1. Lowering shall commence after inspection of trench.
2. Trench bottom shall be free from pipe supports, stones, roots, debris, stakes, and rigid material.
3. Padding shall be provided in rocky/ murram area.
4. Lowering shall commence as soon as possible after completion of joint coating.
5. Before lowering in, complete check by a full circle holiday detector for pipe coating and field joint coating at 15 KV is carried out (Speed 300mm /sec).
6. Any damage shall be repaired.
7. Support/ skid points shall be thoroughly checked.
8. The pipeline must be laid without interruption for the whole or the length of section available.
9. Ends of the lowered pipeline section shall be closed with night cap to prevent ingress of water, mud etc.
