Which of the following are strategies that help a project team design for flexibility?

The choice emphasizing demountable partitions and movable furniture underscores an important aspect of designing for flexibility in a project. This strategy allows spaces to be easily reconfigured and adapted to varying needs over time. Demountable partitions can be repositioned or removed to create new layouts, while movable furniture can be rearranged to support different activities or uses.

By utilizing these types of design elements, project teams can create environments that are not only functional but also adaptable to future changes, whether they are related to shifts in organizational structure, changes in technology, or evolving user needs. This approach is crucial in sustainable design, as it extends the life and usefulness of spaces, reducing the need for costly renovations and minimizing waste associated with construction.

In contrast, the other options involve choices that contribute to fixed, static environments. Open floor plans can offer some flexibility, but when combined with permanent fixtures, they limit adaptability. Heavy furniture and fixed installations further constrain a space's versatility, making it difficult to accommodate different layouts. Standardized dimensions and non-adaptive materials discourage customization and flexibility, leading to environments that cannot easily respond to change.