Values are outside of allowable ranges.
Pipe Selection

HDPE (PE4710) Pipe

Consult a pipe manufacturer for wall thickness greater than 3 in.

Ductile Iron Pipe

PVC (PVC12454-B) Pipe

Input Parameters
The pipeline length must be positive.
The recurring surge flow rate must be positive.
The occasional surge flow rate must be positive.
For recurring surge, the design velocity is limited to between 4 and 8 fps.
For occasional surge, the design velocity is limited to between 5 and 15 fps.
The working pressure in PPI-PACE is limited to a minimum value of 40 psi.
The number of surges per day must be greater than 55.
Temperature for PPI-PACE is limited to between 40°F and 100°F.
See manufacturer for more details.
The minimum recommended design life is 50 years.