How BIM Technology Shaped the Construction of Jack Ma’s Home

1. Project Introduction

The Alibaba International Operations Headquarters and Business Cloud Computing R&D Center are located in Shenzhen. The complex consists of three basement levels and four towers, with the tallest building reaching 17 floors above ground. Covering a construction area of 120,000 square meters, the entire structure is designed in a block shape that resembles a “cloud” floating over Shenzhen Bay.

2. BIM Team Resources

To effectively integrate BIM technology into the various management activities of general contracting, a dedicated BIM management department was established within the project’s general contracting management structure.

3. BIM Software Usage Instructions

4. BIM Application

Technical Application Highlights:

1. This project focuses on exploring the integration of BIM into the daily workflows of project management.
2. After defining project requirements and application strategies, attempts were made to incorporate BIM into various general contracting processes and tasks.
3. The BIM application workflow for the project is illustrated in the figure below.

5. BIM Application Achievements

1. BIM Management System

Development of BIM management documentation includes:

• BIM Staff Responsibilities Table
• Entry requirements for professional subcontracting BIM teams
• Subcontracting Assessment Scoring Form
• BIM Model Delivery Standards
• BIM Model Delivery Schedule
• BIM Meeting System

2. BIM-Assisted Technical Management

A. Model Creation Based on CAD Drawings

• Civil engineering, electromechanical, and curtain wall models established
• Steel structure model imported
• All professional models integrated into Navisworks

B. BIM-Assisted Drawing Review

• Identification of issues through modeling
• Collision detection to highlight drawing conflicts
• Drawing review meetings facilitated by BIM

C. BIM in Pile Foundation Construction

• Visual representation of the bearing stratum
• Modeling using attachment functions
• Rapid calculation of pile lengths and quantities

D. Optimization and Disclosure of BIM-Assisted Excavation Support and Demolition Plan

• Construction simulation to determine optimal plans
• Force calculation and validation of construction processes
• Implementation of construction simulation disclosure and guarantee plans
• Dynamic monitoring to ensure proper demolition sequencing

E. BIM-Assisted Reinforcement and Steel Structure Connection Node Processing

• Precise node modeling
• Gap and collision analysis
• Optimization plans developed

F. BIM-Assisted Mechanical and Electrical Deepening Design

• Collision detection
• Collision resolution and optimization
• Coordination and optimization of net height
• Process simulations
• Virtual walkthrough inspections

G. BIM-Assisted Steel Structure Deepening Design

• Exporting IFC models
• Creation of simplified steel structure models
• Collaborative steel structure design

H. Mobile On-Site Paperless Query Application

• Viewing drawings on-site via tablet devices
• Checking specifications directly on-site using tablets

3. BIM-Assisted Progress Management

• BIM-based schedule planning
• Simulation setup
• Construction simulation animations
• Progress control
• Meeting coordination system

4. BIM-Assisted Plan Management

• 3D site layout planning
• Design of temporary construction areas
• Standardized temporary housing design

5. BIM-Assisted Business Management

• Component statistics
• Quantity estimation
• Comparison and application of Luban calculation quantities with business calculation quantities

6. BIM-Assisted Quality Management

• Comparison between BIM models and on-site entities
• Timely reporting and resolution of on-site issues
• Dynamic template guidance system
• System interface integrated with on-site images

7. BIM-Assisted Safety Management

• Edge protection monitoring
• Tracking safety hazards alongside project progress
• Safety standard family implementation
• Virtual walkthrough discussions

6. Benefits and Summary

1. Economic Benefits

• Early detection of drawing issues to provide the owner with optimal detailed design solutions.
• Modeling and simulating complex nodes and schemes facilitate intuitive and effective project communication, reducing information loss.
• Rapid tracking of on-site work quantities and changes reduces management workload for quantity calculations.
• 3D design of site layout and construction images offers clear spatial considerations.
• Using BIM as a communication foundation in meetings lowers communication costs and improves meeting efficiency.
• BIM model-to-entity comparisons are intuitive and convenient, enhancing on-site management efficiency by facilitating electronic drawing access.

2. Social Benefits

The Alibaba project successfully hosted a national BIM observation conference focused on promoting BIM technology application, attracting over 500 participants.

3. Experience Summary

• Develop a solid plan
• Establish a dedicated team
• Intervene proactively
• Implement safeguard measures
• Conduct timely reviews and summaries

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