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Topographic Surveys are used to identify and map the contours of the ground and existing features on the surface of the earth or slightly above or below the earth's surface (i.e. trees, buildings, streets, walkways, manholes, utility poles, retaining walls, etc.). If the purpose of the survey is to serve as a base map for the design of a residence or building of some type, or design a road or driveway, it may be necessary to show perimeter boundary lines and the lines of easements on or crossing the property being surveyed, in order for a designer to accurately show zoning and other agency required setbacks.
Metrix specialise in the provision of measured survey data in digital format for use in CAD (Computer Aided Drafting) systems as used by 90% of architects, engineers and contractors in the UK. If you need data in a different format for your system, just ask!
Yes, we can provide accurate site areas which can aid when purchasing land. We can also accurately set out the areas if disputed or if land titles are divided. If you require the volume of material measured we can provide it, we undertake many stockpile surveys and have extensive experience on landfill sites.
The amount of detail included in a measured building survey depends on your requirements, and may vary for the purposes of design, planning or feasibility. The structural elements including walls, columns and beams, being the most important, are shown on the floor plans, elevations and sections. All features such as doors, windows, services fittings are then added with floor levels, heights and descriptive text to give a clear representation. Survey drawings are normally delivered as CAD files and as scaled paper plans.
We update many plans we have previously surveyed, even plans that were not originally surveyed by us. New boundaries, new levels, new roads etc potentially mean new surveys being required. Please feel free to get in contact with us so we can advise further.
Geomatics encompasses the collection, management and presentation of spatial data. This discipline has evolved from the traditional collection of data associated with land surveyors.
GPS - Global Positioning System is a network of satellites system run by the U.S. government which constantly send out the time and their position, the difference in time when the signal is received multiplied by the speed of light gives the distance between the satellite and the receiver and the distance from 4 satellites enables a 3D position of the receiver to be calculated. Due to differences in atmospheric composition, errors in satellite position and clock errors the best accuracy achievable using this method alone is only 2-5m.
