As a leading drain mapping & charting company in London and Hertfordshire. Being able to pinpoint any sewer, drain or culvert using specialist equipment to confirm the depth, direction and location and providing an accurate and detailed plan.
It’s easy to see why Drain 247 has become the leading contractor in this field. Our drain mapping services are affordable, professional and provide critical information about the condition of underground pipes. This is vital when planning and undertaking both design and construction work.
As established drain mapping and pipe location contractors, we offer two types of mapping services. Our most popular package is the Comprehensive because it includes a full range of drain mapping services that are in-depth accurate and detailed.
It is important to know exactly where the drains and sewers are and who they belong to because some time local water authority drainage systems such as sewers, pipes, culverts and surface water can often be found running through a property or under the private gardens. You MUST inspect your drainage infrastructure system before any building work can take place.
Drain 247 highly experienced engineers can offer a unique mapping service. One that allows architects, builders & surveyors, residential property owners to determine whether a ‘build over’ agreement is required or not.
Many commercial property owners, and building developers do not have any drainage plan of where they drains and sewer pipes are. Build over survey are becoming more common now a days for people building extensions this is why it is good to to book a drain mapping appointment.
We have invested in the latest state of the art CCTV camera technology and crawler cam tracking units to carryout survey on pipework diameter from 100mm up to 4000mm pipework.
In-House AutoCAD Team
Our In house team 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.
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.
What Is Sonar Tracing?
Sonar tracing is a method of mapping 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 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 drain mapping services that integrates GPS locations with a sonar trace. The contractor will use the utility GPS tracer to be able to obtain the longitude and latitude reading. the 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.
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