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Land Surveying EC4202 2013 Assignment One.

Task- We did a levelling circuit around Union Street, Harbour Terrace, Forth Street and St David Street. The aim was to level around from point A through to point D with one inverse shot to find the height of A Block. We levelled the route completely once but swapped around and adjusting and moving the staff and tri pod each time. We all had turns at booking, shooting and holding the staff. We adjusted the lenses of the Dumpy Level to suit everyone’s eye so we would be able to eliminate parallax error. We tried to keep our back site and fore site shots at equal distances although we were not able to on St David Street. By keeping our…