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the chongqing urban and rural construction committee

about strengthening the management of the new wall tile system application notice

number of c&d (chongqing)

districts and counties ( Autonomous region) Is built appoint, construction bureau in chongqing new north zone (CNNZ), the relevant units:

at present, with the building materials industry technology innovation, appeared a new batch of meet the requirements of the national industrial exterior wall tile system. For raising the quality of new wall tile system engineering application, and ensure the quality of building exterior wall engineering, now is to strengthen the management of new type outer wall tile system application matters related to notice the following:

this notice is to point to include the new type of external wall tile system of high performance exterior wall tile, adhesives, interface treatment agent and joint sealant, exterior wall tile system indicators should meet & other; New exterior wall tile system technical requirements ( Trial) ” , see attachment.

2, exterior wall tile system can be used for m below the building facades, but shall not be used for expansion of polystyrene board thin plastering exterior insulation system, and shall not be used for street or height above the layer and m or more, there are pedestrians or crowds gathered exterior walls.

3, on the layer and above or below the height, m m or more building exterior wall with new exterior wall tile system, construction, design, construction, supervision and other parties cooperated-builing main body, the management should be strengthened to ensure the quality of external wall engineering.

　　（ A) The construction unit should organize the relevant experts outside wall face brick project submitted by the construction unit special construction scheme for special argumentation, the relevant person in charge of design units, construction units, supervision units should attend the symposium. The key argument exterior wall tile system meets the & other New exterior wall tile system technical requirements ( Trial) ” As well as the scheme feasibility, reliability and security, and form a written report ( Style see the attachment) For inspection. The construction unit should strengthen the external wall tile engineering acceptance management, engineering does not satisfy the conditions for acceptance shall not be acceptance, shall not be put into use.

　　（ 2) Design units should be in strict accordance with the 'regulations of external wall face brick engineering construction and acceptance' ( JGJ - ) And other related standards and the provisions of this file special design of external wall face brick construction, the varieties of external wall tile and supporting materials, performance index, the safe construction measures and put forward specific requirements. Construction in the preliminary design for examination and approval by the competent department, exterior wall tile system should be included in the review content. Construction drawing examination institution in the review of construction drawing, the review should focus on the use of external wall tile system is in line with the & other; New exterior wall tile system technical requirements ( Trial) ” , and whether the design necessary for safety construction measures, is not in conformity with the requirements, shall not pass.

　　（ 3) Standards related to the construction unit shall be in accordance with the design documents and outer wall face brick special engineering construction plan, and the construction unit, head of technology and supervision unit total supervision engineer sign, submit the construction unit organization special demonstration. Construction unit should check before construction exterior wall tile and supporting materials of product certification, factory inspection report and so on product quality qualification certificate, and technical clarificaiton work in the construction. The ban can confect adhesives, interface agent and joint sealant. Construction should be strictly in accordance with qualified construction drawing examination, exterior wall tile engineering special construction scheme and the exterior wall tile engineering construction and acceptance regulation organization construction, and then record the construction technology and construction quality inspection record and in the field outside wall face brick bonding strength test.

　　（ 4) The construction supervising units shall, in accordance with the design documents and related standards outside wall face brick project supervision implementation details. Exterior wall tile and supporting material comes into play, should check the certificate of approval, product factory inspection report, etc. Product quality qualification certificate. System, at the same time, must be strictly implemented in the reinspection on sampling time affect performance of the exterior wall tile engineering quality and safety, including outside wall face brick of weight per unit area, single chip surface area, thickness, water absorption and adhesives, interface agent, caulking grout and other supporting materials of key performance indicators. In construction process should be in accordance with the external wall face brick construction supervision rules, adopt effective supervision form of tile engineering supervision and inspection, to not according to the design file, related standards, exterior wall tile special engineering construction technology scheme comparison report and relevant requirements, must supervise and urge the rectification, ensure project quality.

4, construction engineering quality supervision, inspection and carefully to perform regulatory responsibilities include external wall face brick construction quality in an important content of quality supervision, key inspection exterior wall tile special engineering construction technology scheme comparison report, supervision, design documents and related standards implementation. Building administrative departments at all levels should further strengthen external wall tile and supporting the dynamic management of material supply unit, establish credit files of supply unit classification management mechanism, to provide unqualified units, exterior wall tile and supporting materials shall be promptly notified to the industry. :

accessories. New exterior wall tile system technical requirements ( Trial) 。 Exterior wall tile special engineering construction technology scheme comparison report ( Style)

ErJiu November 27

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