Part 1Works, etc.
Works
4Permitted deviation within limits
In constructing or maintaining the scheduled works the authorised undertaker may—
a
deviate laterally from the lines or situations shown on the Parliamentary plans within the limits of deviation for that work shown on those plans; and
b
deviate vertically from the levels shown on the Parliamentary sections—
i
upwards by a maximum of 3 metres; and
ii
to any extent downwards.