中国联塑 pvc管道安装施工方案.doc

中国联塑 pvc管道安装施工方案
I. matters needing attention in construction
1, pipeline installation construction, shall meet the following conditions: first, design drawings and other technical requirements for the proper range, the construction scheme and anization has been recognized and implemented; secondly, construction materials, construction tools and equipment are ready, can guarantee the normal construction.
2, construction personnel according to the design requirements for construction, modify the design must have design unit approval document, strictly prohibited without approval of unauthorized change.
3, before construction, should check the quality of materials, specifications and quantity, the product should meet the current product standards, with quality inspection department product qualification certificate, parts and pipe model matching.
The horizontal distance between the 4 and PVC-U water supply pipelines and other adjacent pipelines shall not be less than the width of the construction and maintenance requirements and the width required by the auxiliary structures such as gate wells. The distance between hot water pipes, such as high temperature pipes and high-pressure gas pipes shall not be less than 1 or 5m. Drinking water pipes shall not be laid beneath drains and sewers.
5, PVC-U pipe line and building wall (column) skin between the horizontal distance shoul