Housing Building Code, National Housing Building Code Standards

Summary. General Provisions 1 0 1 In order to implement the national technical and economic policies, promote sustainable development, and standardize the basic functions and performance requirements of housing, this specification is formulated in accordance with relevant laws and regulations. 1 0 2 This specification applies to the construction, use and maintenance of urban dwellings.

1 0 3 Residential construction should be adapted to local conditions, save resources, protect the environment, be applicable, economical, beautiful, and meet the requirements of energy saving, land saving, water saving, and material saving.

General Provisions 1 0 1 In order to implement the national technical and economic policies, promote sustainable development, and standardize the basic functions and performance requirements of housing, this code is formulated in accordance with relevant laws and regulations. 1 0 2 This specification applies to the construction, use and maintenance of urban dwellings. 1 0 3 The construction of the house should be adapted to local conditions, save resources, protect the environment, and be applicable, economical, and beautiful, and meet the requirements of energy saving, land saving, water saving, and material saving.

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Summary. Hello dear kiss, (1) Entrance door inspection.

1. Inspection standards.

1) The surface of the door should be clean, and there should be no scratches or bruises;

2) The corners and joints of the door should be tight and smooth;

3) The gap between the door and the wall should be filled;

4) The allowable deviation of door production: the allowable deviation of the door frame warpage is 3mm, and the allowable deviation of the door leaf warpage is 2mm; The surface flatness of the door leaf allowable deviation is 2mm; The allowable deviation of the diagonal length of the door frame is 3mm;

5) The limit and allowable deviation of the door installation: the width of the door leaf to the mouth seam, the door leaf and the door frame vertical seam is;

6) The width of the gap between the entrance door of the rough house and the ground should not be less than;

National Housing Building Code Standards.

Hello dear, (1), there is no door inspection 1, inspection standards (1) The surface of the door should be clean, and there should be no scratches or bruises; 2) The corners and joints of the door should be tight and smooth; 3) The gap between the door and the wall should be filled; 4) The allowable deviation of door production: the allowable deviation of the door frame warpage is 3mm, and the allowable deviation of the door leaf warpage is 2mm; The surface of the door leaf is flat and the allowable deviation of the neutral degree is 2mm; The allowable deviation of the diagonal length of the door frame is 3mm; (5) The limit value and allowable deviation of the door installation seam: the width of the door leaf to the mouth seam, the vertical seam between the door leaf and the door frame; 6) The width of the gap between the entrance door of the rough house and the ground should not be less than;

2. The owner's questions and explanations The owner will generally check the following aspects of the entrance door: (1) Door frame inspection: whether the door frame is installed firmly and flat, whether the door frame and the wall are tightly sealed, and the surface of the door frame has no abnormal burrs, cracks, damage, etc.; (2) Door leaf inspection:

Whether the door leaf is deformed or cracked; Whether the appearance of the topcoat is intact and whether the surface is smooth; Whether there are obvious scratches, snorts, and whether the ground is considered to be reserved for ground decoration practices; (3) door lock inspection: whether the door lock is firmly installed, whether the key insertion and unplugging is smooth, whether the lock cylinder rotates freely, whether the lock tongue is stable in all directions, and whether the position of the lock hole is normal; (4) Opening inspection: whether the door is opened and closed smoothly, whether there is abnormal resistance and wear, and whether the door is shaking after locking; (5) Doorknob inspection:

Whether the installation is firm, whether there is abnormal resistance during rotation, and whether there is defect or deformation on the surface; (6) Sealing inspection: whether the door leaf is within the seam.

2. According to the content: design standards, construction and acceptance standards, and construction quotas. 3. Classification by attributes:

Technical standards, management standards, work standards.

Legal basis: Regulations on the Quality Management of Construction Projects

Article 25 The construction unit shall obtain the corresponding level of qualification certificate in accordance with the law, and undertake the project within the scope permitted by its qualification level. It is forbidden for the construction unit to exceed the business scope permitted by the qualification level of the unit or to contract the project in the name of other construction units. It is forbidden for the construction unit to allow other units or individuals to contract the project in the name of the unit.

The construction unit shall not subcontract or illegally subcontract the project.

Article 26 The construction unit shall be responsible for the construction quality of the construction project. The construction unit shall establish a quality responsibility system and determine the project manager, technical person in charge and construction management person in charge of the project. If the construction project is contracted generally, the general contractor shall be responsible for the quality of all construction projects; If one or more of the survey, design, construction and equipment procurement of construction projects are subject to general contracting, the general contractor shall be responsible for the quality of the construction projects contracted or the equipment purchased.

Article 27 Where the general contractor subcontracts a construction project to another unit in accordance with the law, the subcontractor shall be responsible to the general contractor for the quality of the subcontracted project in accordance with the provisions of the subcontract, and the general contractor and the subcontractor shall be jointly and severally liable for the quality of the subcontracted project.

Article 28 The construction unit must construct in accordance with the engineering design drawings and construction technical standards, and shall not modify the engineering design without authorization, and shall not cut corners. If the construction unit finds that there are errors in the design documents and drawings during the construction process, it shall put forward opinions and suggestions in a timely manner.