砌體內管路敷設工程技術交底-建筑安裝.doc

一、 施工準備
（一） 砌體內PVC管施工準備
1、 作業條件
隨土建砌體砌筑同時進行。
2、 PVC管材料要求
（1） PVC管的材質必須合格,其氧指數≥27%,設計有特殊要求時必須符合設計要求。進場材料必須有產品合格證,以及有效的氧指數檢測報告；
（2） 外觀檢查,管材內外壁光滑,無凸棱凹陷、氣泡等缺陷；
（3） 用卡尺測量內外徑必須符合國家標準,管壁厚度均勻一致；
各種附件如燈頭盒、開關插座盒、管接頭
First, construction preparation
(A) preparation of masonry within the PVC pipe construction
1, operating conditions
With the civil masonry lining the same time.
2, PVC pipe material requirements
(1) PVC pipe material must be qualified, the oxygen index of ≥ 27%, there are special requirements must meet the design requirements. Admission materials must have a product certificate, and an effective oxygen index test reports;
(2) inspection of the exterior wall of tubes inside and outside the smooth, non-convex edge dents, bubbles and other defects;
(3) in diameter with a caliper must meet national standards, uniform wall thickness;
Accessories such as lamp boxes, switch socket boxes, fittings

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