B336.3 Safety Case,nuclear decontamination and demolition at RSRL (formerly UKAEA), Harwell

H Smith (Engineers) Ltd were commissioned to undertake full chemical, radiological and structural surveys of B336.3 prior to undertaking a Safety Case for the works and eventual decontamination and demolition of the building. 

The building was part of the old LETP (Liquid Effluent Treatment Plant) and over the decades had dealt with contaminants with a multitude of radiological fingerprints. 

Led by a team from our Asbestos Division we trialed (off site) and eventually were commissioned to use a bespoke vacuum blasting system, unique to ourselves, to remove shallow layers of radiological contamination of all floors, ceilings, beams and walls. 

This included works externally where we again pioneered a modular, re-useable GRP tenting system that could withstand the elements. 

This pioneering methodology reduced the volume of radiological LLW (Low Level Waste) that has to go to Drigg by approximately 30 HHISOs (Half Height ISO containers) and thus saved the client well over £1m.

Works also included asbestos removal, final demolition of the building and collection of below ground soil for later assessment and processing by the client after we had finished. 

This project was instrumental in winning us both the National Demolition Contractor Award and National Demolition Specialist of the Year Award. 





Project Value:          

Demolition:             £1,000,000        

Asbestos:               £10,000          

New Works:            £10,000

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