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The Ultimate Legal Guide to Building Information Modelling

Building Information Modelling (BIM) is transforming the construction and design industries, offering unparalleled opportunities for collaboration, efficiency, and innovation. However, with its adoption comes a range of legal challenges that professionals must address.

This article is written by our qualified consultancy agreement lawyer. It provides a comprehensive overview of the legal implications of BIM in Australia, covering intellectual property, standards of care, reliance, scope creep, cyber security, and insurance considerations.

Key Takeaways

  • BIM is a collaborative process. It integrates data from multiple disciplines, making it more than just a digital model
  • Determining IP rights in BIM is complex due to the involvement of multiple contributors
  • BIM raises questions about the level of skill and diligence required from professionals
  • Poorly defined scopes can lead to additional work without compensation
  • BIM’s reliance on digital platforms introduces risks related to data security and liability coverage
Farrah Motley is an Australian Legal Practice Director

Understanding Building Information Modelling (BIM)

A Technical Overview

BIM is not merely a digital representation of a building; it is a dynamic, interactive process that integrates data from various disciplines involved in a construction project. It allows for virtual testing and design optimisation before physical construction begins, reducing the risk of defects and discrepancies.

A Legal Perspective

From a legal standpoint, BIM is intellectual property. It encompasses:

  • Trade secrets: Unique design and construction methods
  • Copyright: Software coding and visual data displays

Intellectual Property in BIM

Ownership Challenges

BIM involves contributions from architects, engineers, contractors, and other stakeholders. This raises critical questions:

  • Who owns the IP in the BIM model?
  • Will the IP be licensed or transferred?
  • Who owns the combined data in the final model?

Licensing vs Ownership

Failing to address these issues in consultancy contracts can lead to disputes or missed revenue opportunities, especially if the model has commercial applications beyond the initial project. For example, if a BIM model is used for future projects or digital twins, retaining IP rights could generate additional revenue streams.

Standard of Care in BIM

Legal Expectations

The standard of care for professionals using BIM is evolving. For instance:

  • Should an engineer providing BIM services meet the standard of a general engineer or a BIM specialist?
  • Does BIM create a new, independent standard of care?

Contracts should clearly define the expected level of skill and diligence to avoid ambiguity.

Reliance on BIM

Data Accuracy Risks

BIM’s collaborative nature means its accuracy depends on reliable data inputs from all contributors. Issues can arise if:

  • incorrect data is entered
  • the Common Data Environment (CDE) is incomplete or compromised

Contractual Protections

Contracts should specify that BIM is for informational purposes only and not to be relied upon for construction or cost estimation. This ensures that liability for inaccuracies is minimised.

BIM consultants should avoid agreeing to fitness for purpose obligations with regard to the model.

Scope Creep in BIM Projects

Defining Scope

Scope creep occurs when service providers perform additional work outside their contractual obligations without extra payment. In BIM projects, this often results from:

  • vague or poorly defined scopes
  • misunderstandings about the required Level of Development (LOD)

Levels of Development (LOD)

The LOD defines the detail and reliability of a BIM model:

LOD Level

Description

LOD 100

Concept

LOD 200

Approximate geometry

LOD 300

Precise geometry

LOD 400

Fabrication

LOD 500

As-built

For example, a designer contracted for LOD 300 may face requests to deliver LOD 500 without additional compensation.

Using a BIM Execution Plan

A detailed BIM Execution Plan (BEP) can help avoid scope creep by setting clear rules for collaboration and referencing these rules in contracts.

building information modelling

Cyber Security and BIM

Risks in the Common Data Environment (CDE)

As a digital repository, the CDE is vulnerable to:

  • cyber attacks
  • data corruption caused by inexperienced collaborators

Mitigation Strategies

Contracts should include provisions for governance, data quality, and cyber security measures to protect the integrity of the BIM model. Regular audits and access controls can further enhance security.

Insurance Considerations for BIM

Professional Indemnity Coverage

Most professional indemnity policies cover BIM-related services, but exclusions may apply, such as:

  • claims arising from software or IT failures
  • proportionate liability exclusions, which could shift liability from several to joint

Avoiding Uninsured Risks

Professionals should review their insurance policies to ensure adequate coverage for BIM-related liabilities. For instance, if proportionate liability legislation is excluded in contracts, this could expose professionals to joint liability for losses caused by other contributors.

Frequently Asked Questions (FAQs)

What is the primary legal concern with BIM?

The primary concern is determining intellectual property ownership due to the collaborative nature of BIM.

Scope creep can be mitigated by defining clear scopes of work, specifying the required LOD, and using a detailed BIM Execution Plan.

No, contracts should specify that BIM is for informational purposes only and not to be relied upon for construction or cost estimation.

BIM is vulnerable to cyber attacks and data corruption within the Common Data Environment (CDE). Proper governance and security measures are essential.

Generally, yes, but professionals should review their policies for exclusions related to software failures or proportionate liability schemes.

About the Author

Farrah Motley
Director of Prosper Law. Farrah founded Prosper online law firm in 2021. She wanted to create a better way of doing legal work and a better experience for customers of legal services.

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