perforated pipe sizing

[ammu4uo]

Dear All,

i am looking for the calculation of perforated pipe sizing which is used for collecting the ground irrigation & rain water. which is connected in sump pit.

hope to get the reply.

 

[PEDARRIN2]

Do not know where you are located, but you might find some assistance at

http://www.ndspro.com/

General rule of thumb is 4" around footers.