Delivering LINAC facilities at scale
My experience with linear accelerator (LINAC) facilities began while working in a hospital environment, where the reliability of clinical equipment directly affected patient care. That operational perspective has shaped how I approach LINAC projects today, not just as highly specialised buildings, but as assets that need to perform consistently, with very little tolerance for failure.
A LINAC is a highly specialised piece of equipment used to deliver precisely targeted radiation therapy for cancer treatment, requiring purpose-built facilities with stringent structural, shielding and services requirements.
What’s becoming increasingly clear is that LINAC facilities are no longer being delivered as isolated, bespoke projects. Across the health sector, we’re seeing a shift towards more coordinated, programmatic delivery, driven by growing demand, long lead times and the need for greater consistency. That change has a real impact on how LINAC projects should be planned, designed and delivered.
The right modern LINAC facility:
- Doesn’t reinvent the wheel: uses a standardised, repeatable design that’s based on best practice learnt through experience and expertise
- Is de-risked: the fundamentals are solved early
- Is collaboratively designed: contractors are involved early to avoid costly decisions and rework later
- Needs strong professional design judgement: facilities are standardised, but the unique essential features are collaboratively determined
- Are patient-centred: repeatability and cost pressures do not override that patient care is at the core
From one‑off solutions to repeatable delivery
The most significant change is scale. Rather than responding to pressure on a case-by-case basis, clients are now planning for multiple LINAC facilities over an extended horizon. With that comes an emphasis on repeatability and certainty.
This doesn’t mean identical buildings. LINAC facilities still need to respond to site constraints and local models of care. But we shouldn’t start from scratch each time. Instead, we’re growing our focus on standardised room layouts, known interfaces around the bunker and clearly defined clinical and operational requirements.
In this environment, experience matters. Understanding what typically works, and where problems consistently arise, becomes far more valuable than reinventing solutions.
Early decisions now carry more weight
LINAC facilities are particularly unforgiving. Ground conditions, structural strategy and equipment selection all lock in risk early. Once shielding walls are poured and services are embedded in metres of concrete, flexibility is extremely limited.
These fundamentals now need to be resolved early, including selecting the LINAC supplier sooner rather than later. Designing the building around the machine, rather than making assumptions and adjusting later, significantly reduces downstream changes, cost escalation and programme disruption.
Early contractor involvement
Early contractor involvement (ECI) has become a critical success factor for LINAC delivery. Whether through formal design–build models or structured early contractor engagement, accessing construction insight early helps teams address constructability risks that simply don’t show up in drawings alone.
Concrete sequencing, tolerance management, embedded services, access constraints and procurement lead times all benefit from contractor input at the outset, rather than being resolved on site under pressure.
For facilities with this level of precision and permanence, the value of ECI is less about speed and more about certainty.
Engineering for reliability, not just compliance
As LINAC delivery becomes more consistent, expectations around performance are rising.
From a services engineering perspective, LINAC facilities behave differently from most healthcare spaces. Thermal loads can vary dramatically between standby and treatment modes, and equipment needs to operate within a narrow performance envelope to avoid premature wear or failure. Designing systems with sufficient capacity, volume and resilience to absorb these fluctuations is critical to long-term reliability.
In a more programmatic delivery setting, these aren’t theoretical issues.
Poor early decisions get repeated quickly, amplifying cost, maintenance burden and disruption across multiple facilities. Early collaboration between designers and contractors helps ensure that what is designed can be built, maintained and operated as intended.
Standardisation still requires judgement
While there is a clear need for standardisation, LINAC facilities still demand careful professional judgement. Radiation shielding advice is highly specific, site conditions vary and integration with existing buildings can introduce unique constraints.
What’s changing is how decisions are framed. Rather than open-ended consultation late in design, we’re seeing a move toward defining a clear baseline early and working collaboratively within that framework. Early contractor input here helps teams distinguish between what genuinely needs to be bespoke and what can be safely standardised.
For LINAC projects, this discipline is especially important. Late requests for additional services, layout changes or equipment adjustments can have a disproportionate impact once construction is under way.
The patient experience remains paramount
Amid cost pressure and repeatability, it’s essential not to lose sight of the people these facilities are for. LINAC bunkers can be intimidating spaces. Patients are often anxious, unwell and alone during treatment.
Design decisions around lighting, acoustics and environmental comfort make a real difference.
Engineers play a role alongside architects, clinicians and contractors in shaping spaces that are calm and dignified, even when technical requirements are demanding. In a system focused on efficiency and scale, this human dimension is not optional.
What experience looks like in a programme environment
A more coordinated approach to LINAC delivery changes what clients value in their advisors. Technical competence remains essential, but the real differentiator is experience, knowing where risks consistently emerge, how to resolve them early and when to bring the right voices into the room.
Having delivered multiple LINAC facilities, we now approach new projects with a clear understanding of those patterns. Sequencing early decisions, engaging contractors at the right time, and aligning design with construction reality all translate into more predictable delivery and facilities that perform as intended from day one.
As LINAC delivery continues to evolve toward a more programmatic model, success will increasingly depend on teams who understand both the precision of the technology and the realities of building it. Certainty, repeatability and collaboration, particularly early in the process, are becoming more important than ever.
Connect with Robbie Richmond to discuss his insights on LINAC design further. Want to know more about our work in New Zealand’s health sector? Read Hamza Hijazie’s insights on engineering his ideal regional hospital of the future.