Water supply and drainage, fire pipeline installation, pipe installation has been included in the quota, if adding the elbow, three links should be the cost of materials, in which the items below?
If not, the following supplementary material quota and modify the material cost of the corresponding name, unit, quantity, unit price.
1, you must first confirm that you apply the quota, including the installation of pipe installation costs2, and then confirm whether the pipe material is including fixed price in
If the installation fee does not include the words can refer to sixth copies of the quota items corresponding process approach.
The general situation of water supply and drainage pipe elbow, three links are not permitted to increase the cost of materials, unless otherwise specified can explain the quota increase of three, the cost of materials through the elbow or the auxiliary fee adjustment coefficient,Or the clamp connection of the pipe allows the addition of three pass, elbow, big head, clamp flange and must be consistent with the specified diameter
