A Complex Sports Venue of the Coming Winter Olympics

This curling venue is the largest one in the history of the Winter Olympics. In the 2008 Summer Olympics, it served as the Interior Aquatic Sports Venue and will be the curling venue for the 2022 Winter Olympics and Paralympics (Double Olympic Venue). In addition, it is also the world's first double Olympic venue with freely convertible aquatic sports and ice sports, and the world's first venue for the curling competition of the Winter Olympics on temporary ice as well.

Challenges

i. Ice-Water Conversion

There is a high accuracy requirement for the support system, and it is required to control the overall height difference in millimeters. In addition, it is required that the support structure can be disassembled and converted many times and that the ice-making duct can be converted together with the support structure for convenient storage.

ii. Environment Conversion

Due to the limited conditions of the main venue, it is required to control the temperature and humidity of the tournament hall in 3 zones and 3 layers, which is extremely difficult. It is also required to convert the venue from a high temperature and high humidity environment to a low temperature and low humidity environment suitable for curling competitions. Two sets of air supply modes are adopted for temperature and humidity control in the ice area to achieve extremely low wind speed and uniform air supply on the ice surface, and to enable air supply above the ice area, so as to meet the site requirements of the WCF.

iii. Reconstruction without Shutdown

The proprietor requires that partial areas of the main venue need continue opening to the public, with the existing office area and all electromechanical systems in normal operation. Under this circumstance, it is required to set boundaries in the reconstruction area and operation area in the venue, with high safety requirements. Therefore, this reconstruction project differs greatly from other reconstruction projects (such as projects of removing all internal facilities).

iv. Stadium Monitoring System

Stadium monitor system includes an ice magic system, desiccant system, ice surface temperature, wind speed, and moisture content in the tournament hall. Besides, linkage control should be carried out among the equipment.

v. Smart O&M

The team is required to check the status of various controlled equipment, components on the operation & maintenance platform, and ticketing in a regular basis. Besides, the monitoring of people flow at all layers and zones needs to be processed and connected to the platform in the later phase.

vi. Planning & Organization

Enormous scope and scattered reconstruction environment increase the construction challenges. The reconstruction area involves buildings, structures, waterproofing, membrane maintenance, electromechanical equipment, machine rooms, and functional rooms. There are about 70 independent construction areas in each zone, with a reconstruction area of about 50000m2, scattered construction areas, and incomplete construction contents.

vii. Characteristics of the Double Olympics (Green Olympics and Frugal Olympics)

The project team combined the current and original pipelines system to generate new functions, used original pipelines as the interface of the current system, and avoided the removal and modification of original pipelines to make full use of the existing space and system. The focus is on how to combine the current and original systems and make full use of the existing conditions. After the Winter Olympics, the temporary facilities will undergo functional transformations to serve the public and save the extra costs. Therefore, the concepts of Green Olympics and Frugal Olympics should be considered during all processes of design, processing, construction, and reuse.

Implementation

i. Integrated Application of BIM

Through the integration of BIM in all disciplines, problems such as unreasonable design and unclear expression in design among disciplines can be found in advance.

ii. Schedule Construction Simulation

Schedule construction simulation consists of personnel, material, machine, and other resources plans. With BIM, visual construction simulation can be carried out before the construction, contributing to better on-site arrangements, earlier material reservations, and budget plans. The software also supports automatically analyzing the construction plan's accuracy according to the resources plan.

iii. Lean Management of Schedule

On-site construction personnel can receive tasks through their mobile application and provide feedback on the on-site schedule, including the number of operating personnel and material used in real-time to accumulate data to form a display board. Site supervisors can grasp the site schedule in real-time through the system and make better decisions based on the data provided by the system.

iv. Quality & Safety Management

If any potential risks are detected on-site, the system will automatically notify the responsible individuals of specifications and rectification requirements to immediately control and mitigate potential dangers.

v. Innovative Actions

a. Ice-Water Conversion

The team used different BIM technologies to carry out special designs for support structures, environment conversion, and ice magic systems.

b. Reconstruction without Shutdown

In order to ensure simultaneous operation and reconstruction, it is required to design and deliver the venue reconstruction organization strategy under partial operation conditions through BIM technology.

c. Smart O&M

In the operation and maintenance platform, with BIM, the project team can check interior air quality, energy consumption, equipment operation status, and work order processing in real-time, thus reducing the operation difficulty.

Summary of Benefits

The project team adopted BIM technology to the project, which has significantly strengthened the application effect, improved the lean management level, effectively shortened the construction period, reduced costs, and improved project quality. The BIM5D platform can enable all-around integrated control, empower information management of construction projects, project quality, safety, green construction, significantly improve work efficiency and reduce personnel energy occupation.