Scope:
Covers laying, jointing, and testing of sewer lines.
Unit of Measurement:
- Metres (m) for pipeline laying.
- m³ for manholes, chambers.
Classification:
- By pipe type: Stoneware, RCC, CI, PVC, HDPE.
- By pipe diameter.
- By depth of trench.
Special Notes:
- Excavation & refilling measured separately.
- Manholes measured separately as composite items (brickwork, plastering, benching, covers).
- Testing, alignment, and gradient maintenance → included.
