Introduction to BIM June 2024

Lecture Note

Class Conduct

Assignment

Explore

Lecture Note

Lecture 6: BIM Execution Plan and Clash Detection

BIM Execution Plan (BEP)

Establishing BIM Goals: “BEP is used to outline the goals of the BIM process.”

Benefits of BEP for Project Teams:

BEP enables the project team to:

Understand key deadlines

Produce the required work and

Understand why that work is critical to the project’s success,"

Data Sharing and Process Understanding: “BEP enables team members that need to share data to understand the process by which that data will be shared and why.”

Example of BEP contents:

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Note: most firms will start with a template for a BEP and then fill in the information based on the requirements for the project.

BEP depth/length are dependent on the detail and complexity of the project, as well as local regulations.

The importance of the plan is less about the length of the document, and more about how it coordinates all the project team members toward achieving their goals for a successful project.

BEP enables and dictates the digital project management across the life cycle of a project.

BIM goals for the project:

Common goals are:

BIM for team collaboration

BIM for clash detection

BIM model uses throughout the project:

BIM for team collaboration

The important of the goals to be clearly indicate is to determine these for team collobration:

how we'll use our modeling to model existing conditions and go through the design process,

how this information will be leverage at construction stages:

Documentation: in construction through our design documentation

Construction Process: the actual construction process itself by our general contractors and subcontractors.

Facilities Management: the BIM model be used by facilities management during the design process, as well as after construction is completed?

BIM for Clash Detection

Clash detection is part of the BIM coordination process.

The clash detection meetings are where we have the design teams all coming together to review the clashes that are taking place in the designs.

By detecting these clashes before they're built, it ensure less clash in real construction and save a lot of cost.

The team need to determine:

Responsible person to run the clash detection:

Will it be both design teams running the clash detection against each others models?

Or will there be another person running that clash detection and then reporting that information back to the design teams?

Frequency of the clash detection

Is clash detection always ongoing?

Does it need to happen once a day, every other day, twice a week, once a week?

Basically we need to decide how often that clash detection will occur which will also affect how often those models need to be provided so that the clash detection can occur with the most updated information.

Components/agenda of clash detection meetings.

Will every clash be reviewed or just certain clashes be reviewed?

Who will attend those meetings. Will it be just the person doing the modeling or will it be a project engineer who has the final say on what changes can occur?

What needs to be modeled for clash detection and to what detail?

What format does this model need to be provided in?

When the clashes need to be fixed?

BIM Applications for Clash Detection:

Autodesk Navisworks

Solibri Model Checker

Trimble Tekla BIMsight

BIM Track

Revizto

Vico Office Constructability Manager

ArchiCAD

Revit: Includes basic clash detection tools, often used in conjunction with other software for more advanced capabilities1

Exercise files:

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Clash Detection Sample.rvt

8.5 MB

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Clash Detection Matrix⁠

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