worthless.
karl Pitman about 2 months ago in Flow 0 📋Registered

Chainage, pipe bedding and cover grade information in long section exports

Add chainage, pipe bedding and node cover grade information as options for long section outputs. These are standard requirements for a lot of water authorities so would prevent manual changes being required to allow these outputs to be included.
Guest about 2 months ago in Flow 0 📋Registered

Add Urban Creep locally for each area/catchment

This is especially applicable now given some areas may have 100% impermeable while other will have greenfield with a possible option to turn to impermeable. Users can also adjust Cv value locally. The design report should contain the new additions.
Tom Fox almost 2 years ago in Flow 0 👷🏽‍♀️Promoted

Separating Flow Design Reports - Ability to split large flow networks into phased design reports.

There is a requirement to be able to produce design reports for separate sections of a larger Flow network when working on multi-phase developments.
Craig McNaughton 5 months ago in Flow 0 👷🏽‍♀️Promoted

Ability to renumber and reorder design locked nodes and pipes.

No description provided
Tom Fox almost 2 years ago in Flow 0 👷🏽‍♀️Promoted

Manhole Schedule Degree Reference

We’ve noticed a significant increase in the use of precast manholes across nearly every development we’re involved in. The companies supplying these typically issue drawings where each incoming pipe is referenced by its angle relative to the outgo...
Guest 3 months ago in Flow 0 📋Registered

Customise the section box appearance for long sections

Being able to adjust the depth of the rows in the section box will speed up the process of producing the long section drawing. Alterations to the table are typically also required in order to be able to read all the information. Setting the text m...
Guest 3 months ago in SmartTools 0 📋Registered

Quick Storage Calculations For Soakaways Without The Use Of The Base

When looking at the preliminary quick storage calculations used for preliminary designs/drainage strategies, the quick storage tool is excellent up until the point you want to design soakaways as there is no option to get a quick storage calculati...
Guest 11 months ago in Flow 0 👷🏽‍♀️Promoted