15(1)This paragraph applies where damage to any highway or property of the highway authority on or under any highway is caused by, or results from—
(a)the construction of any work authorised by this Act, or
(b)any act or omission of the nominated undertaker, its contractors, agents or employees whilst engaged upon such work.
(2)In the case of damage to a highway, the nominated undertaker may make good such damage to the reasonable satisfaction of the highway authority.
(3)The nominated undertaker must pay compensation to the highway authority—
(a)in a case where the nominated undertaker does not make good such damage to a highway;
(b)in the case of damage to property of the highway authority.