- (a) Pipe installed from the outlet tee of the septic tank to the distribution box or diversion device shall be Schedule 40 pipe for whatever distance is required to reach undisturbed soil, but in no case shall be less than ten feet (10’).
- (b) Once a solid trench bottom is achieved the Schedule 40 pipe may be adapted to SDR 35 PVC pipe or ASTM 3034 PE (polyethylene) pipe for the remaining distance to the distribution box or diversion device.
- (c) SDR 35 PVC, ASTM 3034 PE, or Schedule 40 PVC shall be used from the distribution box or diversion device to the perforated field line pipe.
Codification Notes: “PVC” means polyvinyl chloride.