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Drain Mapping & Charting

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Drain Mapping and Sewer Pipe Location 

We offer a full range of sewer and drain mapping and drain tracing services. Drain mapping is the ideal solution and is a vital part of any building works. As drainage infrastructure needs to be inspected before any building works can take place.

Architect, builders & surveyors will require a detailed drainage plan showing the position of the drainage pipework as your local water authority drainage system such as sewers pipes can often be found running through a property or under the private gardens. The information gathered by using drain mapping service the architect, builders & surveyors will be able to determine if a ‘build over’ an agreement is required.

Sewer and Drain Mapping Charting Survey Packages

✔ Standard Pipe Tracing
✔ Sketch Drainage Plan
✔ Pipe Size & Direction Flow
✔ Depth Level of Manhole
✔ Sonar Tracing to 99.7% Accurate
✔ Computerised Drainage Plan
✔ Data transfer to existing AutoCAD / DWG Plan
✔ Pipe Size & Direction Flow
✔ Depth Level of Manhole
✔ Measurements taken using Laser Leica
✔ Accurate mapping to 99.7%

Many residential properties do not have any drainage plan of where their drains and sewer pipes are within the property boundary. Build over survey are becoming more common now a days for people building extensions. It is important to know exactly where the drains and sewers are and who they belong to.

Drain 247 has invested in the latest mapping technology equipment which has a tolerance of 0.3% of the position and depth of any drainage pipework. (For example, 0.3% of 1.0meter is 3mm). This enables Drain 247 experienced engineers to create high-quality drainage reports, drainage maps and full annotated site plans of sewers, culverts, riverbeds and wider drainage systems. Also using our state of the art camera technology and crawler cam tracking units. Drain 247 can survey diameter from 100mm up to 4000mm pipework.

Our In-House AutoCAD Team

An image of a Drain 247 engineer measuring the position, direction and depth of drains using Drain Mapping equipment

Our in house and External engineers have the capability to map and create new AutoCAD drainage plan or to transfer drainage & sewer data onto existing AutoCAD map. The accuracy of this data is crucially important for architects and developers, and to meet this level of quality.

Our Drain Mapping, GPS Charting, Sewer Mapping, Sonar Tracing and Pipe Location cost is based on the level of investigation required.

A standard terraced or semi-detached house would typically require 2 hours to survey and map the drainage system for our engineers to be able to produce a quality report and drainage plan.

For more information on the service please contact our office  on our freephone number 0800 612 8038  and our staff will be happy to offer you a free quotation.

  • Pipe sizes
  • Depth levels
  • GPS locations
  • Flow directions
  • Manhole locations
  • Boundary measurements
  • Schematic AutoCAD drawings

What Is Drain Mapping?

Drain Mapping is the process of locating existing underground drain lines, finding out where they go and plotting the information onto a site plan; the method used to gather this information can range from sonar tracing to GPS location, water/dye tests to laser profiling to a topographical survey – our drain 247 engineers are capable of carrying all works out quickly and efficiently.

Services include:

  • CCTV Drain Survey
  • Rat & Rodent Survey
  • CCTV Sewer Inspection
  • Party Wall Drain Survey
  • Structural Drain Survey
  • Commercial Drain Survey
  • Home Buyer Drain Survey
  • Drain Mapping & Charting
  • Sonar Tracing & Pipe Location

What Is Sonar Tracing?

An image of Drain 247 engineers performing a Drain Mapping inspection at a property

Sonar tracing is a method to map and locate your drainage pipework; this technique relies heavily on sending out a signal from a SONDE transmitter that’s been integrated into our CCTV camera heads the signal is then sent back up and picked up by the Sonde receiver the engineer is using above ground.

The engineer is then able to pinpoint the approximate depth and location of the pipework, although sometimes the signal can become distorted due to interference from other utility services cables.

What Is GPS Mapping?

GPS mapping is a type of mapping service that integrates GPS locations with a sonar trace. The drainage engineer will use the utility GPS tracer to be able to obtain the longitude and latitude reading.

This data will then be transferred to the mapping service. The benefit of this is to allow for the approx. location of the pipework to be obtained in accordance with the equipment manufacturers guidelines.

Contact Us for Sewer and Drain Mapping Services in London, Hertfordshire and the UK

Contact our friendly team of drainage experts today and get a fast, fixed price quotation. From our headquarters which are located in Borehamwood, we provide expert sewer and drain mapping services to Hertfordshire, London and all over the UK.

Feel free to can get in touch via our contact form or call us on 0800 612 8038.

Our Accreditations

Thanks to our innovative approach to quality, safety and environmental standards we’ve received accreditations from industry bodies.

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