TDG delivers controlled-entry diving for potable water storages, treatment plants, reservoirs and contaminated environments requiring specialised handling. Operations are conducted using dedicated equipment, strict hygiene controls and defined decontamination procedures that ensure asset integrity and water quality protection.

Services include reservoir inspection, tank cleaning, valve and screen replacement, structural checks, sediment removal, pipe entry and maintenance and repair of submerged components in treatment facilities.

All activities follow well-documented protocols that meet the expectations of utilities, water authorities and regulatory bodies.