"DOES BIM OFFER A BETTER APPROACH TO GUARANTEE A RELIABLE, ACCURATE, AND PRECISE COST ESTIMATE?" by Piero Anticona

Abstract: Building Information Modeling (BIM) uses on Integrated Project Delivery (IPD) approach, a collaborative and participative method with stakeholders in early stages of the project; this should be a significant differentiator comparing with TCM, GPC, and GAO which use a traditional Project Delivery approach.

It is necessary at each stage to deliver a document or file with a level of detail according to the development of the model. 5D BIM is one of the deliverables that contains the cost of the resources required to execute the activities and install or produce the project quantities for each component of the model.

Has BIM a better process to define the scope and produce a better cost Estimate than a traditional method for estimating and budgeting?

Can BIM offer a better approach to guarantee a reliable, accurate, and precise cost Estimate?

The current document will:

• Determine if the participation in the early stages of the design process might help to define the scope and then produce a better cost Estimate.
• That IPD approach is better than a traditional approach.
• To determine that 5D BIM is a reliable, accurate, and precise outcome.

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