MightyMoe I will probably ask my assistant to pace where the ground is level, then I'll stadia the very steep sections.Thanks for your help.

Norman, Thanks for pointing that out. I should have said "error tolerance" as I think I've misled some people. The terrain doesn't permit vehicles and...

Levelling Error DistributionThanks guys for your input. You've put me on the right track now.I have another question:When calculating misclose adjust...

Thanks for your thoughts Merlin.I've recently done a levelling survey using an aluminum staff. This material has a thermal expansion of 0.23mm per met...