Specialist Sector
Electrical substations contain some of the highest consequence infrastructure in the country. Excavation around high voltage cables and earthing systems requires methods that eliminate strike risk. Suction excavation has become essential for safe substation works.
Substation Works projects present specific excavation challenges that require specialist approaches.
High voltage cables can cause fatal injuries if struck, with arc flash risks even without direct contact
Complex cable routing within substations means services may be present at unexpected locations and depths
Earth mat systems extend throughout substation footprints and beyond, requiring protection during any excavation
Strict permit systems and safety protocols govern all work within substation boundaries
Suction excavation addresses these challenges with precision and safety.
Air excavation eliminates any possibility of tool or bucket contact with energised cables
Dry method ensures no water tracking along cable surfaces or into damaged insulation
Precision control allows excavation within tight spaces between equipment and cable runs
Experienced operators understand the specific requirements and permit regimes of substation environments
Our operators support a wide range of substation works requirements.
Cable route verification and depth confirmation within substation boundaries
Excavation for new cable entries and exit trenches
Foundation works for new equipment while protecting existing cables
Earth mat exposure for testing, repair, or extension
Transformer pit excavation and oil containment works
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