Specialists in locating &

mapping underground utilities

SERVICES

We are specialists in the location, surveying and mapping of underground utilities, providing you with an accurate and detailed plan of all detectable underground services within your specific site and we can carry out all major underground surveys, some of which are:

GPR Detection

GPR Detection

Ground-penetrating radar (GPR) an electromagnetic method to locate targets including; metallic and non metallic utilities, concrete footings, fuel tanks, concrete rebar, buried manholes and graves.

EMI Pipe & Cable Locating

EMI Pipe & Cable Locating

Electromagnetic Induction (EMI) pipe and cable location is a method to identify metallic utilities, or those with a tracer wire, including power, gas, telecommunications and water pipelines.     

Mapping Utilities

Mapping Utilities

A GPS survey provides a 2D plan of the site based on aerial imagery from council GIS data,with GPR/EMI surveyed service lines plotted using GPS positioning. Deliverables will be in PDF/CAD/GIS format.

Concrete Scanning

Concrete Scanning

Concrete scanning is a handheld device using GPR technology for non-destructive investigation to scan walls, ceilings and demarcate rebar to structures such as shopping malls or underground car parks.

Duct Rodding

Duct Rodding

We use duct rodding to locate stormwater pipelines, water pipelines (with access) by insertion of fibreglass rodding with a copper wire to enable us to apply EMI pipe and cable locating.

Drone Surveying

Drone Surveying

Our Drone/UAV service offers you a very high resolution georeferenced aerial imagery of the site, with colour coded services mapped to scale. Deliverables will be in PDF/CAD/GIS format.

Project Management

Project Management

In order to provide a complete solution SSD can coordinate the use of hydro excavation for pot holing and confirming services; CCTV drain camera inspections and traffic management.

Stand-Overs

Stand-Overs

We provide experienced NZQA qualified technicians for stand-overs.This offers the best practice and a safe work method when near high voltage power, high pressure gas and critical communications lines.

Leak Detection Services

Leak Detection Services

Our sister company Leak Detection Ltd focus on the location of underground water leaks for residential and commercial customers using acoustic devices with pipe and cable location.

Phone: 0800 500 330 - Email: admin@subsurfacedetection.co.nz

TESTIMONIALS

I just wanted to pass on my congratulations and positive feedback to your teams survey fieldwork completion on a very difficult airfield operational area.
Jonathan – May 2017

We just want to take the opportunity to praise the staff member who attended our property. He was professional, courteous, well informed and presented us with exactly the information we were asking for. Of course you would expect that but, the manner in which he performed his duties was exemplary. You are fortunate to have such an employee. 

Robin – Feb 2019

This is to thank you and your team for the great work you did on the above project. You achieved everything asked, on time, and on budget. The results exceeded our expectations and were essential to achieving our objective. We’ve had great feedback about the work and there seems to be a general acceptance by management that using a contractor is the way to go.

Auckland Council – Dec 2018

Many thanks for doing a top job at no 8 Clifton Road, Takapuna.  The contractors were most impressed with Tom’s work and have taken your details so they can phone you when they need similar work in the future.
Ngaire – March 2018