s GPS and Land Surveys

Main GPS Surveys

Topographical Surveys We have been undertaking GPS surveys in a variety of projects, from installation of survey station networks to photo-

Photo-control Points Surveys control points, 1:500 scale mapping and referencing of topographical surveys to Ordnance Survey National Grid and Datum.

GPS Surveys Projects include: survey control station networks to enable setting out and other building work on pipeline corridors

Engineering Surveys in the East of England to 20mm accuracy in position and height;

Setting Out and ‘As Builds’ survey control station networks for a total of 450 miles of pipelines in East Germany (~650 points);

Hydrographical Surveys geo-referencing a 1:500 scale survey to OS National Grid and Datum to ease use with OS maps

Contact topographical survey by real time kinematic methods for playing fields in Gloucestershire (1:500);

map revision of two square kilometers by RTK methods near Perth, Scotland;

development of transformations between several used local grids, a new local grid and OS national

grid for a hospital site in the Bristol area;

1:500 scale RTK survey of a gravel quarry, river and camp site near London (over 10 km²).