Check list: requesting a new SnakeGrid

So we need:

  • A set of seed points, with coordinates in plan and height, in a specified datum, accurate to about 10 m in plan and 10 m in height (but this accuracy is not critical if you don’t yet have precise coordinates for the route).
  • A chosen name for the grid, up to 16 characters, no spaces.
  • Where separate branches are to be used, details of where the join is to be effected. This could be a coordinate, or it could be a description (e.g. “junction 1 km west of Reading station”).
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