建筑给水金属管道工程施工质量验收质量管理

2023年02月09日09:12:06 0 621

建筑给水金属管道工程施工质量验收与质量管理

建筑给水金属管道工程的施工质量验收和质量管理应符合下列要求：

施工现场应有必要的施工技术标准、健全的质量管理体系和工程质量检验制度，实现施工全过程的质量控制。

2按批准的工程设计文件和施工技术标准施工。对设计进行修改，应当提交设计单位的设计变更通知单。

三。施工应编制施工组织设计或施工方案，经批准后实施。

施工单位应具有相应的资质。工程质量验收人员应具有相应的专业技术资格。

6.3.2物资管理应符合下列要求：

1本工程使用的主要材料应具有中文质量证明书，其规格型号和性能试验报告应符合国家技术标准或设计要求。验收应在进场时进行，并经监理工程师验证确认。

2所有材料进场时，对品种、规格、外观等进行验收。包装完好，表面无划伤和外力冲击损伤。

三。主要材料安装使用说明书齐全。在运输、储存和施工过程中，应采取有效措施防止损坏或腐蚀。

6.3.3建筑给水金属管道工程的管道接口应符合下列要求：

1螺纹连接管安装后，管螺纹根部应有2-3个外露螺纹，多余的原材料带应清理干净并做防腐处理。

2法兰连接时，垫片不得伸入管内，其外缘应靠近螺栓孔。不要放置双层或部分衬垫。

三。法兰连接螺栓的直径和长度应符合标准。拧紧后，突出螺母的长度不得大于螺钉直径的1/2。

4沟槽连接的两端管端应平整无缝，沟槽应均匀，螺栓夹紧后管应平直，卡箍安装方向应一致。

各类承压管道系统和设备应进行水压试验，非承压管道系统和设备应进行灌水试验。

6.3.4室内给水管道主控工程施工质量验收应符合下列要求：

1室内给水管道水压试验必须符合设计要求。设计未作规定时，各种材料给水管道系统的试验压力为工作压力的1.5倍，但不低于0.6MPa。

检查方法：对给水金属管道系统在试验压力下观察10min，压降不大于0.02MPa，然后降至工作压力进行检查，检查压力应无泄漏和渗漏，同时检查接头有无渗漏。同时，检查接头有无泄漏。

2供水系统出厂前必须进行测试和记录。

检查方法：观察并打开阀门、水嘴等。

三。生活给水系统的管道在交付使用前必须进行清洗消毒，经有关部门抽检，符合国家饮用水标准后方可使用。

检测方法：查阅相关部门提供的检测报告。

4室内直埋给水管道应进行防腐处理。埋地管道防腐层的材料和结构应符合设计要求。

Construction quality acceptance and quality management of building water supply metal pipeline engineering

The construction quality acceptance and quality management of building water supply metal pipeline engineering shall meet the following requirements:

The construction site should have necessary construction technical standards, sound quality management system and engineering quality inspection system to realize the quality control of the whole construction process.

2. The construction shall be carried out in accordance with the approved engineering design documents and construction technical standards. A design change notice issued by the design unit shall be required for modifying the design.

3. The construction organization design or construction scheme shall be prepared for the construction, which can be implemented after approval.

The construction unit shall have corresponding qualification. The project quality acceptance personnel shall have corresponding professional and technical qualifications.

6.3.2 material management shall meet the following requirements:

1. The main materials used in the project shall be provided with quality certificate in Chinese, and the specification, model and performance test report shall meet the national technical standards or design requirements. The inspection and acceptance shall be conducted when entering the site, and shall be verified and confirmed by the supervision engineer.

2. When all materials enter the site, the varieties, specifications, appearance, etc. shall be accepted. The package shall be in good condition, and the surface shall be free of scratch and external force impact damage.

3. Complete installation and operation instructions for main materials. During transportation, storage and construction, effective measures shall be taken to prevent damage or corrosion.

6.3.3 the pipeline interface of building water supply metal pipeline engineering shall meet the following requirements:

1. After the installation of threaded connection pipe, there should be 2-3 exposed threads at the root of the pipe thread, and the surplus raw material belt should be cleaned and treated with anti-corrosion.

2. During flange connection, the gasket shall not protrude into the pipe, and its outer edge shall be close to the bolt hole. Do not place double or partial pads.

3. The diameter and length of the bolt connecting the flange shall meet the standard. After tightening, the length of the protruding nut shall not be greater than 1 / 2 of the diameter of the screw.

4. The two pipe ends of grooved connection shall be flat and seamless, the groove shall be uniform, the pipe shall be straight after the bolt is clamped, and the installation direction of the clamp shall be consistent.

All kinds of pressure bearing pipeline system and equipment shall be subject to hydrostatic test, and non pressure bearing pipeline system and equipment shall be subject to irrigation test.

6.3.4 the construction quality acceptance of the main control project of indoor water supply pipeline shall meet the following requirements:

1. The hydraulic test of indoor water supply pipeline must meet the design requirements. When the design is not specified, the test pressure of water supply pipeline system of various materials is 1.5 times of the working pressure, but not less than 0.6MPa.

Inspection method: observe the water supply metal pipeline system under the test pressure for 10min, the pressure drop shall not be greater than 0.02MPa, and then drop to the working pressure for inspection, which shall be free from leakage and leakage, and at the same time, check the joints for leakage. At the same time, check the joints for leakage.

2 water supply system must be tested and recorded before delivery.

Inspection method: observe and open the valve, water nozzle, etc.

3. The pipes of domestic water supply system must be washed and disinfected before being delivered for use, and can only be used after being sampled and inspected by relevant departments and meeting the national standard for drinking water.

Test method: check the test reports provided by relevant departments.

4. The indoor directly buried water supply pipeline shall be treated with anti-corrosion. The material and structure of anticorrosive coating for buried pipeline shall meet the design requirements.

建筑给水金属管道工程施工质量验收质量管理

建筑给水金属管道工程施工质量验收质量管理应符合下列规定：

1 施工现场应具有必要的施工技术标准、健全的质量管理体系和工程质量检测制度，实现施工全过程质量控制。

2 施工应按照批准的工程设计文件和施工技术标准进行施工。修改设计应有设计单位出具的设计变更通知单。

3 施工应编制施工组织设计或施工方案，经批准后方可实施。

4 施工单位应当具有相应得资质。工程质量验收人员应具备相应的专业技术资格。

6.3.2 材料管理应符合下列规定：

1 工程所使用的主要材料应具有中文质量合格证明文件，规格、型号及性能检测报告应符合国家技术标准或设计要求，进场时应做检查验收，并经监理工程师核查确认。

2 所有材料进场时应对品种、规格、外观等进行验收。包装应完好，表面无划痕及外力冲击破损。

3 主要材料有完整的安装使用说明书。在运输、保管和施工过程中，应采取有效措施防止损坏或腐蚀。

6.3.3 建筑给水金属管道工程管道接口应符合下列规定：

1 螺纹连接管道安装后的管螺纹根部应有2～3扣的外露螺纹，多余的生料带应清理干净并做防腐处理。