The railings of residential buildings, nurseries, kindergartens, primary and secondary schools and other special places for children and children must be constructed to prevent climbing.
When vertical bars are used as railings, the net spacing between bars shall not be greater than 0.11m& The latest provisions of GB55031-2022 General Code for Civil Buildings: 6.6.3 The railing in the special activity places for children and adolescents shall take anti climbing measures.
Code for Calculation of Building Area of Building Engineering GB/T50353-2013:3.0.1 The building area of a building shall be calculated as the sum of the horizontal areas of the periphery of the natural floor exterior wall structure.
Article 6.8.6 of Article 6.8.6 is repealed.
Except for arcade, building connector, subway related facilities and municipal public facilities such as pipelines, pipe trenches and pipe racks connecting cities, buildings and their ancillary facilities shall not protrude from the right of way or the right of way: 1.
outside the main structure shall be calculated according to the corresponding provisions.
4.2.2 Except for the entrances and exits of basements and underground garages, as well as window wells, steps, ramps, awnings, cornices and other facilities, the main body of buildings (structures) shall not protrude from the building control line.
2、 The original provisions on building height (which are not mandatory provisions, but may fall into the category of “if the relevant provisions in the current engineering construction standards are inconsistent with this specification, the provisions in this specification shall prevail”, and shall be repealed): the latest provisions in the General Code for Civil Buildings (GB55031-2022): III.
4.2.3 The arcade, building connector and overhanging buildings along the right of way shall not affect the traffic, environmental protection and fire safety.
The clear height of the upper and lower gangways of the stair platform shall not be less than 2.0m, and the clear height of the stair flight shall not be less than 2.2m& The latest provisions of GB55031-2022 General Code for Civil Buildings: 5.3.7 The clear height of the upper and lower gangways of the rest platform of public stairs shall not be less than 2.00m, and the clear height of the stair flight shall not be less than 2.2m.
According to “In case of any inconsistency between the relevant provisions of the current engineering construction standards and this specification, the provisions of this specification shall prevail”, the Code for Calculation of Building Area of Building Engineering GB/T50353-2013 is also within the scope of this specification.
Underground facilities shall include supporting piles, diaphragm walls, basement floors and their foundations, septic tanks, various pools, treatment tanks, sedimentation tanks and other structures and other ancillary facilities; 2.
At the same time, the following mandatory provisions related to current engineering construction standards will be abolished…
Article 3.0.1 Calculation of building area: the building space formed in the main structure shall be calculated according to the provisions of this article if it meets the requirements for calculating the floor height of the structure.
If the structural storey height is 2.20m or above, the total area shall be calculated; 1/2 area shall be calculated if the structural floor height is less than 2.20m.
4.
There is no provision on building area in the original Standard for Building Area, The main provisions are in accordance with Code for Calculation of Building Area of Building Engineering GB/T50353-2013 (hereinafter referred to as “Code for Calculation of Area”).
The General Code for Civil Buildings is now approved as a national standard, numbered GB55031-2022, and will be implemented as of March 1, 2023.
The above ground facilities shall include vestibules, corridors, balconies, outdoor staircases, bay windows, air-conditioning stands, awnings, overhanging eaves, decorative frameworks, fixed sun visors, steps, ramps, flower beds, fences, platforms, open aprons, air inlets and outlets of basements, entrances and exits of basements, collecting wells, daylighting wells, chimneys, etc& The latest provisions of GB55031-2022 General Code for Civil Buildings: 4.2 Building control 4.2.1 Except for building connectors, subway related facilities, pipelines, pipe trenches, pipe galleries and other municipal facilities, buildings and their ancillary facilities shall not protrude from the right of way or the right of way.
The building area of outdoor balconies, awnings, canopies, outdoor corridors, outdoor staircases, etc.
3.
In case of any discrepancy between the relevant provisions of the current engineering construction standards and this specification, the provisions of this specification shall prevail.
When the external wall structure itself is unequal in thickness within a floor height range, it is calculated by the peripheral horizontal area of the floor structure elevation..
When the clear width of stairwell is greater than 0.2m, measures must be taken to prevent children from falling& The latest provisions of GB55031-2022 General Code for Civil Buildings: 5.3.11 When the clear width of the public stairwell in the special playground for children is greater than 0.2m, measures should be taken to prevent children from falling.
This specification is a mandatory engineering construction specification, and all provisions must be strictly implemented.
Articles 4.3.1, 6.7.4, 6.8.6 and 6.8.9 of the Unified Standard for Design of Civil Buildings (hereinafter referred to as the “Standard”) GB50352-2019 are repealed· Abolishs 4.3.1 of Article 4.3.1.
When vertical bars are used as the railing, the net spacing of the bars shall not be greater than 0.11m.
Article 6.8.9 6.8.9 nursery, kindergarten, primary and secondary school and other special activity places for children shall be repealed.
2.
Click the blackboard: the national standard General Code for Civil Buildings GB55031-2022 is mandatory in full text, and will be implemented from March 1, 2023! Don’t ask: Are the specifications of the Ministry of Housing and Urban Rural Development still implemented? This is the national standard! Don’t ask: Is the Code for Calculation of Building Area of Building Engineering GB/T50353-2013 still valid? Is the specification with T (recommended) still available? This is full text mandatory! Don’t ask: Are only four mandatory provisions of the Unified Standard for Design of Civil Buildings GB50352-2019 repealed? Is it OK to just compare these four items? 1、 The original mandatory provisions are abolished, and the new specification is mandatory in full.
Article 6.7.4 6.7.4 of Article 6.7.4 shall be repealed.