Xiongxin high-speed railway is an important line serving the strategy of Xiong'an New Area, in order to ensure the safety and stability of the project, we must attach great importance to project management. This paper studies the bidding management of Xiong'an underground section of Xiongxin high-speed railway, focuses on summarizing the specific requirements of quality control, schedule control, cost control, contract management, information management, organization and coordination, safety management and other aspects in the planning of the project bidding scheme, sorts out the highlights of project bidding, and provides an important reference for the supervision and bidding of similar large-scale engineering construction projects.
Xiongxin high-speed railway Xiong'an New Area underground section civil engineering and related supporting engineering projects (hereinafter referred to as Xiongxin high-speed rail Xiong'an underground section project) is a multi-field, multi-disciplinary, multi-professional system engineering involving railway, municipal, water conservancy, garden, etc., is the "four vertical and two horizontal" regional high-speed railway transportation network of Xiong'an New Area, is the traffic corridor, landscape corridor and functional corridor of the starting area of Xiong'an New Area, is the annual key construction project of Xiong'an New Area, and plays an active role in optimizing the overall function of the road network and facilitating the travel of the masses along the line.
As the project leader of the project supervision and bidding, the author from the early bidding planning, market research to the preparation of bidding plans and bidding documents, from the reception of bidding registration, clarification and Q&A to the organization of bid evaluation, the release of the bidding results, the whole process of organization to complete the bidding and procurement work, through the analysis of the construction characteristics of the project, combined with the basic principles of construction supervision, to explore the implementation plan that meets the requirements of the project supervision bidding.
In the bidding process, the author has always strictly implemented the requirements of various national laws and regulations, and put forward the bidding requirements from the aspects of quality control, schedule control, cost control, contract management, information management, organization and coordination, safety management, etc., so that the bidders can fully understand the project construction requirements on the basis of using professional advantages, give full play to the construction management experience, use scientific methods and effective organization and management, and put forward a practical supervision implementation plan to ensure the smooth completion of the bidding and bidding work.
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Overview of Xiongxin high-speed railway Xiong'an underground section project
Xiongxin high-speed railway Xiong'an underground section of the project from the west side of the Ping River in the west, east to the east side of the Baigou River, about 24838 kilometers (including the extension section at both ends of the north side road and the U-shaped groove at both ends of the railway tunnel), including stations and hub facilities along the line, railways, roads, underground spaces, comprehensive pipe corridors, pipelines, river water systems, ballastless tracks and Xiongbao DK139+11838 - Xiongbao DK139 + 96218. Construction content of bridges and other projects.
The supervision service period covers the construction preparation stage, the construction stage, and the defect liability period, and the supervision work mainly includes quality control, progress control, investment control, contract management, information management, organization and coordination, safety management, etc.
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Xiongxin high-speed rail Xiong'an underground section of the project supervision requirements
In accordance with the requirements of the state, Hebei Province, the construction industry and the supervision specifications, participate in the design disclosure and drawing review, and issue the construction instructionsReview the construction organization design, construction technical plan and construction schedule plan proposed by the contractor, put forward specific opinions, and supervise their implementation;Approve the subcontractor's selection of subcontractors;Verify the quantity and quality of materials and equipment proposed by the contractor, and put forward test or replacement requirements for non-conforming materials;Inspect the quality of the project, order immediate correction of serious violations of norms and procedures, and issue a stoppage notice if necessaryProgress payment for visas;Acceptance of concealed projects and sub-projects, and participation in the handling of engineering quality accidents;Supervise and urge contractors to implement construction technology management systems and quality assurance measures;According to the measurement of engineering construction and construction quality, the number of completed projects is determined;Inspect the safety, protection and sanitation facilities on site, and put forward improvement requirements for non-conforming items;Dealing with claims for breach of contract and issues not provided for in the contract;Assist the client to organize and participate in the completion and acceptance of the project, and submit the project quality assessment report of the unit.
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Xiongxin high-speed railway Xiong'an underground section of the project supervision and bidding management
In accordance with the "Bidding and Bidding Law", "Construction Engineering Supervision Specifications", "Railway Construction Engineering Supervision Specifications", "Railway Construction Project Supervision Work Regulations", "Hebei Province Construction Project Supervision Bidding and Bidding Management Interim Measures" Combined with the specific requirements of the Xiongxin high-speed rail Xiong'an underground section of the project, the project prepared the bidding and procurement implementation plan in the early stage, through the setting of standardized and rigorous bidder qualification requirements, the development of scientific and reasonable bid evaluation methods, the use of specific and detailed contract terms, after careful organization and arrangement, the final bidding work was successfully completed.
The bidding documents put forward specific requirements for the organization and implementation of supervision work from the aspects of quality, progress and cost target control, contract and information management, organization and coordination, safety production management, etc., so that the connotation and work content of project supervision can be reflected.
1. Control of project quality objectives
In order to strengthen the control of the project supervision unit on the quality objectives of the project, the bidding documents put forward clear requirements for quality management from the perspective of "high design requirements, high construction standards, and high technology content". The supervision unit is required to clarify the quality control objectives;Establish a quality control system;Set up an experienced and skilled supervision team;Implement standardized management;Establish an information management platform;Check the quality of incoming materials and equipment;Check the quality of construction machinery and tools;Review the construction organization design and construction plan;Control the quality of the construction process;Acceptance of sub-project projects and concealed works;Deal with project quality problems and quality defects;Strengthen the quality monitoring of winter construction and night construction;Do a good job in the whole process management.
2. Project progress target control
The Xiongxin high-speed railway Xiong'an underground section project includes stations and hub facilities along the line, railways, roads, underground spaces, comprehensive pipe corridors, pipelines, river water systems, ballastless tracks and bridge projects, involving multi-field, multi-discipline and multi-specialty, difficult to organize and manage, and the construction period is relatively tight. The bidding documents put forward higher requirements for the control of schedule objectives, requiring the supervision unit to formulate schedule control points and prepare schedule control plans for the project durationAnalyze the key points and difficulties of project progress control;Propose progress control measures for design, construction, installation, decoration and other work;Review the construction schedule submitted by the construction unit;Coordinate the progress management of all parties involved;Track and check the actual construction progress;Dynamic tracking of the construction organization;Carry out the visual display of progress, the comparison of planned progress and actual progress, and the deduction of structural durationResearch and formulate measures to prevent claims for construction periods, and strive to meet the requirements of the planned construction schedule in terms of the actual construction progress.
3. Project cost target control
The total investment in the construction of the Xiong'an underground section of the Xiongxin high-speed railway is about 20 billion yuan, how to assist the construction unit to fully mobilize the resources of all parties during the construction cycle, tap the potential to reduce the cost of the project, control the construction investment, and strive to make the actual cost of the project not exceed the planned investment has posed a severe challenge to the supervision unit.
The bidding documents require the supervision unit to use the organizational, technical, economic and contract control measures of the project cost to assist the construction unit in formulating a plan for the use of fundsDo a good job in design review and control the project cost from the sourceStrengthen the calculation of the quantity of the project by the cost supervision personnel, and strictly control the measurement and payment of the projectStrict control of engineering changes;Analyze the risk of expense claims and propose risk management measures;In the event of a claim, it will be processed in a timely manner and assist the construction unit in making a counterclaimReview the project settlement documents submitted by the construction unit.
4 Contract management
Xiongxin high-speed railway Xiong'an underground section of the project adopts the mode of investment, construction, transfer and operation combined, with a number of investors, more participants involved in the contract, more complex contract management relationships, and greater difficulty in contract management.
The bidding documents require the supervision unit to formulate a scientific and reasonable project contract network diagram under the premise of fully understanding the construction needs to create favorable conditions for contract managementParticipate in the negotiation of construction contracts and the determination of contract terms;Sign the contract agreement;Checking the performance of the contract;Handling of contract changes, breaches and disputes;Complete the overall evaluation of contract conclusion and performance, and then do a good job in the whole process of project supervision.
5 Information Management
When the bidding plan was prepared, the project determined the BIM (Building Information Model) aided design principle of the whole life cycle, and based on the big data guidance of Xiong'an Cloud, it truly realized the whole process from design, construction to operation management and data analysis, so as to further lead the smart city planning and management from BIM to CIM (urban information model).
Supervision bidding requires the supervision unit to use BIM, CIM, edge computing, 5G, Beidou and other technologies to achieve real-time management and feedback of on-site construction data;Develop a detailed, targeted information management program;Obtain quality, schedule, and investment control information from both internal and external sources;Improve the information process of supervision work;Establish and improve the database system and engineering construction supervision information system;Collecting, processing, sorting, storing, transmitting, and applying construction project information through scientific methods;Carry out the construction and management of digital cities, as well as the construction of integrated construction management platforms and smart construction site systemsCarry out the transfer of data and models, the transfer of digital achievements in the process of construction management, the provision and docking of digital information platform interfaces, and assist in the construction of integrated construction management platforms and smart construction site systems, as well as information security managementActively carry out research on the application of new technologies such as BIM and the Internet of Things, actively put forward optimization suggestions for the promotion and application of information technology, and actively carry out big data analysis and application and scientific and technological innovationAdopt informatization and digitalization to carry out project construction management, and complete the construction project supervision service.
6. Organization and coordination
Xiongxin high-speed railway Xiong'an underground section project is an annual key construction project in Xiong'an New Area, the management pressure of the construction unit and the construction agency is greater, the construction period is tighter, and the organization and coordination in the construction process are more difficult, which puts forward a severe test to the supervision unit.
The innovative provisions of the bidding documents supervision unit should not only coordinate the relationship between the construction unit, the construction agency, the design unit, the general contractor, the construction subcontractor and the cost unit, but also coordinate the relationship between the competent authorities of the industry and solve the various coordination problems encountered in the process of contract performance, information communication, project quality, project progress, project cost and safety management in the process of project construction.
The bidding documents require that the supervision agency in the implementation of the supervision process, should focus on the subcontracting, the specialty, the coordination between the construction process, especially the professional cross operation area or operation point, through the coordination of management and clarify the connection method of the respective construction interface and interface, to prevent weak links or blank spots in the cross operation area or operation point.
7. Safety production management
The bidding documents are based on the "Work Safety Law of the People's Republic of China", "Regulations on the Administration of Work Safety in Construction Projects", "Regulations on Work Safety in Hebei Province", "Measures for the Safety Supervision of Housing Construction and Municipal Infrastructure Projects in Hebei Province", "Regulations on the Safety Supervision of Construction Projects", "Regulations on the Supervision and Administration of Construction Work Safety" and other laws, regulations and policies related to safety production, and the safety production management responsibilities of the project supervision institutions are clarified.
The bidding documents stipulate that the supervision unit should focus on the preparation of the project supervision plan including the content of safety supervisionClarify the scope of safety supervision and system measures;Preparation of supervision and implementation rules for sub-projects with greater risk;Review the management system, personnel qualifications and acceptance procedures of the construction unit;Inspect the safety production rules and regulations of the construction unit;Review the special construction plan;Supervise the implementation of special construction plans;Dealing with potential safety accidents, etc.
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Xiongxin high-speed railway Xiong'an underground section of the project supervision bidding for reference
Xiongxin high-speed railway is an important line to serve the strategy of Xiong'an New Area and support and lead the national strategy. After completion, it will further optimize the overall function of the road network, greatly facilitate the travel of people along the line, and effectively promote high-quality economic and social development, which is of great significance to serve the construction of Xiong'an New Area and help the coordinated development of Beijing-Tianjin-Hebei. This key construction project requires the supervision unit to consider the project construction with the concept of the whole life cycle, attach great importance to it, invest professionally, and make overall planning.
From the perspective of construction, according to the requirements of the whole chain management mode of construction and operation, the supervision bidding documents put forward the whole process supervision services covering the design, construction preparation, construction and warranty stages. In addition, according to the characteristics of the phased implementation of the project construction, the supervision service is also organized and implemented in phases according to the construction progress, which saves the investment of personnel and equipment, and greatly reduces the cost of supervision services.
The Xiongxin high-speed railway Xiong'an underground section project project design first, high-point positioning, leading technology, and digital assistance ensure the high-standard construction of the project. The supervision unit selected for the project is a first-class construction supervision enterprise in China, with strong performance ability, good resource integration ability and rich experience, to ensure that the project has successfully completed the supervision work under the premise of tight construction period and high quality standards.
The Xiongxin high-speed railway Xiong'an underground section project is supported by 5G, BIM, edge computing and other technologies to realize the digitalization, refinement, and intelligent production and management of the construction site, and the digital management systems such as smart construction site and smart operation have been applied in the project. This has changed the traditional supervision and project management mode to a large extent, and improved the scientificity, independence, service and accuracy of the supervision work.
Author: Yang Li
Author's Affiliation:CIC Consulting***