Assessing the Risks of BIM Implementation in the Railway Sector

One BIM Technical Feature

While organizations may interpret BIM in various ways, the technology fundamentally rests on two main principles. First, BIM encompasses engineering information that represents not only the geometric and functional properties of building projects but also essential lifecycle data. This information is organized within a collaborative, multidimensional platform for simulation and visualization, supporting all phases of a project—from planning and design to construction, operation, and eventual demolition. Second, BIM enables continuous information sharing and real-time data updates within a unified digital environment. Any modification is immediately reflected across all related data, ensuring transparency and comprehensive insights for owners, government agencies, design and construction teams, and end-users. Based on these foundational concepts, the primary characteristics of BIM Technology are as follows:

• Comprehensive model information: Beyond 3D geometry and topology, BIM includes complete engineering data.
• Information interconnectivity: Each object in the model is uniquely identifiable and interconnected, so changes to one object automatically update all related elements.
• Consistency of information: Data remains coherent and consistent throughout the entire lifecycle of the building.

Application of BIM in the Railway Industry

Given the unique requirements of the railway sector and the advantages of BIM Technology, implementing BIM in railway projects is both necessary and feasible. This article reviews the current status of BIM adoption in the railway industry and explores its potential across the entire lifecycle of railway projects.

2.1 Current Application Status

In Hong Kong, 3D technology has evolved from concept to practical application and is now entering a broader phase of adoption. The Hong Kong Housing Department now requires BIM submissions as part of tender documents, and ongoing research continues into BIM-related facilities and standards. MTR Corporation Limited has successfully applied digital 3D technology for lighting analysis, energy consumption, smoke and pedestrian flow assessment, and visual collision detection during operations.

In Mainland China, BIM adoption in the railway sector started later and remains in its early stages compared to the building and hydropower industries. Several railway design institutes and construction organizations have begun to research and pilot BIM technology:

• China Railway Second Institute developed a 3D spatial route selection system, a survey data integration platform, and has undertaken BIM modeling for projects such as the Shigushan Tunnel and Beipanjiang Bridge.
• China Railway Third Survey and Design Institute established a key laboratory that integrates GIS, internet technology, virtual reality, and databases for collaborative 3D digital design.
• China Railway Fourth Engineering Group Co., Ltd. utilized DEM, DOM, and multi-source data from aerial photography and remote sensing, applying virtual reality to reconstruct 3D terrain for route planning and railway design.
• China Railway Group has conducted digital construction tests, deployed intelligent compaction systems on various railway sections, and expanded BIM applications to airports, water diversion, hydropower, and highway projects.

Despite these advancements, BIM utilization in the railway industry is not yet systematic; its application is limited to specific sites and does not yet cover the entire project lifecycle. To address this, China Railway Corporation has launched research into key information technologies for railway engineering, aiming to establish unified standards and platforms for nationwide railway management and to support international objectives. Further clarification of BIM application scenarios in railways is still needed.

2.2 Main Application Scenarios

BIM technology can be applied in the railway sector across four main project stages:

• Planning: Used for site analysis, architectural planning, and proposal presentations.
• Design: Enables visual and collaborative design, performance analysis, engineering quantity measurement, and pipeline integration.
• Construction: Supports simulation of construction progress and organization, digital construction, material tracking, coordination, and project delivery.
• Operation and Maintenance: Facilitates maintenance planning, asset management, space management, disaster prevention and rescue, and continuous model updates.

Risks and Countermeasures for BIM Application in the Railway Industry

Although BIM technology offers significant benefits for the railway sector, its promotion and adoption currently face several challenges. The following analysis considers risks and countermeasures from five perspectives: policy, economy, technology, human resources, and management.

3.1 Policy Factors

China’s 12th Five-Year Plan for National Economic and Social Development emphasizes the promotion of strategic emerging industries, including next-generation information technology. The Science and Technology Development Plan for railways under this plan highlights the importance of information management and intelligent railway technology, in alignment with BIM adoption. The Outline for the Development of Informationization in the Construction Industry (2011-2015) advocates for innovation and information-driven progress, supporting BIM and collaborative digital work. Consequently, policy risk for BIM adoption in the railway sector is low, and strong support from authorities is anticipated.

Government agencies and project owners play crucial roles in the early stages of BIM adoption. To further strengthen policy support for BIM in railways, the following steps are recommended:

• Encourage higher-level government departments, such as the Ministry of Transport, to include BIM in special technical development plans for railways.
• Collaborate with experienced departments, such as the Ministry of Housing and Urban-Rural Development, to promote BIM in railway projects.
• Enhance cooperation with property owners, particularly in overseas projects, to share BIM expertise and align policies with market needs.

3.2 Economic Factors

Currently, the application of BIM in the railway industry is limited. Research in developed countries has demonstrated substantial economic benefits from BIM, but early adoption involves high short-term costs, uncertain returns, and longer investment cycles due to increased design, hardware, software, and training costs. To mitigate these economic risks:

• Seek support from national policies.
• Engage with diverse BIM platforms, strengthen secondary development, and pursue proprietary technology to improve efficiency and lower costs.
• Distribute BIM-related costs among all project stakeholders and establish fair payment standards for BIM services to minimize financial risk.

3.3 Technical Factors

BIM represents the forefront of global construction innovation, with rapid uptake in Europe and North America. However, the Chinese railway sector still lags behind. Key technical risks include:

• Poor adaptability and lack of unified data formats.
• Frequent software updates requiring ongoing secondary development.
• Increased complexity compared to traditional approaches.
• Lack of industry-specific BIM solutions.
• Misunderstandings or errors in technology selection.

Suggested countermeasures include:

• Promote open, universal data formats and secondary development interfaces; develop proprietary data standards and software to enhance international competitiveness.
• Obtain BIM platform SDKs and develop specialized tools in-house to ensure software continuity and mitigate upgrade issues.
• Establish dedicated BIM R&D teams for railway-specific secondary development.
• Familiarize teams with multiple BIM platforms and consider factors such as professionalism, usability, practicality, cost, maintenance, and technical support when selecting technology.

3.4 Human Resources

BIM introduces a technological shift, which may encounter resistance from traditional technical staff and those used to established workflows. Risks include:

• Reluctance to embrace new technologies.
• Inadequate personnel structure and capability.
• Shortage and high turnover of BIM professionals.
• Heavy workloads limiting time for training.

To address these challenges, industry associations should facilitate BIM knowledge exchange and promote awareness of its advantages. Companies should expand training, develop BIM talent, improve reward systems, and encourage broad participation. As BIM becomes more widely adopted and routine, these human resource risks will decrease.

3.5 Management Factors

Implementing BIM requires companies to reallocate resources, reorganize information systems, and update management standards. BIM changes task distribution and workloads, necessitating adjustments in evaluation, rewards, and distribution mechanisms. To minimize risk, enterprises should first form stable BIM support teams, keeping existing business processes and organizational structures unchanged to prevent confusion and inefficiency.

3.5.2 Business Process Transformation Challenges

Successful BIM implementation requires new, standardized business processes for smooth operation. Currently, there is no complete BIM-based workflow in the Chinese railway industry, resulting in confusion and rework. Government agencies and companies should develop BIM standards and guidelines, provide workflow templates, and clearly define application targets, scope, and methods for each phase of a project.

3.5.3 Low Management Acceptance

Some managers are hesitant to adopt BIM because, in practice, improving drawing quality with BIM is often more challenging and slower than increasing efficiency with CAD. Additionally, owners typically do not provide additional compensation for BIM, leading to low acceptance or even resistance. To address this, management should be educated on the urgency and necessity of BIM, support should be strengthened, and BIM’s role in enhancing company competitiveness should be emphasized to achieve project profitability. Other risks include a lack of industry standards, undefined legal responsibilities, and ambiguous intellectual property rights. These issues should be addressed by developing BIM standards and management guidelines specific to the railway industry.

4. Conclusion

The emergence of digital 3D technology, with BIM at its core, is driving improvements in productivity and management efficiency in engineering and construction. Advanced 3D design and full lifecycle information management allow companies to better control processes, optimize design, ensure construction quality, and streamline operations—ultimately enhancing quality and reducing costs. This trend represents the future direction of the railway industry. Although BIM-based 3D design has begun in China’s railway sector and achieved some initial successes, its application is still mainly limited to modeling and visualization. Full integration across design, construction, and operations has yet to be realized, and further progress is required in technology, standards, policy, and management.

Authors: Xu Jun, Li Anhong, Liu Houqiang, Ye Mingzhu, Zhang Jieru
Affiliation: China Railway Eryuan Engineering Group Co., Ltd

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