National Grid

Spatial assessment of a tower and its 250 m buffer zone, in comparison with the BGS GeoSure landslide susceptibility model.

National Grid owns and runs a significant network of cables, substations, towers and other electrical infrastructure that is distributed across the country and sometimes located in remote or challenging conditions that may be vulnerable to hazards. The BGS has been working with National Grid to undertake a screening exercise to identify potential geological and flooding hazards that might impact their network.

The BGS was commissioned to provide a hazard assessment for over 30 000 assets to determine which were most 'at risk' thus requiring further investigation. The locations were evaluated against a number of BGS and Environment Agency datasets including hazards associated with mining, compressible ground, soluble rocks, running sand, landslides, shrink-swell, collapsible deposits and flooding.

The analysis was able to indicate whether there was a hazard directly under, or within the immediate proximity of, an asset (within a 250 m buffer zone around the asset). This data can now be used by National Grid to understand which assets are potentially at risk from specific hazards and to design further investigations or remedial or mitigating action plans.

Contacts

Contact Russell Lawley for more information.