By HEPI YOUNG

Sustainability isn’t just a buzzword – it’s a responsibility.

As architects, engineers and project managers, we have the power to shape the built environment in ways that respect our planet and future generations. But how do we ensure that sustainability isn’t just an afterthought, but rather a core principle that guides every phase of a project?

From my 20-plus years of experience in the architecture, engineering and construction industry, I’ve learned that embedding sustainability into a project requires intentionality, collaboration and innovation at every stage – from the initial concept to the final construction. Here’s how we can make it happen.

1. Concept Phase: Laying the Foundation for Sustainability

The journey to a sustainable project begins with the very first sketch. During the concept phase, it’s crucial to ask the right questions:

• How can the building’s orientation maximize natural light and reduce energy consumption?
• What materials can we use to minimize environmental impact?
• How can the design integrate renewable energy sources like solar or wind?

For example, on a recent project, we used BIM (Building Information Modeling) to simulate different design scenarios and identify the most energy-efficient layout. By analyzing factors like solar gain, wind patterns and thermal performance, we were able to create a design that not only looked good but also performed sustainably.

2. Design Development: Turning Ideas into Action

Once the concept is solidified, the next step is to refine the design with sustainability in mind. This is where tools like Revit and Navisworks come into play, allowing us to coordinate with engineers, energy consultants and other stakeholders to ensure that every decision aligns with our sustainability goals.

For instance, we might specify low-carbon concrete or recycled steel for the structure – or design a green roof that reduces heat gain and provides insulation. We might also incorporate passive design strategies, such as natural ventilation or daylighting, to reduce the building’s reliance on mechanical systems.

The key here is collaboration. By bringing together experts from different disciplines, we can find innovative solutions that balance aesthetics, functionality and sustainability.

3. Pre-Construction: Planning for Success

Before breaking ground, it’s essential to develop a detailed sustainability plan that outlines how the project will achieve its environmental goals. This might include:

• Setting targets for energy efficiency, water conservation and waste reduction.
• Selecting contractors and suppliers who prioritize sustainable practices.
• Planning for the use of prefabricated components to minimize waste and improve efficiency.

During this phase, we also conduct life cycle assessments (LCAs) to evaluate the environmental impact of different materials and systems. This helps us make informed decisions that reduce the project’s carbon footprint over its entire lifespan.

4. Construction: Building with Care

The construction phase is where the rubber meets the road. It’s also where sustainability can easily fall by the wayside if we’re not careful. To avoid this, we implement sustainable construction practices, such as:

• Minimizing waste by recycling materials and using precise cutting techniques.
• Reducing emissions by using electric or hybrid construction equipment.
• Protecting natural habitats and minimizing disruption to the surrounding environment.

On one project, we used 4D simulations to optimize the construction schedule and reduce the project’s environmental impact. By sequencing activities more efficiently, we were able to cut down on energy use and emissions.

5. Post-Construction: Ensuring Long-Term Sustainability

Sustainability doesn’t end when the building is completed. In fact, it’s just the beginning. To ensure that the project continues to perform sustainably, we provide building operators with the tools and training they need to monitor and optimize energy use.

For example, we might install smart building systems that track energy consumption in real-time and identify areas for improvement. We might also create a maintenance plan that includes regular inspections and upgrades to keep the building running efficiently.

The Bigger Picture: Why Sustainability Matters

Embedding sustainability into every phase of a project isn’t just good for the environment. It’s also good for business. Sustainable buildings are more energy-efficient, which lowers operating costs. They’re also more resilient, which reduces the risk of costly repairs or retrofits down the line.

But perhaps most importantly, sustainable buildings are better for the people who use them. They provide healthier, more comfortable spaces that enhance well-being and productivity.

A Call to Action: Let’s Build a Sustainable Future Together

The challenges we face – climate change, resource depletion, urbanization – are daunting, but they’re not insurmountable. By embedding sustainability into every phase of a project, we can create buildings that not only meet the needs of today but also protect the planet for future generations.

As professionals in the AEC industry, we have the knowledge, the tools and the responsibility to lead this change. Let’s rise to the challenge and build a sustainable future together.

Hepi Young is director at PT Trias Manajemen Proyek.