Electrical Earthing
Hallmark provides a complete substation earthing service with total earthing installation work including switching mat installation, major and minor remodelling of substation earth grids.
We work closely with world leading specialists; Strategy and Solutions Ltd, Earthing Measurements Division. We have installed earthing to remodelled Central Networks’ hottest sites bringing down step and touch potentials and reducing EPR in fault conditions across these sites.
Other relevant earthing works include;
- Substation emergency re-earthing
- Surge arrestor adaptors
- Fabrication and installation
- Substation lighting
- Relocation of substation plantincluding sealing end structures, NER’s etc
- Miscellaneous transformer vent pipe works



