GPR Services
Underground Cable Detection and Route Mapping
A cable locator needs a signal. The cables that cause injuries are the ones that do not give it — abandoned runs, cables inside duct banks, and circuits running parallel and close.
Where a locator goes silent
Abandoned cable carries no signal.Duct banks blur four into one.Parallel circuits will not resolve.And all three are common.Electromagnetic locating is the right first tool and it fails exactly where the risk concentrates. Radar reads the physical duct and bedding rather than the current, which is why we run both and reconcile them rather than choosing one.
Power · Telecom · OFC · Duct banks · Abandoned runs
Quick AnswerMezux Touch detects and maps underground cable routes — HT and LT power, telecom and optical fibre — using radar and electromagnetic locating together, so abandoned cable, duct banks and parallel circuits are resolved rather than missed by a single method.
Two methods because either alone leaves a gap
Electromagnetic locating gives a strong trace on live or accessible cable and is the natural first tool. It fails on abandoned cable, which carries no signal at all; it blurs cables inside a duct bank into a single unresolvable trace; and it cannot separate parallel circuits running close together.
Radar reads the duct, the bedding and the physical arrangement rather than the current. Together the two resolve what neither would alone, and where they disagree we investigate rather than adopting whichever answer is tidier.
The most dangerous assumption in this work
That a cable which appears disused is dead. On networks of any age a feed disconnected at one substation can remain energised from another direction, and the person who would know retired years ago.
We report apparently abandoned cable as unverified rather than dead, and say plainly that only the asset owner can confirm it. Where no owner can be identified, that is itself the finding.
How cable routes are established
Whatever the owner still holds
Utility records are the starting position and rarely the answer. We reconcile against them and report where the ground and the drawing disagree, which is usually a longer list than expected.
Electromagnetic locating first
Live and accessible cable is traced electromagnetically, which is fast and reliable where a signal exists. This establishes the backbone of the picture.
Reading duct rather than current
Radar covers what the locator cannot see: abandoned runs, duct banks and parallel circuits, by reading the physical structure rather than an induced signal.
Investigating where they disagree
Where the two methods conflict, that conflict is investigated and written into the report rather than resolved by preferring the tidier result.
Mapped as structures, not lines
A concrete duct bank is reported with outline dimensions and depth. Drawing it as a centreline invites an excavator to dig alongside something considerably wider.
Live, unverified or unattributed
Every detected cable is graded. Nothing is marked dead without owner confirmation, and lines no owner claims are reported as unattributed rather than assigned on plausibility.
Nominating what to verify
Where a strike would cause injury or a significant outage, the crossing is nominated for physical verification rather than cleared on detection alone.
Layers a utility team can maintain
HT and LT in separate layers, with detection method and survey date per feature, in a format the owner's own engineers can extend as the network changes.
Working near live cable
The survey is entirely surface-based, so no outage is required. For electromagnetic tracing a live cable is frequently easier to follow than a de-energised one, which is one of the few conveniences in this work.
Where an excavation approaches HT, we recommend verification rather than clearance on detection, because touch potential and arc flash make a cable strike an injury risk rather than a supply interruption.
Cable networks across NCR
Cable route mapping covers both power cable detection on distribution networks and telecom cable detection on operator routes, and the two frequently share a corridor without either owner knowing it. Distribution and telecom cable is traced across the capital region. Age and density of the network differ sharply between these areas:
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Frequently asked questions
Because it needs a signal. Abandoned cable carries none, duct banks blur several circuits into one trace, and parallel runs cannot be resolved.
Not from a survey alone. We report status as live, unverified or unattributed, and only the asset owner can confirm a cable is dead.
As structures with outline dimensions and depth, not as centrelines. A line invites digging alongside something far wider.
No. Work is surface-based, and for electromagnetic tracing a live cable is often easier to trace than a de-energised one.
That is the intention — layered by voltage with method and date per feature, in a format your engineers can extend.
Excavating near cable you cannot account for?
Send the area — the cables that matter most are usually the ones a locator will not find.
Get A Quote +91 99100 10209Cable detection — ownership, records and detailed questions
The hardest part of cable work in India is rarely the detection. It is establishing who owns what, because distribution networks have been reinforced, diverted, sold, abandoned and re-fed over decades, and the person who could confirm a given cable's status frequently no longer works for anyone involved.
Why ownership matters more than the trace
A survey can tell you a cable exists, its route, its depth and how confidently it was detected. It cannot tell you whether that cable is energised, and no radar or locator ever will. Only the asset owner can confirm that, which means the useful question on any old network is not what was found but who can be asked about it. We record that alongside each finding, and where no owner can be identified we say so rather than letting silence read as safety.
How to use a cable survey properly
Treat the drawing as a map of where to be careful rather than a clearance certificate. Use the status grading: confirmed live means plan around it, unverified means verify before excavating near it, unattributed means treat as live and pursue ownership. And where a strike would cause injury rather than an outage, insist on physical verification regardless of how confident the detection looks, because the difference in consequence justifies the difference in cost several times over.
Beyond the basics
Why can a survey not confirm a cable is dead? Because detection reads the physical line, not its electrical state. A de-energised cable and a live one look identical to radar.
Who should we ask about an unattributed cable? Start with the distribution licensee, then the local authority, then any industrial occupier past or present. Where all three draw a blank, treat it as live.
How reliable are utility records here? Variable, and usually describing the network as designed rather than as reinforced and abandoned since. The reconciliation list is normally long.
Does age of network change the approach? Substantially. On a network over thirty years old we expect abandoned runs and unclaimed cable as the normal condition rather than the exception.
What does verification actually involve? Careful exposure at a chosen point, usually by vacuum excavation, to confirm what a detection shows before an excavation depends on it.
Terms used on this page
Asset owner — the party who can confirm a cable's electrical status, which no survey can. Status grading — classifying each finding as live, unverified or unattributed. Reconciliation list — the differences between a utility's records and what was found in the field. Vacuum excavation — non-destructive digging used to expose a service safely for verification. Unclaimed cable — a line no owner acknowledges, treated as live by default.
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