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عمران::
لولهگذاری
Bill No. 1: pipe laying 51
The payments would be made according to the length of pipe laying minus the space occupied by the manholes, but as for manholes the related payment would be based on the volume of bricks or concrete used for manholes construction.
Payment schedule for pipe laying and Manholes
In the Procurement of pipe and pipe laying in trench and tunnel section with polyethylene pipe, before any part of work is completed, the following percentage table can be used for exceptional payments.
Ratios of Exceptional cases of payment for different stages of pipe laying operations, using polyethylene pipes of various sizes
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