Underground Utility Survey in Dehradun

Updated: 23 October 2026

Who is this Dehradun survey guide for?

Anyone about to break ground in the capital of Uttarakhand – a contractor laying a cable or water main, a telecom firm planning a duct, a builder setting out foundations – needs one answer before money goes into excavation. An underground utility survey in Dehradun gives it: what is already down there, and roughly how deep?

This guide covers the method, the valley's ground, the survey types, the terms in quotes and reports, and how to plan, budget and store the results. The radar work itself is described on GPR survey in Dehradun.

What does an underground utility survey actually do?

It is a non-destructive inventory of buried services along a strip of road or across a plot, built from two kinds of utility detection:

• Ground penetrating radar (GPR) fires pulses downward and logs an echo wherever the dielectric properties of a buried object differ from the surrounding material, that is, wherever it responds to the pulse differently. It finds plastic and cement pipes as well as metal ones, plus ducts, chambers and voids.
• An electromagnetic cable locator follows metallic utilities (live cables, steel or iron pipes, metal-sheathed telecom cables) by the field around them, either present already or applied by our crew.

You receive a signed report plus utility-colour marks showing approximate depths; drawings come only when ordered.

Why does digging in the Doon valley call for a survey first?

Several local factors raise the risk of an unplanned strike:

• Stony ground. The valley floor is boulder-rich, which distracts a crew from the cable it should be watching for.
• Shared road space. UPCL (Uttarakhand Power Corporation) handles power distribution, and its cables share the road with water, sewer, drainage and telecom lines laid by other owners at other times.
• Civic upgrades. Dehradun Smart City works add services and rebuild drains, so a street record from a few years ago may no longer match the ground.
• Scattered paperwork. Each owner keeps its own drawings, if any survive; no single map holds them all.

Mezux Touch has no affiliation with UPCL, Dehradun Smart City, the municipal body or any development authority. Record requests and permissions stay with the client who orders the survey.

Which types of survey suit Dehradun projects?

Linear route survey

For a new HT/LT cable, water main, sewer or OFC duct: radar passes follow the alignment, with extra passes across it at junctions, chambers and bends. Billed at ₹24 per metre.

Route survey with L-section

The same scan plus a profile showing how deep each detected service runs along the route, at ₹32 per metre – see the L-section GPR survey page.

Plot grids and crossing scans

A grid over a plot, school or hospital before foundations, and a closer scan wherever a duct will be bored under a road or drain.

Fault locating, trial pits and boreholes

Finding where an existing cable has failed is a separate, separately priced task. Pits or boreholes are opened on request at chosen points to confirm what the instruments showed.

What do the specifications and report terms mean?

1. Line spacing – how far apart parallel passes run on a wide road or plot; closer spacing finds more but takes longer.
2. Detected versus identified – a detected line is something real in the ground; an identified one can be named as cable, pipe or duct with reasonable confidence.
3. Approximate depth – derived from the travel time of the radar pulse, and an estimate until a pit proves it.
4. Penetration depth – the depth to which the radar image remained readable on each section. High moisture content, wet clay or saline ground cause signal attenuation, meaning the pulse weakens before it can return; dry sandy ground helps, and stony fill adds clutter. It is stated section by section.
5. Excluded stretch – a length we could not scan, with the reason.

What features separate a useful survey from a weak one?

• Company-owned kit, in-house crews. Every one of the 58 GPR systems and 18 HDD rigs we use is company-owned and run by in-house teams, with nothing hired or sub-let.
• Two methods, so non-metallic pipes and conductive cables are both covered.
• Honest limits. Weak readings, stony clutter and blocked lengths are written down, not smoothed over.
• Marks matched one-to-one with the written report.
• Certified processes: ISO 9001:2015 (quality), ISO 14001:2015 (environment) and ISO 45001:2018 (safety).

Our survey record stands at 1.5 lakh+ km across 28+ States/UTs, built up over 23 years.

What goes into planning and budgeting an underground utility survey in Dehradun?

1. Fix the scope. Share a KML file or drawing with the length, and flag busy junctions, Smart City streets under work and road crossings.
2. Agree the programme. Crews and systems travel from Faridabad, so we agree the programme and mobilisation with you before any dates go in the diary; mobilisation is quoted as its own item.
3. Work out the cost.

• ₹24 per metre for a standard scan, so a 5 km cable route costs ₹1,20,000; with an L-section the same route is ₹1,60,000.
• Orders shorter than 4 km are billed at the 4 km amount, and since Dehradun lies outside Delhi NCR, no project is billed below ₹1,00,000 – a 2.5 km lane therefore costs ₹1,00,000.
• Whole-order discounts apply: 25% past 100 km, 40% past 500 km, 50% past 1,000 km.
• GST is added. Night work, traffic control with any permits it needs, and CAD/GIS sets are quoted as separate items.

The full slab table sits on our GPR survey price list.

How should survey records be maintained afterwards?

Ground paint wears away within days on a busy road, so treat the signed report as the lasting record. File it with the route file and any drawings, dated, under the project name. When excavation exposes a service, note its true position and depth next to the survey finding, and if others dig the same stretch later, rescan before new work.

The Dehradun location page summarises our trenchless and survey work in the city, while the state capitals GPR survey hub lists every other capital we serve.