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Delayed ettringite formation (DEF) is a complex deterioration mechanism in concrete that can significantly affect the long‑term performance and serviceability of structures. This episode of Inside BG&E examines DEF from an engineering and research perspective, with a focus on practical implications for projects in Australia.    Senior Materials Engineer Dr. Yogesh Ramu (BG&E, Perth) explains what DEF is, how it develops in concrete subjected to elevated temperatures during curing, and the conditions under which it becomes a durability concern. Drawing on his Australian‑specific PhD research, Yogesh discusses the distinction between deleterious and non‑deleterious DEF, the characteristics of local cements and aggregates, and why overseas research cannot always be applied directly to Australian projects.    The conversation covers:  The mechanism of delayed ettringite formation in concrete The influence of heat curing, moisture and material composition on DEF Differences between Australian and overseas cement systems and exposures How DEF can impact structural performance, service life and maintenance strategies The role of BG&E’s materials team in durability planning, thermal control, mix optimisation and risk mitigation   This episode is intended for asset owners, designers, specifiers and project managers seeking a clearer understanding of DEF and how specialist materials advice can support more durable, sustainable concrete infrastructure.

In this episode of Inside BG&E, we explore how emergency and disaster recovery projects move from initial damage assessment to scoped, fundable and buildable solutions. BG&E’s Emergency and Disaster Recovery team discusses what rapid response really means in practice, how eligibility and value-for-money requirements shape recovery programs, and why this work is so different from a traditional infrastructure project.    Featuring Max Gregori - Emergency & Disaster Recovery Lead, Ashleigh Lawrence - Senior Engineer and Hasini Perera - Experienced Civil Engineer, this conversation covers disaster recovery engineering, DRFA-style recovery delivery, like-for-like restoration, treatment optioneering, site constraints, resilience considerations, and the real-world challenge of reconnecting roads and communities after floods, cyclones, landslides and other natural disasters. The episode also highlights the human side of recovery work, and the impact engineers can have when essential transport links are restored.

How do you design and deliver 19 bridges for a $2.6 billion airport gateway, keep a live corridor operating, and introduce Australia’s first incrementally launched network arch bridge in the process?   In Gateway Files, host Laura Miranda sits down with Daniel Fryirs, Joe Turner, and Luke Wetherstone to reflect on the bridge program behind Sydney Gateway – from early concepts and construction strategy to the on‑the‑ground realities of building in one of Sydney’s most constrained transport environments. It’s a conversation for people who shape, fund, or deliver complex transport infrastructure and want to hear what really happens behind a legacy bridge project. Learn more about our Bridges expertise: Bridges | BG&E

This episode of Inside BG&E follows two graduates, Hugo Groot and Rebecca Ninan, as they reflect on stepping from university into their first roles at BG&E. Rather than focusing on the technical details, the conversation explores how they found their feet, the kind of work they have been exposed to, and what they have learned about themselves in the process. Listeners will get an honest, early-career perspective on starting out in consulting engineering and how a people-first environment can shape that journey. https://bgeeng.com/career/early-careers/

Quay Quarter Tower redefined what's possible in adaptive reuse and design innovation. In this episode, Leonardo Ambrogi – Construction Engineer Lead, Gold Coast and Xiaoyu Gu – Senior Structural Engineer, Sydney take us behind the design of this landmark project, from the challenges of working within an existing structure to the creative engineering that brought it all together. They share how collaboration and curiosity shaped both the tower and their own journeys along the way.    Learn more about BG&E's projects and the people behind them at bgeeng.com.

Behind every project is a story. The Inside BG&E Podcast takes you closer to the people who make it happen: engineers, designers, and collaborators, sharing the ideas, challenges, and moments that shape our work. From the culture that drives our creativity to the conversations that spark innovation, we explore what makes each project and every team unique.