給水管道、消防管道和排風管道安裝工程施工方案.doc
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4 給排水、消防和排風管道工程
4.1工程簡述
本標段包括給水管道、消防管道和排風管道安裝。
4.2施工引用標準規(guī)范：
（1）《給排水管道工程施工及驗收規(guī)范》（GB50268-97）
（2）《建筑排水硬聚氯乙烯管道室外埋地工程技術規(guī)范》DB305
（3）《建筑排水硬聚氯乙烯管道工程技術規(guī)范》（GJJ/C729-98）
（4）《給排水通用圖集》S1、S2、S3
（5）《通風與空調工程施工及驗收規(guī)范》（GB 50243-97）
4.3施工工藝流程圖：
（見下頁）
4.4 施工準備
1. 給水排水管道工程施工前應進行圖紙會審，領會設計意圖，讀懂圖紙內容，而且應注意到每一個細節(jié)。
2. 當熟悉施工圖紙后，應由設計進行交底。施工單位有任何疑問，可當場提出以釋疑。
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.