HG/T 20649-1998 Chemical Enterprise General Plan Transportation Design Specification
Some standard content:
Industry Standard of the People's Republic of China
HG/T20649-1998
Design Code for General Plot Plan and Transportation ofChemical Industrial Enterprises1998—06-22 Issued
National Petroleum and Chemical Industry Bureau
1999—01—01 Implementation
Standard Name
Chemical Plant Piping Layout Design
Chemical Plant Piping Mechanical Design
Chemical Plant Automatic Control Engineering Design
Automatic Control Professional Design Management Regulations
Automatic Control Professional Engineering Design Documents
Preparation Regulations
Automatic Control Professional Engineering Design Documents
In-depth Regulations
Automatic Control Professional Engineering Design Synonyms
Model Charts and Standard Catalog
Chemical Enterprise General Layout Transportation Design
Chemical Enterprise Automobile Transportation Design
Operation Cost Calculation Regulations
Chemical Enterprise Railway Transportation Design
Operation Cost Calculation Regulations
Overall Model Design Regulations
HG/T 20549-1998
HG/T 20645-1998
HG/T 20636-1998
HG/T-20637--1998||HG/T 20638-1998
HG/T 20639--1998
HG/T 20649--1998
HG/T 20650--1998
HG/T 20651-1998
HG/T 20647-1998
Equipment Layout Model Design Regulations|HG/T20648--1998 Organizing Unit
National Chemical Process Piping
Design Technology Center Station
National Chemical Process Piping
Design Technology Center Station
National Chemical Automatic Control
Design Technology Center Station
National Chemical Master Plan Transportation
Design Technology Center Station
National Chemical Master Plan Transportation
Design Technology Center Station
National Chemical Model Design
Technology Center Station
National Chemical Model Design
Technical Center Station
Editor Unit
National Chemical Process Piping
Design Technology Center Station
China Chengda Chemical Engineering
China Chengda Chemical Engineering
Company, etc.
National Chemical General Layout Transportation
Design Technology Center Station
China Tianchen Chemical Engineering
Jilin Chemical Group Design Institute
National Chemical Model Design
Technical Center Station
National Chemical Model Design
Technical Center Station
Industry Standards of the People's Republic of China
Chemical Enterprise General Layout Transportation Design Specifications
Design Code for General Plot Plan and Transportation of Chemical Industrial Enterprises HG/T20649—1998
Main Editor: National Chemical Engineering Transportation Design Technology Center Approval Department: State Petroleum and Chemical Industry Bureau Implementation Date: January 1, 1999 National Chemical Engineering Construction Standard Editing Center (formerly Chemical Engineering Construction Standard Editing Center) 1999 Beijing
Revision Notes
This code is revised according to the task issued by the former Ministry of Chemical Industry Department Bureau Chemical Construction Standard (1995) No. 33. The content of this code includes: general principles, site selection, overall layout of chemical industry area, general plane layout, vertical design, comprehensive layout of pipelines, greening design, transportation design and four appendices.
During the revision process of this code, the implementation status and existing problems of the original code were summarized, the opinions of various users were widely solicited, and investigations and studies were conducted. On this basis, all chapters of the original code were supplemented and modified, and finally the former Ministry of Chemical Industry organized relevant departments to review and finalize the draft.
This specification is edited by the former General Layout and Transportation Design Technology Center of the Ministry of Chemical Industry, and China Chengda Chemical Engineering Company, China Huanqiu Chemical Engineering Company, China Tianchen Chemical Engineering Company, China Hualu Engineering Company, Nanjing Chemical Industry Company Design Institute and other companies participated in the preparation work.
Hu Zhaoling, Yan Liang, Gao Xuelan, Zhang Mingli, Song Xiaoguang, Li Chongqing Main drafters: Ni Jiaxian
Site selection
2.1 General provisions
2.2 Technical requirements
2.3 Residential area
3 Overall layout of chemical industry area
3.1 General provisions
3.2 Transportation
3.3 Public engineering facilities
3.4 Storage facilities
3.5 Residential area
3.6 Construction base and construction land
3.7 Solid waste dump
General layout.
General provisions
4.2 Production facilities
43 Auxiliary production and public engineering facilities
4.4 Storage facilities
Transportation facilities
Production management and life service facilities
Vertical design
General provisions
5.2 Determination of design elevation
5.3 Stepped vertical design
5.4 Site drainage
5.5 Earthwork (rock) engineering
Comprehensive layout of pipelines
General provisions
6.2 Underground pipelines..
6.3 Aboveground pipelines
Greening design
General provisions
7.2 Edge layout and plant selection
7.3 Sanitary protection forest belt
8 Transportation designbzxZ.net
General provisions
(2)
(3)
(3)
(5)
(7)
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(37)
(38)
8. 2 Enterprise Railways
8.3 Road and Automobile Transportation in Guangnan
8.4 Enterprise Wharf
Main Technical and Economic Indicators
Appendix A Calculation of Building Coefficient and Utilization Coefficient:+
Appendix B Soil Looseness Coefficient·
Appendix C Calculation of Plant Area Greening Rate
Appendix D Explanation of Terms and Terms Used in This Code
Explanation of Articles
(49)
1 General Provisions
1.0.1 This code is formulated to unify the principles and technical requirements for the general layout transportation design of chemical enterprises. 1.0.2 This code is applicable to the general layout transportation design of chemical enterprises except chemical mining enterprises. 1.0.3· The general layout transportation design of chemical enterprises must implement the basic national policy of "cherishing and rationally utilizing every inch of land and effectively protecting cultivated land", take measures according to local conditions, save land, and improve land utilization rate. 1.0.4 The transportation design of the general layout of chemical enterprises should be in line with national conditions, with reasonable layout, safe production, convenient life, advanced technology, environmental protection, investment saving, low operating costs, and conducive to improving the economic, social and environmental benefits of the enterprise. 1.0.5 When designing the transportation design of the general layout of chemical enterprises, a technical and economic comparison of the schemes should be carried out, and the best design scheme should be determined. 1.0.6 In addition to complying with this specification, the transportation design of the general layout of chemical enterprises should also comply with the provisions of the current national mandatory standards for fire prevention, safety, sanitation, environmental protection, transportation and urban planning. When building chemical enterprises in earthquake zones with seismic fortification intensity of six degrees or above and areas with special natural conditions such as collapsible loess and expansive soil, the provisions of the current national relevant specifications should also be implemented. 2 Site selection
2.1 General provisions
2.1.1 The site selection should be carried out in collaboration with relevant departments and relevant professionals, and an in-depth investigation and study of the conditions for building the plant should be conducted. 2.1.2 When selecting a site, a technical and economic comparison of the options should be conducted, and the site with good economic, social and environmental benefits should be selected.
2.1.3 The site should be in line with the national industrial layout and coordinated with the overall planning of local cities and industrial zones. 2.1.4 When selecting a site, the construction sites of residential areas, transportation facilities, public engineering facilities and environmental protection projects should be selected at the same time.
2.1.5 The site should be close to the main raw material and fuel supply areas or the main product sales areas and areas with good cooperation conditions. 2.1.6 The factory site should have convenient, smooth and economical transportation conditions. For factories near rivers, lakes and seas, when the navigation conditions can meet the factory's transportation requirements, water transportation should be fully utilized, and the factory site should be close to areas suitable for the construction of docks. 2.1.7 The factory site should have sufficient, reliable water and power sources that meet the requirements of production and life, and can meet the needs of enterprise development. 2.1.8 The factory site should be close to towns or areas where employees can live conveniently, and should be located downwind of the most frequent wind direction or upwind of the least frequent wind direction in the town or residence throughout the year. 2.1.9 Enterprises that emit or emit a large amount of harmful gases should not choose their sites in areas where the inversion layer is low and thick and where the frequency of calm wind exceeds 45% throughout the year. 2.1.10 Factories that produce environmental noise pollution should not choose their sites in noise-sensitive areas; factories that are sensitive to external noise should avoid choosing their sites in environments that produce noise pollution according to their normal production and operation requirements. 2.1.11 The factory site should not be selected in the following areas or regions: 1 Seismic faults and earthquake zones with a basic earthquake intensity higher than 9 degrees. 2 Areas with serious engineering geology problems.
3 Mineral deposits with mining value and mining subsidence (dislocation) areas. 4 Scenic areas, nature reserves and historical and cultural relics protection areas stipulated by the state. 5 Within the prescribed influence range for aircraft take-off and landing, radio communication, television transmission, radar navigation, astronomical, meteorological, earthquake observation and important military facilities.
6 Reservoirs that cannot ensure safety and areas that may be flooded after the reservoir dam breaks. 7 Areas that are vulnerable to floods or have a large amount of flood control projects and it is still difficult to ensure the safety of the factory. 8 Within the scope of the explosion danger zone.
9 Under large tailings ponds and waste dumps.
Areas affected by serious radioactive contamination. 10
Water supply source sanitation protection zone.
Areas with a year-round calm wind frequency of more than 60%.
2.2 Technical requirements
2.2.1 The site should have the necessary area for construction and a terrain suitable for building a factory. The site shape should be as simple as possible. And according to the needs of the factory development plan, appropriate room for development should be left. 2.2.2 The natural terrain of the site should be conducive to factory layout, in-plant transportation, site drainage and reduction of earth (stone) works, and the natural ground slope should not be greater than 5%.
2.2.3 The site should have engineering geological and hydrogeological conditions that meet the needs of the construction project. 2.2.4 The site should not be threatened by floods, tides and waterlogging. Its flood control standards should be implemented in accordance with the provisions of Table 2.2.4 and should comply with the provisions of 2.2.5 of this code. Other flood control requirements should also comply with the provisions of the current national standard "Flood Control Standard" (GB50201).
Table 2.2.4 Flood control standards
Enterprise scale
Extra-large
Note: ① The classification of enterprise scale shall be implemented in accordance with the current national regulations (the same below): Flood control standard recurrence period (years)
200~~100
100~50
②For medium-sized and above coastal chemical enterprises, when the design high tide level determined by the flood control standards in Table 2.2.4 is lower than the local historical highest tide level, the historical highest tide level should be used for verification; ③When the enterprise is submerged by floods, the losses are huge, the impact is serious, and it takes a long time to resume production, its flood control standard can be taken as the upper limit in the table or increased by one level;
When the enterprise suffers from floods, its losses and impacts are small, and production can be resumed quickly, its flood control standard can be determined according to the lower limit specified in the table:
④If the auxiliary production facility area is protected separately, its flood control standard can be appropriately lowered. However, the flood control standards for facilities that have a greater direct impact on production (such as self-provided power stations, plant-wide main substations, etc.) shall not be lowered. 2.2.5 When an enterprise is flooded by a flood, which may cause an explosion or cause a large amount of leakage and diffusion of poisonous substances such as toxic liquids, toxic gases, and radioactive substances, its flood control standards shall comply with the following provisions: 1 For medium and small chemical enterprises, their enterprise scale should be increased by two levels and their flood control standards should be determined in accordance with the provisions of Table 2.2.4 of this specification.
2 For extra-large and large chemical enterprises, in addition to adopting the highest flood control standard of Level 1 in Table 2.2.4 of this specification, special protective measures should be taken.
2.2.6 When the factory site is located on a hillside or at the foot of a mountain, it should avoid areas threatened by mountain torrents. When it is unavoidable, reliable flood interception or drainage measures should be available. The stability of the hillside should be evaluated to determine whether it is harmful to the project. 2.3 Residential area
2.3.1 The selection of residential land should comply with the overall planning of the local city or industrial area. 3
2.3.2 The safety and health protection distance between residential areas and factory areas and other facilities shall comply with the provisions of the relevant national standards in force.
2.3.3 For enterprises located in the suburbs, their residential areas should be close to towns. 2.3.4 Residential areas should make full use of wasteland, inferior land and hillside land. When using hillside areas as residential areas, sunny slopes and areas without wind should be selected, and the impact of mountain torrents and poor engineering geology should be noted. 2.3.5 The residential area should not be submerged by floods, tides and waterlogging, and the flood control standards of the site should be determined in accordance with the provisions of the local urban flood control standards.
2.3.6 The land for residential areas should be selected in the upwind or crosswind direction of the most frequent wind direction in the factory area throughout the year. 3 General layout of chemical industry zone
3.1 General provisions
3.1.1 The general layout of the chemical industry zone should be compiled based on local economic policies, natural conditions, current characteristics, and the chemical industry zone's recent construction projects and long-term development plans. A technical and economic comparison of the plans should be conducted and the best one should be selected. 3.1.2 The overall layout of chemical zones within urban planning areas should comply with the overall urban planning. The overall layout of chemical zones in non-urban planning areas should be prepared based on the principles of protecting the local environment and preventing pollution, protecting historical and cultural heritage, and making rational and effective use of land, and should be coordinated with local regional planning. 3.1.3 The overall layout of chemical zones within industrial areas should comply with the overall planning of industrial areas. And the infrastructure of industrial areas should be used as much as possible.
3.1.4 When existing chemical zones are rebuilt or expanded, their overall layout shall not hinder the development of towns, endanger the safety of towns, pollute towns, damage the environment of towns, or affect the coordination of various functions of towns. 3.1.5 The production, auxiliary production, public works, transportation, storage and other facilities in the chemical industry zone, as well as residential areas, environmental protection projects, sanitary protection belts, flood control and drainage projects, construction bases and solid waste dumps, etc., should be uniformly planned and reasonably laid out, and should meet the following requirements:
1 According to the use nature and function of the planned land, reasonable layout, saving land, not occupying or occupying less fertile land, avoiding the demolition of villages as much as possible, and making effective use of land.
2 In the overall layout, favorable conditions should be created for the formation of an investment-attractive environment. 3 Factories with close production links should be arranged close to each other, and should meet the requirements of each other for safe production, environmental protection, industrial hygiene and development.
4 It is conducive to the treatment and comprehensive utilization of the three wastes of each factory, and the location of the solid waste dump should be reasonably arranged to minimize the scope of pollution.
5 The layout of the main transportation routes and transportation facilities in the chemical industry zone should be conducive to the transportation of goods of each factory, convenient for production links between factories, smooth logistics, short routes, and should meet the work and life needs of employees. In combination with the layout of each factory, it is advisable to plan motor vehicle parking spaces in the area. The main transportation routes of the chemical zone should be coordinated with the local transportation routes and reasonably connected with the routes outside the zone.
6 When constructing in stages, the short-term should be the main focus, the short-term and long-term should be combined, and the plan should be planned once and implemented in stages. When there is no long-term product planning, the possibility of development or conversion should be left in at least one direction according to the development trend of production and specific construction conditions. 3.1.6 The overall layout of the chemical joint enterprise, in addition to the provisions of 3.1.5 of this specification, shall also meet the following requirements: 1 According to the production process of the joint enterprise, the overall layout shall be carried out in combination with the process flow within each production branch and the logistics flow and connection between the upstream and downstream branches, so that the production process of the joint enterprise is smooth and the return and relocation are reduced. 2 Public engineering facilities should be arranged in a centralized or zoned manner, as close to the load center as possible, and the outlet of various trunk pipes and lines of public engineering should be convenient, and they should be connected to each user in a short and convenient way. 5
3 The storage facilities shared by the joint enterprise should be centrally arranged, close to the railway loading and unloading lines, the land area of the wharf, and as close to the local main roads as possible.
The location of the storage facilities should be convenient for the flow of goods and personnel, and meet the requirements of the smooth production process of the joint enterprise. 4 For the branch factories with pollution sources in the joint enterprise, their layout should be conducive to reducing the scope of pollution and avoid the impact on the outside of the joint enterprise as much as possible.
3.1.7 When the chemical industry zone is located near the airport, its layout should meet the requirements of the airport clearance area for the surrounding environment. The specific requirements should comply with the provisions of the "Regulations on Protecting Airport Clearance" of the State Council and the Central Military Commission and the current industry standard "Technical Standards for Civil Aviation Transport Airport Airfields" (MHII). 3.1.8 When there is a meteorological observatory (station) in or near the chemical zone, the overall layout of the chemical zone should meet the technical requirements of meteorological observation for the environment. The observation field should be located upwind of the most frequent wind direction in the chemical zone throughout the year or downwind of the least frequent wind direction; the distance between the isolated buildings or structures in the chemical zone and the edge of the observation field should not be less than 3 times the height of the building or structure; the distance between the buildings or structures in a row should not be less than 10 times their average height, and should not be less than 50m. 3.1.9 In the layout of chemical zones threatened by floods, tides and waterlogging, full use should be made of existing flood control, tide control and drainage facilities. Newly built flood control engineering facilities should be built at one time. The planning and design of flood control projects should comply with the provisions of the current industry standard "Urban Flood Control Engineering Design Code" (CJJ50). The flood control standards of relevant facilities in the chemical zone should comply with the following provisions: 1 The flood control standards of the self-provided power stations and main substations of chemical enterprises should be consistent with the flood control standards of chemical enterprises: The flood control standards of other types of independent facilities should be determined according to the flood control requirements of their service objects. 2 Standard flood control recurrence period (years) for independent oil depots in chemical industry zones: (1) 50 years when the total capacity of the oil depot is equal to or greater than 10,000 m2; (2) 25 years when the total capacity of the oil depot is between 500 and <10,000 m2. 3 Standard flood control recurrence period (years) for chemical waste landfills: 100 years. 3.1.10 The plant-wide elevated flare should be located downwind of the most frequent wind direction or upwind of the least frequent wind direction in the chemical industry zone throughout the year or in summer. The radiant heat, light, noise, smoke and harmful gases of the flare should be avoided from affecting residential areas and places where people gather.
The sanitary protection distance between the elevated flare and the following facilities should not be less than that specified in Table 3.1.10. Table 3.1.10 Health protection distance of elevated flares Facility name
Front area
Residential area
Hospital inpatient department
Distance to flare
500~600
1500~2000
2500--3500
Note: ① The distance in the table is calculated from the center of the flare to the outermost axis or edge of the nearest building in the adjacent facilities; ② The lower limit value in the table is applicable to elevated flares with the following three types of flare heads: flare heads using wall attachment effect;
Flare heads that use steam for direct combustion support;
Flare heads that use steam mixed with air to send into the flame combustion zone. ③ The upper limit value in the table is applicable to flare heads that use steam mixed with air to send into the flame combustion zone, and the steam consumption is greater than 10t per hour. ① This table does not apply to flares other than those mentioned in Notes ② and ③. 6
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