Design No: 3966
Cavity: 0.49m3 (nominal) with 160mm iron shielding

Contents: Solids, ILW
Categories: , , .

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Package Type

Designed as a self shielded storage, transport and disposal container for IP-2 and Type B (with overpack) quantities of radioactive material.


IP-2 certification available on request. Type B application progress on request.

The container design has been awarded a Conceptual stage Letter of Compliance (cLoC) by Radioactive Waste Management Ltd (RWM).


The MA SAFSTORE is designed as a robust shielded container for storage, transport and disposal of Intermediate Level Waste (ILW). Manufactured from ductile cast iron (DCI), the container structure provides both shielding and enhanced package performance with minimum reliance contribution from the wasteform.

The MA SAFSTORE is designed to be compatible with the RWM Waste Package Specification WPS/380/01 for a 500 litre robust shielded drum waste package. It is designed to accommodate ILW that is intended for disposal within a geological disposal facility (GDF) without the need for any further packaging or treatment. It is also designed to meet RWM disposability requirements after an extended period of on-site storage. A process port is provided for any post-packaging conditioning of contents (optionally further ports can be provided if required).

The MA SAFSTORE shield wall thicknesses is 160mm minimum additional shielding can be provided with a lead liners (up to 80mm thick).

For transport as a Type B a re-usable overpack is required to provide thermal and impact protection of the MA SAFSTORE.

Illustration of Package MA Safstore (160mm wall thickness)

Illustration of Package MA Safstore (160mm wall thickness)


  • Closure via a double lid system
  • Inner ductile cast iron shielding lid with bolted closure provides the same shielding as the container body
  • Steel outer transport lid with verifiable seals and bolted closure
  • Filtered vent in both lids to allow gas release but prevent particulate escape
  • A process port is provided on the inner shield lid

Approved Contents

As a non-fissile Type IP-2 transport package, the 500 litre SAFSTORE is designed to carry solid radioactive materials that qualify as either Low Specific Activity (LSA) or Surface Contaminated Objects (SCO).

As a Type-B package the MA SAFSTORE is designed for a wide range of solid ILW materials (including unconditioned wastes).

Modes of Transport

By road or rail.

Physical Data



Design No 3966

Shield Wall Thickness (mm) 160

External Dimensions

(Diameter x Height) (mm)

Ø1060 x 1,560

Internal Dimensions

(Diameter x Height) (mm)

Ø740 x 1,160
Internal Volume (m3) 0.49
Weight Empty (tonne) 6.5

All dimensions and weights are nominal values