You delivered your project on time and under budget, and the client signed off on commissioning day. Every metric on your dashboard signaled total success, but fast-forward three years, and the control processor is discontinued with no upgrade path, and the subcontractor who spent three weeks pulling cable is out of business, partly because your payment terms were 90 days. The system’s energy cost is 40% higher than your original estimate because the automation schedules were not optimally programmed, and after those three years the technology is already outdated and destined for the landfill. 

Was that a successful project? Well, yes, three years ago, but what about now? 

The Triangle That Defined a Generation

In the 1960s, Dr. Martin Barnes created one of project management’s most enduring frameworks: the Iron Triangle. The model focuses on time, cost, and scope; deliver on all three, and you have done your job. The problem is not that the Iron Triangle is wrong; however, it is incomplete. We have treated it as a sufficient measure for decades longer than we should have. 

The Iron Triangle tells you if you met the agreed-upon constraints. It says nothing about what happens after handover, how you treated your partners, or what you consumed and emitted during the process. In the AV industry, this gap creates systems specified without lifecycle thinking and installations that draw power around the clock. These failures do not show up on a traditional dashboard, yet they have serious consequences. 

Enter the Triple Bottom Line

In 1994, John Elkington coined a term that reshaped how businesses think about accountability: the Triple Bottom Line. He argued that companies should prepare three separate "bottom lines": 

• Profit: Financial performance and competitive prosperity. 
• People: Social accountability and the impact on the quality of life for everyone involved. 
• Planet: Environmental accountability and the impact on natural ecosystems. 

For project managers, this asks a question the Iron Triangle cannot: what are you doing to the world while you deliver this project? They don’t happen in a vacuum; they consume resources and produce outcomes that extend well beyond the handover date. 

How PM Thinking Evolved

This shift changed how project methodologies work. Approaches like PRINCE2 now emphasize benefit realization, acknowledging that a project is only complete once it achieves its intended value. GPM’s PRiSM methodology goes further by building sustainability directly into the project management process. 

A professionally mature definition of success now includes three layers: 

1. Compliance: Meeting time, cost, and scope. 
2. Value: Delivering enduring benefits and managing risks. 
3. Sustainable Performance: Accounting for people, planet, and prosperity. 

Sustainability is also a risk management imperative; for instance, 53% of projects in 2023 were impacted by extreme weather events. If you ignore climate exposure and supply chain resilience, you will find it harder to succeed even by the Iron Triangle’s own definition. 

What P5 Actually Adds

The GPM P5 Standard (Version 3.1) extends the Iron Triangle rather than tearing it up. It analyzes impacts across five dimensions: Product, Process, People, Planet, and Prosperity. This framework gives you a structured way to ask vital questions: 

• Is this system designed for maintenance, or will it require full replacement in five years? 
• Are we minimizing waste and travel during the project? 
• Are we treating subcontractors fairly and paying them on reasonable terms? 
• What is the carbon footprint of our logistics? 

The P5 Standard also maps to international ESG (Environmental, Social, and Governance) reporting frameworks like GRI and SASB. 

What is ESG reporting?

Think of ESG frameworks like standardized "report cards" for businesses.

• GRI (Global Reporting Initiative) helps companies report their impact on issues like climate change and human rights to the public.
• SASB (Sustainability Accounting Standards Board) helps companies give investors specific data on how sustainability issues might affect the company's financial health.

When a client's sustainability team asks for carbon data on your installations, the P5 methodology helps you provide those answers. 

Why This Matters Specifically for AV

The AV industry sits at the intersection of technology and the built environment. Our decisions about equipment and design directly affect how a building performs; however, a poorly specified system can drive energy costs up instead of down. 

While consultants and integrators have different roles, the project manager holds the whole picture together. The PM is accountable for the coherence of the project from the initial brief to the final handover. Furthermore, the competitive environment is shifting. Large corporate clients now evaluate AV integrators based on their ability to demonstrate sustainable practices and supply data for their own reports. 

If AV project managers want the same status and credibility as engineers or architects, they must accept accountability for the impact of their work. Sustainability is not a specialty; it is the new baseline for our profession. P5 offers a practical, globally recognized way to deliver work that is truly good by every meaningful measure.

Deliver it Green! is a collaborative effort by the @AVIXA Sustainability Advisory Group, a community of AV professionals committed to raising the bar for our industry. Want to be part of the conversation? Join us, challenge us, and help shape what sustainable AV delivery looks like in practice.