(1)给水和输气特殊单立管排水系统道工程应按设计文件和施工图施工，特殊单立管排水系统材、管件应符合国家现行的有关产品标准(GB 13295)或国际现行标准(ISO 2531)的规定，并应有出厂合格证， 用于生活饮用水的管道，其材质不得污染水质。给水和输气管道工程施工，应遵循国家和地方有关法规，工程验收应符合国家有关标准、规范的规定。
(1) the water and gas special singlestack systems engineering should be according to the construction design documents and construction drawings, the special single riser pipe drainage system shall comply with relevant national standards for existing products (GB 13295) or the international standard (ISO 2531) of the regulations, and should have the certificate, used for pipeline drinking water, the material shall not pollute the water. The construction of water supply and gas transmission pipelines shall be subject to the relevant state and local regulations, and the acceptance of the works shall be in conformity with the relevant standards and specifications of the state.
(2) before the construction of the water supply and gas transmission pipeline system with special single vertical pipe drainage, the design units shall be responsible for the design disclosure, and the study shall be conducted according to the construction needs, and the following information and data shall be mastered along the pipeline:
1) site topography, landscape, buildings, pipelines and other facilities;
2) special single pipe drainage system engineering materials, hydrogeology, engineering land and construction water, drainage conditions, power supply conditions;
3) engineering materials, construction machinery supply conditions;
4) the special single riser drainage system in surface water or shore construction, should grasp the surface water hydrology and shipping information; in the cold area construction, should grasp the freezing and ice surface water data;
5) combined with the engineering features and other conditions and information of the site conditions.
(3) the special single riser drainage system design should be to prepare the drainage construction drainage, drainage construction should consider drainage does not affect the traffic, without destroying roads, farmland, river and other buildings and a series of problems related to drainage.
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