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You need to think about the project beyond the traditional end of a design phase and past the construction phase and handover. In other words, knowing who updates and maintains the information is important.

You can think of BIM as a constant work in progress, because it refers to the whole lifecycle of a project. To realize the true vision of BIM, you want to be able to use the information not just during design or construction but also for facility management and operation, and potentially to understand actual building use. You certainly don’t want to have to start the whole process again when the project later needs extension or renovation.

Consider the following questions and think about how the answers can help you to plan a maintenance strategy for your model information:

✔ When will your model go out of date? Will this happen as soon as something changes the design on-site?

✔ Will your model be accurate for as-built records? Will it contain manufacturer objects instead of generic ones throughout?

✔ How will you keep the model up to date? Would your client consider paying someone else, like an asset management company, to keep the currency of the model during operational phases?

✔ Will you need to link your model with other systems and synchronize the data you’re using with other teams further into the project’s lifecycle?

The following sections look at these issues of updating the model in detail and help you to recognize that BIM isn’t a static output, but that it’s an evolving flow of information.