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GB 55028-2022: Project code for special facilities Engineering
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 55028-2022 | English | 1039 |
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Project code for special facilities Engineering
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GB 55028-2022
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Standard similar to GB 55028-2022 GB 55031 GB 55030 Basic data | Standard ID | GB 55028-2022 (GB55028-2022) | | Description (Translated English) | Project code for special facilities Engineering | | Sector / Industry | National Standard | | Word Count Estimation | 47,481 | | Date of Issue | 2022-03-10 | | Date of Implementation | 2022-10-01 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China; State Administration for Market Regulation | GB 55028-2022: Project code for special facilities Engineering---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
1 General
1.0.1 This specification is formulated to clarify the basic functions, performance, and key technical measures requirements of special facility projects, and standardize the construction of special facility projects.
1.0.2 Special facility projects such as urban underground comprehensive utility corridors, disaster prevention shelters and urban construction period must implement this specification.
1.0.3 The construction of special facilities should adhere to the principles of reasonable layout, low-carbon, safe operation and maintenance, and should be combined with the near and far.
1.0.4 Whether the technical methods and measures adopted in the project construction meet the requirements of this specification shall be judged by the relevant responsible parties. Among them, innovative technical methods and measures. It shall be demonstrated and complied with the performance requirements in this specification.
2 Basic regulations
2.0.1 The configuration of space, equipment and ancillary facilities of special facilities shall meet the requirements of use functions, and shall meet the requirements of comprehensive disaster prevention, ecological protection, and protection of personal health.
2.0.2 Special facility bases should be located in areas with low risk of geological hazards, and should meet the following requirements.
1 The ground special facility base should be selected in a location with good hygienic conditions such as natural lighting and natural ventilation, and the air, soil, and water in the surrounding environment should not pose a hazard to the human body;
2 The distance between ground special facilities and mouth buildings (structures) of underground special facilities and other ground ancillary facilities, and buildings prone to danger, warehouses, storage tanks, combustible materials and material storage yards, etc. Should meet the safety protection distance requirements;
3 The site elevation of the ground special facility base should not be lower than the control elevation determined for urban flood control and waterlogging control, and should also take into account the collection and discharge of rainwater on the site, adjust and store rainwater, and reduce runoff discharge.
2.0.3 The construction and operation of special facilities shall comply with the following regulations.
1 The construction of underground special facilities should pay attention to the protection of underground space resources, and take necessary protection measures for the ecological environment and cultural heritage;
2 The layout of equipment rooms and auxiliary facilities for special facilities should not endanger the safety of public space, and measures should be taken to reduce the impact on the landscape;
3 When noise and exhaust gas pollution may be generated during the use of special facilities and their equipment, noise reduction and emission reduction measures shall be taken, and no adverse effects shall be caused to adjacent buildings;
4 Special facilities shall use energy and water resources reasonably and effectively.
2.0.4 Special facilities shall select materials and equipment that are of qualified quality and meet the requirements of green and environmental protection.
2.0.5 When a special facility reaches the design working life or encounters a natural disaster and needs to be used continuously, it should be tested and appraised, and it can be used after passing the treatment according to the appraisal conclusion.
3Urban underground comprehensive utility corridor
3.1 General provisions
3.1.1 When urban engineering pipelines are included in the comprehensive utility corridor, the following requirements shall be met.
1.When laying urban main project pipelines, the main pipeline integrated pipeline gallery should be adopted;
2 When laying urban distribution engineering pipelines, branch line comprehensive pipe gallery or cable comprehensive pipe gallery should be adopted.
3.1.2 The integrated pipe gallery should be constructed according to functional requirements.
3.1.3 When carrying out the construction of new urban districts and urban renewal, comprehensive pipeline corridors should be built in important areas and areas with dense pipelines.
3.1.4 The construction of the comprehensive utility corridor project should be reasonably arranged according to the urban development goals, development scale, land use, and spatial layout. The deployment of comprehensive utility corridors should be determined in conjunction with the planning or use of urban underground pipelines, as well as the conditions of urban roads, rail transit, water supply, rainwater, sewage, reclaimed water, natural gas, heat, electricity, radio and television, communications and other facilities, and should be in line with the ecological environment protection requirements.
3.1.5 The construction planning of the comprehensive utility gallery project should delineate the three-dimensional control line of the comprehensive utility gallery, and clarify the land use scope of the monitoring centers at all levels of the comprehensive utility gallery.
3.1.6 Ancillary facilities such as fire protection, ventilation, power supply, lighting, monitoring and alarm, drainage, identification, etc. shall be set up in the integrated utility gallery of the main line and the integrated utility gallery of the branch line.
3.1.7 The construction materials of the comprehensive utility gallery shall be determined according to the structure type, stress conditions, use requirements and environmental conditions, etc., and the main structure materials shall meet the structural safety and durability requirements.
3.1.8 The pipelines and equipment in the comprehensive utility gallery shall be waterproof, moisture-proof, fire-proof, explosion-proof and other measures according to the operating environment and the need to deal with accident hazards.
3.1.9 The daily management unit of the comprehensive utility gallery shall establish and improve the operation and maintenance management system and operation and maintenance files. And shall work out pipeline maintenance management measures, implementation rules and emergency plans in conjunction with professional pipeline units.
3.1.10 The comprehensive utility gallery shall formulate emergency plans for the following possible accidents;
1 pipeline accident;
2 man-made damage;
3 urban waterlogging;
4 fire;
5 Geological disasters or earthquakes that have a greater impact on the utility tunnel;
6 Other accidents.
3.1.11 After the completion of the comprehensive utility gallery of the main line, the protection scope of the comprehensive utility gallery shall be delineated. And guardianship measures should be taken.
3.2 Trunk comprehensive utility gallery and branch comprehensive utility gallery
3.2.1 The working life of the structural design of the comprehensive utility gallery of the main line and the comprehensive utility gallery of the branch line shall be 100 years.
3.2.2 Measures should be taken to prevent water leakage in the comprehensive utility gallery of the main line and the comprehensive utility gallery of the branch line. The total wet stain area on the inner surface of the structure should not be greater than -1/1000 of the total waterproof area; place, and the area of a single wet spot should not be greater than 0.1m2.
3.2.3 The anti-seismic fortification standard of the comprehensive utility gallery of the main line and the comprehensive utility gallery of the branch line shall be determined according to the Class B structures.
3.2.4 The mouth structures exposed on the ground of the comprehensive utility corridor of the main line and the comprehensive utility corridor of the branch line shall be in harmony with the surrounding urban landscape. For mouths with openings, the elevation of the mouth should be raised, a closed cover plate should be installed, or other measures should be taken to prevent backflow of surface water, so as to meet the waterlogging prevention requirements that the recurrence period of waterlogging prevention and control should not be less than 100 years. In areas threatened by floods, the elevation of openings shall not be lower than 0.5m above the flood control level.
3.2.5 Measures should be taken to prevent irrelevant personnel and small animals from entering the mouth structures exposed to the ground in the comprehensive utility gallery of the main line and the comprehensive utility gallery of the branch line.
3.2.6 The internal clear height of the comprehensive utility gallery of the main line shall not be less than 2.1m.
3.2.7 The clear width of the maintenance passages of the integrated pipeline gallery of the main line and the comprehensive utility gallery of the branch line shall meet the requirements for personnel passage, patrol inspection, maintenance, and transportation of pipelines, fittings, and equipment, and shall meet the following regulations.
1 When brackets or pipes are arranged on both sides of the pipe gallery, the clear width of the maintenance passage shall not be less than 1.0m;
2 When brackets or pipes are arranged on one side in the pipe gallery, the clear width of the maintenance passage shall not be less than 0.9m.
3.2.8 Combustible gas detection and alarm systems are to be installed in the cabins of integrated pipeline corridors incorporated into natural gas pipelines.
3.3 Cable integrated pipe gallery
3.3.1 Natural gas pipelines and steam pipelines should not be laid in the cable integrated utility gallery.
3.3.2 The branch port of the integrated cable gallery shall meet the requirements of the centralized access point of the plot, and the internal space of the branch port shall meet the requirements of the turning radius of the cable with the largest cross-section.
4 Disaster Prevention and Evacuation Sites
4.1 Construction requirements
4.1.1 Disaster prevention shelters should be divided into emergency shelters, fixed shelters and central shelters according to their configuration function level, refuge scale and opening hours.
4.1.2 The disaster prevention shelters should give priority to public spaces with higher terrain, relatively flat terrain, good drainage and air circulation, and certain infrastructure; refuge buildings should give priority to public buildings with high disaster resistance standards and good disaster resistance capabilities. Security should meet the following requirements.
1.Areas where landslides, collapses, ground subsidence, ground fissures, and debris flows may occur should be avoided, as well as areas where surface dislocation may occur on seismic fault zones. And should avoid flood discharge area, flood diversion outlet, flood inflow or flood back mainstream area during flood, flash flood threat area, high-voltage line corridor area;
2 It should avoid production and storage places of flammable, explosive and toxic dangerous goods, serious pollution sources, and other areas prone to secondary disasters, and should be located at a safe distance;
4.3.7 The wind-resistant design of refuge buildings shall meet the following requirements.
1 The basic wind pressure of refuge buildings used for wind disaster refuge shall be determined according to the wind pressure not less than once in 100 years, and shall not be less than 0.35kN/m2; the ground roughness type shall be increased by one category.
2 The openings of refuge buildings used for shelter from wind disasters shall be determined according to the safety of the overall structural system if they are destroyed, and the influence of indoor pressure shall be analyzed according to the fact that the largest opening is open; the indoor positive pressure effect shall be checked and calculated for the opening enclosure components.
4.3.8 The construction area of the underground space used as a shelter shall not be less than 4000m2.The site shall be equipped with emergency power supply facilities, emergency broadcasting facilities, emergency water supply and drainage facilities, emergency fire-fighting facilities, emergency ventilation facilities, emergency signs, etc.
5 Urban Sculpture
5.0.1 The setting of urban sculptures should ensure the safety of the surrounding area, the shape should match the urban functions, environment, and spatial scale, and the connotation should be coordinated with the urban history, culture, and landscape features.
5.0.2 The classification of urban sculptures shall comply with the provisions in Table 5.0.2.
5.0.3 Site selection for large and larger urban sculptures should avoid ground entrances and exits of urban underground facilities and overhead power facilities.
5.0.4 The construction of large-scale and above urban sculptures should meet the requirements of historical and cultural protection and inheritance and urban design. Factors such as site orientation, lighting direction, topography and landform, and natural loads should be considered in determining the volume of medium-sized and above-sized urban sculptures.
5.0.5 The main structure and structural components of urban sculptures should have sufficient safety, and anti-corrosion measures should be taken for urban sculptures with structural support. The working life of medium-sized and above urban sculptures and their main structure design should not be less than 50 years.
5.0.6 According to the environmental characteristics, environmental protection materials suitable for long-term outdoor placement should be selected for urban sculptures, and the materials should still meet the requirements of weather resistance.
5.0.7 Urban sculptures should take measures against wind, earthquake and lightning.
5.0.8 For the lighting design of urban sculptures, environmental protection and energy-saving light sources should be selected, and light pollution should be avoided.
5.0.9 When the city sculpture is equipped with a distribution box for direct lighting from an external power supply, a switch with isolation and protection functions shall be installed at the power receiving end of the distribution box. Distribution lines should be equipped with short-circuit and overload protection. Outdoor lighting installations should be equipped with suitable surge protectors. And take reliable lightning protection grounding measures.
5.0.10 For urban sculptures in the form of external light projection, the direct irradiation range should be controlled within the range of urban sculptures, and the value of spilled stray light and interference light should not exceed 20%
5.0.11 Urban sculptures should be regularly maintained according to design requirements.
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