给水管道、消防管道和排风管道安装工程施工方案.doc

4  给排水、消防和排风管道工程
4.1工程简述
   本标段包括给水管道、消防管道和排风管道安装。
4.2施工引用标准规范：
   （1）《给排水管道工程施工及验收规范》（GB50268-97）
   （2）《建筑排水硬聚氯乙烯管道室外埋地工程技术规范》DB305
   （3）《建筑排水硬聚氯乙烯管道工程技术规范》（GJJ/C729-98）
   （4）《给排水通用图集》S1、S2、S3
   （5）《通风与空调工程施工及验收规范》（GB  50243-97）
4.3施工工艺流程图：
（见下页）
4.4  施工准备
1. 给水排水管道工程施工前应进行图纸会审，领会设计意图，读懂图纸内容，而且应注意到每一个细节。
2. 当熟悉施工图纸后，应由设计进行交底。施工单位有任何疑问，可当场提出以释疑。
 
4, drainage, fire and exhaust pipe project
4.1 Project Description
   The tenders include the water supply pipe, fire exhaust pipes and pipe installation.
4.2 Construction of reference standards:
   (1) "to the sewer construction and acceptance" (GB50268-97)
   (2) "Building drain PVC pipe buried outside project technical specifications" DB305
   (3) "hard PVC drainage pipe construction engineering and technical norms" (GJJ/C729-98)
   (4) "Universal Atlas of Water and Wastewater" S1, S2, S3
   (5) "Ventilation and air conditioning works construction and acceptance" (GB 50243-97)
4.3 Construction Flow Chart:
(See next page)
4.4 Construction of preparation
1. Water Supply and Sewage System Construction drawings should be conducted before the hearing, and understand the design intent, read the contents of the drawings, but should note every detail.
2. When familiar with the construction drawings, the classification of components by the design. Construction unit have any questions on the spot offered to clear up doubts.