Corrosion Mapping System for Buried Orpheus Regulator Modules – Phase 2

Phase 1 of this Project looked at the feasibility, design and development of a BSD which would enable the internal long range NDT inspection of buried Orpheus Regulator Modules without having to excavate or grit-blast the pipework.

Phase 2 of this Project involves collaboration with James Fisher Nuclear Limited (JFN) to design, manufacture and site trial the BSD; also completing the development of a long range NDT technique suitable for inspecting buried ORPHEUS Regulator Modules. The new BSD is expected to corrosion map 100% of the internal surfaces of 14”, 16”, 18”, 20”, 24” and 30” ORPHEUS regulator modules.

Site trials will be undertaken in the Scotland (SC) and South of England (SOE) Networks; all sites will be selected by SGN and jointly attended by SGN, JFN and a suitable Technical Service Provider (TSP) to assess suitability.

Benefits

The key success criteria for the Project will be:

Eliminating the requirement for excavating and reinstating buried Orpheus Regulator Modules when carrying out inspections
Eliminating the requirement for grit blasting
Eliminating environmental concerns arising from waste disposal issues caused by grit blasting and excavation
Proving the potential to access a greater surface area for 95-100% NDT
Demonstrating compliance with current industry legislation
Reducing the operational time usually associated with the inspection of a buried Orpheus Regulator Module

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Corrosion Mapping System for Buried Orpheus Regulator Modules – Phase 2

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