Changes

* You carefully place the dioptra on its tripod in front of you.* You make sure the dioptra is level.* You point the dioptra at <Player>.* You wave at <Player>.* You line up the dioptra with <Player>.* You look through the dioptra.* You focus on the range pole.* You read the graduations on the range pole and work out the height difference.* You check the heights of the plan ends.* You appear to be <xx> dirt <Higher/lower> than <Player>.* You work out the orientation and width for the bridge.* You check for clearance between the bridge ends.* You check for protruding foliage.* You check for nearby cave entrances.* You check for any items in the way.* You check that you have permissions to build the bridge.* You check for any bridges that may interfere with this bridge.* You check there would be no buildings under this bridge.* You work out the styles of bridges that would fit.* You start working out the bridge components required.* Planned bridge area is <x> tile(s) long and <x> tile(s) wide.* You stop surveying.* You pack up the dioptra. ==Surveying==