室内外给水技术交底-北京建工集团.doc

  1．施工前期工作
    1.1   熟悉设计图纸和图纸会审的意见，掌握特殊地点的施工要求。
    1.2   对进场材料进行清理、检验，必须符合设计要求，证件齐全。
    1.3   施工机具完好、到位。
  2．操作工艺要点
    2.1   层间垂直预留洞口，要按总高度统一挂线测量，层内水平预留洞口要按泻水坡度进行检测，对错位孔洞要补凿、矫正。穿墙、穿层管道要按有关规定埋设保护套管。
    2.2   管道安装要注意与墙、柱保持一定的间隙，管道联接紧密，采用套丝连接时，管丝要露出2扣，油麻不能外露。
    2.3   管道支架固定牢靠，排列整齐，架上的孔只能机械加工，钢管立管管卡安装，层高小于5m，每层设一个，层高大于5m每层设2个。垂直安装管道允许偏差每5m小于8mm，水平安装每10m允许偏差10mm。
    2.4   金属管道的油漆应均匀，无胶皮、气泡和漏涂。厚
1. Pre-construction work
    1.1 familiar with the design drawings and drawings reviewing the opinion, the special master site construction requirements.
    1.2 approach to clean up materials, inspection, must meet the design requirements and complete documents.
    1.3 Construction machinery intact, are in place.
  2. Operation process elements
    Set aside 2.1 layer vertical hole, according to the total height measurement of uniform hung, horizontal layers according to drip holes allow slope detection, on the dislocation holes to make up the hammer and correction. Through walls, through pipes in accordance with the relevant provisions of the buried layer of protection sleeve.
    2.2 The piping should pay attention and walls and columns to maintain a certain gap, pipe connection close connection with sets of wire, tube wire to expose two buttons, Yau Ma can not be exposed.
    2.3 channel bracket firm, arranged in neat rows of holes can only be machined rack, steel stand pipe card installed, floors less than 5m, one each floor, each floor storey greater than 5m 2. Install piping to allow each of the vertical deviation of less than 5m 8mm, the level of installation per 10m Tolerance 10mm.
    2.4 paint metal pipe should be uniform, no rubber, coated bubbles and leakage. Thick