Non-Destructive Digging (Hydro Excavation) uses high-pressure water and a vacuum system to safely remove soil and expose underground utilities without damage.
Gas mains
Water & sewer lines
NBN & fibre
Power cables
Stormwater assets
NDD is essential for civil, infrastructure and reactive repair work where precision and safety are critical.
Our NDD Capabilities
Potholing & Service Locating
Safely expose existing underground services with precision.
Trenching
Narrow, controlled trenches for conduit, pipe and cable installation.
Excavation Around Tree Roots
Low-impact excavation for landscaping, council and environmental projects.
Emergency Burst Water & Sewer Response
Rapid mobilisation — trusted by Downer Pipetech for Sydney Water reactive work.
Footpath & Road Crossing Excavation
Safe excavation with minimal community disruption.
Our On-Site Process
Arrival and Safety Setup
We mobilise to the site on schedule and conduct a comprehensive risk assessment and safety briefing before work begins.
Establish Controlled Work Zone
We secure the area with appropriate exclusion zones and barriers to ensure safety for the public and site personnel.
Hydro Excavation with Precision Water Jet
Using high-pressure water, we safely break up soil to expose critical underground utilities without risking damage.
Spoil Vacuumed Directly Into Truck
All excavated material is immediately extracted into our vacuum unit, keeping the trench clean and the site congestion-free.
Site Cleaned, Safe and Ready for the Next Trade
We complete a final wash-down and site handover, ensuring the area is safe and ready for immediate access by follow-on trades.
Why Choose Us
Why Us
Prevents damage to buried utilities
Minimises reinstatement & restoration costs
Reduces risk in congested service areas
Compliant with Sydney Water & council requirements
Cleaner and safer than mechanical excavation
Ideal for tight access & high-risk zones (footpaths, roadsides, CBD)
Who We Work With
Sydney Water contractors (Downer Pipetech)
Civil contractors
Plumbers
Telecommunications crews
Councils
Frequently Asked Questions
Yes — our equipment is ideal for confined and urban sites.
Yes — we regularly assist with burst mains and sewer failures.
ASB Vac Services are a proudly Australian owned company who strives to ensure our customers are met with the upmost professionalism and quality of service.
