Another sunny day levelling... transferring levels from control point to control point through a...
All good surveys rely on a solid control network, and we're all about the quality here at Delta Zulu Surveys....We have, of course, been kept busy installing plenty of Permanent Ground Markers (PGM's), pegs, nails, retro targets etc on all manner of projects/sites over the years.... And then it's all about accurate traversing (and levelling) of all of these points to build up the appropriate, solid, top quality control network....
