Radiation Oncology Department Design

Planning and Architectural Guidelines

1. Introduction

Radiation oncology is a specialized hospital department where patients receive radiation-based treatment for cancer. Its design requires close coordination between healthcare planning, medical equipment, structural engineering, radiation protection, building services and patient-centred architecture.

Unlike a conventional outpatient department, a radiation oncology unit includes highly specialized treatment rooms, equipment-control areas, simulation facilities and spaces for treatment planning. Some rooms require substantial structural shielding, and their design must respond to the selected treatment technology and the occupancy of surrounding spaces.

A successful radiation oncology department must achieve several objectives simultaneously:

• Provide a safe environment for patients, staff and the public.
• Support efficient clinical workflows and coordinated cancer care.
• Accommodate specialist treatment and imaging equipment.
• Allow patients using wheelchairs, beds and stretchers to move safely.
• Integrate structural, electrical, mechanical and information-technology systems.
• Support maintenance, equipment replacement and future service expansion.
• Meet applicable radiation safety requirements and other statutory approvals.

The International Atomic Energy Agency (IAEA), the Atomic Energy Regulatory Board (AERB) in India and the NHS cancer-treatment facility guidance provide important technical and planning references for this building type.

This article explains how architects and healthcare planners can approach the design of a radiation oncology department, from initial briefing and site selection to detailed coordination and commissioning.

2. What Is a Radiation Oncology Department?

A radiation oncology department is a specialized healthcare unit that uses ionizing radiation to treat cancer and certain other conditions. It brings together clinical assessment, treatment preparation, radiation delivery, treatment planning and associated support services.

Radiation therapy can be delivered using different technologies, depending on the clinical service provided.

2.1 External Beam Radiation Therapy

External beam radiation therapy (EBRT) delivers radiation from a machine positioned outside the patient’s body. A medical linear accelerator (LINAC) is a common treatment device.

The LINAC is typically housed in a purpose-designed treatment room known as a radiotherapy bunker. Its planning must account for equipment geometry, structural loading, shielding, access, maintenance and connections to the control and support areas.

2.2 Brachytherapy

Brachytherapy involves placing a radioactive source inside or close to the treatment site, depending on the clinical technique.

Its architectural requirements depend on the selected equipment and treatment protocol. Facilities may require a dedicated treatment room, equipment storage, source-handling provisions and associated safety arrangements.

2.3 Treatment Simulation and Planning

Before treatment, clinicians and medical physicists may use imaging and computer-based planning to determine how radiation will be delivered.

A CT simulator helps establish the patient’s treatment position and the anatomical information needed for planning. A treatment-planning system (TPS) is used to develop and evaluate the treatment plan.

These functions require carefully coordinated rooms, equipment, data infrastructure and clinical workflows.

Important: Not every radiation oncology department needs every treatment modality. The accommodation schedule should be developed from the hospital’s approved clinical service plan, equipment selection and staffing model.

3. Objectives of Radiation Oncology Department Design

3.1 Radiation safety

The facility must incorporate the structural shielding, controlled access, safety systems and monitoring provisions required by the approved radiation protection design.

Shielding is not determined by architectural preference alone. It depends on factors such as equipment characteristics, treatment workload, radiation-beam use, occupancy of surrounding areas and applicable regulatory criteria.

3.2 Efficient patient movement

Patients may visit the consultation room, simulation facility, treatment-planning service and treatment room as part of their care.

The layout should reduce unnecessary walking, avoid confusing routes and accommodate patients who are weak, elderly, anxious or dependent on wheelchairs and stretchers.

3.3 Clinical coordination

Radiation oncologists, medical physicists, radiotherapy technologists, nurses and technical support staff require suitable relationships between clinical, treatment and administrative areas.

3.4 Operational reliability

Treatment equipment depends on reliable electrical infrastructure, environmental control, equipment cooling where specified, data connectivity and specialist maintenance access.

3.5 Adaptability

Equipment has a service life, and treatment technologies evolve. Planning should consider future replacement routes, potential equipment upgrades, maintenance access and the possibility of expanding the service.

4. Functional Areas of a Radiation Oncology Department

The number and size of rooms depend on the scope of service, equipment, expected patient workload, local regulations and the hospital’s operational model.

Functional zone	Typical spaces	Main planning consideration
Public and reception	Reception, registration, waiting, patient information	Clear orientation, accessibility and privacy
Clinical consultation	Consultation rooms, examination rooms	Confidential discussions and convenient access
Simulation and imaging	CT simulator and associated preparation areas	Equipment clearances, patient positioning and workflow
Treatment delivery	LINAC bunkers and control areas	Shielding, structural loads and equipment requirements
Treatment preparation	Immobilization and mould-making areas where required	Storage, work surfaces and cleanable finishes
Treatment planning	TPS workstations and associated offices	Reliable IT, controlled access and staff collaboration
Brachytherapy	Treatment and support spaces where provided	Modality-specific shielding, handling and safety provisions
Staff and administration	Offices, staff facilities and work areas	Appropriate separation from public circulation
Technical support	Electrical rooms, UPS, equipment support and maintenance access	Serviceability and equipment-specific requirements
General support	Stores, housekeeping and waste holding where required	Safe logistics and appropriate segregation

The final schedule should be prepared with the clinical team, medical physicist, equipment supplier, healthcare planner and relevant engineering consultants.

4.1 Reception and waiting area

The reception area is often the first point of contact for patients and their families.

It should provide:

• A clearly identifiable reception and registration counter.
• Seating for patients with varying mobility needs.
• Wheelchair-accessible circulation and suitable turning space.
• Access to patient toilets and drinking-water facilities as appropriate.
• Visual or staff-assisted wayfinding.
• Privacy for registration and sensitive conversations.
• Convenient access to consultation and treatment areas.

Waiting capacity should be calculated using expected attendance, appointment patterns, patient companions and the operational policy of the hospital.

A radiation oncology waiting area should not be treated as a generic corridor with chairs. Its layout should account for longer treatment journeys, patients who may be fatigued and the need for a calm, dignified environment.

4.2 Consultation and examination rooms

Consultation spaces allow radiation oncologists to assess patients, discuss treatment and review clinical information.

The design should consider patient privacy, examination requirements, accessible furniture arrangements, hand hygiene, clinical equipment and digital access to medical records.

Consultation rooms should be located so that patients can reach them without unnecessarily entering restricted treatment or technical areas.

4.3 CT simulation room

The CT simulator is used to obtain imaging for treatment preparation and planning.

Planning must be based on the selected equipment and its technical documentation. Particular attention should be given to:

• Scanner and couch clearances.
• Patient transfer and positioning.
• Access for wheelchairs and stretchers.
• Immobilization accessories and storage.
• Equipment servicing and replacement.
• Electrical supply and data connectivity.
• Environmental requirements specified by the manufacturer.
• Radiation protection requirements appropriate to the installation.

The control workstation should support effective communication and observation of the patient in accordance with the equipment and clinical requirements.

A CT simulator is not interchangeable with a general diagnostic CT room without reviewing its specialized workflow, positioning equipment and treatment-planning interfaces.

4.4 Linear accelerator treatment bunker

The LINAC bunker is one of the most technically demanding spaces in the department.

Its design must integrate the machine’s geometry, structural support, shielding, treatment couch movement, access route, service connections and maintenance requirements.

The treatment-room envelope must be developed from the selected equipment and the approved shielding design. A generic room size should not be used as the final design basis.

The design team should coordinate:

• Equipment foundation and structural loading.
• Required shielding in walls, floor and ceiling.
• Treatment-machine installation and removal routes.
• Gantry, couch and accessory clearances.
• Cable ducts, conduits and equipment connections.
• Safety interlocks and warning indicators.
• Patient communication and observation.
• Lighting and emergency provisions.
• Maintenance access and future replacement.

Bunker entry and maze

A maze is an indirect access route used in many bunker designs to reduce radiation streaming toward the entrance. Whether a maze, shielded door or another approved arrangement is appropriate depends on the treatment equipment and the shielding calculations.

The entrance must also allow safe movement of patients and equipment. Door hardware, clear opening, turning space and access-control arrangements should be resolved early in the design.

Structural coordination

Shielding can impose substantial loads on the building structure. The structural engineer must verify the loads and their distribution, including the supporting structure beneath and around the bunker.

For basement or upper-level installations, the design team must consider the complete load path, foundation conditions where applicable, construction sequence and the effect of the proposed shielding on adjacent spaces.

The architect should coordinate the bunker with the structural engineer and medical physicist before fixing the structural grid and final floor levels.

4.5 Treatment control room

The control room accommodates the operator’s console and associated monitoring and communication systems.

It is generally positioned adjacent to the treatment bunker in accordance with the selected equipment layout.

The room should provide:

• A suitable workstation and equipment clearances.
• Direct or approved visual monitoring of the treatment room.
• Patient communication facilities.
• Required equipment power and data connections.
• Appropriate lighting and acoustic conditions.
• Safe access for staff.
• A clear relationship with the bunker entrance and controlled-access systems.

For multiple treatment rooms, each installation’s operational and control requirements should be evaluated separately rather than assuming that one control room can serve every machine.

4.6 Treatment-planning and medical physics areas

Treatment-planning areas support the development, checking and management of treatment plans. They may accommodate medical physicists, dosimetrists and other authorized staff, depending on the service model.

The spaces require suitable workstations, reliable IT infrastructure, data security, controlled access and an environment appropriate to the installed equipment.

Medical physics offices and treatment-planning functions may be located close to the treatment area to facilitate collaboration, but the final arrangement should follow clinical workflow and institutional requirements.

4.7 Brachytherapy and associated support areas

Where brachytherapy is provided, its rooms and support spaces must be planned around the specific equipment and clinical procedure.

Architects should confirm:

• The treatment technique and source system.
• Required structural shielding and access controls.
• Equipment storage and preparation requirements.
• Patient transfer and recovery arrangements where applicable.
• Safety interlocks and monitoring provisions.
• Maintenance and emergency access.
• The applicable licensing and commissioning process.

Do not apply a LINAC bunker layout directly to a brachytherapy facility. The equipment, radiation source and operational requirements are different.

5. Functional Relationships and Department Zoning

An effective radiation oncology layout establishes convenient relationships between patient-facing spaces and technical treatment areas while maintaining appropriate access control.

A typical planning concept is:

Main entrance → Reception and waiting → Consultation and assessment → Simulation and treatment preparation → Treatment delivery → Follow-up

Treatment planning, medical physics and technical support should connect efficiently to the functions they serve.

This is a conceptual relationship rather than a mandatory one-way circulation route. Actual patient journeys vary by treatment protocol and the services available within the hospital.

5.1 Public, clinical and restricted zones

The department can be organized into three broad planning zones.

Public zone: Reception, registration, waiting and public amenities.

Clinical zone: Consultation, examination, simulation, preparation and treatment-related patient areas.

Restricted technical zone: Treatment control areas, technical rooms and other spaces requiring controlled access.

The precise boundaries should reflect the hospital’s safety procedures and operational model.

5.2 Patient and staff circulation

The design should make it easy to distinguish patient routes from staff-only and technical-service routes where separation is needed.

Consider the following during planning:

• Patients arriving for appointments should find reception without crossing technical areas.
• Wheelchair and stretcher routes should remain unobstructed.
• Staff should be able to reach treatment and support spaces efficiently.
• Maintenance personnel should have a practical route to major equipment.
• Emergency access and evacuation arrangements must be coordinated with the hospital’s overall fire and life-safety strategy.
• Service and equipment delivery routes should be checked against doors, corridors, lifts and turning spaces.

5.3 Equipment installation and replacement

A room can satisfy its internal equipment clearances and still be unusable if the machine cannot be delivered or replaced.

The architect should verify the complete route from the delivery point to the final installation location, including:

• Vehicle and unloading access.
• External doors and internal openings.
• Corridor and turning dimensions.
• Lift capacity and car dimensions, where relevant.
• Temporary removal of building elements if required.
• Construction openings and their eventual closure.
• Structural and lifting provisions specified by the equipment supplier.

This review should occur before the floor plan and structural scheme are frozen.

6. Site Selection and Building Location

The preferred location depends on the hospital master plan, site constraints, clinical relationships, access and radiation protection assessment.

In India, AERB guidance calls for radiotherapy installations to be sited with attention to nearby occupancy and functional efficiency. Its site and layout drawing guidance also emphasizes identifying surrounding uses and relevant distances on the drawings.

6.1 Ground-floor and basement options

A ground-floor location may simplify heavy equipment delivery, installation and future replacement. A basement may offer useful site-planning advantages in some hospitals, but introduces additional structural, access, drainage and service-coordination considerations.

Neither option should be treated as universally correct.

The team should evaluate:

• Soil and foundation conditions.
• Equipment loads and shielding loads.
• Groundwater and flood risk.
• Delivery and replacement access.
• Relationship to the hospital’s imaging and oncology services.
• Occupancy above, below and around the treatment rooms.
• Emergency access and evacuation.
• Service distribution and maintenance access.
• Potential future expansion.

6.2 Surrounding occupancy

Shielding design requires a clear understanding of the spaces adjacent to the treatment installation.

The site and layout drawings should identify actual uses of surrounding areas, such as wards, offices, corridors, toilets, open spaces and other occupied rooms. Labels such as “full occupancy” or “partial occupancy” alone may not communicate enough information for a proper review.

The medical physicist must assess the occupancy and other relevant shielding parameters using the applicable regulatory methodology.

7. Radiation Shielding and Safety Coordination

Radiation shielding is a core design input, not a finishing-stage adjustment.

The shielding assessment must be developed by appropriately qualified radiation protection professionals, including a qualified medical physicist as required by the applicable regulatory process.

7.1 Factors affecting shielding

Factor	Why it matters
Equipment type and energy	Different treatment devices produce different radiation characteristics
Treatment workload	The expected amount of clinical use influences the assessment
Use factor	Indicates how frequently the primary beam is directed toward a particular barrier
Occupancy factor	Reflects how the surrounding space is used and occupied
Adjacent rooms and levels	Determines who or what may be exposed outside the treatment room
Barrier configuration	Walls, floors, ceilings, doors and penetrations must be evaluated
Applicable dose constraints and regulations	Establish the relevant safety criteria for the installation

These variables must be assessed together. No single wall thickness is appropriate for every radiotherapy installation.

7.2 Primary and secondary barriers

A primary barrier is designed to intercept the primary radiation beam where it may be directed. Secondary barriers address radiation such as leakage and scattered radiation, as applicable to the installation and shielding calculation.

The classification and required thickness of each barrier depend on the equipment and approved design.

7.3 Concrete and other shielding materials

Concrete is commonly used for radiotherapy bunker shielding, but the required construction may involve different materials or composite arrangements depending on the design.

Material density, thickness, joints, construction quality and continuity are important. The structural design must account for the actual shielding materials and their loads.

Architects should not specify concrete thickness independently of the approved radiation shielding calculations.

7.4 Service penetrations

Electrical conduits, cable ducts, ventilation routes and other penetrations can compromise shielding if poorly coordinated.

The architectural, structural and MEP teams must agree on penetration locations and configurations with the shielding designer. Approved details may use offset routes, shielded ducts or other engineered arrangements to maintain shielding continuity.

Unreviewed core cutting, drilling or service rerouting through a shielded barrier should not be treated as an ordinary site change.

7.5 Safety systems

Depending on the treatment installation, safety provisions may include:

• Door interlocks.
• Radiation warning lights.
• Patient observation and communication systems.
• Emergency-stop provisions.
• Access control.
• Radiation monitoring and survey arrangements.
• Required safety signage.

The equipment supplier, medical physicist and radiation safety team should define the applicable requirements and ensure they are integrated into the coordinated design.

8. Structural Design Considerations

The structural engineer must design the bunker and supporting structure for the actual equipment and shielding loads.

8.1 Equipment and shielding loads

LINAC equipment, accessories, foundations and shielding can create significant concentrated and distributed loads. These must be included in the structural design basis.

The structural team should coordinate:

• Equipment support and foundation requirements.
• Shielding walls and roof or floor slabs.
• Supporting columns, beams and foundations.
• Openings, ducts and embedded items.
• Vibration or movement requirements specified by the equipment manufacturer.
• Construction joints and sequencing.
• Access for equipment lifting and installation.

8.2 Basement construction

Where the bunker is below ground, the design may also require coordination of retaining walls, waterproofing, groundwater control, drainage and excavation support.

Waterproofing and drainage solutions must not compromise the required shielding or interfere with equipment and service installations.

8.3 Structural grid coordination

Bunker geometry should be coordinated with the structural grid at the concept stage. Late changes to wall locations or shielding thickness can affect columns, beams, adjacent rooms and circulation.

The architect should therefore treat the treatment bunker as a major structural planning element rather than a standard room inserted into a completed floor plan.

9. MEP and Specialist Building Services

The MEP design must respond to the treatment equipment, clinical operation, safety systems and the environmental conditions specified for each room.

9.1 HVAC and environmental control

The equipment manufacturer should specify applicable temperature, humidity and heat-rejection requirements.

The HVAC consultant should coordinate these requirements with the clinical environment and the hospital’s engineering strategy. Equipment cooling may require dedicated systems or specialist connections.

Plant location, duct routing, maintenance access, noise and vibration should be evaluated during design development.

Ventilation systems and their penetrations must also be reviewed for compatibility with the approved shielding design.

9.2 Electrical power and backup

The electrical design should identify equipment loads, supply characteristics, distribution requirements, grounding, emergency power and any UPS requirements specified for the installation.

The electrical consultant must coordinate the treatment machine, control console, imaging equipment, IT systems, safety systems and relevant support equipment.

Backup power arrangements should be based on equipment requirements and the hospital’s emergency-power strategy rather than assumed to be identical for every device.

9.3 IT and data connectivity

Radiation oncology services rely on digital treatment-planning, imaging and record systems.

Planning should account for:

• Network connectivity.
• Workstation locations.
• Data security.
• Server or specialist IT infrastructure where required.
• Equipment-to-system interfaces.
• Cable containment and accessible maintenance routes.

9.4 Plumbing and drainage

Plumbing requirements depend on the clinical service and equipment selected. Patient toilets, handwashing facilities and clinical support spaces should be provided as required by the functional brief.

Any plumbing, drainage or other service route near or through a shielded enclosure must be checked by the shielding designer and relevant consultants before approval.

10. Interior Design, Accessibility and Patient Experience

Radiation treatment can involve repeated visits over an extended period. The interior environment should support comfort, privacy, dignity and clear wayfinding.

10.1 Finishes

Finishes should be durable, cleanable and appropriate to the clinical activity.

The design team should consider:

• Flooring suitable for clinical cleaning and wheeled equipment.
• Wall finishes that can withstand routine use.
• Accessible and maintainable ceiling systems in areas where permitted.
• Appropriate acoustic control.
• Lighting that supports both clinical tasks and patient comfort.
• Protection against damage from beds, wheelchairs and equipment.

In shielded rooms, finish selections and fixing details must preserve the approved barrier construction.

10.2 Accessibility

The department should be designed in accordance with the applicable accessibility regulations and healthcare requirements.

Consider accessible entrances, door clearances, turning areas, seating, toilets, visual signage and routes suitable for wheelchair users and patients on trolleys.

The final layout should be tested using realistic patient and equipment movements, not only nominal corridor widths.

10.3 Privacy and dignity

Provide appropriate visual privacy in consultation and preparation areas. Waiting spaces should allow patients to communicate discreetly with staff.

Clear signage and simple circulation can reduce uncertainty, particularly for patients who are unfamiliar with the department.

11. Schedule of Accommodation

The schedule of accommodation should be developed after confirming the service model, number and type of treatment installations, expected patient throughput and staffing.

A preliminary schedule may include the following spaces:

Room or area	Planning basis
Reception and registration	Patient arrivals and administrative workflow
Waiting area	Appointment patterns, companions and patient comfort
Consultation rooms	Clinical service and number of consulting professionals
Examination room	Clinical examination requirements
CT simulator	Selected equipment and patient-positioning workflow
LINAC bunker	Equipment geometry and approved shielding design
Control room	Equipment console and operational requirements
Treatment-planning area	TPS configuration and staffing model
Medical physics workspace	Service scope and professional workflow
Immobilization or mould room	Required treatment techniques and equipment
Brachytherapy facilities	Include only when the service is provided
Stores and accessory storage	Equipment and consumable requirements
Staff and administrative areas	Staffing establishment and operational needs
Electrical and equipment support rooms	Manufacturer and engineering requirements
Patient toilets and support facilities	Accessibility, patient volume and local requirements

This table is a planning checklist, not a statutory schedule or a substitute for a project-specific room data sheet.

Room areas, clear heights, door sizes and equipment clearances should be confirmed from the applicable guidelines, approved clinical brief and supplier documentation.

12. Design Coordination and Approval Process in India

For projects in India, the Atomic Energy Regulatory Board is a key authority for radiation safety regulation.

Its published radiotherapy resources include safety codes, site and layout guidance and typical installation drawings. The AERB approval process should be coordinated with the broader statutory approvals required for the hospital project.

A practical sequence is:

1. Define the clinical brief. Confirm treatment modalities, equipment, staffing and expected service capacity.
2. Select the proposed equipment. Obtain current technical information and installation requirements from the supplier.
3. Review the site. Record surrounding occupancy, building levels, site constraints and equipment delivery routes.
4. Develop the concept layout. Establish functional relationships, treatment-room locations and technical support areas.
5. Prepare the shielding assessment. Engage the qualified medical physicist and other radiation protection professionals required for the project.
6. Coordinate the structural and MEP design. Resolve loads, penetrations, equipment services, electrical requirements and maintenance access.
7. Submit the required regulatory drawings and documentation. Follow the applicable AERB process and current submission guidance.
8. Complete construction and installation. Maintain conformity with the approved design and coordinate any proposed changes through the appropriate approval process.
9. Undertake commissioning and safety verification. Complete the required equipment checks, radiation surveys, documentation and regulatory steps before clinical operation.

AERB’s approval of a radiotherapy layout addresses radiation safety matters within its remit; it does not replace other municipal, building, fire, environmental or statutory approvals that may apply.

Regulatory requirements can change. The project team should confirm the latest safety code, submission requirements and approval sequence directly with AERB before design freeze and construction.

13. Sustainability and Future-Proofing

Radiotherapy departments are technology-intensive facilities. Adaptability must be balanced against the need for a precisely engineered treatment environment.

13.1 Future equipment replacement

Allow for practical removal and delivery routes, replaceable service connections and access to maintenance areas. Assess whether future equipment may impose different structural or shielding requirements.

Future equipment should not be assumed to fit within the existing bunker without technical verification.

13.2 Energy and environmental performance

Coordinate equipment cooling and HVAC loads with the hospital’s energy strategy. Evaluate efficient plant operation, maintainable systems, suitable controls and opportunities for energy monitoring.

13.3 Flexible support spaces

Where appropriate, support rooms and workspaces can be planned to accommodate changing operational needs. However, flexibility should not be achieved by compromising safety, clinical workflow or required equipment clearances.

14. Common Architectural Planning Mistakes

14.1 Finalizing the plan before equipment selection

Problem: Room geometry, structural loads and service requirements may change after the equipment is selected.

Better approach: Obtain equipment data and involve the clinical and technical team before the plan is frozen.

14.2 Treating shielding as a standard wall specification

Problem: Shielding requirements depend on equipment, workload, use, occupancy and the approved radiation protection assessment.

Better approach: Develop shielding with the qualified medical physicist and coordinate the resulting design with the structural engineer.

14.3 Ignoring surrounding occupancy

Problem: Rooms above, below and beside the bunker can influence the shielding assessment.

Better approach: Record actual adjacent uses and relevant distances in coordinated site and section drawings.

14.4 Routing MEP services without shielding review

Problem: Poorly positioned penetrations can compromise shielding continuity and require costly rework.

Better approach: Coordinate ducts, sleeves, conduits and embedded items before construction.

14.5 Overlooking equipment replacement

Problem: A machine may be difficult to remove or install even when the treatment room itself is adequately sized.

Better approach: Verify the complete installation route and any required lifting or temporary construction provisions.

14.6 Designing circulation only for ambulant patients

Problem: Patients may require wheelchairs, beds, stretchers or assistance.

Better approach: Test the layout against realistic patient movements and accessibility requirements.

14.7 Assuming one standard schedule suits every hospital

Problem: A department with one treatment modality differs from a comprehensive service offering multiple modalities.

Better approach: Base the accommodation schedule on the approved clinical brief, equipment and workload.

15. Advantages of Good Radiation Oncology Planning

A coordinated design can provide:

• Improved patient orientation and reduced unnecessary movement.
• More efficient clinical and staff workflows.
• Better integration of equipment and building services.
• Fewer conflicts between shielding, structure and MEP installations.
• More practical equipment installation and maintenance.
• A clearer regulatory submission and review process.
• Better opportunities for safe future upgrades.

These are intended design benefits, not guaranteed clinical outcomes. Their achievement depends on detailed design, construction quality, commissioning and operational management.

16. Limitations and Project-Specific Considerations

No generic article can provide a complete construction-ready design for a radiotherapy facility.

Final requirements depend on the equipment model, treatment techniques, patient workload, local site conditions, surrounding occupancy, national regulations and the hospital’s clinical operating procedures.

Room dimensions, shielding calculations, structural details, service penetrations, fire and life-safety provisions and regulatory submissions must be developed and reviewed by the relevant qualified professionals.

17. Conclusion

Radiation oncology department design is a multidisciplinary process in which clinical workflow, specialist equipment, radiation shielding, structural engineering and building services must be coordinated from the earliest planning stage.

The architect’s role extends beyond arranging rooms. It includes establishing functional relationships, planning patient and equipment circulation, coordinating the building structure, preserving shielding integrity, ensuring maintainability and supporting future adaptation.

A successful department is therefore one in which the clinical brief, equipment specifications, shielding calculations, architectural layout and engineering systems are developed as a coordinated whole.

For architecture students and practicing professionals, the central lesson is clear: begin with the clinical service and equipment requirements, coordinate radiation protection and engineering early, and verify the completed design against the applicable regulatory requirements.