Chapter 1 General Principles

Article 1.0.1 This specification is formulated in order to fully utilize the recreational functions of the park and its role in improving the environment and ensure design quality.

Article 1.0.2 This specification applies to the design of all types of parks newly built, expanded, renovated and restored nationwide. The design of ancillary green spaces in residential land, public facilities land and special land can be implemented with reference to this.

Article 1.0.3 Park design shall be carried out on the basis of the approved urban master plan and green space system plan. The relationship between parks and urban construction, between the social benefits, environmental benefits and economic benefits of parks, and between recent construction and long-term construction should be correctly handled.

Article 1.0.4 In addition to complying with this code, the design of various buildings, structures and municipal facilities in the park should also comply with the provisions of current relevant standards.

Chapter 2 General Provisions

Section 1 Relationship with Urban Planning

Article 2.1.1 The scope and nature of the park shall be based on the approved It is based on the urban master plan and green space system plan.

Article 2.1.2 The scope lines of municipal and district-level parks should coincide with the red lines of urban roads. When conditions do not permit, passages must be set up to connect the main entrances and exits with urban roads.

Article 2.1.3 The ground elevation of the park along the urban road should be compatible with the road surface elevation, and measures should be taken to avoid ground runoff from scouring and contaminating urban roads and park green spaces.

Article 2.1.4 The location of the main entrances and exits of municipal and district-level parks along the city’s main and secondary arterial roads must be compatible with urban traffic and tourist directions and flows, and tourist distribution points should be set up according to planning and traffic needs. square.

Article 2.1.5 The landscape of the park along urban roads and water systems should be coordinated with the urban style of the area.

Article 2.1.6 The land within the urban high-voltage transmission and distribution overhead line channels should not be designed as a park. There should be clear boundaries between park land and high-voltage power transmission and distribution overhead line channels.

Article 2.1.7 Overhead lines other than urban high-voltage transmission and distribution overhead lines and municipal pipelines should not pass through the park. In special circumstances, transit should comply with the following regulations:

1. Choice The lines meet the overall design requirements of the park;

2. The horizontal distance between the underground pipelines passing through the tree and shrub planting areas and the trees complies with the provisions of Appendix 2;

3. The pipelines run from the trees and shrubs to It passes through the lower part of the designed position, and the buried depth is greater than 1.5m. It passes through the lower part of the existing large tree. The ground must not be grooved and the buried depth is greater than 3m. According to the upper load, take necessary protection measures for the pipeline;

4. Propose measures to ensure the normal growth of trees through the overhead lines of the arbor forest.

Section 2 Content and Scale

Article 2.2.1 Park design must take the creation of a beautiful green natural environment as its basic task, and determine its unique content according to the type of park.

Article 2.2.2 The contents of a comprehensive park should include a variety of cultural and entertainment facilities, children's playgrounds and quiet resting areas, and game-type sports facilities may also be installed. In cities with existing zoos, it is not appropriate to set up exhibition areas for large or ferocious animals in comprehensive parks. The entire garden area should not be less than 10h?.

Article 2.2.3 Children’s parks should have children’s science education content and game facilities, and the entire park area should be larger than 2h?.

Article 2.2.4 The zoo should have an environment suitable for animals to live in; facilities for visitors to visit, rest, and science popularization; safe and hygienic isolation facilities and green belts; feed processing plants and veterinary hospitals. Quarantine stations, isolation sites and feed bases should not be located in the park. The entire garden area should be larger than 20h?.

Specialized zoos should mainly exhibit animals with regional or type characteristics. The entire garden area should be between 5 and 20 hours.

Article 2.2.5 The botanical garden should create a site environment suitable for the growth of a variety of plants, and should have a popular science exhibition area and corresponding scientific research experimental area that reflect the characteristics of the garden. The entire garden area should be larger than 40h?.

Specialized botanical gardens should mainly exhibit plants with obvious characteristics or important significance, and the entire garden area should be larger than 20 hours.

The main content of a bonsai garden should be the display of various bonsais. The area of ??an independent bonsai garden should be larger than 2h?.

Article 2.2.6 Scenic and historic parks should set up an appropriate amount of tourist trails, rest, services and public facilities on the basis of protecting the natural and cultural landscapes.

Article 2.2.7 The restoration design of historical gardens must comply with the provisions of the "Cultural Relics Protection Law of the People's Republic of China". Fire protection facilities, duty rooms, toilets, water and electricity pipelines and other engineering pipelines are installed for protection or viewing purposes, and the original condition of the cultural relics must not be changed.

Article 2.2.8 Other specialized parks should have theme content worthy of their name. The entire garden area should be larger than 2h?.

Article 2.2.9 Residential area parks and residential area amusement parks must set up children's play facilities, and at the same time, the recreational needs of the elderly should be taken into consideration. The land area of ??the residential area park depends on the population of the residential area, and should be between 5 and 10 hours. The garden area of ??a residential area should be larger than 0.5h?.

Article 2.2.10 Linear parks should have the function of isolating and decorating streets and providing short-term rest. Simple rest facilities should be set up in the park, and the plant configuration should consider the relationship with the urban environment and the viewing effect of the park's appearance by pedestrians and passengers outside the park.

Article 2.2.11 Street gardens should be mainly decorated with exquisite garden plants, pay attention to the artistic effect of the street scene, and should have facilities for short rest.

Section 3 The proportion of main land use in the park

Article 2.3.1 The proportion of land use within the park should be determined based on the park type and land area. The proportion of land used for greening, construction, garden roads and paved areas should comply with the provisions of Table 2.3.1.

If the sum of the upper limit of I, II and III and the lower limit of IV in Table 2.3.1 of Article 2.3.2 is less than 100%, the remaining land shall be used in the following situations:

1 , Under normal circumstances, increase the area of ??green land or set up paved venues, courtyards, scaffoldings, flower stands, rockeries and other structures for various activities;

2. When there are special circumstances in the land shape or landform of the park, the park road and the added value of paved sites.

Table 2.3.1 of the proportion of land within the park (%) (see attachment for details)

Article 2.3.3 The land for roads and paved areas in the park can be used in compliance with the following conditions When one of the conditions is met, the value specified in Table 2.3.1 shall be appropriately increased, but the added value shall not exceed 5% of the total area of ??the park.

1. The aspect ratio of the park plane is greater than 3;

2. The terrain slope of more than half of the park area exceeds 50%;

3. The total length of the water coastline The length is greater than the surrounding length of the park.

Section 4 Conventional Facilities

Article 2.4.1 The setting of conventional facilities should comply with the provisions of Table 2.4.1.

Table 2.4.1 of regular facilities in the park (see attachment for details)

Article 2.4.2 No restaurants or restaurants that have nothing to do with its nature and are purely for profit shall be built in the park. Buildings such as hotels and dance halls. The scale of restaurants, shops and other service facilities in the park that are convenient for tourists should be commensurate with the tourist capacity.

Article 2.4.3 Parks where the toilet area used by tourists is greater than 10h?, the toilet squatting area (including the number of urinals) should be set up at 2% of the visitor capacity. If the area is less than 10h? 1.5% setting; the ratio of male and female squatting positions is 1 to 1.5:1; the service radius of the toilet should not exceed 250m; the number of squatting positions in each toilet should be adapted to the distribution density of tourists in the park; it should be conveniently set up near the children's playground Toilets for children; parks should have toilets that are convenient for disabled people.

Article 2.4.4 The number of public benches, chairs, beauty seats (including those in all tourist buildings and structures), etc., should be set at 20% to 30% of the visitor capacity. However, the average number of seats per 1 hour of land area shall not be less than 20 and the maximum shall not exceed 150. The distribution should be reasonable.

Article 2.4.5 Parking lots and bicycle storage areas should be located near each tourist entrance and exit, and should not occupy the square inside or outside the entrance. Their land area should be determined according to the nature of the park and the means of transportation used by tourists.

Article 2.4.6 The lighting standards around garden roads, bridges, paved areas, entrances and exits, and tourist service buildings may be implemented with reference to relevant standards.

Chapter 3 Overall Design

Section 1 Capacity Calculation

Article 3.1.1 The park design must determine the visitor capacity of the park as a basis for calculating various facilities The capacity, number, land area and basis for park management.

Article 3.1.2 The park visitor capacity shall be calculated according to the following formula:

C＝A/Am　　　　　　　 (3.1.2)

Where C———— Park visitor capacity (person)

A—Total park area (?)

Am—Park area per person occupied by park visitors (?/person)

No. Article 3.1.3 The per capita park area occupied by municipal and district-level park visitors should be 60?, and the per capita area occupied by residential area parks, linear parks and residential areas should be 30?; in cities with low recent public green space per capita indicators, tourists The per capita park area can be reduced as appropriate, but the minimum per capita park land area per visitor shall not be less than 15v. The per capita park area occupied by visitors to scenic parks should be greater than 100 square meters.

Article 3.1.4 For parks where the sum of the water surface and steep mountainous areas with a slope greater than 50% exceeds 50% of the total area, the park area per visitor should be appropriately increased, and its indicators should comply with Table 3.1.4 regulations.

Indicator table 3.4.1 of the per capita occupied area of ??parks with large water surfaces and steep slopes (see attachment for details)

Section 2 Layout

Section 3.2 .1 The overall design of the park should be based on the approved design brief and combined with the current conditions to determine the division of functions or scenic spots, landscape concepts, scenic spot settings, entrance and exit locations, vertical and landforms, garden road systems, river and lake systems, plant layout and architecture. Comprehensive design of the location, scale, shape of objects and structures as well as various professional engineering pipeline systems.

Article 3.2.2 For the division of functions or scenic spots, the scale and characteristics of each zone should be determined based on the nature of the park and current conditions.

Article 3.2.3 The design of entrances and exits should determine the location of primary, secondary and dedicated entrances and exits for tourists according to urban planning and park internal layout requirements; distribution plazas, parking lots, and bicycle storage spaces inside and outside the entrances and exits need to be set up If so, its scale requirements should be determined.

Article 3.2.4 The design of the park road system shall determine the route, classification and grading of the park road, as well as the park bridges and pavement sites based on the scale of the park, the activity content of each zone, the visitor capacity and management needs. location and feature requirements.

Article 3.2.5 The road network density of garden roads should be between 200 and 380m/?; the road network density of zoos should be between 160 and 300m/?.

Article 3.2.6 The main garden road should have the function of guiding tourists and make it easy to identify the direction. Garden roads in areas where a large number of tourists gather should be obvious, smooth, and convenient for gathering and dispersing. The width of the garden road for passing maintenance and management machinery should be compatible with the machinery and vehicles. The garden road leading to the construction area should have a loop road or a return space. The special road for production management should not intersect with the main tourist road.

Article 3.2.7 The design of river and lake water systems should determine the water volume, water level, and flow direction of rivers and lakes in the park based on water sources and current terrain conditions; the location of water gates, water wells, and pump rooms; and various types of river and lake water systems. Shape of water body and usage requirements. The water depth requirements and dock location of the cruise ship water surface should be determined according to the type of boat; the swimming water surface should be divided into different water depth ranges; the viewing water surface should determine the planting range of various aquatic plants and different water depth requirements.

Article 3.2.8 The types and distribution of plant groups in the whole park should be based on the local climate conditions, environmental characteristics outside the park, and site conditions inside the park, combined with the landscape concept, protective function requirements and local Residents’ sightseeing habits are determined, and sufficient greening should be achieved to meet various recreational and aesthetic requirements.

Article 3.2.9 Building layout should determine the location, height and spatial relationship of various buildings based on functional and landscape requirements and municipal facilities conditions, and propose plan forms and entrance and exit locations.

Article 3.2.10 The location of park management facilities and toilets and other buildings should be concealed and convenient for use.

Article 3.2.11 Central heating should be used for various buildings or animal houses that require heating.

Article 3.2.12 The layout of water, electricity, gas and other lines in the park shall not damage the landscape, and shall comply with the requirements of safety, sanitation, economy and ease of maintenance. Supporting facilities for electrical, water supply and drainage projects, garbage storage areas and processing facilities should be located in hidden areas.

Article 3.2.13 It is not appropriate to set up overhead lines in the park. When they must be set up, they should comply with the following regulations:

1. Avoid major scenic spots and tourist-dense activity areas;

2. The growth of original trees must not be affected. For planned new trees to be planted, measures should be put forward to resolve the contradiction between trees and overhead lines.

Article 3.2.14 Restaurants and centralized service facilities are not allowed in areas with the best views in the park.

Section 3 Vertical Control

Article 3.3.1 Vertical control should be based on the planning elevation of urban roads around the park and the main contents of the park, making full use of the original topography and landforms, and propose The elevation of the main scenery and the requirements for the surrounding terrain A. The terrain elevation must also adapt to the existing objects to be retained and the discharge of surface water.

Article 3.3.2 Vertical control should include the following: the top of the mountain; the highest water level, normal water level, and the lowest water level; the bottom of the water; the top of the revetment; the main turning points, intersections and slope changes of the garden road; major buildings The ground floor and outdoor floors; the internal and external floors of each entrance; the burial depth of underground engineering pipelines and underground structures; the ground elevation of the viewing spots that interact with the beautiful scenery inside and outside the park.

Section 4 Current Condition Treatment

Article 3.4.1 The existing terrain, water bodies, buildings, structures, plants, above-ground or underground pipelines and engineering facilities within the park must be treated Investigate, make evaluations, and propose solutions.

Article 3.4.2 When carrying out various projects or planting designs near reserved underground pipelines and engineering facilities, protection measures and construction requirements for the original objects should be proposed.

Article 3.4.3 It is strictly prohibited to cut down or transplant ancient and famous trees in the park, and protective measures should be taken.

Article 3.4.4 The protection of ancient and valuable trees must meet the following requirements:

1. The delineation of the protection scope of ancient and valuable trees must meet the following requirements:

1? The range enclosed by 5.0m beyond the vertical projection of the crown of the outer edge tree in the mature forest zone;

2? A single tree meets the vertical projection of the crown and its outer 5.0m width and distance from the base of the trunk. The horizontal distance from the outer edge is within 20 times the diameter at breast height;

2. Within the protection scope, the topsoil layer shall not be damaged or the surface elevation shall be changed. Except for protection and reinforcement facilities, no buildings, structures and racks shall be installed (buried). Various transit pipelines shall be set up, and vines entwining ancient and valuable trees shall not be planted;

3. Near the protection area, tall objects that cause ancient and valuable trees to be in the shadow and excretion that endangers ancient and valuable trees shall not be set up. Facilities with harmful water and gas;

4. Take effective engineering and technical measures and create a good ecological environment to maintain its normal growth.

Article 3.4.5 The original robust trees, shrubs, vines and perennial herbs should be retained and utilized. Buildings, structures and engineering pipelines set up near trees must comply with the following regulations:

1. The horizontal distance complies with the provisions of Appendix 2 and 3;

2. The provisions of the previous paragraph The surface elevation must not be changed within this distance;

3. Water accumulation must not be caused.

Article 3.4.6 Buildings and structures with cultural relic value and commemorative significance should be retained and integrated into the park landscape.

Chapter 4 Terrain Design

Section 1 General Provisions

Article 4.1.1 Terrain design shall be based on the elevation of each control point determined by the overall design as basis.

Article 4.1.2 The earthwork allocation design should propose measures to utilize the original surface planting soil.

Article 4.1.3 The thickness of the planting soil layer in the planting area shall comply with the provisions of Appendix 4.

Article 4.1.4 The slope of the lawn trimmed by a human lawn mower should not exceed 25%.

Article 4.1.5 The design elevation of large height differences or large-area fill areas should be taken into account the natural settlement coefficient of the local soil.

Article 4.1.6 If the slope of the transformed terrain exceeds the natural resting angle of the soil =, engineering measures for slope protection, soil stabilization or erosion prevention should be taken.

Article 4.1.7 In low-lying areas where natural drainage cannot be utilized, underground drainage ditches should be designed.

Article 4.1.8 The soil covering depth of the original pipelines after terrain reconstruction shall comply with the relevant standards.

Section 2 Surface Drainage

Article 4.2.1 When creating terrain, the garden landscape and surface water discharge should be considered at the same time. The drainage slopes of various types of surfaces should comply with Table 4.2.1 Regulation.

Article 4.2.2 The highest water level of rivers and lakes in the park must ensure that important buildings, structures and animal cages are not flooded.

Table 4.2.1 of drainage slopes (%) of various types of ground surfaces (see attachment for details)

Section 3 Water Outer Edge

Chapter 4.3.1 Hydraulic buildings and structures shall comply with the following regulations:

1. The elevations of water inlets, drains, overflows and gates shall ensure appropriate water levels and the needs for flood discharge and dredging; < /p>

2. When the downstream elevation is so high that drainage is not smooth, solutions should be proposed;

3. Non-ornamental hydraulic facilities should be concealed in combination with landscaping.

Article 4.3.2 The water depth within 2.0m of the shore of a hard-bottomed artificial water body shall not be greater than 0.7m. If this requirement is not met, guardrails shall be installed. The water depth within 2.0m of garden bridges and pavilions without guardrails shall not be greater than 0.5m.

Article 4.3.3 The diameter of the overflow outlet should take into account the maximum one-time precipitation in the annual precipitation data.

Article 4.3.4 The height difference between the protective roof and the normal water level should take into account the landscape, safety, tourists' psychology of being close to the water and the prevention of shore erosion.

Chapter 5 Garden Road and Paved Site Design

Section 1 Garden Road

Article 5.1.1 Garden roads at all levels should be based on the overall design Based on this, determine the road width, the alignment of horizontal and vertical curves, and the pavement structure.

Article 5.1.2 The width of the garden road should comply with the provisions of Table 5.1.2.

Park road width (m) Table 5.1.2 (see attachment for details)

Article 5.1.3 Park road alignment design should comply with the following regulations:

1. Combine with terrain, water bodies, plants, buildings, paved areas and other facilities to form a complete landscape composition;

2. Create a space for continuous display of garden landscape or a perspective line for appreciating the scenery in front ;

3. The turns and connections of the road are smooth and in line with the behavioral rules of tourists.

Article 5.1.4 The longitudinal slope of the main road should be less than 8%, the transverse slope should be less than 3%, the cross slope of the aggregate road should be less than 4%, and the longitudinal and transverse slopes should not have no slope at the same time. The longitudinal slope of the road in the mountain park should be less than 12%, and if it exceeds 12%, it should be treated with anti-slip treatment. It is not suitable to set up stairways on the main garden road. When stairways must be set up, the longitudinal slope should be less than 36%.

Article 5.1.5 For branch roads and small roads, the longitudinal slope should be less than 18%. For sections with a longitudinal slope of more than 15%, the road surface should be treated with anti-slip treatment; if the longitudinal slope exceeds 18%, it should be designed according to steps and stairways. The number of steps should not be less than 2. Stairways with a slope greater than 58% should be treated with anti-slip treatment and should be set up. Barrier facilities.

Article 5.1.6 The width of a park road frequently used by motor vehicles should be greater than 4m, and the turning radius should not be less than 12m.

Article 5.1.7 Park roads should be equipped with safety protection facilities in areas with difficult terrain.

Article 5.1.8 Road sections leading to isolated islands, mountaintops and other checkpoints should be equipped with double lanes; if it is necessary to return along the original road, the road surface should be appropriately widened. Appropriate places for tourists to rest briefly and barrier facilities should be set up according to the itinerary and difficulty of the road section.

Article 5.1.9 The structure and finishes of garden roads and paved sites should be determined according to different functional requirements. The surface material should be in harmony with the park style and should be different from the urban vehicle road. Article 5.1.10 Park entrances and main park roads should be convenient for wheelchairs used by disabled people. The design of their width and slope should comply with the relevant regulations in the "Code for the Design of Urban Roads and Buildings Convenient for Disabled People" (JGJ50).

Article 5.1.11 The width of park visitor entrances and exits shall comply with the following regulations:

1. The total width shall comply with the provisions of Table 5.1.11;

Park visitor entrances and exits Lower limit of total width (m/10,000 people) Table 5.1.11 (see attachment for details)

2. The minimum width of a single entrance is 1.5m;

3. Parks holding large-scale activities , additional safety doors should be installed.

Section 2 Paved Sites

Article 5.2.1 Determine the area of ??various paved sites according to the layout requirements of the overall design of the park. Paved venues should be designed differently according to functional requirements such as distribution, activities, performances, scenery viewing, and rest.

Article 5.2.2 The lower limit of the area of ??the gathering place outside the entrance and exit of the ticket-selling park is based on the park’s visitor capacity and should be calculated as 500 per 10,000 people.

Article 5.2.3 Quiet recreational areas should be separated from noisy areas by using terrain or plants.

Article 5.2.4 The performance venue should have a suitable slope and audience seats for convenient viewing.

Section 3 Garden Bridges

Article 5.3.1 Garden bridges should determine the required dimensions for passage and navigation based on the overall design of the park, and put forward specific requirements for landscaping, viewing, etc.

Article 5.3.2 For garden bridges passing pipelines, issues such as the concealment, safety, and maintenance of the pipelines should also be considered.

Article 5.3.3 Under normal circumstances, the vehicle load level of a park bridge carrying vehicles can be calculated as vehicle level 10.

Article 5.3.4 Garden bridges that are not accessible to vehicles should have measures to prevent the passage of vehicles. The crowd load on the bridge deck is calculated as 3.5kN/?.

Article 5.3.5 The vertical force acting on the handrail of the garden bridge railing and the horizontal load on the top of the railing are calculated based on 1.0kN/m.

Chapter 6 Planting Design

Section 1 General Provisions

Article 6.1.1 The green land in the park shall be completely covered with green plants. Vertical greening can be arranged on the walls and structures of buildings.

Article 6.1.2 The planting design shall be based on the overall design requirements of the park for the type and distribution of plant groups.

Article 6.1.3 The selection of plant species shall comply with the following provisions:

1. Local suitable species that adapt to the site conditions of the planting area;

2 , Understory plants should be shade-tolerant, and their root system development must not affect the growth of tree root systems;

3. Climbing plants for vertical greening should be determined according to the attachment to the wall;

4. Have Types with corresponding resistance;

5. Adapt to the maintenance and management conditions of the planting site;

6. Types of special significance that can grow normally after improving the conditions of the planting site. < /p>

2. The degree of waste pollution will not affect the normal growth of plants;

3. The pH is appropriate;

4. The physical properties meet the requirements of Table 6.1.4;

5. If the planting soil does not meet the requirements of the above paragraphs, soil improvement must be carried out.

Article 6.1.5 The trees in the paved site should be paved with breathable paving to extend their root systems in their adult stages.

Soil physical property index table 6.1.4 (see attachment for details)

Article 6.1.6 Irrigation facilities in the park should be configured and managed according to climate characteristics, topography, soil quality, and plants Condition settings.

Article 6.1.7 The distance between trees and shrubs and various buildings, structures and various underground pipelines shall comply with the provisions of Appendix II and III.

Article 6.1.8 Seedling control shall comply with the following provisions:

1. Specify the species name, specifications and quality of seedlings;

2. According to the growth of seedlings The speed puts forward different landscape requirements in the near and long term. Important areas should take into account both the near and long term landscapes, and propose transitional measures;

3. Predict the period of thinning or interlocation.

Article 6.1.9 Landscape control of trees should comply with the following requirements:

1. Canopy density

1? Scenic woodlands should comply with Table 6.1.9

Scenic forest canopy density table 6.1.9 (see the attachment for details)

2? Each ornamental unit in the landscape forest should be calculated separately, and cluster planting and group planting should be calculated separately. The canopy closure degree should be greater than 0.5; the recent canopy closure degree should be greater than 0.6 after planting.

2. Ornamental Characteristics

1. Solitary trees and groves: Select tree species with outstanding ornamental characteristics, and determine their specifications, branch point height, posture and other requirements; and the surrounding environment or There should be clear spaces between trees; maintenance and management methods with special requirements should be proposed.

2. Tree group: Each layer in the group should be able to reveal its characteristic parts.

3. Viewing distance

1? Isolated trees, bushes and tree groups must have at least one viewing point, and the viewing distance is 1.5 times the width of the viewing surface and 2 times the height;

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2. The viewing distance of the ornamental forest edge line of a forest is more than twice the forest height.

Article 6.1.10 The above-ground growth space scale of single-row shaping hedges shall comply with the provisions of Table 6.1.10. When planting in double rows, the width should be increased by 0.3 to 0.5m according to the values ??specified in Table 6.1.10.

Spatial dimensions of various single-row hedges (m) Table 6.1.10 (see attachment for details)

Section 2 Tourist Concentration Places

Chapter 6.2.1 The selection of plants in places where tourists gather should comply with the following regulations:

1. Large-sized seedlings should be selected within the scope of tourists’ activities;

2. It is strictly prohibited to use poisonous plants that endanger the lives of tourists. ;

3. Types whose branches and leaves have hard thorns or whose branches and leaves are in the shape of sharp swords or thorns, or which have berries or secretions falling to the ground within the normal range of activities of tourists should not be selected;

4. It is not advisable to choose types with volatile substances or pollen that can cause obvious allergic reactions.

Article 6.2.2 The layout of the planting design at the distribution site should take into account the safe sight distance of traffic and the flow of people. The clearance under the branches of trees in the site should be greater than 2.2m.

Article 6.2.3 The selection of plants in children’s playgrounds should comply with the following regulations:

1. Trees should be tall and shaded, and the shade area in summer should be larger than the range of game activities. 50%;

2. Shrubs within the activity range should be medium-high species with strong germination and upright growth. The clearance under the tree branches should be greater than 1.8m.

Article 6.2.4 Plants that obstruct the view should not be placed within the auditorium area of ??the open-air performance venue. The lawn paved in the auditorium should be of a type that is resistant to trampling.

Article 6.2.5 Planting in parking lots should comply with the following regulations:

1. The spacing between trees should meet the requirements of parking spaces, passages, turning and return radius;

2. Clearance standards under the branches of shady trees:

1. Large and medium-sized car parking lots: greater than 4.0m;

2. Small car parking lots: greater than 2.5m ;

3? Bicycle parking lot: greater than 2.2m.

3. The width of the planting pond on the site should be greater than 1.5m, and protective facilities should be installed.

Article 6.2.6 The planting of adult playgrounds should comply with the following regulations:

1. Tall trees should be selected, with a clearance under the branches of not less than 2.2m;

< p>2. The shade area of ??trees in summer should be greater than 50% of the activity range. < /p>

2. Planting on the edge of garden roads that is convenient for the disabled should comply with the following regulations:

1? Cluster-type plants with hard leaves should not be used;

2? Within the scope of the road surface, the clearance under the branches of trees and shrubs shall not be less than 2.2m;

3. The distance between tree planting points and road greenery should be greater than 0.5m.

Section 3 Animal Exhibition Area

Article 6.3.1 The planting design of the animal exhibition area shall comply with the following regulations:

1. Conducive to the creation of animals A good living environment;

2. Prevent animals from escaping;

3. Create a unique plant landscape and a good environment for tourists to visit and rest;

4. Conducive to health protection and isolation.

Article 6.3.2 The selection of plant species in the animal exhibition area shall comply with the following provisions:

1. It is conducive to simulating the natural landscape of the animal’s origin area;

2. Medium and slow-growing species that are non-toxic to animals, thornless, have strong germination and have few pests and diseases should be planted within the range of animal movement.

Article 6.3.3 When planting plants in cages and animal sports grounds, measures to protect the plants should be proposed at the same time.

Section 4 Botanical Garden Exhibition Area

Article 6.4.1 The planting design of the botanical garden exhibition area should integrate the theme content of various plant exhibition areas and the results of plant introduction and domestication, science education, Combined with garden art.

Article 6.4.2 The selection of plant species displayed in the exhibition area shall comply with the following regulations:

1. Have important value for science popularization and scientific research;

2. It has special significance in urban greening and beautification functions.

Article 6.4.3 The selection of plant species in the exhibition area shall comply with the following regulations:

1. It can provide a local good ecological environment for the displayed species;

2. It can set off the ornamental characteristics of the displayed species or make up for its shortcomings;

3. It has other functions that meet the needs of tourism.

Article 6.4.4 The types of plants introduced into the exhibition area should be those that have been successfully bred in the garden or have grown for a long time in the original material garden and are basically adapted to the environmental conditions of the region.

Chapter 7 Design of Buildings and Other Facilities

Section 1 Buildings

Article 7.1.1 The location, orientation, height and volume of buildings The volume, space combination, shape, materials, colors and functions should comply with the overall design requirements of the park.

Article 7.1.2 The design of sightseeing, resting, and service buildings shall comply with the following provisions:

1. In conjunction with other gardening elements such as topography, landforms, rocks, water bodies, plants, etc. Unified and coordinated;

2. The number of floors should be one, and the height and number of floors of the building that play the role of theme and scenic spot should comply with the needs of the landscape;

3. There is a large amount of tourist traffic The width of the outdoor steps of the building should not be less than 1.5m; the width of the steps should not be less than 30cm, and the height of the steps should not be greater than 16cm; the number of steps should not be less than 2 levels; steps with a side height difference greater than 1.0m should be equipped with barrier facilities;

4. Inside and outside the building, wherever the height difference between the air and the edge of the normal activity range of tourists is greater than 1.0m, guardrail facilities should be installed, and their height should be greater than 1.05m; places with large height differences can be appropriately raised, but it is not appropriate Greater than 1.2m; the barrier facilities must be strong and durable and of a structure that is not easy to climb, and their vertical force and horizontal load should comply with the provisions of Article 5.3.5 of this specification;

5. Pavilions with suspended ceilings, Corridors, open halls, and suspended ceilings should be made of moisture-proof materials;

6. Pavilions, corridors, flower stands, open halls, and other places for visitors to sit and relax, do not use rough facing materials, nor use materials that are easy to scratch the skin. Construction of clothing.

Article 7.1.3 The indoor clear height of tourist and leisure buildings should not be less than 2.0m; the height of the lintels of pavilions, corridors, flower stands, open halls, etc. should take into account the requirements for tourists to pass or enjoy the scenery.

Article 7.1.4 The volume and chimney height of management facilities and ancillary facilities of service buildings should be strictly controlled in accordance with the principle of not damaging the landscape and environment; management buildings should not exceed 2 floors.

Article 7.1.5 "Three wastes" treatment must be designed at the same time as the building and must not affect environmental sanitation and landscape.

Article 7.1.6 Building facilities used by disabled people shall comply with the provisions of the "Code for the Design of Urban Roads and Buildings Convenient for Disabled Persons" (JGJ50).

Section 2 Revetments and Rocks

Article 7.2.1 Rivers, lakes and pools must build revetments and follow the plane alignment, vertical control points, water level and flow rate specified in the overall park design. Make a design. Safety protection at the shore should comply with the provisions of paragraphs 3 and 4 of Article 7.1.2 of this specification.

Article 7.2.2 Plain soil revetment

1. Where the slope from the top of the bank to the bottom of the water is less than 100%, it should be covered with vegetation; where the slope is greater than 100%, it should be soil-containing and anti-scouring. Technical measures;

2. The discharge of surface runoff and the treatment of the underwater part of the revetment should comply with the relevant standards.

Article 7.2.3 The revetment built by artificial masonry or concrete pouring shall comply with the following requirements:

1. The revetment foundation in cold areas shall be set below the freezing line, and the water body and The impact of frost heaving on the revetment caused by freezing of soil outside the revetment shall be noted in the design document;

2. The foundation design of the revetment foundation should comply with the "Design Code for Building Foundation Foundation" (GBJ7) regulations.

Article 7.2.4 When engineering measures are taken to reinforce the revetment, its shape, texture and color of the materials used should be coordinated with the environment.

Article 7.2.5 When stacking rockeries and setting stones, the volume, form and height must be coordinated with the surrounding environment. The color, texture, texture, etc. of the rockery materials should be specified. The size and height of the stones should also be specified. shape.

Article 7.2.6 Various functional requirements such as safety, slope protection, elevation, and isolation must be uniformly considered for stacking mountains, placing rocks, and various landscaping using rocks.

Article 7.2.7 The foundation design of stacked mountains, stone installations and rock stairways shall comply with the provisions of the "Regulations on Design of Building Foundations" (GBJ7).

Article 7.2.8 The structure of the cave for tourists to enter and exit must be stable, and measures for lighting, ventilation, and drainage should be provided, and traffic safety should be ensured.

Article 7.2.9 Stacked stones must maintain their integrity and stability. The structure of the connection between rocks, the overhangs, the rocks in the cave, and the connection between stacked rocks and other building facilities must be strong to ensure safety. The rock jointing method can be specified in the design document.