3D Model

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The Reactor Island houses all of the nuclear systems on the SMR. This includes the reactor core, steam generators and associated safety systems, all of which are within a separate containment structure.

The Turbine Island (also known as the Turbine Hall) houses the steam turbine, generator and associated plant.

Whilst considerably smaller than power stations currently in construction, the SMR will still use significant volumes of water for cooling. The cooling water pump house contains a number of electric pumps to draw water into the turbine condenser. Depending on the location of the SMR, the cooling water source will be the sea, river, lake or a cooling tower system.

1. The gatehouse is the single entry/exit point for the UK SMR – All staff and visitors are security checked at this point and at a number of other locations on the SMR site, before access is granted to secure areas.

2. Administration building includes provision for security offices and training facilities alongside other management and operational support staff.

3. Provision for on-site emergency services facilities and backup control centre.

4. Transformer Compound houses High Voltage electrical transformers and switchgear associated with the import and export of HV power supplies to and from the SMR.

5. One of two independent sets of back-up generators located on-site to drive the SMR cooling and operating systems in the event of a power outage.

6. Provision for interim on-site storage of intermediate level waste (ILW) and spent fuel, prior to long-term geological disposal.

7. Stores and Workshops are provided for on-site maintenance of components and the storage of process chemicals.

8. One of two independent sets of back-up generators located on-site to drive the SMR cooling and operating systems in the event of a power outage.

The shell of the SMR provides an important resilience function – obscuring visibility of security sensitive assets and providing physical protection from external impacts. It also reduces the visual clutter normally associated with nuclear power stations and enhances the aesthetics of the site.

The landscaping outside of the SMR site boundary will contribute further to the security and physical resilience of the site.