Question 1

What is a BIM Execution Plan?

Accepted Answer

A BIM Execution Plan (BEP) sets out how the project team will create, share and coordinate models: the software and versions, the level of development, file naming, exchange dates and who is responsible for what. Goldfish & Bay develops the BEP at the start of the project and workshops it with every stakeholder so the models fit together.

Question 2

What is clash detection and why does it matter?

Accepted Answer

Clash detection combines each discipline's model and tests where elements occupy the same space, such as a duct running through a beam or a pipe through a cable tray. Finding these in the model costs far less than finding them on site, where they cause rework, delays and variations.

Question 3

What software do you use?

Accepted Answer

Building services models are produced in Autodesk Revit, and federated models are coordinated and clash tested in Navisworks. Models are exchanged in the formats agreed in the BIM Execution Plan.

Question 4

What does LOD300 mean?

Accepted Answer

Level of Development 300 means elements are modelled at their correct size, shape, location and orientation, which is the level needed for reliable coordination and clash detection. Fabrication-level detail is normally the trade's responsibility.

Question 5

Can you manage BIM if other consultants do the engineering?

Accepted Answer

Yes. We can act as the project BIM manager for the whole team, coordinating models from the architect, structural engineer and every services consultant, whether or not Goldfish & Bay is also designing the building services.

Question 6

When should BIM management start?

Accepted Answer

Before design development begins. Agreeing the BEP early means every consultant models consistently from the outset, which avoids rework when the models are first federated.

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