Building Information Modeling BIM Clash Detection and Coordination

Question 1

What are the three main types of clashes detected in a BIM coordination process?

Accepted Answer

Hard clash, soft clash, and workflow clash

Answer

Visual clash, data clash, and schedule clash

Answer

Geometry clash, LOD clash, and file clash

Answer

Import clash, export clash, and link clash

Question 2

What is a 'clash report' in BIM coordination?

Accepted Answer

A document listing detected conflicts between model elements with location and severity data

Answer

A report of software license violations

Answer

A summary of model file size issues

Answer

A log of user login attempts in BIM 360

Question 3

During a BIM coordination meeting, who is typically responsible for resolving a hard clash between structural steel and HVAC ductwork?

Accepted Answer

The MEP and structural engineers collaborate to reroute one system

Answer

The BIM manager alone reassigns elements

Answer

The owner makes the decision independently

Answer

The architect overrides both without input

Question 4

What is the 'tolerance' setting in Navisworks clash detection used for?

Accepted Answer

Defining the minimum distance between elements before a clash is flagged

Answer

Setting the maximum model file size

Answer

Controlling the rendering quality

Answer

Defining the number of clash tests run per session

Question 5

What does '4D BIM' add to a traditional 3D BIM model?

Accepted Answer

Construction scheduling and time simulation

Answer

Cost data and estimating

Answer

Energy analysis data

Answer

Facility management information

Question 6

Which file format is most commonly used to federate models for clash detection in Navisworks?

Accepted Answer

.nwc / .nwd

Answer

.rvt

Answer

.ifc only

Answer

.dwg