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Delivery: <= 9 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 55031-2022: (General Code for Civil Buildings) Status: Valid
Basic dataStandard ID: GB 55031-2022 (GB55031-2022)Description (Translated English): (General Code for Civil Buildings) Sector / Industry: National Standard Word Count Estimation: 78,753 Date of Issue: 2022-07-15 Date of Implementation: 2023-03-01 Issuing agency(ies): Ministry of Housing and Urban-Rural Development of the People's Republic of China; State Administration for Market Regulation GB 55031-2022: (General Code for Civil Buildings)---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.1 General 1.0.1 This specification is formulated to standardize the basic dimensions, technical requirements and general technical measures of the spaces and parts of civil buildings. 1.0.2 Civil buildings must implement this code. 1.0.3 The construction, use and maintenance of civil buildings should follow the following basic principles. 1.In accordance with the principle of sustainable development, the relationship between people, buildings and the environment should be correctly handled, and a reasonable space matching the function of use should be constructed; 2 The policy requirements of energy saving, land saving, water saving, material saving and environmental protection shall be implemented; 3 It should be in harmony with the environment, reflecting the characteristics of the times and regional culture. 1.0.4 Whether the technical methods and measures adopted in the project construction meet the requirements of this specification shall be judged by the relevant responsible parties. Among them, innovative technical methods and measures should be demonstrated and meet the performance requirements in this specification. 2 Basic regulations2.1 Functional requirements 2.1.1 The construction of civil buildings should follow the principles of safety, sanitation, health, and comfort, and provide reasonable use space for social activities such as people's life, work, and communication. The use space should meet the basic requirements of ergonomics. 2.1.2 The location of civil buildings should meet the safety requirements. 2.1.3 Residential buildings should guarantee the safety and privacy of the occupants, and should meet the requirements for lighting, ventilation and sound insulation. 2.1.4 Public buildings such as education, office research, commercial services, public activities, transportation, medical care, and social and people's livelihood services should not only meet the space and use requirements for various activities, but also meet the requirements for transportation and personnel gathering and distribution. 2.1.5 When there is a combination of different functional places in a civil building, in addition to meeting the requirements of the above clauses, the following regulations should also be met.1 Each functional place shall not lower the basic safety and sanitation standards of other functional places2 When the functional places that produce pollution and radiation are combined with other functional places, necessary safety protection measures shall be taken; 3 When functional places with different safety levels are combined, corresponding measures to ensure the safety of each functional place shall be taken. 2.1.6 Civil buildings should be equipped with equipment and facilities that meet the needs of basic functions. 2.1.7 Civil buildings should be equipped with corresponding safety and guidance marking systems. 2.2 Performance and measures 2.2.1 Civil buildings should comprehensively adopt disaster prevention safety measures such as fire prevention, earthquake resistance, flood prevention, air defense, wind and snow resistance and lightning protection. 2.2.2 The structure of civil buildings shall meet the corresponding design working life requirements. 2.2.3 Civil buildings should meet barrier-free requirements, and facilities with barrier-free performance should be systematically coherent. 2.2.4 The indoor and outdoor decoration should not affect the safety of the building structure, and the safe and environment-friendly decoration materials should be selected. The connection between decoration materials, decorative surfaces or components and the main structure should be safe and firm. Materials and structures such as decorative surfaces, components, doors and windows of the building's exterior walls should be safe and reliable, and should meet the functional and performance requirements within the design working life, and should be regularly maintained during use to prevent falling. 2.2.5 Prefabricated buildings should adopt integrated, modularized, standardized and generalized prefabricated parts and components. 2.2.6 The outdoor public places, building spaces, building components and public equipment and facilities of civil buildings shall be regularly maintained, repaired and supervised.3 Building area and height3.1 Construction area 3.1.1 The building area shall be calculated according to the horizontal projected area of the space enclosed by the outer surface of the outer enclosure structure at each natural floor (ground) of the building. 3.1.2 The total construction area shall be calculated according to the sum of the above-ground and underground construction areas, and the above-ground and underground construction areas shall be calculated separately. 3.1.3 For the building space above the outdoor design floor, its building area shall be included in the above-ground building area; for the building space below the outdoor design floor, its building area shall be included in the underground building area. 3.1.4 For the building space of permanent structure, if there is a permanent roof, the height of the structure or the top height of the inclined structural slab is 2.20m or above, the building area shall be calculated according to the following regulations. 1 For the building space with enclosure structure and closed enclosure, it shall be calculated according to the horizontal projected area of the space enclosed by the outer surface of the enclosure structure; 2 For the unenclosed building space without enclosure, enclosed by columns, or partially enclosed by columns and columns, the calculation shall be based on the horizontal projected area of the space enclosed by the columns or the outer surface of the enclosure; 3 For the building space without enclosure structure, single row of columns or independent columns, and not closed, it shall be calculated according to 1/2 of the horizontal projected area of the top cover; 4 The building space without enclosure structure, with enclosure facilities, without columns, attached to the building enclosure structure, and not enclosed, shall be calculated according to 1/2 of the horizontal projected area of the space enclosed by the outer surface of the enclosure facilities. 3.1.5 The construction area of the balcony shall be calculated according to 1/2 of the horizontal projected area of the space enclosed by the outer surface of the enclosure; when the balcony is closed, it shall be calculated according to the horizontal projected area of the space enclosed by the outer surface of its outer enclosure. 3.1.6 The following spaces and positions shall not be calculated for building area. 1 The building space where the height of the structural storey or the top height of the inclined structural slab is less than 2.20m; 2 The building space without roof; 3 Components (parts) attached to the building envelope; 4 The lower space of the overhanging part of the building; 5 The public transportation space in the building used for urban streets and alleys; 6 All kinds of structures independent of buildings. 3.1.7 The usable area of the functional space shall be calculated according to the horizontal projected area of the space enclosed by the inner surface of the wall of the functional space. 3.1.8 The usable area of a functional unit shall be calculated according to the sum of the usable areas of each functional space in the functional unit. 3.1.9 The building area of a functional unit shall be calculated according to the sum of the usable area of the functional unit, the horizontal projected area of the wall of the functional unit, and the area of the balcony in the functional unit. 3.2 Building height 3.2.1 The building height of a flat roof shall be calculated according to the height from the outdoor design floor to the apex of the parapet of the building, and the height of a building without a parapet shall be calculated according to the height from the apex of its roof cornice. 3.2.2 The height of the eaves and the ridge of the sloping roof shall be calculated separately. The height of the eaves shall be calculated according to the height from the outdoor design floor to the cornice or the lowest point of the sloping roof, and the height of the ridge shall be calculated according to the height from the outdoor design floor to the ridge. 3.2.3 When the same building has multiple roof forms, or multiple outdoor design floors, the building height shall be calculated separately and the maximum value shall be taken. 3.2.4 For the buildings in the technical operation control area of airports, radio and television, telecommunications, microwave communications, meteorological stations, satellite ground stations, military forts and other facilities and within the control range of airport routes, the building height should be in accordance with the outdoor design floor of the building to the building height. (Structure) calculation of the highest point of the building. 3.2.5 For historic buildings, buildings in the protection planning areas of famous historical and cultural cities, towns and villages, historical and cultural blocks, cultural relics protection units, scenic spots, and nature reserves, the building height shall be in accordance with the outdoor design floor to building (structure)) calculation of the highest point of the building. 3.2.6 For buildings other than those specified in Article 3.2.4 and Article 3.2.5 of this code, if the total area of roof equipment rooms and other partially protruding roof rooms does not exceed 1/4 of the roof area, it shall not be included in the construction high. 3.2.7 The indoor clear height of the building shall meet the minimum requirements for the clear height of various types of functional places, and the indoor clear height of the lowest place where there are normal activities of personnel such as the basement, partial mezzanine, public walkway, building refuge area, and overhead floor shall not be less than 2.00m.4 Building Outdoor Site4.1 Environment and site 4.1.1 Civil buildings should combine the characteristics of the local natural environment, make intensive use of resources, and strictly control their adverse impact on the ecological environment. 4.1.2 The air, soil and water in the surrounding environment of the building shall not pose a hazard to human health. Effective measures should be taken to control the polluted construction sites, and the soil environmental quality requirements for construction land should be met. 4.1.3 During the construction and use of buildings, measures to control noise, vibration, glare and other pollution should be taken, and the generated waste, waste gas, waste water and other pollutants should be properly disposed of. 4.1.4 The distance between buildings and hazardous chemicals, flammable and explosive materials and other hazards shall meet the relevant safety regulations. 4.1.5 The construction site shall meet the following requirements. 1 Reliable flood and waterlogging prevention measures should be taken for sites with flood threats; 2 When the elevation of the site is lower than that of the municipal road, there shall be measures to prevent passenger water from entering the site; 3 The design elevation of the site should be higher than the maximum groundwater level in all years. 4.1.6 The construction base of densely populated public buildings shall meet the following requirements. 1 The entrance and exit of the building base shall meet the requirements for safe evacuation of personnel; 2 A personnel gathering and distributing place should be set up in front of the main entrance and exit of the building, and its area, length and width should be determined according to the nature of use and the number of people; 3 The green space, parking lot (space) or other structures set up in the building base shall not cause obstacles to the gathering and dispersing of people. 4.2 Building Controls 4.2.1 Except for building connectors, subway-related facilities, pipelines, pipe trenches, pipe galleries and other municipal facilities, buildings and their auxiliary facilities should not highlight the red line of the road or the red line of the land. 4.2.2 Except for the entrances and exits of basements and underground garages, as well as window wells, steps, ramps, awnings, overhanging eaves and other facilities, the main body of the building (structure) should not protrude from the building control line. 4.2.3 Arcade buildings, building connectors, cantilevered buildings along the red line of the road, etc. shall not affect traffic, environmental protection and fire safety. 4.3 Base road 4.3.1 The road system in the construction base shall be smooth and convenient, ensure the traffic safety of vehicles and pedestrians, and shall meet the requirements of fire rescue and barrier-free passage. 4.3.2 The building base road should be connected with the external road. 4.3.3 A buffer section shall be set between the entrance and exit of the motor vehicle garage in the building base and the connecting road. 4.3.4 The location of motor vehicle entrances and exits on the construction base shall meet the following requirements. 1 It should not be directly connected to the urban expressway; 2 The distance from the nearest edge of the entrances and exits of surrounding primary and secondary schools and kindergartens should not be less than 20.0m 3 There should be a good line of sight, and there should be no obstacles blocking the line of sight within the driving line of sight. 4.3.5 The setting of roads in the building base shall meet the following requirements. 1 Speed-limiting facilities should be set up at the joints between roads in the base and urban roads, and the roads should be able to reach the main entrances and exits of buildings; 2 When the motor vehicle road changes direction, the roadside greening and buildings shall meet the requirements for the effective sight distance for driving. 4.3.6 Motor vehicle roads in the construction base shall meet the following requirements. 1 The width of a single lane shall not be less than 3.0m, and shall not be less than 4.0m when it doubles as a fire lane; 2 The width of the double lane should not be less than 6.0m 3 When the length of the end-type road is greater than 120m, a return field shall be provided. 4.4 Site Pavement and Water Body 4.4.1 Hard pavements such as sidewalks and squares in the site shall ensure the safety of personnel passing, and the surface of the pavement shall be non-slip. 4.4.2 The plaza where vehicles are allowed to pass shall meet the requirements for driving, parking and loading of vehicles, and the ground paving surface shall be flat, non-slip and wear-resistant. 4.4.3 When the water depth within 2.0m near the shore of the artificial water body is greater than 0.50m, safety protection measures shall be taken. 4.5 Structures and facilities 4.5.1 The polluting air outlets of underground garages and basements should not face the openable external windows or air intakes of adjacent buildings; when the distance between the air outlet and the personnel activity place is less than 10m, The height from the bottom to the floor of the personnel activity place should not be less than 2.5m. 4.5.2 When solar hot water or photovoltaic power generation systems, HVAC equipment, billboards, external sunshade facilities, decorative moldings and other auxiliary components or facilities are installed on buildings, safety protection measures to prevent components or facilities from falling should be taken, and The building structure and other corresponding safety requirements shall be met. 4.5.3 The domestic garbage collection station in the base shall meet the following requirements. 1 Water and sewage facilities should be configured, and the floor and walls should be made of easy-to-clean materials; 2.It should meet the requirements for classified storage of garbage; 3 A site that meets the loading and transportation requirements of garbage trucks should be set up.5 General space of the building5.1 Access 5.1.1 Building entrances and exits shall be set according to site conditions, building use functions, traffic organization and safety evacuation requirements, and shall be safe, smooth and convenient. 5.1.2 When floor-to-ceiling glass is used for personnel access parts such as entrances and halls, safety glass should be used, and anti-collision warning signs should be set up. 5.1.3 Measures shall be taken at the entrance and exit of the building to prevent outdoor rainwater from intruding into the room. 5.2 Steps, pedestrian ramps 5.2.1 When the total height of steps and pedestrian ramps reaches or exceeds 0.70m, protective measures shall be taken on the free surface. 5.2.2 The width of the outdoor steps at the main entrance of the building should not be less than 0.30m, and the height of the steps should not be greater than 0.15m. 5.2.3 The number of steps should not be less than 2 levels. If the number of steps is less than 2 levels, it should be set as a pedestrian ramp. 5.2.4 Anti-slip measures should be taken for the pavement surface of steps and pedestrian ramps. 5.3 Stairs, corridors 5.3.1 Stairs and corridors should be safe and smooth, and should meet the requirements of personnel passage and safe evacuation. 5.3.2 The minimum clear width of the steps of public stairs for daily traffic shall be determined according to the use characteristics of the building, according to the number of streams of people and the width of each stream of 0.55m, and shall not be less than the width of two streams of people. 5.3.3 When there is a handrail on one side of the public staircase, the clear width of the stair section shall be calculated according to the horizontal distance from the decorative surface of the wall to the center line of the handrail. When there are handrails on both sides of the public staircase, the net width of the steps shall be calculated according to the horizontal distance between the centerlines of the handrails on both sides. When there is a protrusion, the clear width of the stair section shall be calculated from the surface of the protrusion. The net distance between the edge of the handrail against the wall and the finished surface of the wall shall not be less than 40mm. 5.3.4 Handrails should be provided on at least one side of public stairs, and handrails should be provided on both sides when the clear width of the stair section reaches the width of 3 streams of people. 5.3.5 When the stairs change direction, the minimum width of the stair rest platform should not be less than the clear width of the stairs, and should not be less than 1.20m; when there is a solid wall in the middle, the clear width of the platform at the turning end of the handrail should not be less than 1.30m. The width of the middle platform of straight running stairs shall not be less than 0.90m. 5.3.6 The distance between the stairwell door and the step edge of the stairway facing (upward and downward) steps of the public staircase should not be less than 0.60m. 5.3.7 The clear height of the upper and lower aisles of the rest platform of public stairs shall not be less than 2.00m, and the clear height of the steps shall not be less than 2.20m. 5.3.8 The number of steps in each section of public stairs should not be less than 2 and should not exceed 18. 5.3.9 The minimum width and maximum height of public stair treads shall com......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 55031-2022_English be delivered?Answer: Upon your order, we will start to translate GB 55031-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 6 ~ 9 working days. 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