Tank Cleaning

Safe, Compliant Cleaning for Critical Storage Assets

Tanks used for fuel, chemicals, water or waste require routine cleaning for performance, compliance and change-of-service needs.

InterGroup provides regular cleaning and maintenance to contribute to operational safety, product integrity and readiness for repurposing – reducing risk and extending asset value.

InterGroup cleans a wide range of tanks, both aboveground and underground, with access and safety protocols matched to each job’s requirements and hazards.

Our capabilities include:

Manual and robotic tank cleaning
Sludge and scale removal
Gas freeing and ventilation
Confined space-certified crews and BA rescue capability

Why InterGroup

We bring a stringent focus on safety and take our environmental responsibility seriously. With extensive experience across high-risk industries, we have proven our ability to self-perform vacuum loading, waste removal and decontamination – positioning us as New Zealand’s most efficient, integrated tank cleaning provider.

Our capability is demonstrated across complex and high-risk environments, including large-scale municipal wastewater infrastructure and industrial tank systems:

Bromley Wastewater Treatment Plant – Tank Cleaning & Protective Coatings
https://intergroup.co.nz/case-studies/tank-cleaning-protective-coatings-bromley-wwtp/