Assembled 80%! Chengdu issued the implementation opinions on vigorously promoting the high-quality development of green buildings and


Promote the introduction of Chengdu green building promotion regulations, establish and improve the green building management system for control in the stages of land transfer, project approval, construction drawing review, construction and completion acceptance, and strengthen the daily operation monitoring and management of green buildings

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Except for the parts that must be cast-in-situ, all municipal projects are constructed in the assembly mode, and the shield section of rail transit projects is constructed in the assembly mode

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Improve the energy efficiency level of green buildings

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Build green community settlements, improve the green city system, create green application scenarios, deeply plant the new advantages of Chengdu in building a convenient, balanced and green high-quality livable place, constantly enhance the people’s sense of acquisition, happiness and security, and meet the people’s yearning for a better life

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Accelerate the application of digital design basic platform and system, coordinate various disciplines of architectural design and parts, assembly construction and decoration, and promote integrated design

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Based on the urban information model (CIM) platform, it gathers urban basic data such as spatio-temporal basic data, resource survey data, planning control data and public thematic data [geographic information system (GIS)], urban component data, three-dimensional data model of engineering construction projects and other physical form data (BIM) and urban perception data Social big data and other Internet of things dynamic data [Internet of things (IOT)] to create an intelligent multi-dimensional perception system

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Establish and improve the acceptance and selection mechanism of green building materials, and take the lead in selecting green building materials for government invested projects and key social investment projects

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By 2025, a trillion level green building industry cluster composed of green building construction, green building related manufacturing and green building related service industries will be basically completed, of which the total output value of green building construction will strive to exceed 800 billion yuan, and the operating revenue of green building related manufacturing and green building related service industries will reach more than 200 billion yuan respectively

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4

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Cooperate with the release of the catalogue of promotion and application of green building materials, carry out Star evaluation and pilot demonstration of promotion and application of green building materials, and build a brand of green building materials

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Expand the application scope of green building materials

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We will improve building energy efficiency standards and encourage the development of ultra-low energy consumption buildings, near zero energy consumption buildings and zero energy consumption buildings

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III

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1

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First, guiding ideology to thoroughly implement Xi Jinping’s ecological civilization thought, and guided by the construction of the park city demonstration zone which is practicing the new development concept and guided by the high quality development, with the goal of promoting Chengdu to take the lead in achieving carbon peak carbon neutralization, and with a strong and well built green building industry as the support, we will fully implement green planning, green design, green construction and green life

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We will accelerate the management of green building signs and support enterprises to apply for national and international green building sign certification

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Improve the evaluation and information management system of green building materials, establish a green building materials database and information collection and sharing system, and establish a third-party information release mechanism of green building materials

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Among them, the assembly rate of government investment projects, residential construction projects with a total construction area of more than 200000 square meters and mixed projects with a partial construction area of more than 200000 square meters shall not be less than 50%

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Promote the source reduction of construction waste, clarify the emission standards of construction waste at all stages of construction, implement classified emission of construction waste, and carry out the construction of “zero emission” pilot projects of construction waste

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By 2025, the work and housing in the built-up area of the central urban area will be balanced and appropriate, the average commuting time of the working age population will be reduced to 35 minutes, 45% of the working age population will commute within 30 minutes, the sharing rate of green transportation will reach 70%, and 500 beautiful park communities will be built

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We should strengthen the systematic operation and management of underground pipelines and underground integrated pipe corridors, promote the intelligent upgrading, transformation and management of municipal facilities, and accelerate the establishment of the “Internet plus regulation” building energy management mechanism.

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Strengthen the research and development of new technologies, new processes and new equipment for construction waste management and resource utilization, promote the classified and centralized treatment and resource utilization of construction waste, advocate the comprehensive utilization of construction waste in various construction projects, and gradually improve the use proportion of recycled materials and component products of construction waste

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(2) fully implement green construction technology

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Improve the building assembly rate

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(III) comprehensively develop green building industry clusters

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Accelerate the development of prefabricated buildings

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Actively promote the use of renewable energy technologies such as solar energy, biomass energy, geothermal energy, air source and ground source heat pump, as well as the application of energy-saving and water-saving technologies such as enclosure thermal insulation and rainwater recycling

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(II) promote green construction technology and build a life cycle construction management system

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Promote intelligent construction system

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Formulate technical atlas and guidelines for energy-saving transformation of rural houses

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Increase the promotion and application of integrated construction intelligent construction equipment such as construction robots and intelligent control building machines, and build an intelligent construction system integrating the whole industrial chain

. Halfen Channel

By 2025, the new buildings in cities and towns in the city will fully implement the standard of one-star green building and above; 100% of the newly-built farmers’ concentrated residential areas, newly-built rural public facilities and public welfare buildings uniformly planned and constructed in the city implement the basic level and above standards of green buildings; The energy-saving standard of no less than 70% shall be implemented for new civil buildings in cities and towns in the city; The green transformation of old buildings such as energy conservation, emission reduction, water conservation and noise reduction shall be implemented simultaneously with the transformation of old residential areas, and the synchronous transformation rate shall reach more than 80%

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Build a digital design system

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Cultivate a number of EPC enterprises with the ability of intelligent construction system solutions, and encourage leading enterprises to develop new forms of integration of the whole industrial chain, such as systematic integrated design, intelligent production, intelligent construction, intelligent supervision, intelligent operation and maintenance

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The green transformation of old buildings, such as energy conservation, emission reduction, water conservation, noise reduction, rainwater and sewage diversion and pipe network transformation, shall be implemented simultaneously with the transformation of old communities

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Overall objective (I) develop green buildings in an all-round way

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main tasks (I) implement high standard leading demonstration and promote the expansion of green building standards

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Carry out the construction of standardized building information model (BIM) of parts and components, build BIM resource database of assembled parts and components, and promote the modularization and standardization of assembled parts and components

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3

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II

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Improve the green building management mechanism

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Prepare Chengdu green construction technical guidelines, improve the lean construction organization mode suitable for green construction, and create a number of green wisdom demonstration sites

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Guide the construction unit to develop construction processes and methods such as hoisting, transportation and stacking of parts and components and connection of parts and components suitable for lean construction, so as to improve the industrialization level of on-site construction

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By 2025, prefabricated buildings will account for 80% of new urban buildings in that year; The application proportion of green building materials shall not be less than 60%; More than 50% of the built-up area meets the requirements of sponge city construction

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District (city) and county governments (management committees), relevant departments and units of the municipal government: with the consent of the municipal government, in order to earnestly implement the decisions and arrangements of the CPC Central Committee, the State Council, the provincial Party committee and the provincial government on the development of green buildings, vigorously promote the high-quality development of green buildings, actively implement the requirements of carbon peak and carbon neutralization, and help Chengdu build a high-quality living and livable place, Formulate the implementation opinions

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From 2021, in principle, all new urban buildings in the city shall comply with the requirements of prefabricated buildings, and the single or average assembly rate shall not be less than 40%

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3

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Vigorously develop fabricated decoration and implement integrated technologies such as pipeline, kitchen and bathroom, ceiling and wall

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(IV) comprehensively build a green production and life scene

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Build an intelligent operation and maintenance management system

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Promote the recycling of construction waste

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Release the energy consumption quota of public buildings and formulate the annual energy consumption monitoring and publicity system of public buildings

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Establish the quality management system of assembly parts production and assembly application projects, and build the information traceability and enterprise credit management mechanism

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