11.—(1) Subject to sub-paragraphs (2) and (3), if by reason or in consequence of the construction of any such works referred to in paragraphs 5 or 7(2), any damage is caused to any apparatus or alternative apparatus (other than apparatus the repair of which is not reasonably necessary in view of its intended removal for the purposes of those works) or property of an undertaker, or there is any interruption in any service provided, or in the supply of any goods, by any undertaker, the Secretary of State must—
(a)bear and pay the cost reasonably incurred by that undertaker in making good such damage or restoring the supply; and
(b)make reasonable compensation to that undertaker for any other expenses, loss, damages, penalty or costs incurred by the undertaker,
by reason or in consequence of any such damage or interruption.
(2) The fact that any act or thing may have been done by an undertaker on behalf of the Secretary of State or in accordance with a plan approved by an undertaker or in accordance with any requirement of an undertaker or under its supervision must not, subject to sub-paragraph (3), excuse the Secretary of State from liability under the provisions of sub-paragraph (1).
(3) Nothing in sub-paragraph (1) imposes any liability on the Secretary of State with respect to any damage or interruption to the extent that it is attributable to the act, neglect or default of an undertaker, its officers, servants, contractors or agents.
(4) An undertaker must give the Secretary of State reasonable notice of any such claim or demand and no settlement or compromise is to be made without the consent of the Secretary of State who, if such consent is withheld, has the sole conduct of any settlement or compromise or of any proceedings necessary to resist the claim or demand.