In March 2023, Tianjin issued the "Implementation Plan for Intelligent Construction Pilot Cities in Tianjin", which clarified the overall requirements, key tasks, implementation path, annual plan and guarantee measures, accelerated the construction of the development pattern of intelligent construction industry, and clarified that "by the end of 2025, 30 intelligent construction demonstration projects will be built, and 30 intelligent construction demonstration enterprises will be cultivated and nurtured". In May 2024, the "Key Points for Promoting Intelligent Construction Pilot Cities in Tianjin in 2024" were released, which clarified 8 key points including improving policy measures and standard systems, cultivating the intelligent construction industry system, etc., and refined them into 17 key tasks, focusing on promoting the implementation of various work.
Improve the construction of intelligent construction standard system
Give full play to the top-level design and leading regulatory role of standards in intelligent construction technology and industrial system construction. One is to complete the release of multiple standards such as the "Application Standards for Building Information Modeling (BIM) Design for Tianjin Citizens", "Technical Guidelines for Information Model Design of Tianjin Municipal Engineering", and "Design Standards for Comprehensive Information Model of Tianjin Urban Rail Transit Pipeline", which standardize BIM technical requirements and provide standard basis for design delivery level, content, and depth. Secondly, we will continue to promote the formulation of the "Technical Regulations for Intelligent Construction of Tianjin Rail Transit Engineering" and establish the "Technical Regulations for Intelligent Construction of Building Engineering" for the Beijing Tianjin Hebei region. The third is to complete the compilation of evaluation indicators for intelligent construction demonstration projects and demonstration enterprises in Tianjin, and promote the establishment of the "Evaluation Standards for the Development Level of Intelligent Construction in Tianjin Construction Enterprises". The fourth is to organize and hold an expert review meeting on the "Tianjin Smart Construction Site Construction Technical Standards".
Building industrial clusters and expanding application scenarios
To build industrial clusters, firstly, we need to leverage the leading role of industrial planning to promote high-quality development of intelligent construction. Organize the "Tianjin Intelligent Construction Industry University Research Work Symposium" and "Intelligent Construction Industry Regulatory Department Symposium", conduct industry research, sort out the current development status and advantages and disadvantages of Tianjin's intelligent construction industry, draw an industry map, and calculate the industrial economic scale. The second is to establish evaluation indicators for the creation of intelligent construction demonstration enterprises, drive collaborative work and complementary advantages among professional enterprises such as design, construction, and operation, and promote deep linkage between upstream and downstream enterprises in the industrial chain. Thirdly, two batches of 93 pilot enterprises for intelligent construction have been selected successively. In 2024, the selection work will increase the number of intelligent equipment and information development service enterprises, actively cultivate Tianjin's intelligent construction digital transformation diagnostic service enterprises, and improve the intelligent construction industry cluster.
In terms of expanding industrial application scenarios, one is to complete the development of the BIM review module for the digital review platform of construction drawings, and complete the BIM review and approval testing for the Shengchen Garden Primary School project and Qingshu Science and Technology Park project. The second is to organize the selection and acceptance of the first batch of intelligent construction demonstration projects. Fourteen projects, including the National Synthetic Biotechnology Innovation Core R&D Base, have been selected as the first batch of intelligent construction demonstration projects in Tianjin. Thirdly, two batches of 61 pilot projects for intelligent construction have been selected, covering areas such as housing construction, municipal services, rail transit, and urban renewal, with a total construction area of approximately 6.2 million square meters. The Airbus Phase II aviation industry production line project adopts BIM digital twin technology, optimizes and adjusts the construction process, reduces the total construction period by 2 months, saves material costs such as steel frame structures and drainage pipelines by 1.5548 million yuan, replaces manual labor with construction robots to reduce costs by 180000 yuan, and ultimately saves a total cost of 1.7718 million yuan. The fourth is to accelerate the cultivation of an intelligent construction product system and solicit and evaluate new technologies and products for intelligent construction. Focusing on digital design, intelligent factory, intelligent construction, construction industry Internet, intelligent equipment and other application scenarios, promote the landing of new technologies and products for intelligent construction.
Promote the research and application of key technologies for intelligent construction
One is to integrate the requirements related to intelligent construction into the city level construction method solicitation and evaluation process, and release the list of 2023 city level construction methods on February 8, 2024, including 10 intelligent construction related construction methods.
The second is to contact the Tianjin Science and Technology Bureau to establish the Tianjin Rail Transit Intelligent Construction Technology Innovation Center, Tianjin New Industrial Prefabricated Building Technology Innovation Center, and Tianjin Prefabricated Building and Intelligent Construction Key Laboratory. Based on the innovation center and laboratory, a batch of key equipment research and development will be carried out, including the intelligent construction production line for steel reinforcement frames, intelligent processing equipment for steel reinforcement based on AI intelligent algorithms, and building 3D printing equipment. The first railway prefabricated beam box intelligent construction production line has been applied in the Maoming beam making yard of Guangzhan Railway. Its automatic detection equipment based on photoelectric sensors, industrial cameras, and movable gantry frames realizes synchronous processing and detection, with a detection efficiency of seconds and a detection accuracy of about 1 mm.
The third is to build a collaborative innovation platform. Jointly promoting the establishment of the Tianjin Intelligent Construction Industry Alliance with the Tianjin Municipal Bureau of Industry and Information Technology and the Tianjin Municipal Bureau of Science and Technology, the alliance is initiated by 10 well-known construction enterprises, universities, and research institutions, with more than 100 upstream and downstream units in the consulting, design, equipment, information services and other industrial chains participating. It is committed to building a market-oriented industrial cooperation and exchange platform guided by the government, with enterprises as the main body and universities and research institutions as the support, promoting the promotion and application of intelligent construction technology, and supporting the incubation and development of innovative projects.
Innovate digital management mechanisms and build a talent pool
Tianjin innovates digital management mechanism. One is to build a smart supervision platform. Build a construction site management module that integrates digital and intelligent supervision of 7 major items and 13 sub items, including engineering information management, hazardous engineering management, inspection and testing management, risk classification and hidden danger investigation, and lifting machinery monitoring, to effectively supervise ongoing construction projects and enhance digital supervision capabilities for quality and safety. The second is to launch the digital service system for construction drawings on the Tianjin Smart Housing Platform. Through the upgrade and transformation of the "Tianjin Digital Drawing Review System", online review based on 2D drawings and various formats of BIM models has been achieved. From digital delivery, digital review to digital archiving, adopting unified standards and formats to achieve the integration of multiple reviews for construction drawings, fire protection, and civil defense.
The talent team is the guarantee for promoting industrial development. One is to release the list of intelligent construction experts in Tianjin. Utilize the role of think tank experts to provide professional technical support for industry development. The second is to support six local higher education institutions, including Tianjin Chengjian University, Hebei University of Technology, and the Institute of Land and Resources, to offer majors or directions in intelligent construction. The third is to organize high-level training. Tianjin held an advanced seminar on "Planning Resources and High Quality Development of Urban and Rural Construction", inviting industry experts to give a special lecture on the theme of "Taking Intelligent Construction as the Leading Factor to Promote High Quality Development of the Construction Industry". The fourth is the construction of intelligent construction training bases. Promote the construction of an intelligent construction training base for Tianjin Land Resources and Housing Vocational College. Support Tianjin Land Resources and Housing Vocational College (National Real Estate Industry Training Center) to carry out the evaluation of BIM technician vocational skill levels. The fifth is to support the Tianjin Construction Industry Association in carrying out public welfare training around the digital transformation of construction enterprises, smart construction sites, and BIM technology applications.
Six measures to build a new development pattern
Firstly, relying on the Tianjin Intelligent Construction Industry Alliance, we will carry out industry docking between achievement holding units, pilot enterprises, and pilot projects, guide upstream and downstream enterprises to establish common technology platforms, increase collaborative research and development efforts on industrial foundations and key technologies, and create an intelligent construction industry cluster that is closely coordinated upstream and downstream, and has an intensive and efficient supply chain.
The second is to continuously expand the application scenarios of intelligent construction. Continue to promote the guidance and cultivation of pilot and demonstration projects and enterprises, guide industrial chain enterprises to undergo digital transformation, expand the application scenarios of intelligent construction, and promote the evaluation and recognition of demonstration projects and demonstration enterprises.
The third is to continuously improve the construction of the intelligent supervision system. Develop supporting regulatory measures, strengthen the ability to collect, process, and analyze information, and enhance the accuracy and efficiency of supervision. Deepen the construction of the data analysis platform, based on the entire lifecycle of project management, and deeply integrate the core business data from project design, construction management to building operation and maintenance.
The fourth is to accelerate the construction of intelligent building foundations. Improve the construction of government data engineering such as BIM drawing review system, smart construction site supervision system, and worker real name system, and consolidate the foundation of big data engineering.
The fifth is to build a multi-level talent system. Continue to support universities in accelerating the cultivation of composite innovative talents that can adapt to the development of intelligent construction.
Sixth, strengthen publicity and promote industry exchanges. Strengthen the promotion of policies related to intelligent construction and pilot enterprises through various media platforms; Regularly organize communication activities to promote industry exchange.
