Pressure Distribution Component 1. The number of doses depends on the type of component specifications. Cell size is a maximum of 5000 square feet. Dose volumes can vary down to five times pipe void capacity. There is a minimum head pressure required at the distal end and it varies with hole size.
Laterals can be down to three-quarters of an inch.
Hole size can be down to one-eighth inch. The number of holes depends on the size of the absorption area. Laterals can have a very slight pitch for draining. The old code required laterals be level. Cleanouts must be supplied on all laterals.