The Unit Rate quoted in the priced Bill of Quantities (BOQ) for supplying, laying and jointing cement concrete sewer pipes, will be considered full compensation for the cost of pipes, charges for their carriage to site and testing before and after laying, labour charges for laying, jointing, etc. and cost of all incidentals for completion of this item of work as per Contract Specifications laid down in this Section and elsewhere in the Contract Document. Payment for this item of work shall be made at the Unit Rate (or rates corresponding to various internal diameters of sewer pipes) quoted in the priced Bill of Quantities (BOQ).