Can you get through the upper and lower floors?

The floor belongs to the main structure of the house, and it is strictly forbidden to be damaged during the decoration construction. Please refer to the following relevant standard terms for details:

1, article 3.3.4 of the national standard "GB502 10-200 1" clearly stipulates that "it is strictly forbidden to change the main body, load-bearing structure or main functions of the building in violation of the design documents during the construction of the building decoration project; Without the design confirmation and the approval of relevant departments, it is strictly forbidden to dismantle and change supporting facilities such as water, heating, electricity, gas and communication. "

2. The following clauses of the national standard "GB50327-200 1 Code for Construction of Residential Decoration Engineering" also clearly stipulate "3. 1.3. During construction, it is forbidden to damage the original thermal insulation facilities of the house; It is forbidden to damage the steel bar; It is strictly prohibited to overload stacked items; It is forbidden to drill holes and install embedded parts on precast concrete hollow floor. 3. 1.4. During the construction period, it is forbidden to change the main building without authorization. Load-bearing structure or change the main function of the room; It is strictly forbidden to dismantle or change supporting facilities such as gas, heating and communication without authorization. "

Extended data:

The following acts are prohibited in residential interior decoration activities:

(a) without the consent of the original design unit or the design unit with corresponding qualification grade, changing the main body and load-bearing structure of the building without authorization;

(2) Changing rooms or balconies without waterproof requirements into bathrooms and kitchens;

(3) expanding the original size of doors and windows of the load-bearing wall and removing the brick-concrete wall connected with the balcony;

(four) damage to the original energy-saving facilities of the house, reducing the energy-saving effect;

(five) other acts that affect the safety of building structure and use.

The term "building subject" as mentioned in these Measures refers to the structural structure of building entities, including roofs, floors, beams, columns, supports, walls, connecting nodes and foundations.

The term "load-bearing structure" as mentioned in these Measures refers to the main structural members and their connecting nodes that directly transfer their own weight and various external forces to the foundation, including load-bearing walls, uprights, columns, frame columns, piers, floors, beams, roof trusses and suspension cables.

References:

Baidu Encyclopedia-Measures for the Administration of Residential Interior Decoration