The quality inspection organization must carry out the inspection in strict accordance with the engineering technical specifications and inspection and test standards, and be responsible for the authenticity and accuracy of the inspection data and inspection report issued by it
.
When receiving test samples, the sample status, information and unique identification shall be checked
.
The construction unit shall establish and improve the quality assurance system for the procurement, mobilization inspection and use of building materials
.
The mobilized materials must have product certificate and delivery inspection report
.
The main points of the notice are as follows: earnestly implement the main responsibilities of all parties involved in the construction of the project, the construction unit shall strengthen the quality control of building materials entering the construction site, shall not specify the building materials purchased by the construction unit for the project according to the contract, and shall not express or imply that the construction enterprise uses unqualified building materials
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If the construction unit purchases building materials according to the contract, it shall ensure that the building materials meet the requirements of the design documents and the contract, and have a product certificate
.
3、 Strengthen the quality management of production and use of ready mixed concrete (I) effectively ensure the production quality of ready mixed concrete
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Construction materials are the basis and guarantee of construction project quality
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Unqualified building materials such as “slimming reinforcement” and “illegal sea sand” are strictly prohibited from being used in the project（ 4） The supervision unit shall strictly implement the witness sampling system, review the quality certification materials of mobilized building materials, conduct on-site witness on the sampling and inspection of building materials, and make witness records
. 
If any unqualified building materials are found, it shall be reported to the entrusting unit and the local quality supervision organization in time
.
When designing and selecting building materials, the design unit shall indicate the specifications, models, performance and other technical indicators and quality requirements, and the quality requirements must meet the standards prescribed by the state
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It is strictly prohibited to use unqualified raw materials, and it is strictly prohibited for ready mixed concrete production enterprises to make concrete test blocks instead of users（ 2） Strengthen the quality control of ready mixed concrete construction process
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If they do not meet the requirements, they shall be rejected
.
The use of unqualified construction materials will not only affect the normal use function of the project, Moreover, it causes hidden dangers of quality and safety and poses a threat to the safety of people’s lives and property
.
The construction, design, construction, supervision and other project participants, as well as relevant units such as quality inspection institutions, shall establish and improve the quality assurance system, strictly abide by the principle of “inspection before use” of building materials, so as to “who uses, who accepts and who signs” and implement the quality responsibility to the post Implement to people（ 1） The construction unit shall strengthen the quality control of building materials entering the construction site, shall not specify the building materials purchased by the construction unit for the project according to the contract, and shall not express or imply that the construction enterprise uses unqualified building materials
.
The mix proportion design and production quality control shall be carried out in strict accordance with the requirements of relevant technical standards and supply contracts, and the factory inspection system of ready mixed concrete shall be strictly implemented to ensure the quality of concrete products
.
If any unqualified building materials are found, it shall be reported to the entrusting unit and the local quality supervision organization in time
.
When receiving test samples, the sample status, information and unique identification shall be checked
.
If they do not meet the requirements, they shall be rejected
.
The witness sampling personnel shall be responsible for the representativeness of the sample and the authenticity of the sampling process
When receiving test samples, the sample status, information and unique identification shall be checked
.
They can be used only after passing the inspection; Unqualified building materials found shall be marked immediately and returned in time, and shall not be used
.
If any unqualified building materials are found, it shall be reported to the entrusting unit and the local quality supervision organization in time
.
The construction unit shall bear corresponding responsibilities for the quality problems of the purchased building materials（ 2） When designing and selecting building materials, the design unit shall indicate the specifications, models, performance and other technical indicators and quality requirements, and the quality requirements must meet the standards prescribed by the state
.
When purchasing sand for construction, the source certificate and test certificate of sand shall be checked, and the pre mixed concrete delivery note, factory certificate and chloride ion test certificate shall be provided at the time of delivery
.
Except for building materials with special requirements, the design unit shall not designate manufacturers and suppliers
.
Without the signature of the supervising engineer, building materials shall not be used in the project, and the construction unit shall not carry out the construction of the next process
.
If they do not meet the requirements, they shall be rejected
.
Those who issue false test reports shall bear corresponding legal liabilities
.
Except for building materials with special requirements, the design unit shall not designate manufacturers and suppliers（ 3） The construction unit shall establish and improve the quality assurance system for the procurement, mobilization inspection and use of building materials, and establish a traceability mechanism for the use of building materials to ensure that the used building materials meet the engineering design, construction technical standards and contract requirements
.
Those who issue false test reports shall bear corresponding legal liabilities
.
Those who issue false test reports shall bear corresponding legal liabilities
.
The supervision unit shall strictly implement the witness sampling system, review the quality certification materials of mobilized building materials, conduct on-site witness on the sampling and inspection of building materials, and make witness records
.
The original text is as follows: the notice of Zhejiang Provincial Department of housing and urban rural development on Further Strengthening the quality management of construction materials entering the construction site: in order to implement the spirit of the implementation opinions of the general office of Zhejiang Provincial People’s Government on improving the quality assurance system and improving the quality of construction projects (zhe Zheng Fa [2020] No
.
The quality inspection organization must carry out the inspection in strict accordance with the engineering technical specifications and inspection and test standards, and be responsible for the authenticity and accuracy of the inspection data and inspection report issued by it
.
Unqualified building materials such as “slimming reinforcement” and “illegal sea sand” are strictly prohibited from being used in the project
.
The witness sampling personnel shall be responsible for the representativeness of the sample and the authenticity of the sampling process
.
2、 Earnestly implement the main responsibilities of all parties involved in the construction of the project
.
Without the signature of the supervising engineer, building materials shall not be used in the project, and the construction unit shall not carry out the construction of the next process（ 5） The quality inspection organization must carry out the inspection in strict accordance with the engineering technical specifications and inspection and test standards, and be responsible for the authenticity and accuracy of the inspection data and inspection report issued by it
.
Click the blue word above to follow us! Introduction: on August 13, Zhejiang Provincial Department of housing and urban rural development issued a notice on Further Strengthening the quality management of construction materials entering the construction site, so as to further promote the standardization of project quality and safety and ensure the quality of construction projects in the province
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Before use, the registration, inspection, acceptance and approval procedures shall be handled according to the regulations
.
The mobilized materials must have product certificate and factory inspection report
.
All localities should earnestly implement the policy of “long-term plan and quality first”, attach great importance to the quality supervision of building materials, establish and improve the working mechanism, improve working measures, resolutely prevent unqualified building materials from flowing into construction sites, and effectively protect the safety of people’s lives and property
.
The designer shall design the concrete structure in strict accordance with relevant technical standards according to the design service life of the building project and the environmental category exposed to the concrete structure, and specify the technical indicators of building sand in the design documents according to the regulations.
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Ready mixed concrete production enterprises shall establish and improve production management system, product quality assurance system and product quality tracking system to ensure that laboratory personnel, equipment, site and management system continue to meet the professional contracting qualification standards of ready mixed concrete
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Strengthen the incoming inspection and quality control of raw materials, establish and improve the raw material procurement management system and raw material use account, and realize the traceability of raw material use
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85), To further promote the standardization of project quality and safety and ensure the quality of construction projects in our province, the notice on strengthening the quality management of construction materials entering the construction site is as follows: first, fully understand the importance of quality management of construction materials
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Before use, the registration, inspection, acceptance and approval procedures shall be handled according to the regulations, and can be used only after passing the inspection; Unqualified building materials found shall be marked immediately and returned in time, and shall not be used
.
