Halcrow has been continuously involved with Low Level Waste Repository (LLWR) for radio-active waste at Drigg since 1993.

The work has comprised numerous studies intended to support BNFL’s Operational Environmental Safety Case and Post-Closure Safety Case (PCSC). Halcrow drafted two of the PCSC reports and prepared over 20 supporting documents.

The work has included:

• risk assessment and engineering performance studies
• reviews and costings of design options
• materials resources studies
• geotechnical interpretation