Once the select portion of trench has been prepared, lay the se wer pipe in the trench. It is recommended to start at the lower end of the pipe run, up to the higher elevation. If the sewer pipes , has bell end; the bell end must be placed on the uphill side of the pipe run, reducing the possibility of leakage.
It is essential that the TEPPFA or AS/NZS 2566 compaction levels are attained, a