Order of Wuhan Municipal People’s Government
No. 248
It is hereby promulgated that the Technical Provisions of Wuhan Municipality on the Planning and Administration of Construction Projects have been adopted at the 69th Executive Meeting of Wuhan Municipal People’s Government on November 25, 2013, and shall be implemented as of April 1, 2014.
Mayor: Tang Liangzhi
January 21, 2014
Technical Provisions of Wuhan Municipality on the Planning and Administration of Construction Projects
Chapter One General Provisions
Article 1 With a view to standardizing and legalizing the planning and administration of construction projects, and ensuring smooth implementation of the city's urban and rural plans, these Provisions are formulated in accordance with the Urban and Rural Planning Law of the People's Republic of China and other laws and regulations, and in the light of the actual situation of this Municipality.
Article 2 The planning, design and administration of construction projects within the administrative areas of this Municipality shall comply with these Provisions. The technical provisions on the planning and administration of construction projects within the planning areas of towns and villages shall be enacted separately by the competent municipal administrative department of planning.
Those involving construction, fire control, civil defense, greening, lighting, seismic resistance, lightning protection, environmental protection, environmental sanitation, energy conservation, transportation, water supply, natural gas, scenic spots, heritage conservation, information network, and national security shall also conform to the relevant national technical codes.
Article 3 The municipal competent administrative department of planning shall be responsible for organizing the implementation of these Provisions.
The departments in charge of land, construction, transport, traffic administrations under the public security organs, fire control, civil defense, landscape, city administration, water, and other relevant departments shall well perform in the relevant work in line with their respective functions and duties.
Article 4 The planning and administration of construction projects shall aim to build Wuhan into a national central city, to protect the style and features of Wuhan as a famous historic and cultural city and its natural ecological pattern featuring rivers, lakes, mountains and the city to meet the general requirements of low carbon environment, resources conservation, environment-friendly, and comprehensive disaster prevention, to activate the function of urban and rural planning in leading the urban and rural construction, improving the ecological environment, and guaranteeing the public interests, to create a distinctive urban spatial form, to improve our living environment, and to achieve a healthy and sustainable development of economy and society.
Chapter Two Construction Land
Article 5 The use of construction land and the site selection of construction projects shall be based on the regulatory detailed plans and follow the principle of compatibility of land use. The nature of use of construction land shall be determined based on the regulatory detailed plans and the provisions on the compatibility of construction land.
Article 6 The use of construction land and the site selection of construction projects shall conform to the principles of intensive use and overall implementation. Except for public facilities projects, municipal infrastructure projects and the projects in any of the following circumstances, the land scale of construction projects shall also meet the requirement of minimum development unit, that is, 10,000 square meters for a residential project or 8,000 square meters for a public facilities project such as a commercial or service project:
(1) where the development and construction of the land adjacent to the same blocks has been completed, and it is impossible for extension during the planning period;
(2) where the land adjacent to the same blocks is reserved or has been classified into a land used for municipal infrastructure, public facilities or other purposes, and restricted for any expansion or incorporation of special functional control;
(3) Sporadic legitimate downtown buildings have been identified as class-D dangerous housing, without inroading the planned "five lines" (that is, red line, yellow line, blue line, green line and purple line), and the local people's governments have issued a statement for not meeting the conditions of expropriation;
(4) Stage construction has been confirmed in accordance with the approved master plans or detailed site plans; or
(5) The necessity of construction is verified by the competent administrative departments of planning.
Article 7 The land construction intensity index shall be determined according to the regulatory detailed plans and the relevant provisions on the intensity control of land construction of this city, with consideration of the requirements of urban design and special plans, and subject to technical verification.
The provisions on the intensity control of land construction of this city shall be formulated by the competent administrative departments of planning in the light of the actual situation of this Municipality.
Article 8 The site selection of construction projects shall be consistent with the urban master plan, regulatory detailed plans, special plans, unit site plans and related planning requirements, and the areas with favorable traffic and infrastructure conditions are preferred. For the construction projects in special areas, their site selection shall also meet the following requirements:
(1) In the old town with historical and cultural relics, renewal and renovation shall be carried out, with the original historical and cultural features and the spatial patterns reserved; in development control areas, the height, dimensions, colors and architectural styles of buildings shall be coordinated with the overall historical and cultural features;
(2) In the areas around lakes, mountains and rivers, attention shall be paid to the protection of natural landscape and the shaping of characteristic urban landscape, and the height, width, and distance from the green (blue) lines of new buildings neighboring these areas shall conform to the relevant provisions of this Municipality; and
(3) The construction within the basic ecological control lines demarcated under the plans shall comply with the relevant provisions on the administration of basic ecological control lines.
Article 9 The planning conditions of construction land shall include the properties of land use, land area, building density, plot ratio, floor area, building height, ratio of green space, parking facilities, public service facilities and municipal infrastructure, building setback, planned and controlled green belts, public passages, and other requirements provided in the regulatory detailed planning.
The planning conditions of residential projects shall, besides the contents provided in the preceding paragraph, also include the proportion of house types, supporting facilities of affordable housing, and other construction requirements in accordance with relevant provisions.
Article 10 The underground space development and utilization shall comply with the principles of unified planning, building for both peacetime and wartime use, comprehensive development and rational utilization, give priority to municipal infrastructure and public service facilities, and meet the requirements under the special plans for underground spaces.
In the projects involving the underground space development and utilization, the control requirements of underground spaces shall be specified, such as the dominant functions, scope of works and architectural scale, and proposals shall be made concerning the depth of construction, entrance and exit locations, interlinking approaches, and etc.
Article 11 Construction projects shall follow the principle of unified planning and construction. A stage construction which is really needed due to an earlier construction of resettlement housing or as required by the planned urban construction targets may be carried out after unified planning on the premise of meeting the following requirements:
(1) The parcels in different phases are separate, and have the conditions for development and construction;
(2) A priority is given to the construction of schools, kindergartens, retirement services, community service premises, commercial premises, property service buildings and other public service facilities, as well as municipal infrastructure; or
(3) The plot ratio, building density and other indexes of the parcels in different phases are in line with the relevant national, provincial and municipal provisions.
Article 12 A developer who has obtained two or more adjacent parcels of land may arrange unified planning and construction under the following circumstances:
(1) The planned constructions of the parcels are compatible in nature;
(2) The total construction scale does not exceed the sum of the originally approved construction scales of all parcels; or
(3) The plans for the use of these parcels are different in nature, however, the proportion of all functional floor areas after merger shall be kept the same, and the relevant control requirements shall be met.
The adjacent parcels of different developers may have unified planning and construction if an agreement is reached among the land owners; however, the indexes of the parcels shall not change.
Chapter Three Architectural Planning and Design
Article 13 The architectural interfaces of buildings adjacent to urban express roads, primary trunk roads, rivers, lakes and mountains shall be coordinated orderly, and the corridors in major ecological landscape shall be kept clear in sight.
Article 14 In centralized construction areas, the planned buildings shall vary in height to form a rich and colorful view.
The façades of residential buildings along the urban primary trunk roads and within the central business districts shall be designed with enclosed balconies like public buildings.
Article 15 The surface width of buildings shall meet the following requirements:
(1) The maximum continuous extended surface width of residential buildings with a height of 20m or below may not be greater than 80m;
(2) The maximum continuous extended surface width of residential buildings with a height of more than 20m may not be greater than 70 m;
(3) The sum of the maximum continuous extended surface widths of buildings adjacent to urban primary trunk roads and with a height of 20m and above may not be greater than 60% of the width of the side of planned land facing the roads;
(4) The sum of the maximum continuous extended surface widths of buildings adjacent to rivers and with a height of 20m and above may not be greater than 50% of the width of the side of planned land facing the rivers; and
(5) The sum of the maximum continuous extended surface widths of buildings adjacent to lakes or mountains may not be greater than 50% of the width of the side of planned land facing the lakes or mountains.
The architectural massing and surface width of the construction projects with special requirements for surface width (monumental buildings, integrated commercial complexes, and etc), which are to be located in the city’s important scenic districts or are of landmark significance, and may affect urban ecological landscape shall be determined through urban design demonstrations.
Article 16 The height of new buildings within the planned land adjacent to lakes may not be greater than the distance between such buildings and the green lines of the lakes.
The height of new buildings within the control areas of cultural relic protection zones, historical and cultural streets, airports, weather stations, radio stations, television stations, and other radio communication (including communication) facilities shall meet the requirements of special plans on height restrictions.
If it is really infeasible to conform to the provisions of the preceding two paragraphs, the height of buildings shall be determined through urban design demonstrations.
Article 17 Town housing shall be designed in conformity with the following requirements:
(1) No courtyard may be arranged on the ground floors;
(2) No basement for the independent use of residents may be designed; and
(3) Adjacent houses shall share at least one gable wall, and the elevation of a shared part shall extend from the interior positive and negative zeros to the roof.
Article 18 Office buildings shall be designed in conformity with the following requirements:
(1) Public toilets shall be designed at the same position of each floor, and no bay window may be designed; and
(2) If modular offices are designed, the sum of the floor areas of modular offices may not be greater than 50% of the total floor area of all the offices of an office building.
Article 19 During calculation of the plot ratio, the following floor areas may not be included:
(1) The floor areas of mechanical floors, structural transfer floors and refuge floors designed in accordance with the national codes;
(2) The floor areas of fly-over floors (used for public passage, relaxation or other functions) calculated by the horizontal projection; or
(3) The floor areas of beam and slab structures which are permitted by certificates issued by the review agencies with corresponding qualifications and cannot be converted to functional spaces in future use.
For office and hotel buildings, the floor areas of their balconies calculated by the horizontal projection shall be included during calculation of their plot ratio.
Article 20 Building colors shall meet the following requirements:
(1) Except those with unified logo colors as provided by the State, such as fire stations, police stations and post offices, the buildings adjacent to urban primary trunk roads, urban squares, and urban parks and greenbelts and within other urban landscape areas may not be in the color of dark gray, or extensively in such high colors as red, black, green, blue, orange or yellow;
(2) The same color schemes shall be chosen for adjoining buildings of the same kind, the primary color combination of a single building may include three colors at most, and the colors of towers and podiums shall be coordinated; and
(3) The colors of buildings adjacent to rivers, lakes and mountains and within other landscape control areas shall be compatible with the surrounding natural environment; quietly elegant and bright colors are preferred for buildings adjacent to rivers and lakes; the roof colors of buildings adjacent to mountains shall be capable of promoting the city’s overlooking effect.
Article 21 The design of new buildings shall be consistent with the overall architectural effect, the AC seats, downspouts, pipelines and other facilities on their facades shall be installed in a concealed way, the required water, electricity, gas, heating and ventilating equipment shall be professionally designed, and the operational requirements of fire control shall be met.
Article 22 With regard to the buildings adjacent to urban planned roads, the planning and design of the setback area of the buildings from the boundary lines of urban planned roads, the relationship of building massing, the use of materials, the color selection, and the roof forms shall conform to the requirements of the municipal technical elements library for the compilation and management of urban design.
The municipal technical elements library for the compilation and management of urban design shall be formulated by the municipal competent administrative department of planning.
Article 23 The layout of business facilities adjacent to urban planned roads shall conform to the requirements of the municipal layout plan for business facilities.
The municipal layout plan for business facilities shall be formulated by the municipal competent administrative department of planning.
Article 24 Within the green belts planned and controlled along the urban planned roads, except public utilities, no parking spaces or buildings (structures) may be arranged or built, and the requirements for sewerage and waterlogging prevention shall be met.
Enclosing walls along urban planned roads, urban greenways and urban parks shall be transparent, semi-transparent or in the form of green hedges.
Article 25 Air corridors across the urban roads or underground traffic passages, which are really necessary for the purpose of passage between the buildings on both sides of the urban planned roads or between underground garages, shall meet the following requirements:
(1) The net width of an air corridor shall not be more than 6m, the headroom under an air corridor shall be not less than 5.5m, and the headroom under the air corridor of an urban branch road with a span of less than 20m shall be not less than 4.5 m;
(2) Where piers are required for an air corridor, the pier foundations shall be reasonably arranged with consideration of the form of road cross section and the control requirements of underground pipelines and rail transit lines;
(3) The design of an air corridor is subject to special demonstrations for urban landscape design;
(4) Underground traffic passages shall comply with the control requirements of underground pipelines and rail transit lines; and
(5) Business facilities may not be built in air corridors and underground traffic passages.
Chapter Four Building Distance
Article 26 The building distance shall be calculated in accordance with the following provisions, with consideration of the urban space landscape, sunshine, fire control, lighting, ventilation, visual health, energy conservation and other requirements:
(1) The horizontal distance between the outer edges of outer walls of two buildings is taken in the calculation of building distance;
(2) If buildings are north-south arranged in parallel, the height of the southern buildings is taken in the calculation of building distance; if buildings are east-west arranged in parallel, the height of the taller buildings is taken in calculation; if two buildings are arranged in parallel at an angle greater than 60 degrees from the north-south direction, the height of the taller building is taken in calculation;
(3) If the total length of overhanging balconies, ladder platforms, corridors and protruding ancillary facilities on the vertical wall surface of a building accounts for a half or more of the length of the vertical wall surface, the vertical projection line of the most protruding part is taken in the calculation of building distance; if doors, windows or balconies are designed on the gable surface of a building, the vertical wall surface is taken in calculation; and
(4) If multiple businesses are involved in a single building, the building distance shall be calculated respectively in accordance with the corresponding codes for different types of businesses.
Article 27 The distance of residential buildings in a north-south parallel arrangement shall meet the following requirements:
(1) The distance between the rectilinear buildings with a height of or below 20m (see Fig. 4-1):
a. The distance between the vertical wall surfaces is not less than 1.2 times the height of the southern buildings;
b. The distance between gable surfaces is not less than 10 m; and
c. The distance between the vertical wall surface and the gable surface is not less than 14 m.
(2) The distance between the rectilinear buildings with a height above 20m (see Fig. 4-2):
a. The distance between the vertical wall surfaces is incrementally calculated: the distance for the part of 20m and below is not less than 1.2 times the height of the southern buildings; the distance for the part above 20m is not not less than 0.4 times the increased building height; and the distance for the part above 55m is the same with that for the part of 55m;
b. The distance between the gable surfaces is not less than 20m; and
c. The distance between the vertical wall surface and gable surface is not less than 24m in a north-south direction and not less than 20m in a east-west direction.
(3) The distance between the rectilinear buildings with a height above 20m and the rectilinear buildings with a height of or below 20m (see Fig. 4-3):
a. For the distance between the vertical wall surface of buildings with a height above 20m and the vertical wall surface of buildings with a height of or below 20m, the height of southern buildings is taken in calculation in accordance with the Item (1)a or (2)b respectively.
b. The distance from the vertical wall surface of buildings with a height above 20m to the gable surface of southern buildings with a height of or below 20m is not less than 15 m, and the distance to the gable surface of buildings with a height of or below 20m in other directions is not less than 18m;
c. The distance from the gable surface of buildings with a height above 20m to the vertical wall surface of northern buildings with a height of or below 20m is not less than 24m, the distance to the vertical wall surface of southern buildings with a height of or below 20m is not less than 18m, and the distance to the vertical wall surface of east-west buildings with a height of or below 20m is not less than 15 m;
d. The distance between the gable surface of buildings with a height above 20m and the gable surface of buildings with a height of or below 20m is not less than 15 m.
(4) If the width of overlapped projection plane of rectilinear residential buildings in the north-south direction is less than 12m, the minimum distance between two buildings may be 0.8 times the standard distance (see Fig. 4-4).
If rectilinear buildings have no overlapped projection plane in the north-south direction, the distance between the nearest points is not less than 15m.
(5) The distance between tower residential buildings is calculated by the overlapped projection plane between the buildings in the north-south direction (see Fig. 4-5): without overlapped plane, the distance between the nearest points is not less than 15m; if the width of overlapped plane is less than 12m, the building distance is not less than 20m; if the overlapped plane is greater than 12m, the distance is calculated in accordance with Item (2)a of this Article. The distance between tower splicing buildings is calculated in the same way as that of rectilinear buildings.
(6) The distance between the vertical wall surface of tower buildings and the vertical wall surface of north-south rectilinear buildings is calculated in the same way as that of rectilinear buildings; the distance between the vertical wall surface of tower buildings and the vertical wall surface of east-west rectilinear buildings is not less than 18m; the distance between the gable surface of tower buildings and the gable surface of rectilinear buildings is not less than 15m (see Fig. 4-6).
Article 28 The distance between non-residential buildings shall meet the following requirements:
(1) The distance between the closest points of buildings with a height of or above 24m is not less than 18m; in other cases, the distance between the closest points is not less than 13 m; and
(2) For the distance between non-residential buildings which also have the residential function, their calculation is the same as that for residential buildings.
Article 29 The distance between a residential building and the non-residential building at its southern side is calculated as required in Article 27 of these Provisions. The distance between a residential building and the non-residential buildings at its northern, eastern and western side may be decreased appropriately as required in Article 27 of these Provisions, but the decrease range cannot exceed 20% and shall meet the requirements on distance under the Code of Design on Building Fire control.
Article 30 The distance between industrial buildings in industrial parks may be decreased appropriately as required in Article 28 of these Provisions, but the decrease range cannot exceed 20% and shall meet the requirements on distance under the Code of Design on Building Fire control.
Article 31 The distance between non-parallel buildings shall meet the following requirements (see Fig. 4-7):
(1) The distance between the midpoints of the north-south or east-west overlapped projection area of the vertical wall surfaces of buildings is not smaller than the standard distance, and the distance between the closest points of buildings is not less than 0.7 times the standard distance;
(2) If the included angle between the vertical wall surfaces of buildings is over 60 degrees, the distance between the closest points of buildings is not smaller than the standard distance between the vertical wall surface and the gable surface of buildings; and
(3) If the included angle between the vertical wall surfaces of buildings is under 15 degrees, the calculation approach for parallel buildings is applied.
Article 32 For the construction projects in the historical and cultural blocks, if it is really difficult to apply the provisions of this Chapter to the calculation of the distance between the new buildings arranged according to the land use conditions and the requirements on spatial landscape under the urban plan and the surrounding existing permanent buildings, the building distance may be decreased appropriately, but shall meet the requirements on distance under the Code of Design on Building Fire control.
Article 33 The distance of the buildings whose architectural forms are not covered in this Chapter shall be determined by the competent administrative departments of planning with consideration of the landscape, sunshine, fire control, lighting, ventilation and other factors, as well as the actual situations.
Chapter Five Building Sunshine
Article 34 The national standard for sunshine shall be applied to building sunshine, whose analysis shall be made by the sunshine analysis software certified by the State. The sunshine analysis procedures shall be formulated separately by the municipal competent administrative department of planning.
Article 35 The sunshine analysis for the activity spaces of residential quarters, dormitories and kindergartens shall take the time from 8:00 AM to 16:00 PM of the Great Cold Day as the valid time zone of building sunshine. The sunshine analysis for the residential buildings for the aged, hospital wards, primary and secondary school classrooms, recovery rooms of nursing homes, and childcare living rooms shall take the time from 9:00 AM to 15:00 PM of the Winter Solstice Day as the valid time zone of building sunshine.
Article 36 The sunshine analysis of existing buildings shall incorporate the architectural nature of use approved by the competent administrative departments of planning.
For apartment-style office buildings and hotel-style office buildings, the calculation approach for residential buildings shall be applied.
The calculation approaches for other non-residential buildings shall conform to the relevant provisions of the State.
Article 37 Every household in a residential building shall, as required by the national standard, have at least one living space capable of obtaining not less than two hours’ sunshine on the Great Cold Day.
Every household in a new residential building within the land use area of a construction project included in the old city reconstruction, dilapidated housing rehabilitation or shantytowns transformation by a people's government at the municipal or district level shall, as required by the national standard, have at least one living space capable of obtaining not less than one hour’s sunshine on the Great Cold Day.
Article 38 The construction of new buildings may not lead to a decrease of the duration of sunshine of the surrounding buildings that have met the national standard.
In the event that the construction of new buildings has led to a decrease of the duration of sunshine of the surrounding buildings that originally met the national standard, the duration of sunshine after decrease may not be shorter than the national standard.
In a residential building suffering from a decrease of sunshine caused by an adjacent new project with a plot ratio of or above 5.0, the number of its households whose duration of sunshine has fallen short of the national standard may not be greater than 5% of the total number of its households, and the developer of such new project shall obtain the consent from the affected households and sign an agreement with them.
Chapter Six Building Setback
Article 39 Building setback is calculated from the vertical projection line of the outer edge of the most protruding part of a building (structure).
Article 40 The setback distance of buildings (structures) from the boundary lines of urban planned roads shall meet the following requirements:
(1) The setback distance of buildings with a height of or below 100m is not less than that provided in the Setback distance of buildings on both sides of roads of different widths (see Table 6-1) ;
(2) The setback distance of buildings with a height of or above 100m is subject to urban design demonstration, and its minimum value may not be smaller than the setback distance of buildings with a height of 60~100m provided in the Setback distance of buildings on both sides of roads of different widths;
(3) The setback distance of theaters, amusement parks, stadiums, exhibition centers, shopping malls, and other buildings with heavy people and traffic flow is not less than 25m, and temporary parking or turnaround yards shall be reserved;
(4) The foundations, fences, retaining walls, revetments, basements, steps, pipelines, balconies, canopies, pipeline wells, septic tanks and other ancillary facilities of all types of buildings (structures) cannot go beyond the boundary lines of urban planned roads. The setback distance of the outer edges of fences, retaining walls and revetments is not less than 1m from the boundary lines of urban planned roads with a width below 25m, and not less than 2m from the boundary lines of urban planned roads with a width of or above 25m. The setback distance of gates from the boundary lines of urban planned roads shall be appropriately increased on the basis of the foregoing provisions, without affecting the urban traffic; and
(5) Where there are special requirements under the planning, the setback distance shall comply with the approved planning requirements.
For the setback distance of new buildings from the outer edges of viaducts and ramp structures, an extra increase of 5m shall be added on the basis of the provisions in the Setback distance of buildings on both sides of roads of different widths.
In addition to meeting the requirements of the preceding paragraphs, the setback distance of buildings from public passages is not less than 2m.
Article 41 The setback distance of buildings (structures) from the boundary lines of planned land shall meet the following requirements (see Fig. 6-1):
(1) The setback distance between two neighboring buildings, which is calculated from their respective boundary lines of planned land, is not less than half of the required building setback distance provided in the Chapter Four of these Provisions, and shall meet the requirements of the national standard for sunshine;
(2) Where the neighboring land is vacant and not adjacent to the urban planned roads, the setback distance of a building from the boundary line of planned land is not less than half of the distance calculated as that from a new building; in case that the public interests are not affected and an agreement has been reached with the owner of neighboring land, the setback distance of a building from the boundary line of land may be appropriately decreased;
(3) The setback distance of a basement from the boundary line of planned land is not less than 0.7 times the distance from the outdoor ground surface to the bottom of the basement baseboard; on the premise of conforming to the relevant design codes and technical requirements, the distance may be appropriately decreased with the minimum value of 2m;
Where the neighboring land belongs to the same owner, the setback distance of a basement from the boundary line of planned land may be appropriately decreased or a public passage may be reserved; where the neighboring land belongs to a different owner, after a consent is obtained from such owner, the setback distance of a basement from the boundary line of planned land may be appropriately decreased; and
(4) Enclosing walls may not be built beyond the boundary lines of planned land.
Article 42 Within industrial parks, the setback distance of industrial buildings from the boundary lines of internal roads and planned land may be appropriately decreased on the basis of the distances provided in Articles 40 and 41, but shall meet the requirements on distance under the Code of Design on Building Fire control.
Article 43 The setback distance of buildings from the intersections of urban planned roads, which is calculated from the line segment between the tangent points on the linear segment and on the curve segment of the boundary lines of urban planned roads, is not less than 20m for the buildings with a height below 20m, and not less than 30m for the buildings with a height of or above 20m (see Fig. 6-2).
Article 44 The setback distance of the vertical projection line of the outermost edge of new buildings from the outer edge of pedestrian overpasses is not less than 7m (see Fig. 6-3).
Article 45 The setback distance of buildings from the green spaces of urban parks is not less than 10m. Where a building is located on the north side of the green space of a park, the setback distance may be appropriately decreased, with the minimum value of 5m and at the same time, and the requirements for fire control shall be met also.
Article 46 The setback distance of buildings from the greenbelts along the urban planned roads is not less than 5m.
Article 47 The setback distance of buildings from the green lines of mountain protection is not less than 20m.
Article 48 The setback distance of buildings from the blue lines and purple lines shall conform to the provisions of the approved special plans.
Article 49 The setback distance of new buildings shall, in addition to meeting the provisions of this Chapter, meet the requirements under the national standard for sunshine as well as those on the aspects of fire control, environmental protection, flood control, transportation, and safety.
Chapter Seven Planning and Design of Urban Traffic Engineering
Article 50 The city’s urban roads are classified into four levels, namely express road, primary trunk road, secondary trunk road, and branch road. In areas where the density of branch road networks is enough, the public passages shall be controlled with consideration of the land layout plans and incorporated into the net land of the corresponding projects, and their directions may be appropriately adjusted according to the master site plans, but their start and end points and their width may not be adjusted.
Article 51 The width of urban roads shall conform to the following provisions:
(1) The width of express roads is 50~70m;
(2) The width of primary trunk roads is 50~70m;
(3) The width of secondary trunk roads is 30~50m;
(4) The width of branch roads is 15~30m; and
(5) The minimum width of public passages with the function of passage of motor vehicles is 6m.
Article 52 The width of motor vehicle lanes of urban roads and the width of marginal strips shall conform to the provisions of Table 7-1.
The width of bus transit lanes is not less than 3.5m; the total width of central integrated lanes is not less than 8m; the total width of isolated single lanes is not less than 4.5m.
The lane width at the intersections of urban roads shall conform to the provisions of Table 7-2. If it is really difficult, the width may be decreased by 0.25m on the basis of the original provisions.
Article 53 A reasonable distance shall be kept between the overpasses on urban express roads, with the minimum distance of 1.5km. The distance between the ends of two adjacent entrances and exits of the auxiliary roads of express roads may not fall short of the provisions set out in Table 7-3.
Article 54 Integrated elevated roads or separated elevated roads may be chosen as an arrangement of urban elevated express roads, depending on the area of land used for roads and the characteristics of traffic circulation. The minimum clear distance from the outer edge of the main line structures of elevated express roads to the existing buildings along the roads is 12m. Where the minimum clear distance is below 12m, or ramps are built, or the existing buildings along the roads are environmentally sensitive, the clear distance shall meet the requirements in the written replies to the environmental impact assessment documents.
Within the planned and controlled protective boundaries demarcated at 30m from the outer edges of existing viaducts ramp structures and at 50m outside tunnel structures, if there are works of foundation pits, the design and construction schemes of foundation pits shall be subject to special demonstrations.
Article 55 The city’s greenways are classified into three levels, namely downtown greenway, urban greenway and community greenway. The width of greenways shall conform to the following provisions:
(1) The width of main slow ways in the areas of downtown greenways is not less than 4.5m, and that of the branch slow ways is not less than 3m;
(2) The width of slow ways in the areas of urban greenways is not less than 4m, and that of slow ways in the areas of framework greenways like those along rivers or around the city is not less than 6m; and
(3) The width of slow ways in the areas of community greenways is not less than 2.5m.
Article 56 The width of non-motor vehicle lanes and sidewalks of urban roads shall conform to the provisions of Table 7-4.
Article 57 On the urban roads where the bus flow is above 90 buses/hr and one-way three (or more) lanes are arranged for the motor vehicle lanes, bus lanes or bus rapid transit (BRT) shall be provided reasonably with consideration of the rail transit network planning.
Article 58 Urban bus (trolleybus) depots are classified into four categories, namely origin and terminal stations, junction station, parking lot, and maintenance yard. Depot facilities shall be linked efficiently with other modes of transport and meet the following requirements:
(1) An origin or terminal station shall be arranged outside the boundary lines of urban roads, with its land area of not less than 1,000m2;
(2) A junction station shall be arranged at the interchange of multiple bus lines where a huge passenger flow exists, with its land area of not less than 700 m2 provided for each line;
(3) A maintenance yard or parking lot shall be arranged generally outside the second ring road. The land area of a maintenance yard is calculated and determined synthetically according to its maintenance capacity and the land demand of its various functional facilities. The land area of a parking lot may be determined as per the calculation standard of 120 m2 per standard vehicle; and
(4) Under the premise of meeting the requirements of fire control, transportation and environmental protection, the origin and terminal bus stations can be located on the first floor of large public buildings on both sides of roads.
Article 59 The style of bus bay shall be adopted for halfway bus stops on the roads with a width of or above 40m. Of their stop zones, the minimum length is 30m and the minimum width 3m; if the existing conditions are restricted, the minimum width may be 2.5m.
Article 60 For the rail transit projects that have been completed or are under construction, the planning control and protection boundaries shall be established. For the rail transit projects that are under planning, the planning control zones and the planning impact zones shall be demarcated. The construction in the planning control and protection boundaries, the planning control zones, and the planning impact zones for rail transit shall comply with the relevant provisions on rail transit management.
For the rail transit projects that have been completed or are under construction, the planning control and protection boundaries shall be established in accordance with the following provisions:
(1) Within 50m outside the underground stations and tunnel structures;
(2) Within 30m outside the ground and elevated stations and the outer edge of line tracks; or
(3) Within 10m outside the outer edge of station exits and entrances, ventilation pavilions, substations, and other buildings (structures);
For the near-term rail transit projects determined by the rail transit construction plans, the planning control zones and the planning impact zones shall be demarcated in accordance with the following provisions:
(1) An area within 15m on both sides of the center line of a rail transit line is demarcated as a planning control zone for rail transit. An area within 20m on both sides of a planning control zone is demarcated as a planning impact zone for rail transit. At curved sections or special sections where the upper and lower lines are respectively located at both sides of buildings (structures), or if the project environmental impact assessment reports have specific requirements, the planning control zones and the planning impact zones shall be demarcated in accordance with the relevant provisions on rail transit management.
(2) For a rail transit station or the structure of its subsidiary facility determined in a construction plan for rail transit, an area within 10m or larger outside its outer sidelines (for a structure of ground ventilation pavilion, 15m or larger outside its outer sidelines), or in restricted conditions, an area within 5m or larger after demonstrations is demarcated as a planning control zone for rail transit. If a plan has additional requirements, such requirements shall be met during demarcation. Demarcation of the planning impact zones is unnecessary for rail transit stations.
(3) For a rail transit project in absence of line design and a master plan, an area of 100m wide and 250m long for trains of Type B or 300m long for trains of Type A at a general station, or an area of 100m wide and 600m long for trains of Type B or 700m long for trains of Type A at a station with distribution lines (parking lines, junction lines and siding loops), is demarcated as a planning control zone for rail transit,.
(4) Demarcation of the planning control zones for rail transit stations shall also meet the requirements of supporting transport facilities, environmental protection and fire control.
Once the planning control zone of a rail transit station is demarcated, the setback distance of the outer sidelines of such station and the structures of its supporting facilities from the boundary of the planning control zone shall not be less than 5m, or if the conditions are restricted, not be less than 3m after demonstrations; and their distance from the current buildings (structures) shall not be less than 10m, or if the conditions are restricted, not be less than 3m after demonstrations.
For the long-term rail transit projects determined by the rail transit construction plans, the planning control zones shall be demarcated with reference to the provisions of the third paragraph of this Article.
Article 61 The planning and construction of land around rail transit stations shall take full account of the linkage between the rail transit and the other conventional transits like buses, cars and non-motor vehicles. The land scale of relevant traffic facilities for linkage shall be reasonably determined in accordance with the traffic demand forecasts, and such facilities shall be planned and built along with the rail transit stations.
The design of rail transit stations shall take into account the comprehensive use of underground and aboveground spaces, and satisfy as far as possible the urban pedestrians’ need of street crossing.
Article 62 The parking indexes of urban buildings shall meet the requirements of Table 7-5 Parking indexes of different buildings. The vehicle equivalent conversion coefficients shall meet the requirements of Table 7-6 Vehicle equivalent conversion coefficients.
The parking spaces for commercial, office, and other public facilities, which are adjacent to and connect directly with rail transit stations, may be appropriately reduced after demonstrations.
The standard for the supporting parking spaces of buildings shall be assessed once every three years by the municipal competent administrative department of planning jointly with the municipal department of transport and the traffic administration under the municipal public security organ, and be subject to changes according to actual needs.
Article 63 The planning and design of urban parking facilities shall meet the following requirements:
(1) The location and quantity of parking facilities shall be determined in view of the parking capacity and traffic organization. At least two entrances and exits shall be set with a clear distance of or above 20m. Where the number of parking spaces is under 50, an entrance-exit may be set with two-way lanes. Where the number of parking spaces is above 500, at least three entrances and exits shall be set, including a dedicated pedestrian entrance-exit;
(2) The entrances and exits of parking facilities may not be located along urban express roads and primary trunk roads, and shall at least have a distance of 50m from pedestrian overpasses, tunnel inlets and outlets, bridge tunnel approaches, and the intersections of urban roads (see Fig. 7-1). The distance from the underground entrances and exits of parking facilities to the boundary lines of urban roads is not less than 7.5m;
(3) The minimum net width of entrances and exits of parking facilities is 5m for one-way driving and 7m for two-way driving;
(4) Parking spaces for the disabled shall be set in accordance with the provisions of the Codes for Accessibility Design (GB50763-2012);
(5) For a building integrated with commercial and residential purposes and with the floor area of its commercial part of or above 10,000m2, the supporting parking facilities for its commercial and residential functions shall be generally separated with separate entrances-exits; and
(6) The public parking facilities built along with the land development and construction shall have independent zones, separate entrances and exits, and clear sinage and guidance systems.
Article 64 The average distance between the pedestrian crossing facilities shall not be greater than 400m on urban express roads and primary trunk roads, or not be greater than 250m on secondary trunk roads and branch roads. The elevated pedestrian crossing facilities shall conform to the requirements of relevant national standards.
Article 65 The minimum clear distance from the outer edge of a pedestrian overpass structure to the surrounding buildings shall be 3m, or if the conditions are restricted, may be 1.5m with appropriate safety measures taken. The plane pedestrian crossing facilities shall conform to the requirements of relevant national standards.
Article 66 Railways, bridges, ports, highways, airports and other urban transport infrastructures shall conform to the relevant national design codes or standards, and also meet the following requirements:
(1) The safety distance from urban buildings to railway lines and railway communications overhead lines shall conform to the provisions of the Safety distance between buildings and railways (see Table 7-7). The crossing of urban roads and railways shall meet the provisions of the Crossing controls of urban roads and railways (see Table 7-8). Where urban roads underpass railways, the clearance beneath railway bridges shall meet the provisions of the Control clearances of urban roads (see Table 7-9). Where urban roads cross railways levelly, safety protection measures shall be taken;
(2) Port areas and anchorages shall be away from bridges, tunnels, watery ferries, river pipelines, and water intakes of water treatment plants; and
(3) Urban inlet and outlet roads shall be under an overall planning and coordination with the surrounding land development, and connect with the urban road system reasonably. Long-distance highway passenger stations shall link with the urban public transport and other means of external transport, and be supported with bus depots and gas stations. Highway freight stations shall be located near the main urban inlet and outlet roads, and be supported with gas stations.
Chapter Eight Municipal Public Facilities and Pipelines
Article 67 The site selection of municipal public facilities shall meet the following requirements:
(1) Around new wastewater treatment plants and various waste treatment plants, green belts shall be built, and a certain protective distance, which is determined according to the environmental impact assessment documents, shall be kept from environmentally sensitive buildings like residential quarters, hospitals and schools;
(2) New transformer substations shall be close to load centers, and new transformer substations within the central urban areas shall be of indoor structure;
(3) The distance from the main buildings of new fire stations to the main evacuation exits of hospitals, schools, theaters, shopping malls and other public buildings which can accommodate a large number of people shall not be less than 50m;
(4) New gas stations of Level-I, primary CNG gas stations, and liquefied gas storage and distributions stations shall not be located within the central urban areas.
Article 68 The planning and layout of municipal public utilities shall meet the following requirements:
(1) The distance from the exterior walls of new independent public toilets to adjacent buildings is generally not less than 5m, and green belts with a width of not less than 3m shall be built outside public toilets;
(2) The fire separation distance between new natural gas stations and civil buildings shall conform to the provisions of the Code for Design of City Gas Engineering;
(3) Firehouse garage doors shall face urban roads, and their distance to the boundary lines of roads is not less than 15m;
(4) Combined construction and gathered location of new gas stations and car washing stations are preferred. The classification of gas stations and combined stations as well as the safety distance between their facilities and the buildings (structures) outside stations shall conform to the provisions of Tables 8-1 to 8-8;
(5) New transfer stations of domestic wastes shall meet the requirements of Table 8-9. In case that the foregoing requirements on distance and greenbelt width cannot be met or the surrounding existing buildings are residential buildings, hospitals, schools or other environmentally sensitive buildings, the distance and greenbelt width shall meet the relevant requirements in the written replies of environmental impact assessment documents;
(6) The distance from the entrances and exits of municipal public utilities to urban road intersections shall be greater than 50m (see Fig. 7-1); and
(7) The planning and layout of other municipal public utilities shall meet the requirements of relevant special plans and technical codes.
Article 69 The planning and design of municipal pipelines shall meet the following requirements:
(1) It is prohibited to build new overhead telecommunications, electric power and other municipal pipelines over the express roads, primary trunk roads and important secondary trunk roads in central urban areas;
(2) New, altered or extended pipelines of various types along urban roads shall be under overall planning and synchronous laying according to the demands;
(3) Electric power, telecommunications, gas and other cabinets along urban roads may not be mounted within the sidewalks. The greenbelts and the layout of buildings along the roads shall be taken into comprehensive account. Concealed mounting shall be adopted to ensure a complete, untroubled and tidy road view;
(4) The control width of 110KV, 220KV and 500KV overhead power line corridors is 30m, 40m and 75m respectively;
(5) The control width of high-pressure gas pipeline corridors (P>4.0MPa) is not less than 100m, that of high-pressure A pipeline corridors (2.5MPa<P ≤ 4.0MPa) is not less than 60m (where effective protection measures are taken for the pipelines, the control width is not less than 30m), and that of high-pressure B pipeline corridors (1.6MPa<P ≤ 2.5MPa) is not less than 32m (where effective protection measures are taken for the pipelines, the control width is not less than 20m). The horizontal clearance between pipeline corridors and surrounding buildings (structures) shall conform to the Code for Design of City Gas Engineering;
(6) The minimum distance from buried oil pipelines to ground buildings (structures) shall meet the following requirements:
a. It is advisable that the pipelines of crude oil or product oils of grade C5 or above are not less than 15m distant from urban settlements or independently crowded buildings, or not less than 20m distant from airports, sea and river ports, large and medium reservoirs, hydraulic buildings (structures), and factories. Where the above-mentioned pipelines are laid parallel to railways, they shall be 3m away from the sidelines of the railway land;
b. Where liquid liquefied petroleum gas pipelines are laid parallel to railways, the distance between the pipe center line and the center line of national trunk railway lines and branch lines (single lines) shall be not less than 25m and 10m respectively. The distance from the above-mentioned pipelines to the public buildings at urban settlements shall not be less than 75m;
c. Where buried oil pipelines are laid parallel to expressways or to first-class or second-class highways, the distance from the pipe center line to the boundary of highway land shall not be less than 10m; and
c. The minimum distance from the pipelines of crude oil or product oils of grade C5 or above to military factories, military facilities, inflammable and explosive warehouses, and national key cultural relics protection units shall be determined by consulting with the departments concerned;
The minimum distance from oil pipelines on the ground to buildings (structures) shall be twice the distance provided in the preceding paragraphs. The distance from oil pipelines on the ground to municipal pipelines shall meet the relevant national standard;
(7) The minimum horizontal clearance and minimum vertical clearance between overhead pipelines and between overhead pipelines and buildings (structures) shall respectively meet the requirements of Table 8-10 Min. horizontal clearance between overhead pipelines and between overhead pipelines and buildings (structures) and Table 8-11 Min. vertical clearance between overhead pipelines and between overhead pipelines and buildings (structures) where crossing; and
(8) During the laying of urban underground pipelines, priority shall be given to non-pressurized pipelines in comparison with pressurized pipelines, to main pipelines in comparison with branch pipelines, and to permanent pipelines in comparison with temporary pipelines. The horizontal and vertical distance of the laid pipelines shall respectively meet the requirements of Table 8-12 Min. horizontal clearance between underground utilities pipelines and between underground utilities pipelines and buildings (structures) and Table 8-13 Min. vertical clearance between underground utilities pipelines where crossing, without affecting the passage of adjacent pipelines or endangering public safety.
Article 70 Establishment of dedicated corridors for airport navigation, broadcast communications launching, radio, microwave, and meteorology, as well as demarcation of protection areas and setting of hygienic protection distance and atmospheric environment protection distance for concentrated drinking water sources, dikes, flood discharge zones, shelters, wastewater treatment plants, medical and other hazardous waste disposal sites, and waste treatment plants, shall be controlled by the competent administrative departments of planning according to the relevant special plans.
Chapter Nine Supplementary Provisions
Article 71 These Provisions shall come into force as of April 1, 2014. The Technical Provisions of Wuhan Municipality on the Planning and Administration of Municipal Public and Other Engineering Facilities (Order No.142 of the Municipal People’s Government) and the Technical Provisions of Wuhan Municipality on the Planning and Administration of Urban Construction (Order No.143 of the Municipal People’s Government) shall be repealed simultaneously.
For the construction projects whose land allocation decisions and land transfer contracts (or land transaction confirmations) have been obtained before promulgation of these Provisions, the original provisions may be applied to the follow-up procedures of related planning permission within a year from the date of implementation of these Provisions; upon expiry of a year from the date of implementation of these Provisions, these Provisions shall apply to the follow-up procedures of related planning permission.
Appendix 1 Definitions
1. Land use compatibility is a process of rational selection and deployment of land of different categories and natures in the stages of plan formulation and implementation under the premise of not affecting the implementation of urban plans.
2. The five lines are namely the control boundary lines of Wuhan’s urban planned roads demarcated according to relevant laws, regulations and national codes (red line); the control lines of various urban green spaces (green line); the protection boundary lines of historical and cultural blocks in national famous historical and cultural cities and the protection boundaries of historical buildings whose protection has been announced by the people’s governments of provinces, autonomous regions and municipalities and by the people’s governments of or above the county level (purple line); the geographical boundary lines for the protection and control of rivers, streams, lakes, reservoirs, canals, wetlands, and other urban surface water bodies defined in the urban plans (blue line); and the necessary control boundaries of the land for urban public infrastructures defined in the urban plans, which may affect the overall urban development (yellow line).
3. The boundary line of planned land is the ownership boundary between the adjacent parcels of different owners.
4. Plot ratio is a ratio of the total above-ground floor area on the project land to the total area of project land. An underground plot ratio is calculated separately in accordance with the relevant provisions on the development and use of underground spaces.
5. Building density is a ratio of the vertical projection area of the outer contour of a building to its net land area.
6. Building height as defined in these Provisions is applicable to the calculation of building distance and sunshine.
The height of a flat-roof building is calculated from its outdoor ground surface to the top of its parapet;
The height of a pitched-roof building is calculated from its outdoor ground surface to its cornice plus the average height of its ridges;
If a building has multiple roof forms, the maximum value shall be taken as its height from the values calculated respectively by the foregoing approaches.
The height of an observation tower, cooling tower, water tank room, microwave antenna room or facility, elevator equipment room, exhauster room, or stair exit compartment, which partially project out from the roof top of a building, may be excluded from the building height.
7. A tower building is a building with the ratio of its long side to its short side less than 2, and with the combination of stairs and elevators as its transport center.
8. A rectilinear building is a building with the ratio of its long side to its short side greater than or equal to 2, and with the length of its short side less than or equal to 16m.
9. A standard distance is a building distance calculated in accordance with the provisions of Article 27 (1), (2) and (3) under Chapter Four;
10. A gable is the exterior wall of the short side of a rectilinear building.
11. A vertical wall is the exterior wall of the long side of a rectilinear building.
12. A building distance is the horizontal distance between the outer edges of exterior walls of two buildings (structures).
13. The surface width of a building is the width of its façade.
14. The proportion of supporting public buildings is the proportion of the total floor area of supporting public facilities to the total floor area of above-ground part of a project of residential district, community or residential cluster, which shall be specified in the project plan in accordance with the Provisions of Wuhan Municipality on the Supporting Public Service Facilities of Residential Districts
15. A bus transit lane is an exclusive lane for bus driving.
16. A bus bay is a bus stop built outside a driveway by widening the road section where such stop is located.
17. Rail transit refers to the urban public passenger transport systems like urban subways and light rails with large transport volumes, including underground, above-ground and elevated parts.
18. A public passage is a shared passage for the purpose of public transport which passes through a single parcel or several parcels without affecting the surrounding land ownership in an area with low-density urban branch road network. For the transport functions and construction standards of public passages, those for urban branch roads shall apply.
19. A greenway is a linear open green space which connects mountains, waters, parks, forests, towns and other ecological landscape resources, and is integrated with leisure and fitness, recreation and sightseeing, traffic and transport, and other functions. It mainly consists of a green gallery system composed of natural factors and an artificial system for the recreation function. An artificial system covers slow way, signage system and service facilities, and etc.
Appendix 2 Figures
Fig. 4-1
Diagram of the distance between rectilinear buildings with a height of or below 20m
小区路或组团路The road of a community or residential cluster
H- building height
D1- distance between vertical wall surfaces
D2- distance between gable surfaces
D3- distance between vertical wall surface and gable surface
If H≤20m, D1≥1.2H; D2≥10m; D3≥14m
Fig. 4-2
Diagram of the distance between rectilinear buildings with a height above 20m
小区路或组团路The road of a community or residential cluster
H- building height
D1- distance between vertical wall surfaces
D2- distance between gable surfaces
D3- distance between vertical wall surface and north-south gable surface
D4- distance between vertical wall surface and east-west gable surface
If H>20m, 20m×1.2+(H-20)×0.4≤D1≤55m; D2≥20m; D3≥24m; D4≥20m
Fig. 4-3
Diagram of the distance between rectilinear buildings with a height above 20m and with a height of or below 20m
H1 and H2- building height
D1- distance between the vertical wall surface of a building with a height above 20m and the gable surface of the south building with a height of or below 20m
D2- distance between the vertical wall surface of a building with a height above 20m and the gable surface of the east, west or north building with height of or below 20m
D3- distance between the gable surface of a building with a height above 20m and the gable surface of a building with a height of or below 20m
If H1>20m and H2≤20m, D1≥15m; D2≥18m; D3≥15m
H1 and H2- building height
D3- distance between the gable surface of a building with a height above 20m and the gable surface of a building with a height of or below 20m
D4- distance between the gable surface of a building with a height above 20m and the vertical wall surface of the north building with a height of or below 20m
D5- distance between the gable surface of a building with a height above 20m and the vertical wall surface of the south building with a height of or below 20m
D6- distance between the gable surface of a building with a height above 20m and the vertical wall surface of the east or west building with a height of or below 20m
If H1>20m and H2≤20m, D3≥15m; D4≥24m; D5≥18m; D6≥15m
Fig. 4-4
Diagram of the north-south overlapped projection plane of rectilinear buildings
投影重叠面Overlapped projection plane
D1- distance between rectilinear buildings
D'- width of overlapped plane
Dstandard - setback distance between parallel buildings
If D'≤12m, D1≥0.8×Dstandard
Fig. 4-5
Diagram of the distance between tower residential buildings
投影重叠面Overlapped projection plane
D1- distance between tower buildings without overlapped plane
D2- distance between tower buildings with overlapped plane
D'- width of overlapped plane
If the tower buildings A and B have no overlapped plane, D1 is the distance between their nearest points and D1≥15m;
If the overlapped plane D' of the tower buildings A and C ≤12m, D2≥20m;
If the overlapped plane D' of the tower buildings A and C >12m, D2 is calculated in accordance with Item (2)a of this Article.
The distance between tower splicing buildings is calculated in the same way as that of rectilinear buildings.
Fig. 4-6
Diagram of the distance between a tower building and a rectilinear building
小区路或组团路The road of a community or residential cluster
D1- distance between the vertical wall surface of a tower building and the vertical wall surface of the north-south rectilinear building
D2- distance between the vertical wall surface of a tower building and the vertical wall surface of the east-west rectilinear building
D3- distance between the gable surface of a tower building and the gable surface of a rectilinear building
D1 is calculated in the same way as that of rectilinear buildings; D2≥18m; D3≥15m
Fig. 4-7
Diagram of the distance between non-parallel buildings
投影重叠区域内的墙面中点连线The line segment between the midpoints of wall surfaces in the overlapped projection area
投影重叠区域内的墙面中点连线The line segment between the midpoints of wall surfaces in the overlapped projection area
α- angle between the vertical wall surfaces of non-parallel buildings
Dstandard- setback distance between parallel buildings
D1- distance between the midpoints of wall surfaces in the overlapped projection area of buildings
D2- the distance between the nearest points of buildings
If 15°≤α≤60°, D1≥Dstandard, and D2≥0.7×Dstandard;
If α>60°, D2 is not less than the standard distance from the vertical wall surface to the gable surface of buildings;
If α<15°, the distance is calculated in the same way as that of parallel buildings.
Fig. 6-1
Diagram of the setback distance of buildings (structures) from the boundary lines of urban planned roads and the boundary lines of planned land
地下室范围线 |
Basement boundary |
用地红线 |
Land boundary |
道路红线 |
Road boundary |
道路中心线 |
Road centerline |
城市规划道路 |
Urban planned road |
围墙、挡土墙、护坡 |
Enclosing wall, retaining wall, and slope protection |
D- width of boundary lines of urban planned roads
D1- setback distance of buildings from the boundary lines of urban planned roads
D2- setback distance of the outer edge of enclosing wall, retaining wall, and slope protection from the boundary lines of urban planned roads
D3-setback distance of buildings from the boundary lines of planned land
D4- setback distance of basements from the boundary lines of planned land
Fig. 6-2
Diagram of the setback distance of buildings from the intersections of urban planned roads
道路中心线 |
Road centerline |
道路红线直线段与曲线段切点连线 |
Line segment between the tangent points on the linear segment and on the curve segment of the boundary lines of urban planned roads |
城市规划道路 |
Urban planned road |
道路红线 |
Road boundary |
H- building height
D- setback distance of buildings from the intersections of urban planned roads
If H≤20m, D≥20m; if H>20m, D≥30m
Fig. 6-3
Diagram of the setback distance of buildings from pedestrian overpasses
人行天桥 |
Pedestrian overpass |
道路中心线 |
Road centerline |
道路红线 |
Road boundary |
城市规划道路 |
Urban planned road |
D- setback distance of the protruding part of buildings from the outer edge of pedestrian overpasses D≥7m
Fig. 8-1
Diagram of the distance from land or entrances and exits to road intersections
道路中心线Road centerline
道路红线Road boundary
用地红线Land boundary
Table 6-1
Setback distance of buildings on both sides of roads of different widths (Unit: m)
Road width Setback distance Building height |
L≥40 m |
40 m>L≥25 m |
25 m>L≥15 m |
L<15 m |
≤19 m |
15 |
10 |
8 |
5 |
19 m<H≤60 m |
20 |
15 |
12 |
8 |
60 m<H≤100 m |
25 |
20 |
15 |
10 |
Table 7-1
Width of motor vehicle lanes & marginal strips (Unit: m)
Designed speed (km/h) |
Curb travel lanes |
Center lanes |
Inside lanes |
Marginal strips |
|||
For large-sized vehicles |
For small-sized vehicles |
For large-sized vehicles |
For small-sized vehicles |
For large-sized vehicles |
For small-sized vehicles |
||
80≤V≤100 |
3.75 |
3.50 |
3.75 |
3.50 |
3.75 |
3.50 |
0.50 |
60≤V<80 |
3.75 |
3.50 |
3.50 |
3.25 |
3.50 |
3.25 |
0.50 |
40≤V<60 |
3.50 |
3.25 |
3.50 |
3.25 |
3.50 |
3.25 |
0.25 |
V<40 |
3.50 |
3.25 |
3.25 |
3.25 |
3.25 |
3.25 |
0.00 |
Note: If the conditions are restricted, the width of motor vehicle lanes shall not be less than 3.0m provided that the requirements on traffic safety are met.
Table 7-2
Width of turn lanes (Unit: m)
Designed speed (km/h) |
Entrance lanes |
Exit lanes |
||
For large-sized vehicles |
For small-sized vehicles |
For large-sized vehicles |
For small-sized vehicles |
|
V≥60 |
3.25 |
3.00 |
3.50 |
3.25 |
40≤V<60 |
3.25 |
3.00 |
3.25 |
3.00 |
V<40 |
3.00 |
3.00 |
3.00 |
3.00 |
Table 7-3
Min. entrance-exit distance of urban express roads (Unit: m)
Designed speed of mainlines (km/h) |
Layout of Entrances & exits |
|||
Exit-Exit |
Exit-Entrance |
Entrance-Entrance |
Entrance-Exit |
|
100 |
760 |
260 |
760 |
1270 |
80 |
610 |
210 |
610 |
1020 |
60 |
460 |
160 |
460 |
760 |
Table 7-4
Min. width of sidewalks & non-motor vehicle lanes (Unit: m)
Item |
Min. width of sidewalks |
Min. width of non-motor vehicle lanes |
||
Normal value |
Min. value |
Normal value |
Min. value |
|
Roads of all levels |
3.0 |
2.0 |
2.5 |
2.0 |
Smallest road sections of business or public places |
5.0 |
4.0 |
||
Road sections near railway stations & wharfs |
5.0 |
4.0 |
||
Coach terminals |
4.0 |
3.0 |
Note: 1. The setting of sidewalks and non-motor vehicles lanes are not considered on the mainlines of urban express roads.
2. The min. width shall not include the width of tree pits and road lamps on sidewalks.
Table 7-5
Parking indexes of different buildings
No. |
Bldg. Category |
Unit |
Motor vehicle |
Non-motor vehicle |
Remark |
||||
Inside the first ring |
Between the first and the second rings |
Between the second and the third rings |
Outside the third ring |
||||||
1 |
Residence |
Low-rise townhouses |
Parking spaces/household |
1 |
1.5 |
2 |
2 |
/ |
|
Serviced apartments |
Parking spaces/100M2 floor area |
1 |
1 |
1.5 |
1.8 |
0.3 |
|
||
Ordinary commercial housing |
-- |
1/household |
0.9/100M2 floor area |
1.0/100M2 floor area |
1.2/100M2 floor area |
0.5/100M2 floor area |
|
||
Economically affordable housing, low rent housing & public rental housing |
Parking spaces/household |
0.25 |
0.3 |
0.35 |
0.4 |
0.8 |
|
||
2 |
Business |
Category I |
Parking spaces/100M2 floor area |
0.6 |
0.8 |
1 |
1.2 |
0.8 |
Plazas, shopping malls and etc. |
Category II |
1 |
1.5 |
2 |
2.5 |
1.5 |
Supermarkets, wholesale markets, and etc. |
|||
Category III |
0.3 |
0.4 |
0.5 |
0.6 |
1.5 |
Shopping centers at the residential areas |
|||
3 |
Offices |
Administrative offices |
Parking spaces/100M2 floor area |
1 |
1.2 |
1.5 |
1.8 |
1.2 |
|
Other offices |
0.8 |
1 |
1.2 |
1.5 |
1.5 |
|
|||
Conference centers |
1 |
1.2 |
1.5 |
1.8 |
1.2 |
|
|||
4 |
Hotels |
5 stars & above |
Parking spaces/100M2 floor area |
0.8 |
1 |
1.2 |
1.5 |
0.2 |
|
3-4 stars |
0.5 |
0.7 |
1 |
1.2 |
0.2 |
|
|||
Others |
0.25 |
0.4 |
0.5 |
0.7 |
0.3 |
Budget hotels and guesthouses |
|||
5 |
Restaurants & entertainment facilities |
Large-scale |
Parking spaces/100M2 floor area |
1.5 |
2 |
2.5 |
3 |
1 |
Restaurants with floor area ≥5,000m2; entertainment venues with floor area ≥3,000m2 |
General |
1 |
1.5 |
2 |
2.5 |
1 |
Restaurants with floor area <5,000m2; entertainment venues with floor area <3,000m2 |
|||
6 |
Medical service |
3As hospital |
Parking spaces/100M2 floor area |
1.5 |
2 |
2.5 |
3 |
1.2 |
|
General hospitals |
0.8 |
1.0 |
1.2 |
1.5 |
1.0 |
|
|||
Community hospitals |
0.5 |
0.6 |
0.7 |
0.8 |
0.8 |
|
|||
Sanatoriums |
0.4 |
0.5 |
0.6 |
0.7 |
/ |
|
|||
7 |
Stadiums & gymnasiums |
Category I |
Parking spaces/100 seats |
4 |
4.5 |
5 |
5.5 |
15 |
Stadiums with seats ≥15,000; gymnasiums with seats ≥ 4,000 |
Category II |
3 |
3.5 |
4 |
4.5 |
15 |
Stadiums with seats <15,000; gymnasiums with seats <4,000 |
|||
8 |
Culture |
Cinemas |
Parking spaces/100 seats |
5 |
5 |
5 |
5 |
8 |
|
Theaters |
Parking spaces/100 seats |
10 |
10 |
10 |
10 |
10 |
|
||
Museums & libraries |
Parking spaces/100M2 floor area |
0.4 |
0.6 |
0.8 |
1.0 |
2 |
|
||
Exhibition centers |
Parking spaces/100M2 floor area |
0.6 |
0.6 |
0.8 |
0.8 |
1.5 |
|
||
9 |
Park |
Integrated parks & theme parks |
Parking spaces/10000 M2 |
8 |
12 |
15 |
18 |
3 |
|
General parks |
Plot area |
2 |
4 |
6 |
8 |
15 |
|
||
10 |
Transport |
Railway stations |
Parking spaces/100 passengers in peak days |
/ |
/ |
4 |
4 |
2 |
|
Bus stations |
2.5 |
2.5 |
3 |
3 |
2.5 |
|
|||
Ferry terminals |
2.0 |
2.0 |
2.5 |
2.5 |
1 |
|
|||
Passenger airports |
/ |
/ |
/ |
10 |
/ |
|
|||
11 |
Education |
Kindergartens |
Parking spaces/class
|
2 |
3 |
4 |
5 |
/ |
At least two parking spaces for school buses shall be reserved within the area of a school |
Primary schools |
6 |
8 |
10 |
12 |
30 |
||||
Middle schools |
4 |
5 |
6 |
7 |
50 |
||||
12 |
Industry & warehousing |
Parking spaces/100M2 floor area |
0.2 |
0.4 |
0.6 |
0.8 |
/ |
|
Note: 1. The indexes in the foregoing table are the min. control values;
2. The parking spaces of a complex building shall be calculated separately as per different purposes and their scales;
3. For hotels of three stars or above, large-scale restaurants and entertainment facilities, theaters, museums, libraries and exhibition centers, a parking space for tourist bus shall be reserved per floor area of 1,000 M2;
4. With consideration of the construction costs and use factors, the parking spaces for educational places in the foregoing table cannot meet the parking demands at the peak times; therefore, it is suggested to establish public parking lots or temporary parking spaces around schools.
Table 7-6
Vehicle equivalent conversion coefficients
Vehicle type |
Motor vehicles |
Non-motor vehicles |
||||||
MIni |
Small |
Medium |
Large |
Articulator |
Motorcycle |
Electrombile |
Bicycle |
|
Conversion coefficient |
0.7 |
1.0 |
2.0 |
2.5 |
3.5 |
0.4 |
1.5 |
1.0 |
Note: The equivalent conversion coefficient from bicycle to car is 0.2.
Table 7-7
Safety distance between buildings and railways (Unit: m)
Railway Safety distance Category |
High-speed |
Mainline |
Special service branch line |
Overhead line for railway communications |
Boundary walls |
30 |
>10 |
>8 |
>3 |
Buildings |
32 |
>12 |
>10 |
>5 |
Note: 1. The starting point is taken from the vertical projection of the outside rails for railways or of the outside lines for communications lines. The upper limit is taken for railway cuttings.
2. The high-speed railways include Beijing-Guangzhou High-speed Passenger Railway, Shanghai-Wuhan-Chengdu Express Railway, and other high-speed railways and intercity railways under planning. The national trunk railways include Beijing-Guangzhou Railway, Beijing-Jiujiang Railway, Hankou-Danjiangkou Railway, Wuchang-Jiujiang Railway, and other national railways.
Table 7-8
Crossing controls of urban roads and railways
Railways Crossing approach Roads |
High-speed, express, and intercity railways |
Mainlines |
Special service branch lines |
Express roads |
Overpass |
Overpass |
Overpass |
Arterial roads |
Overpass |
Overpass |
Overpass |
Sub-arterial roads |
Overpass |
Overpass |
Level crossing |
Branch roads |
Overpass |
Overpass |
Level crossing |
Table 7-9
Control clearances of urban roads (Unit: m)
Vehicles and passengers Overhead clearance Road |
Motor vehicles |
Non-motor vehicles and passengers |
Express roads |
≥5.0 |
≥2.8 |
Arterial roads |
≥5.0 |
≥2.8 |
Sub-arterial roads |
≥4.5 |
≥2.8 |
Branch roads |
≥4.5 |
≥2.6 |
Note: The control clearance of urban roads used for mini-passenger cars only may be lowered reasonably, with the min. clearance of 3.5m.
Table 8-1
Classification of gas stations (Unit: m3)
Level |
Tank volume |
|
Total volume |
Single volume |
|
I |
150<V≤210 |
≤50 |
II |
90<V≤150 |
≤50 |
III |
V≤90 |
Gasoline tank ≤30; diesel tank ≤50 |
Note: The volume of diesel tanks can be divided by two before being added into the total tank volume.
Table 8-2
Classification of LPG stations (Unit: m3)
Level |
Tank volume |
|
Total volume |
Single volume |
|
I |
45<V≤60 |
≤30 |
II |
30<V≤45 |
≤30 |
III |
V≤30 |
≤30 |
Note: V is the total volume of LPG tanks.
Table 8-3
Classification of gas and LPG combined stations (Unit: m3)
Level |
Total volume of LPG tanks |
Total volume of LPG and gas tanks |
I |
V≤45 |
120<V≤180 |
II |
V≤30 |
60<V≤120 |
III |
V≤20 |
≤60 |
Note: 1. The volume of diesel tanks can be divided by two before being added into the total tank volume.
2. If the total tank volume is >90m3, the volume of a single gas tank shall not be >50m3. If the total tank volume is ≤90m3, the volume of a single gasoline tank shall not be >30m3, and the volume of a single diesel tank shall not be >50m3.
3. The volume of a single LPG tank shall not be >30m3.
Table 8-4
Classification of gas and CNG combined stations (Unit: m3)
Level |
Total volume of gas tanks |
Total volume of gas storage facilities of a standard CNG station |
Gas storage facilities of a secondary CNG station |
I |
90<V≤120 |
V≤24 |
The total volume of fixed gas storage facilities ≤12; with parking space reserved for a tank trailer |
II |
V≤90 |
||
III |
V≤60 |
V≤12 |
With parking space reserved for a tank trailer |
Note: 1. The volume of diesel tanks can be divided by two before being added into the total tank volume.
2. If the total tank volume is >90m3, the volume of a single gas tank shall not be >50m3. If the total tank volume is ≤90m3, the volume of a single gasoline tank shall not be >30m3, and the volume of a single diesel tank shall not be >50m3.
Table 8-5
Safety distance between the LPG tanks and the buildings (structures) outside stations (Unit: m)
|
Above-ground LPG tanks |
Buried LPG tanks |
|||||||
Buildings (structures) outside stations |
Stations of Level I |
Stations of Level II |
Stations of Level III |
Stations of Level I |
Stations of Level II |
Stations of Level III |
|||
Important public buildings |
100 |
100 |
100 |
100 |
100 |
100 |
|||
Sites with open fire or sparks |
45 |
38 |
33 |
30 |
25 |
18 |
|||
Protection category of civil buildings |
Category I |
||||||||
Category II |
35 |
28 |
22 |
20 |
16 |
14 |
|||
Category III |
25 |
22 |
18 |
15 |
13 |
11 |
|||
Workshops and storerooms of goods of Categories I & II, and tanks of liquid of Categories I & II |
45 |
45 |
40 |
25 |
22 |
18 |
|||
Workshops and storerooms of goods of Categories III, IV & V, tanks of liquid of Category III, and buried tanks of liquid of Categories I & II with a volume ≤50m3 |
32 |
32 |
28 |
18 |
16 |
15 |
|||
Outdoor power transformer and distribution stations |
45 |
45 |
40 |
25 |
22 |
18 |
|||
Railways |
45 |
45 |
45 |
22 |
22 |
22 |
|||
Urban roads |
Express roads & arterial roads |
15 |
13 |
11 |
10 |
8 |
8 |
||
Sub-arterial roads & branch roads |
12 |
11 |
10 |
8 |
6 |
6 |
|||
Overhead communication lines & communication launch towers |
1.5 times the pole (tower) height |
1 time the pole (tower) height |
75% of the pole (tower) height |
||||||
Overhead power lines |
Without insulation |
1.5 times the pole (tower) height |
1.5 times the pole (tower) height |
1 time the pole (tower) height |
|||||
With insulation |
1 time the pole (tower) height |
75% of the pole (tower) height |
|||||||
Note: 1. The outdoor power transformer and distribution stations refer to the outdoor power transformer and distribution stations with the power system voltage of 35 kV~500kV and the capacity of a single transformer of or above 10MV•A, as well as the outdoor step-down transformer stations of industrial enterprises with the total oil quantity of or above 5t. For the power transformer and distribution stations, and transformers of other specifications, the safety distance for the workshops of goods of Categories III shall apply.
2. The roads in the foregoing table refer to motor vehicle roads. For the safety distance from the oil tanks, oil dispensers and air vents to the suburban highways, the safety distance for urban roads shall apply. For the highways, first-class roads and second-class roads, the safety distance for urban express roads and arterial roads shall apply. For the third-class roads and fourth-class roads, the safety distance for urban sub-arterial roads and branch roads shall apply.
3. The distance from the LPG tanks to the entrances, exits, doors and windows of basements of buildings (structures) of Categories I, II and III outside stations shall be 1.5 times the safety distance for buildings (structures) of Categories I, II and III in the foregoing table.
4. For the civil buildings with fire resistance rating of Levels I and II, if their walls facing the gas stations are solid walls without holes of doors and windows, the distance between the LPG tanks and such buildings shall not be smaller than 70% of the safety distance provided in the foregoing table.
5. For the overall-assembled gas stations of above-ground LPG tanks with a capacity ≤10m3, the distance between their tanks and the buildings (structures) outside stations shall not be smaller than 80% of the safety distance for above-ground tanks of stations of Level III provided in the foregoing table.
6. The distance between the LPG tanks and the separate civil buildings with a floor area not more than 200m2 shall not be smaller than 80% of the safety distance for buildings (structures) of Category III, and also not be smaller than the safety distance for stations of Level III in the foregoing table.
Table 8-6
Safety distance from the LPG unloading spots, gas dispensers and bleeder orifices to the buildings (structures) outside stations (Unit: m)
Buildings (structures) outside stations Important public buildings |
LPG equipment |
||||
Unloading spots |
Bleeder orifices |
Gas dispensers |
|||
Sites with open fire or sparks |
100 |
100 |
100 |
||
Buildings (structures) outside stations |
25 |
18 |
18 |
||
Protection category of civil buildings |
Category I |
||||
Category II |
16 |
14 |
14 |
||
Category III |
13 |
11 |
11 |
||
Workshops and storerooms of goods of Categories I & II, and tanks of liquid of Categories I & II |
22 |
20 |
20 |
||
Workshops and storerooms of goods of Categories III, IV & V, tanks of liquid of Category III, and buried tanks of liquid of Categories I & II with a volume ≤50m3 |
16 |
14 |
14 |
||
Outdoor power transformer and distribution stations |
22 |
20 |
20 |
||
Railways |
22 |
22 |
22 |
||
Urban roads |
Express roads & arterial roads |
8 |
8 |
6 |
|
Sub-arterial roads & branch roads |
6 |
6 |
5 |
||
Overhead communication lines & communication launch towers |
|
||||
Overhead power lines |
Without insulation |
1 time the pole (tower) height |
|||
With insulation |
75% of the pole (tower) height |
||||
Note: 1. The outdoor power transformer and distribution stations refer to the outdoor power transformer and distribution stations with the power system voltage of 35 kV~500kV and the capacity of a single transformer of or above 10MV•A, as well as the outdoor step-down transformer stations of industrial enterprises with the total oil quantity of or above 5t. For the power transformer and distribution stations, and transformers of other specifications, the safety distance for the workshops of goods of Categories III shall apply.
2. The roads in the foregoing table refer to motor vehicle roads. For the safety distance from the oil tanks, oil dispensers and air vents to the suburban highways, the safety distance for urban roads shall apply. For the highways, first-class roads and second-class roads, the safety distance for urban express roads and arterial roads shall apply. For the third-class roads and fourth-class roads, the safety distance for urban sub-arterial roads and branch roads shall apply.
3. The distance from the LPG unloading spots, gas dispensers and bleeder orifices to the entrances, exits, doors and windows of basements of buildings (structures) of Categories I, II and III outside stations shall be 1.5 times the safety distance for buildings (structures) of Categories I, II and III in the foregoing table.
4. For the civil buildings with fire resistance rating of Levels I and II, if their walls facing the gas stations are solid walls without holes of doors and windows, the distance between the LPG tanks and such buildings shall not be smaller than 70% of the safety distance provided in the foregoing table.
5. The distance from the LPG unloading spots, gas dispensers and bleeder orifices to the separate civil buildings with a floor area not more than 200m2 shall not be smaller than 80% of the safety distance for buildings (structures) of Category III in the foregoing table, and also not be smaller than 11m.
Table 8-7
Safety distance between the CNG equipment and the buildings (structures) outside stations (Unit: m)
Buildings (structures) outside stations Important public buildings |
CNG equipment |
||||
Tanks |
Centralized bleeder orifices |
Gas storage wells, dispensers (unloaders), desulfuring and dewatering equipment, and compressors (compressor rooms) |
|||
Sites with open fire or sparks |
50 |
30 |
30 |
||
Buildings (structures) outside stations |
30 |
25 |
20 |
||
Protection category of civil buildings |
Category I |
||||
Category II |
20 |
20 |
14 |
||
Category III |
18 |
15 |
12 |
||
Workshops and storerooms of goods of Categories I & II, and tanks of liquid of Categories I & II |
25 |
25 |
18 |
||
Workshops and storerooms of goods of Categories III, IV & V, tanks of liquid of Category III, and buried tanks of liquid of Categories I & II with a volume ≤50m3 |
18 |
18 |
13 |
||
Outdoor power transformer and distribution stations |
25 |
25 |
18 |
||
Railways |
30 |
30 |
22 |
||
Urban roads |
Express roads & arterial roads |
12 |
10 |
6 |
|
Sub-arterial roads & branch roads |
10 |
8 |
5 |
||
Overhead communication lines & communication launch towers |
|
1 time the pole (tower) height |
1 time the pole (tower) height |
||
Overhead power lines |
Without insulation |
1.5 times the pole (tower) height |
1.5 times the pole (tower) height |
1 time the pole (tower) height |
|
With insulation |
1 time the pole (tower) height |
1 time the pole (tower) height |
|||
Note: 1. The outdoor power transformer and distribution stations refer to the outdoor power transformer and distribution stations with the power system voltage of 35 kV~500kV and the capacity of a single transformer of or above 10MV•A, as well as the outdoor step-down transformer stations of industrial enterprises with the total oil quantity of or above 5t. For the power transformer and distribution stations, and transformers of other specifications, the safety distance for the workshops of goods of Categories III shall apply.
2. The roads in the foregoing table refer to motor vehicle roads. For the safety distance from the oil tanks, oil dispensers and air vents to the suburban highways, the safety distance for urban roads shall apply. For the highways, first-class roads and second-class roads, the safety distance for urban express roads and arterial roads shall apply. For the third-class roads and fourth-class roads, the safety distance for urban sub-arterial roads and branch roads shall apply.
3. The distance to the main entrances and exits of important public buildings (incl. the entrances and exits of railways, metro stations, and tunnels of second-class or superior roads) shall not be smaller than 50m.
4. For the fire separation distance between the fixed parking spaces of tank trailers and the buildings (structures) outside stations, the safety distance for gas tanks in the foregoing table shall apply.
5. For the civil buildings with fire resistance rating of Levels I and II, if their walls facing the gas stations are solid walls without holes of doors and windows, the distance between the CNG process equipment and such buildings shall not be smaller than 70% of the safety distance provided in the foregoing table.
Table 8-8
Safety distance between the LNG equipment and the buildings (structures) outside stations (Unit: m)
Buildings (structures) outside stations Important public buildings |
LNG equipment |
|||||||
Above-ground LNG tanks |
Bleeder orifices and dispensers |
Unloading spots |
||||||
Stations of Level I |
Stations of Level II |
Stations of Level III |
||||||
Buildings (structures) outside stations |
80 |
80 |
80 |
50 |
50 |
|||
Important public buildings |
35 |
30 |
25 |
25 |
25 |
|||
Protection category of civil buildings |
Category I |
|||||||
Category II |
25 |
20 |
16 |
16 |
16 |
|||
Category III |
18 |
16 |
14 |
14 |
14 |
|||
Workshops and storerooms of goods of Categories I & II, and tanks of liquid of Categories I & II |
35 |
30 |
25 |
25 |
25 |
|||
Workshops and storerooms of goods of Categories III, IV & V, tanks of liquid of Category III, and buried tanks of liquid of Categories I & II with a volume ≤50m3 |
25 |
22 |
20 |
20 |
20 |
|||
Outdoor power transformer and distribution stations |
40 |
35 |
30 |
30 |
30 |
|||
Railways |
80 |
60 |
50 |
50 |
50 |
|||
Urban roads |
Express roads & arterial roads |
12 |
10 |
8 |
8 |
8 |
||
Sub-arterial roads & branch roads |
10 |
8 |
8 |
6 |
6 |
|||
Overhead communication lines & communication launch towers |
|
75% of the pole (tower) height |
75% of the pole (tower) height |
|||||
Overhead power lines |
Without insulation |
1.5 times the pole (tower) height |
1.5 times the pole (tower) height |
1 time the pole (tower) height |
||||
With insulation |
1 time the pole (tower) height |
75% of the pole (tower) height |
||||||
Note: 1. The outdoor power transformer and distribution stations refer to the outdoor power transformer and distribution stations with the power system voltage of 35 kV~500kV and the capacity of a single transformer of or above 10MV•A, as well as the outdoor step-down transformer stations of industrial enterprises with the total oil quantity of or above 5t. For the power transformer and distribution stations, and transformers of other specifications, the safety distance for the workshops of goods of Categories III shall apply.
2. The roads in the foregoing table refer to motor vehicle roads. For the safety distance from the oil tanks, oil dispensers and air vents to the suburban highways, the safety distance for urban roads shall apply. For the highways, first-class roads and second-class roads, the safety distance for urban express roads and arterial roads shall apply. For the third-class roads and fourth-class roads, the safety distance for urban sub-arterial roads and branch roads shall apply.
3. The distance from the buried LNG tanks, underground LNG tanks and semi-underground LNG tanks to the buildings (structures) outside stations shall not be smaller than 50%, 70% and 80% of the safety distance for above-ground LNG tanks separately, and the min. distance is 6m.
4. For the civil buildings with fire resistance rating of Levels I and II, if their walls facing the gas stations are solid walls without holes of doors and windows, the distance between the LNG tanks and such buildings shall not be smaller than 70% of the safety distance provided in the foregoing table.
5. The distance from the LNG tanks, bleeder orifices, gas dispensers and unloading spots to the separate civil buildings with a floor area not more than 200m2 shall not be smaller than 80% of the safety distance for buildings (structures) of Category III in the foregoing table.
Table 8-9
Requirements on transfer stations of domestic wastes
Capacity(t/d) |
Distance from neighboring buildings (m) |
Width of green belts (m) |
1000≤ t <3000 |
≥50 |
≥20 |
450≤ t <1000 |
≥30 |
≥15 |
150≤ t <450 |
≥15 |
≥8 |
50≤t<150 |
≥10 |
≥5 |
<50 |
≥8 |
≥3 |
Table 8-10
Min. horizontal clearance between overhead pipelines and between overhead pipelines and buildings (structures) (m)
Categories |
Buildings (projecting part) |
Roads (curb) |
Railways (track center) |
Heating |
||||||
Electric power |
1-10KV |
Side cable |
2.0 |
Side cables |
0.5 |
Side cables |
Pole height +3.0 |
Side cables |
2.0 |
|
35KV |
3.0 |
0.5 |
Pole height +3.0 |
4.0 |
||||||
110KV |
4.0 |
0.5 |
Pole height +3.0 |
4.0 |
||||||
220KV |
Side cable |
5.0 |
Outer edge of poles or towers |
5.0 |
Outer edge of poles or towers |
Crossing: 30.0 Horizontal: pole height +3.0 |
Side cables |
Max. Pole height |
||
330KV |
6.0 |
6.0 |
||||||||
500KV |
8.5 |
8.0 |
||||||||
750KV |
11.0 |
10.0 |
||||||||
Information & communications |
2.0 |
0.5 |
4/3 of pole height |
1.5 |
||||||
Heating |
1.0 |
1.5 |
3.0 |
\ |
||||||
Table 8-11
Min. vertical clearance between overhead pipelines and between overhead pipelines and buildings (structures) where crossing (m)
Categories |
Buildings (top) |
Roads (ground surface) |
Railways (rail top) |
Information & communications |
Heating |
||
Power cables with lightning protection system |
Power cables without lightning protection system |
||||||
Electric power |
10KV or below |
3.0 |
7.0 |
7.5 |
2.0 |
4.0 |
2.0 |
35-110KV |
4.0 |
7.0 |
7.5 |
3.0 |
5.0 |
3.0 |
|
220KV |
6.0 |
8.0 |
8.5 |
4.0 |
Determined after professional evaluation and demonstration |
5.0 |
|
330KV |
7.0 |
9.0 |
9.5 |
5.0 |
6.0 |
||
500KV |
9.0 |
14.0 |
14.0 |
8.5 |
7.5 |
||
750KV |
11.5 |
19.5 |
19.5 |
12.0 |
9.5 |
||
Information & communications |
1.5 |
4.5 |
7.0 |
0.6 |
0.6 |
1.0 |
|
Heating |
0.6 |
4.5 |
6.0 |
1.0 |
1.0 |
0.25 |
Table 8-12
Min. horizontal clearance between underground utilities pipelines and between underground utilities pipelines and buildings (structures)
No. |
Categories |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
|||||||||||||
Buildings |
Water supply |
Sewerage& rainwater |
Gas |
Heating |
Electric power |
Information & communications |
Arbors (central) |
Shrubs |
Above-ground poles |
Curbs |
Railways (or toes) |
|||||||||||||||
d≤ 200mm |
d> 200mm |
Low pressure |
Medium pressure |
High pressure |
Buried |
Trenches |
Buried |
Trays |
Buried |
Pipes |
Communications, lighting & <10kv |
Near high pressure transmission tower foundations |
||||||||||||||
B |
A |
B |
A |
|
|
≤35kv |
>35kv |
|||||||||||||||||||
1 |
Buildings |
|
1.0 |
3.0 |
2.5 |
0.7 |
1.5 |
2.0 |
4.0 |
6.0 |
2.5 |
0.5 |
0.5 |
1.0 |
1.5 |
3.0 |
1.5 |
* |
∕ |
6.0 |
||||||
2 |
Water supply |
d≤200mm |
1.0 |
∕ |
1.0 |
0.5 |
1.0 |
1.5 |
1.5 |
0.5 |
1.0 |
1.5 |
0.5 |
3.0 |
1.5 |
5.0 |
||||||||||
d>200mm |
3.0 |
1.5 |
||||||||||||||||||||||||
3 |
Sewerage& rainwater |
2.5 |
1.0 |
1.5 |
|
1.0 |
1.2 |
1.5 |
2.0 |
1.5 |
0.5 |
1.0 |
1.5 |
0.5 |
1.5 |
1.5 |
||||||||||
4 |
Gas |
Low pressure |
P≤0.05MPa |
0.7 |
0.5 |
1.0 |
DN≤300mm0.4 DN>300mm0.5 |
1.0 |
0.5 |
0.5 |
1.0 |
1.2 |
1.0 |
1.0 |
5.0 |
1.5 |
||||||||||
Medium pressure |
0.005MPa<P≤0.2MPa |
1.5 |
1.2 |
1.0 |
1.5 |
|||||||||||||||||||||
0.2MPa<p≤0.4MPa |
2.0 |
|||||||||||||||||||||||||
High pressure |
0.4MPa<p≤0.8MPa |
4.0 |
1.0 |
1.5 |
1.5 |
2.0 |
1.0 |
1.0 |
2.5 |
|||||||||||||||||
0.8MPa<p≤1.6MPa |
6.0 |
1.5 |
2.0 |
2.0 |
4.0 |
1.5 |
1.5 |
|||||||||||||||||||
5 |
Heating |
Buried |
2.5 |
1.5 |
1.5 |
1.0 |
1.0 |
1.5 |
2.0 |
∕ |
2.0 |
1.0 |
1.5 |
1.0 |
2.0 |
3.0 |
1.5 |
1.0 |
||||||||
Trenches |
0.5 |
1.5 |
2.0 |
4.0 |
||||||||||||||||||||||
6 |
Electric power |
Buried |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
1.0 |
1.5 |
2.0 |
∕ |
0.5 |
1.0 |
0.6 |
1.5 |
3.0 |
||||||||||
Trays |
||||||||||||||||||||||||||
7 |
Information & communications |
Buried |
1.0 |
1.0 |
1.0 |
0.5 |
1.0 |
1.5 |
1.0 |
0.5 |
0.5 |
1.0 |
1.0 |
0.5 |
0.6 |
1.5 |
2.0 |
|||||||||
Pipes |
1.5 |
1.0 |
1.5 |
|||||||||||||||||||||||
8 |
Arbors (central) |
3.0 |
1.5 |
1.5 |
1.2 |
1.5 |
1.0 |
1.0 |
1.5 |
∕ |
1.5 |
∕ |
0.5 |
∕ |
||||||||||||
9 |
Shrubs |
1.5 |
1.0 |
|||||||||||||||||||||||
10 |
Above-ground poles |
Communications, lighting & <10kv |
* |
0.5 |
0.5 |
1.0 |
1.0 |
0.6 |
0.5 |
1.5 |
∕ |
0.5 |
∕ |
|||||||||||||
Near high pressure transmission tower foundations |
≤35kv |
3.0 |
1.5 |
1.0 |
2.0 |
0.6 |
∕ |
|||||||||||||||||||
>35kv |
5.0 |
3.0 |
||||||||||||||||||||||||
11 |
Curbs |
∕ |
1.5 |
1.5 |
1.5 |
2.5 |
1.5 |
1.5 |
1.5 |
0.5 |
0.5 |
∕ |
∕ |
|||||||||||||
12 |
Rails (or toes) |
6.0 |
5.0 |
1.0 |
3.0 |
2.0 |
∕ |
∕ |
∕ |
∕ |
Note: For *, see Table 8-10.
Table 8-13
Min. vertical clearance between underground utilities pipelines where crossing (m)
No. |
Categories |
1 |
2 |
3 |
4 |
5 |
6 |
|||
Water supply |
Sewerage& rainwater |
Heating |
Gas |
Information & communications |
Electric power |
|||||
Buried |
Pipes |
Buried |
Trays |
|||||||
1 |
Water supply |
0.15 |
|
|
|
|
|
|
|
|
2 |
Sewerage& rainwater |
0.40 |
0.15 |
|
|
|
|
|
|
|
3 |
Heating |
0.15 |
0.15 |
0.15 |
|
|
|
|
|
|
4 |
Gas |
0.15 |
0.15 |
0.15 |
0.15 |
|
|
|
|
|
5 |
Information & communications |
Buried |
0.50 |
0.50 |
0.15 |
0.50 |
0.25 |
0.25 |
|
|
Pipes |
0.15 |
0.15 |
0.15 |
0.15 |
0.25 |
0.25 |
|
|
||
6 |
Electric power |
Buried |
0.15 |
0.50 |
0.50 |
0.50 |
0.50 |
0.50 |
0.50 |
0.50 |
Trays |
0.15 |
0.50 |
0.50 |
0.15 |
0.50 |
0.50 |
0.50 |
0.50 |
||
7 |
Trenches (bottom of foundations) |
0.50 |
0.50 |
0.50 |
0.50 |
0.50 |
0.50 |
0.50 |
0.50 |
|
8 |
Culverts (bottom of foundations) |
0.15 |
0.15 |
0.15 |
0.15 |
0.25 |
0.25 |
0.50 |
0.50 |
|
9 |
Trolley buses (bottom of rails) |
1.00 |
1.00 |
1.00 |
1.00 |
1.00 |
1.00 |
1.00 |
1.00 |
|
10 |
Railways & urban rails (bottom of rails) |
1.00 |
1.20 |
1.20 |
1.20 |
1.00 |
1.00 |
1.00 |
1.00 |
Note: The min. vertical clearance between buried electric power cables of voltage >35KV and heating pipelines shall be 1.00m.