We support the inspection, maintenance, renewal, and operation of potable water, wastewater, and stormwater networks. Services include CCTV inspection, hydro excavation, pipeline cleaning, pump station maintenance, bulk liquid transport, and trenchless rehabilitation using UV cured and fold-and-form pipe relining systems. These services help asset owners extend network life while maintaining reliable and compliant infrastructure.

We provide environmental and maintenance support for rail infrastructure projects, including hydro excavation, contaminated material handling, trenchless pipeline rehabilitation, and construction support services delivered in compliance with rail corridor requirements.

We provide environmental services that support the safe delivery and long term performance of major infrastructure projects. This includes hydro excavation, service exposure, vacuum loading, pipeline inspection, trenchless pipe relining using UV and fold-and-form methods, and material recovery services that reduce risk and improve delivery outcomes.

TDG works alongside councils and government agencies to maintain public infrastructure and manage environmental risks. Our services include stormwater network maintenance, hazardous waste handling, scheduled cleaning programmes, trenchless pipeline rehabilitation, and specialist environmental response support.

TDG supports civil contractors with non-destructive excavation, drainage support, dewatering, pipeline cleaning, trenchless rehabilitation using UV and fold-and-form relining systems, and compliant waste handling. These services help prevent utility strikes and reduce disruption during renewal works.

We assist transport contractors with drainage maintenance, vacuum loading, service locating support, culvert and pipeline rehabilitation, and environmentally responsible management of construction waste across road and tunnel projects.

TDG supports power, energy, and utility providers with specialist cleaning, vacuum excavation, hazardous waste handling, and infrastructure maintenance services that protect critical assets and surrounding environments.

We partner with environmental consultants to deliver field services including bulk waste transport, pipeline cleaning, trenchless relining support, site services, and material recovery, helping meet investigation, remediation, and compliance objectives.