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Land Transport Authority Designs Expanded Kim Chuan Depot for Expansion Project - AECOsim Building Designer Helps Deliver Project Within Tight Deadline

Land Transport Authority Designs Expanded Kim Chuan Depot for Expansion Project - AECOsim Building Designer Helps Deliver Project Within Tight Deadline
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CASE STUDY Bentley Advancing Infrastructure MS Project Summary Organization Land Transport Authority Solution Rail and Transit Location Singapore Project Objectives • Expand existing Kim Chuan Depot for additional train stabling spaces and maintenance. • Double the depot's underground capacity and increase its dimensions. Products Used AECOsim Building Designer Land Transport Authority Designs Expanded Kim Chuan Depot for Expansion Project AECOsim Building Designer Helps Deliver Project Within Tight Deadline Fast Facts • The expansion of the current Kim Chuan Depot was announced by LTA in tandem with the CCL6 extension. • AECOsim Building Designer provided a seamless transition for modelers not familiar with the application. • The application allowed the LTA project team to reference other organization's models, while retaining property information. AECOsim Building Designer helped LTA reduce time, lowering the final delivery cost. The team saved resource-hours by using BIM processes, which enabled the disparate disciplines to work together in real time throughout the project lifecycle, rather than in segregated silos. AECOsim Buiding Designer's ability to reference other third-party software eliminated design errors and costly construction rework. Expanding Existing Depot The Kim Chuan Depot, located in Hougang, Singapore, consists of an underground rail depot with a multi-story bus depot located above it. The depot provides maintenance, stabling, and operational facilities for the Mass Rapid Transits (MRT) Circle Line. When it officially opened in March 2009, the Kim Chuan Depot was the world's largest underground depot in its class, with a total area of 11 hectares, it is 800 meters long, 160 meters wide, and 23 meters deep. The Land Transport Authority (LTA), a statutory board under the Ministry of Transport that spearheads land transport developments in Singapore, decided to expand the existing Kim Chuan Depot as part of a larger expansion project to provide additional train stabling spaces and maintenance for the MRT system. Established in September 1995, the LTA was the result of a merger between four public sector entities: Registry of Vehicles, Mass Rapid Transit Corporation, Road and Transportation Division of the Public Works Department, and Land Transportation Division of the Ministry of Communications. The agency is responsible for planning, designing, building, and maintaining Singapore's land transport infrastructure and systems. The LTA began planning its expansion project to provide a greener and more inclusive public transportation system and utilized AECOsim Building Designer to streamline the process and complete the project within the tight timeframe. Part of a Larger Expansion The expansion of the current Kim Chuan Depot was announced by LTA in tandem with the Circle Line 6 (CCL6) extension. The four-kilometer CCL6 will have three stations and close the loop for the Circle Line by connecting Harbour Front Station to Marina Bay Station. This project is now under construction and is expected to be completed by July 2026. The CCL6 extension called for the Kim Chuan Depot to be expanded underground to almost double its capacity from 70 to 133 trains, increasing its dimensions to 1,000 meters in length and 160 meters in width. The integrated depot will also house 550 buses on the plot of land above the underground train depot and will include washing and refueling facilities. When all the CCL6 stations are finalized by 2025, the Circle Line will have a total of 33 stations, including 12 interchange stations with other MRT lines and an expanded rail network. The rail will provide a direct route between areas in the west and key employment areas in the central business district, as well as upcoming developments in the Marina Bay area. The two main challenges that the team faced were the limited project timeline and cross-collaboration on an integrated design among multiple disciplines across disparate locations. Team members wanted to ensure that they had enough time to train their modelers on how to model the complicated structure and architectural elements. Benefiting from Interoperable Applications Using Bentley's AECOsim Building Designer, the team saved time and improved collaboration, meeting their project deadlines and bringing together all participants in an easy and collaborative manner. AECOsim Building Designer provided a seamless transition for MicroStation users because it is built on the same comprehensive modeling environment. Its similarity to MicroStation meant the training process for incoming modelers was swift and effective since many of the modelers were MicroStation-based drafters. The modelers quickly learned how to complete fast and complex geometry modeling in AECOsim Building Designer. Additionally, because AECOsim Building Designer is a single, integrated application for architectural, structural, electrical, and mechanical engineers, the project team was able to achieve time savings during the design development phase because they could rapidly design complex buildings and effortlessly integrate designs across disciplines. These combined time savings helped LTA meet the design deadlines on time. To improve collaboration, the team created iModels with AECOsim Building Designer to share information with all involved parties. By using iModels, the team could keep working in a mixed environment, using both Bentley applications and other third-party software. AECOsim Building

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Overall, AECOsim Building Designer helped LTA reduce time, thereby reducing the final delivery cost. Find out about Bentley at: www.bentley.com Contact Bentley 1-800-BENTLEY (1-800-236-8539) Outside the US +1 610-458-5000 Global Office Listings www.bentley.com/contact Designer allowed the LTA project team to reference other organizations’ models while retaining their properties. This interoperability helped with coordination purposes and interference detection. Reducing Environmental Impacts, Project Time, and Cost By using Bentley technology to convert other models into iModels, the...

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