Which statement best describes the phase of construction when using BIM?

The statement that best describes the phase of construction when using BIM is that it achieves design optimization through collective efforts. Building Information Modeling (BIM) facilitates enhanced collaboration among various stakeholders, including architects, engineers, contractors, and owners. This collaborative approach allows for improved coordination and communication throughout the construction process, leading to more efficient decision-making and problem-solving.

By leveraging shared models and information, teams can identify design issues early, make informed modifications, and optimize the overall design to meet project goals more effectively. This collective effort is pivotal in maximizing resources, minimizing waste, and ensuring that all aspects of the project align with each other.

The other choices suggest a lack of planning, collaboration, or communication, which contrasts with the fundamental principles of BIM. BIM encourages comprehensive planning, team collaboration, and effective communication to ensure that the construction phase is executed efficiently and successfully.