In order to implement the major decisions on carbon peak carbon neutrality, implement the "Opinions of The General Office of the State Council on Promoting the Sustainable and Healthy Development of the Construction Industry" and the "Notice of The General Office of the State Council on forwarding the Guidance Opinions of the Ministry of Housing and Urban-Rural Development on Improving the Quality Assurance System and Improving the quality of Construction Projects", promote the high-quality development of the construction industry and promote green construction work, March 16, 2021, The General Office of the Ministry of Housing and Urban-Rural Development issued the "Green Construction Technical Guidelines (Trial)" (hereinafter referred to as the "Guidelines"), which defines the overall requirements, main objectives and technical measures of green construction, and is an important document for guiding green construction work at present and in the future, promoting the transformation and upgrading of the construction industry and the green development of urban and rural construction. The relevant person in charge of the Engineering Quality and Safety Supervision Department of the Ministry of Housing and Urban-Rural Development will understand the content of the "Guidelines".
What is the background of the Guidelines?
The construction industry is a pillar industry of the national economy, and has made an important contribution to the economic and social development and the improvement of people's livelihood in our country. However, at the same time, the construction industry still has problems such as large resource consumption, high pollution emissions, and extensive construction methods, and there is still a certain gap with the requirements of the new development concept of "innovation, coordination, green, open and sharing". At the UN General Assembly in 2020, China pledged to achieve carbon peak by 2030 and carbon neutrality by 2060. The transformation and development task facing the construction industry is very arduous.
In order to promote the transformation and upgrading of the construction industry and the green development, in 2019, Minister Wang Menghui presided over the compilation of the "Green Construction and Transformation Development" textbook in the series of "Urban and rural Construction committed to Green Development", which systematically proposed the concept of green construction, development goals and implementation paths. In 2020, the Ministry issued the "Letter on Carrying out Green Construction Pilot Work" to carry out green construction pilot projects in Hunan Province, Shenzhen City of Guangdong Province and Changzhou City of Jiangsu Province, and explore replicable green construction technology systems, management systems, implementation systems and quantitative assessment and evaluation systems, so as to create experience for the implementation of green construction in other parts of the country.
In order to further standardize and guide the pilot work of green construction, on the basis of in-depth investigation and research, the Ministry organized the preparation of the "Guidelines", put forward the key technical points of the whole process of green construction, and guide the technical direction of green construction.
What are the connotations and main features of green construction?
The relevant person in charge of the Engineering quality and Safety Supervision Department of the Ministry of Housing and Urban-Rural Development: Green construction is in accordance with the requirements of green development, through scientific management and technological innovation, the use of construction methods that are conducive to saving resources, protecting the environment, reducing emissions, improving efficiency and ensuring quality, to achieve harmonious coexistence of human and nature engineering construction activities.
Green construction takes into account the quality, safety, efficiency, environmental protection, ecology and other elements of construction projects, adheres to local conditions, insists on the integration and coordination of the whole process of planning, design, construction and delivery, and emphasizes the attributes and characteristics of green construction activities, industrialization, information technology, intensification and industrialization.
What are the main contents of the Guidelines?
The relevant person in charge of the Engineering Quality and Safety Supervision Department of the Ministry of Housing and Urban-Rural Development: The Guidelines are divided into seven chapters: general provisions, terminology, basic provisions, green planning, green design, green construction and green delivery. The green planning chapter defines the work content to be carried out in the planning stage, including the implementation path and relevant indicators of greening, industrialization and informatization, and the responsibilities of all parties. The green design chapter stipulates the requirements for promoting the integrated design of architecture, structure, electromechanical and decoration, exploring the collaborative design of design, production, procurement and construction, and guiding the standardized design of prefabricated buildings. The green construction chapter puts forward the technical requirements of optimal design, resource saving, emission reduction and intelligent technology application in the construction stage. The green delivery chapter emphasizes comprehensive performance adjustment, clarifies the main content and evaluation mechanism of green construction effect evaluation, and puts forward digital delivery requirements.
What are the main technical requirements for green construction?
The relevant person in charge of the Engineering quality and safety Supervision Department of the Ministry of Housing and Urban-Rural Development: First, the use of systematic integrated design, lean production and construction, integrated decoration, strengthen the promotion and application of new technologies, and improve the industrialization level of construction methods as a whole.
The second is to effectively use BIM, Internet of Things, big data, cloud computing, mobile communication, blockchain, AI, robots and other related technologies in combination with actual needs to improve the overall level of information technology in construction means.
Third, the organization and management methods such as general project contracting and whole-process project consulting are adopted to promote the deep coordination of design, production and construction, and improve the overall level of intensification of construction management.
Fourth, strengthen the communication and cooperation between upstream and downstream enterprises in the whole industry chain of design, production, construction and operation, strengthen the professional division of labor and social cooperation, optimize the allocation of resources, build a green construction industry chain, and improve the industrialization level of the construction process as a whole.
What provisions do the Guidelines make for carbon reduction?
The relevant person in charge of the Engineering quality and safety supervision Department of the Ministry of Housing and Urban-Rural Development: First, it is required to prioritize the selection of high-strength, high-performance, high-durability, corrosion resistance, anti-aging materials, extend the service life of the building, reduce the frequency of component replacement, reduce raw material consumption from a long-term perspective, and achieve source emission reduction.
Second, it is stipulated that a collaborative design mechanism covering different stages of design, production and construction should be established to carry out collaborative deepening design of space, components and parts in accordance with the principles of standardization and modularity. Through the pre-participation of the production and construction parties, it can avoid mistakes, omissions and collisions in the design, improve the adaptability of parts and components, improve the engineering manufacturability, and reduce rework waste.
Third, the combination of temporary facilities and long-term facilities should be fully considered to achieve the combination of permanent arrival and reduce repeated construction; The suitable installation method should be adopted, and reasonable installation procedures should be formulated to reduce the construction of on-site support molds and scaffolding. We should actively promote the factory processing of materials, achieve cutting, fine management, and reduce the loss rate of building materials; The energy consumption of key energy consumption equipment should be monitored; The management of entry, installation, use, maintenance, demolition and exit of construction equipment should be strengthened to reduce resource consumption in the process.
What important role will the Guidelines play in promoting green construction?
The relevant person in charge of the Engineering quality and safety supervision Department of the Ministry of Housing and Urban-Rural Development: First, to provide guidance for the pilot work of green construction. The Guidelines are used to guide pilot areas such as Hunan Province, Shenzhen City of Guangdong Province, and Changzhou City of Jiangsu Province to carry out pilot work, create green construction application scenarios as soon as possible, form system solutions, and summarize phased experience in a timely manner.
The second is to provide a basis for the national implementation of green construction. After the verification and improvement of the pilot work, the "Guidelines" can effectively guide and regulate the promotion of green construction nationwide, which is conducive to solving the problems of large resource consumption, high pollution emission, low quality and efficiency of construction activities, and provide strong support for the further formation of a sound green construction implementation system in China.
Third, to provide support for the implementation of the national carbon peak carbon neutral strategy. Through the guidance of the "Guidelines", the concept of green development is integrated into the whole elements and whole process of engineering construction, comprehensively improve the level of green and low-carbon development of the construction industry, promote the construction industry to fully implement the national carbon peak carbon neutral major decision, and make positive contributions to building a beautiful China and jointly build a beautiful world.
How should localities do green construction-related work?
The relevant person in charge of the engineering quality and safety supervision Department of the Ministry of Housing and Urban-Rural Development: First, improve the working mechanism. Clarify the responsible departments, determine the work objectives, establish and improve the working mechanism, strengthen the top-level design of green construction, and incorporate green construction into the local green development and ecological civilization construction system. Starting from the local reality, taking the problems and needs as the guidance, the green construction technology system, management mechanism and policy system with regional representative should be established.
Second, we will strengthen policy support. It is necessary to adhere to the problem-oriented, goal-oriented and result-oriented, and increase policy support in the aspects of project approval, financial support and personnel training. At the same time, we should strengthen innovation and integration on the basis of existing policies and measures, and enhance the pertinence, synergy and systematization of green construction promotion policies and measures.
Third, strengthen publicity and guidance. It is necessary to actively publicize and promote the mature experience and typical practices of green construction pilots, actively carry out policy publicity and implementation, technical guidance, exchange and cooperation, and promote results, and strengthen international exchanges and cooperation, raise the awareness of green development in the whole society, and create a good atmosphere for effective government guidance, conscious implementation of enterprises and active participation of the public.
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