MORE THAN ONE WATER SUPPLY ON A PIPE SYSTEM:
Situation A: where the water supplies are supplying the same zones:-
Tip #1: All water supplies must have non-zero values entered for the Design and Maximum Head, use the same value for both.
Tip #2: Adjust the pressures in the water supplies until the flow equals the quantity available from each water source. This is a complex situation to solve and so it is an iterative process. A small pressure change in the water supply may have a large effect on the resultant flow.
Tip #3: Only Velocity Design can be used to size pipes.
Tip #4: If you are using pumps in your design the solution is based on the pump curves and it is not necessary to make manual iterations.
Situation B: where the water supplies are supplying different zones:-
Situation B tips only apply to IRRICAD Pro Version 10 and later.
Tip #1: You can set the water supply pressure to 0 so that IRRICAD will work out required system pressure.
Tip #2: LP Design can be used to size pipes; for branching systems only.
MORE THAN ONE PIPE SYSTEM ON A DESIGN:
Only applies to IRRICAD Pro Version 10 and later.
Tip #1: You can set the water supply pressure to 0 so that IRRICAD will work out required system pressure.
Tip #3: LP Design can be used to size pipes; for branching systems only.
Tip #4: If a water supply assigned to a valve is not physically connected to it, the design process will fail giving error DES_485.
MANAGEMENT TIP:
Starting with IRRICAD Pro Version 10, you can assign ranges of system flows to the water supplies (this is particularly useful if there are more than 18 system flows) by:-
- In Assign Zones to System Flows, for each water supply, specifying ranges in this format1-10,15-20 etc.
In one of the tabular management options, if System #1 has system flows 1 to 10 and 15 to 20 and System #2 has system flows 11 to 14, you can enter these as ranges as per the picture below: Each range requires two columns. The -ve before each number tells IRRICAD it is part of a range and not the specific system flow number.