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National Standard of the People's Republic of China
Residential Building Design Code
GBJ96—86
Engineering Construction Standard Full Text Information System
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National Standard of the People's Republic of China
Residential Building Design Code
96—86
Editing Department: Ministry of Urban and Rural Construction and Environmental Protection of the People's Republic of ChinaApproving Department: State Planning Commission of the People's Republic of ChinaEffective Date: 1
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Notice on Issuing "Residential Building Design Code" Planning Standard [1986] No. 1771
According to the notification requirements of the former State Construction Commission (81) Jianfa Shezi No. 546, the "Residential Building Design Code" edited by the Ministry of Urban and Rural Construction and Environmental Protection has been reviewed by relevant departments. The "Residential Building Design Code" GBJ96-86 is hereby approved as a national standard, which will be implemented from July 1, 1987.
This standard is managed by the Ministry of Urban and Rural Construction and Environmental Protection, and its specific interpretation and other work are the responsibility of the China Building Standard Design Institute. The publication and distribution is organized by the Basic Construction Standard and Quota Research Institute of our Commission.
State Planning Commission
September 22, 1986
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Preparation Instructions
This code is compiled by the China Building Standard Design Institute in conjunction with relevant units in accordance with the notice of the former State Construction Commission (81) Jianfa Shezi No. 546. During the compilation process, we followed the national policies and guidelines on housing construction, conducted extensive investigations and research, collected a large number of drawings and materials, conducted necessary scientific tests, and drew on the experience and scientific research results of urban housing design in my country in recent years, and referred to relevant foreign materials. At the same time, we widely solicited opinions from relevant units across the country, and finally the draft was finalized by the relevant departments.
This specification is divided into four chapters and two appendices. The main contents are: general principles, indoor design, common parts, indoor environment and building equipment. In view of the fact that this specification is compiled for the first time, in the process of implementation, we hope that all units will combine engineering practice, conscientiously summarize experience and accumulate materials. If you find that there is a need for modification and enrichment, please send your opinions and relevant materials to our China Building Standard Design Institute (No. 19, Chegongzhuang Street, Xiwai, Beijing) for reference in future revisions. Ministry of Urban and Rural Construction and Environmental Protection
July 1986
Engineering Construction Standards Full Text Information System
Engineering Construction Standards Full Text Information System
Chapter 1
Chapter 2
Indoor Design
Section 1
Section 2
Section 3
Section 4
Section 5
Section 6
Section 7
Section 8
Section 9
Bedrooms, living rooms and hallways
Bathrooms and toilets
Area calculation
Story height and clear height
Aisles, storage spaces and indoor stairs
Chapter 3
Common parts
Section 1
Section 2
Section 3
Section 4||tt| |Section 5
Stairs and elevators
Corridors and entrances and exits·
Garbage pipes
Basements and semi-basements
Attached public rooms
Chapter 4 Indoor environment and building equipment
Section 1 Indoor environment
Section 2 Building equipment
Appendix 1. Glossary
Appendix 2 Explanation of terms used in this code
Additional explanation
Engineering Construction Standard Full Text Information System
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Engineering Construction Standard Full Text Information System
Chapter 1 General Provisions
Article 1·0·1 This code is formulated to ensure the quality of residential building design and to make the houses meet the basic requirements of applicability, safety, hygiene and economy. Article 1·0·2 This code applies to the design of residential buildings with 30 floors or less that are newly built, rebuilt, or expanded in towns and industrial and mining areas throughout the country. Article 1·0·3 The design of residential buildings must comply with the national policies and guidelines on residential construction and strictly implement the residential area standards stipulated by the state and local governments. Article 1·0·4 The design of residential buildings shall comply with the requirements of urban planning and residential area planning, and shall be coordinated with the surrounding environment. Article 1·0·5 The design of residential buildings shall be based on the recent use and appropriately consider the possibility of future renovation.
Article 1·0·6 The number of floors of residential buildings shall comply with the following provisions: 1. Low-rise residential buildings shall be one to three floors;
2. Multi-story residential buildings shall be four to six floors;
3. Medium and high-rise residential buildings shall be seven to nine floors; 4. High-rise residential buildings shall be ten to thirty floors. Article 1·0·7 In addition to implementing this code, the design of residential buildings shall also comply with the requirements of the relevant current national standards and specifications. Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Chapter 2
Indoor Design
Section 1 Suite Type
Article 2·1·1 Residential buildings shall be designed according to suite type. Each suite must have its own door and should be equipped with a bedroom, kitchen, bathroom and storage space. Article 2·1·2 Residential suites shall be divided into small suites, medium suites and large suites, and their usable areas shall not be less than the following provisions: 18m2 for small suites, 30m2 for medium suites and 45m2 for large suites. Section 2 Bedrooms, Living Rooms and Halls
Article 2·2·1 Bedrooms shall not be connected to each other, and their areas shall not be less than the following provisions: 9m2 for double bedrooms, 5m2 for single bedrooms and 12m2 for bedrooms that also serve as living rooms. Article 2·2·2 Bedrooms shall have direct lighting and natural ventilation. When indirect lighting is provided through corridors, ventilation, safety and privacy requirements shall be met. Article 2·2·3 The living room shall have direct lighting and natural ventilation, and its area shall not be less than 10m2.
Article 2·2·4 The hallway may have indirect lighting, and its area shall not be less than 5m2. Section 3 Kitchen
Article 2·3·1 The kitchen area shall comply with the following provisions: 1. The kitchen using pipeline gas or liquefied petroleum gas as fuel shall not be less than 3.50m2;
2. The kitchen using processed coal as fuel shall not be less than 4m2; 3. The kitchen using raw coal as fuel shall not be less than 4.50m2; 4. The kitchen using firewood as fuel shall not be less than 5.50m2. Engineering Construction Standard Full Text Information System
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Article 2·3·2 The kitchen shall be equipped with stoves, sinks, counters, fixed cupboards (or shelves, walls) and other equipment or reserve their locations. Article 2·3·3 The net width of a kitchen with equipment arranged on one side shall not be less than 1.40m, and the net width of a kitchen with equipment arranged on two sides shall not be less than 1.70m. Article 2·3·4 Wall-mounted kitchens must use electricity or piped gas, and should be equipped with mechanical smoke exhaust devices. The stove part should have fire safety measures, and its depth should not be less than 0.50m.
Article 2·3·5 The kitchen should have an external window or a window opening to the corridor. Article 2·3·6 Kitchens that use raw coal or firewood as fuel and kitchens that use processed coal in severe cold and cold areas must be equipped with smoke diagrams. The smoke window should prevent smoke from reflux and accumulation.
Article 2·3·7 A space for an exhaust hood should be reserved on the kitchen stove. Ventilation ducts or other ventilation measures should be set up in kitchens in severe cold and cold areas. Section 4 Bathrooms and Toilets
Article 2·4·1 Each residential unit should have a bathroom. The area of bathrooms and toilets should not be less than the following regulations:
1. Bathrooms with outward-opening doors
2. Bathrooms with inward-opening doors 2.00m;
3. Bathrooms with outward-opening doors 1.10m2;
4. Bathrooms with inward-opening doors 1.30m2.
Article 2·4·2 When arranging a washing machine in a bathroom, the corresponding area should be increased, and water supply, drainage facilities and single-phase three-hole sockets should be installed. Article 2·4·3 Bathrooms and toilets should not be located on the upper floors of bedrooms, living rooms and kitchens. If it must be installed, its sewer pipes and water traps shall not be exposed indoors, and reliable waterproofing, sound insulation and easy maintenance measures shall be provided. Article 2·4·4 Bathrooms and toilets without ventilation windows must be equipped with ventilation ducts, and air intake and exhaust must be organized.
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Section 5 Area Calculation
Article 2·5·1 The design of residential buildings shall calculate the average building area of each unit and the usable area coefficient, and the calculation shall comply with the following provisions: 1. The average building area of each unit (m2/unit) is equal to the total building area (m2) divided by the total number of units (units);
2. The usable area coefficient (%) is equal to the total usable area within the unit (m) divided by the total building area (m2).
The calculation of the usable area of a suite shall comply with the following provisions: Article 2·5·2
1. The usable area of a suite includes the sum of the areas of the bedrooms, living rooms, halls, corridors, kitchens, bathrooms, toilets, storage rooms, closets and other separate doors; 2. The indoor stairs in a split-level house are included in the usable area according to the sum of the areas of the natural floors;
3. Smoke diagrams, ventilation ducts and pipe shafts not included in the structural area are all included in the usable area;
4. The thickness of the interior wall decoration is included in the usable area. Section 6 Floor Height and Clear Height
Article 2·6·1 The floor height of a residential building shall not be higher than 2.80m. Article 2·6·2 The clear height of bedrooms and living rooms shall not be less than 2.40m, and the partial clear height shall not be less than 2m.
Article 2·6·3 When using the space in the sloping roof as a bedroom, the net height of half of the area should not be less than 2.10m, and the lowest height of the remaining part should not be less than 1.5m. Article 2·6·4 The net height of the kitchen should not be less than 2.20m, and the net height of the bathroom, toilet and storage room should not be less than 2m.
Article 2·6·5 When using a toilet in the bathroom, the net height of the ground where it is located from the upper water trap should not be less than 1.90m. Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Section 7 Balcony
Article 2·7·1 Each residential unit should have a balcony or platform, and an enclosed balcony should be set up in cold areas. Each unit on the ground floor of a low-rise or multi-story residential building should have a small courtyard. Article 2·7·2 The balcony railing design should prevent children from climbing. The clearance between vertical bars should not be greater than 0.11m. Where flower pots are placed, anti-falling measures must be taken. Article 27.3 The height of balcony railings in low-rise and multi-story residential buildings should not be less than 1m; the height of balcony railings in medium-rise and high-rise residential buildings should not be less than 1.10m. Balconies in medium-rise and high-rise residential buildings and residential buildings in severe cold areas should adopt solid railings. Article 2.7.4 Balconies in medium-rise and high-rise residential buildings and balconies above entrances and exits should have organized drainage. Balconies in multi-story residential buildings in warm and hot areas should have organized drainage.
Article 2.7.5 Balconies should be equipped with facilities for drying clothes. The top balcony should be equipped with rain covers. The connecting balconies between each set of residential buildings should be equipped with partitions. Section 8 Aisles, storage space and indoor stairs Article 2.8.1 The net width of the aisle leading to the bedroom and living room should not be less than 1m. The net width of the aisle leading to the auxiliary room should not be less than 0.80m. The dimensions of the aisle at the corner should be convenient for moving furniture.
Article 2.8.2 Each residential building should have storage space. The net height of the wall cabinet should not be less than 0.35m. The net depth of the wall cabinet should not be less than 0.45m. Moisture-proof and anti-condensation measures should be taken inside the wall cabinets against the exterior wall, bathroom and toilet. Article 2·8·3 The net width of the staircase of the indoor staircase should not be less than 0.75m when one side is open; when both sides are walls, it should not be less than 0.90m. Article 2·8·4 The width of the steps of the indoor staircase should not be less than 0.22m, and the height should not be greater than 0.20m. The width of the fan-shaped steps at 0.25m inside should not be less than 0.22m
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Section 9 Doors and Windows
Article 2·9·1 When the height of the window sill of the external window is less than 0.80m from the floor, protective measures should be taken, and there is no such limit if there is a balcony outside the window. Article 2·9·2 For ground floor exterior windows and balcony doors, windows facing corridors and roofs, where the window sill height is less than 2m, protective measures should be taken. Article 2·9·3 Windows facing corridors should avoid visual interference. Windows opening to corridors should not hinder traffic.
Article 2·9·4 Household doors should open inwards, and defensive measures should be taken in their structure.
Article 2·9·5 The minimum size of door openings in various parts should comply with the provisions of Table 2·9·5.
Minimum size of door openings in various parts
Shared exterior doors
Bathroom and toilet doors
Door opening width (m)
Table 2·9·5
Door opening height (m)
Note: When bathrooms and toilets use steel door frames or sliding doors, the door opening width can be 0.60m. Engineering Construction Standard Full Text Information System
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Chapter 3
Common Parts
Section 1 Stairs and Elevators
Article 3·1·1 The staircase should have natural lighting and natural ventilation. When it cannot be met due to the restrictions of the plane layout, artificial lighting and ventilation and smoke exhaust measures should be taken. Article 3·1·2 The net width of the staircase should not be less than 1.10m. In unit-type residential buildings with six floors or less, the net width of the staircase with a handrail on one side may not be less than 1m. Note: The net width of the staircase refers to the horizontal distance from the wall to the center line of the handrail. Article 3·1·3 The width of the staircase step should not be less than 0.25m, and the height of the step should not be greater than 0.18m. The height of the handrail should not be less than 0.90m. Article 3·1·4 The net width of the staircase platform should not be less than the net width of the staircase, and shall not be less than 1.10m. The vertical height from the lower edge of the structure of the staircase platform to the pedestrian walkway should not be less than 2m.
Note: The net width of the stair platform refers to the horizontal distance from the outer edge of the wall protrusion to the midline of the handrail. Article 3·1·5 When the width of the stairwell is greater than 0.20m, measures must be taken to prevent children from climbing and sliding.
Article 3·1·6 Residential buildings with seven floors or more, or residential buildings where the height of the highest resident entrance floor is more than 16m from the indoor floor of the bottom floor, should be equipped with elevators. Note: ① When the middle floor of the residential building has a direct entrance and exit to the outdoor ground, the number of floors is calculated from that floor; ② When the residential entrance and exit floor is located on the roof platform of the public room at the bottom of the building and has an evacuation passage, the number of floors is calculated from that floor;
The top floor is a two-story split-level residence, and its split-level part is not counted in the number of floors. Article 3·1·7 For high-rise residential buildings with twelve floors or more, each building should be equipped with no less than two elevators.
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W.bzsosO.cO80m. The dimensions of the corridor at the corners should be convenient for moving furniture.
Article 2·8·2 Each residence should have storage space. The net height of the wall cabinet should not be less than 0.35m. The net depth of the wall cabinet should not be less than 0.45m. Moisture-proof and condensation-proof measures should be taken inside the wall cabinets near the exterior wall, bathroom and toilet. Article 2·8·3 The net width of the indoor staircase should not be less than 0.75m when one side is open to the air; it should not be less than 0.90m when both sides are walls. Article 2·8·4 The step width of the indoor staircase should not be less than 0.22m and the height should not be greater than 0.20m. The width of the fan-shaped step at 0.25m inside should not be less than 0.22m
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Section 9 Doors and Windows
Article 2·9·1 When the height of the window sill of the external window is less than 0.80m from the floor, protective measures should be taken. This is not limited to balconies outside the windows. Article 2·9·2 For ground floor external windows and balcony doors, windows facing corridors and roofs, if the window sill height is less than 2m, protective measures should be taken. Article 2·9·3 Windows facing corridors should avoid visual interference. Windows opening to corridors should not hinder traffic.
Article 2·9·4 Doors should open inwards, and defensive measures should be taken in the structure.
Article 2·9·5 The minimum size of door openings in various parts should comply with the provisions of Table 2·9·5.
Minimum size of door openings in various parts
Shared external doors
Bathroom and toilet doors
Width of door opening (m)
Table 2·9·5
Height of door opening (m)
Note: When bathroom and toilet use steel door frames or sliding doors, the width of the door opening can be 0.60m. Engineering Construction Standard Full Text Information System
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Chapter 3
Shared Parts
Section 1 Stairs and Elevators
Article 3·1·1 Staircases should have natural lighting and natural ventilation. When it cannot be met due to the restrictions of the plane layout, artificial lighting and ventilation and smoke exhaust measures should be taken. Article 3·1·2 The net width of the staircase should not be less than 1.10m. In unit-type residential buildings with six floors or less, the net width of the staircase with a railing on one side may not be less than 1m. Note: The net width of the staircase refers to the horizontal distance from the wall to the center line of the handrail. Article 3·1·3 The width of the stair tread should not be less than 0.25m, and the height of the stair tread should not be greater than 0.18m. The height of the handrail should not be less than 0.90m. Article 3·1·4 The net width of the stair platform should not be less than the net width of the staircase, and must not be less than 1.10m. The vertical height from the lower edge of the structure of the stair platform to the pedestrian walkway should not be less than 2m.
Note: The net width of the stair platform refers to the horizontal distance from the outer edge of the wall protrusion to the center line of the handrail. Article 3·1·5 When the width of the stairwell is greater than 0.20m, measures must be taken to prevent children from climbing and sliding.
Article 3·1·6 Elevators should be installed in residential buildings with seven floors or more, or in residential buildings where the height of the floor of the highest resident entrance level is more than 16m from the indoor floor of the ground floor. Note: ① When the middle floor of a residential building has a direct entrance to the outdoor ground, the number of floors is calculated from that floor; ② When the residential entrance and exit floor is located on the roof platform of the public room at the bottom of the building and has an evacuation passage, the number of floors is calculated from that floor;
The top floor is a two-story split-level residential building, and the split-level part is not counted as a floor. Article 3·1·7 For high-rise residential buildings with 12 floors or more, each building shall be equipped with no less than two elevators.
Engineering Construction Standard Full Text Information System
W.bzsosO.cO80m. The dimensions of the corridor at the corners should be convenient for moving furniture.
Article 2·8·2 Each residence should have storage space. The net height of the wall cabinet should not be less than 0.35m. The net depth of the wall cabinet should not be less than 0.45m. Moisture-proof and condensation-proof measures should be taken inside the wall cabinets near the exterior wall, bathroom and toilet. Article 2·8·3 The net width of the indoor staircase should not be less than 0.75m when one side is open to the air; it should not be less than 0.90m when both sides are walls. Article 2·8·4 The step width of the indoor staircase should not be less than 0.22m and the height should not be greater than 0.20m. The width of the fan-shaped step at 0.25m inside should not be less than 0.22mbzxZ.net
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Section 9 Doors and Windows
Article 2·9·1 When the height of the window sill of the external window is less than 0.80m from the floor, protective measures should be taken. This is not limited to balconies outside the windows. Article 2·9·2 For ground floor external windows and balcony doors, windows facing corridors and roofs, if the window sill height is less than 2m, protective measures should be taken. Article 2·9·3 Windows facing corridors should avoid visual interference. Windows opening to corridors should not hinder traffic.
Article 2·9·4 Doors should open inwards, and defensive measures should be taken in the structure.
Article 2·9·5 The minimum size of door openings in various parts should comply with the provisions of Table 2·9·5.
Minimum size of door openings in various parts
Shared external doors
Bathroom and toilet doors
Width of door opening (m)
Table 2·9·5
Height of door opening (m)
Note: When bathroom and toilet use steel door frames or sliding doors, the width of the door opening can be 0.60m. Engineering Construction Standard Full Text Information System
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Chapter 3
Shared Parts
Section 1 Stairs and Elevators
Article 3·1·1 Staircases should have natural lighting and natural ventilation. When it cannot be met due to the restrictions of the plane layout, artificial lighting and ventilation and smoke exhaust measures should be taken. Article 3·1·2 The net width of the staircase should not be less than 1.10m. In unit-type residential buildings with six floors or less, the net width of the staircase with a railing on one side may not be less than 1m. Note: The net width of the staircase refers to the horizontal distance from the wall to the center line of the handrail. Article 3·1·3 The width of the stair tread should not be less than 0.25m, and the height of the stair tread should not be greater than 0.18m. The height of the handrail should not be less than 0.90m. Article 3·1·4 The net width of the stair platform should not be less than the net width of the staircase, and must not be less than 1.10m. The vertical height from the lower edge of the structure of the stair platform to the pedestrian walkway should not be less than 2m.
Note: The net width of the stair platform refers to the horizontal distance from the outer edge of the wall protrusion to the center line of the handrail. Article 3·1·5 When the width of the stairwell is greater than 0.20m, measures must be taken to prevent children from climbing and sliding.
Article 3·1·6 Elevators should be installed in residential buildings with seven floors or more, or in residential buildings where the height of the floor of the highest resident entrance level is more than 16m from the indoor floor of the ground floor. Note: ① When the middle floor of a residential building has a direct entrance to the outdoor ground, the number of floors is calculated from that floor; ② When the residential entrance and exit floor is located on the roof platform of the public room at the bottom of the building and has an evacuation passage, the number of floors is calculated from that floor;
The top floor is a two-story split-level residential building, and the split-level part is not counted as a floor. Article 3·1·7 For high-rise residential buildings with 12 floors or more, each building shall be equipped with no less than two elevators.
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