113.—(1) Subject to the following provisions of this paragraph, the undertaker must repay to WWU the reasonable expenses incurred by WWU in, or in connection with, the inspection, removal, alteration or protection of any apparatus or the construction of any new apparatus (including: costs or compensation payable in connection with the acquisition of land for that purpose; and any reasonable legal or other professional costs properly incurred relating to any such works to apparatus, or to the provision of alternative apparatus) which may be required in consequence of the execution of any such works as are referred to in paragraph 110(2).
(2) If in accordance with the provisions of this Part of this Schedule WWU require that alternative apparatus of better type, of greater capacity or of greater dimensions, or at a greater depth is necessary in substitution for existing apparatus which for WWU’s requirements is over and above what is necessary as a consequence of and for the purpose of the authorised development WWU must deduct the cost of such additional requirements from the amount payable by the undertaker pursuant to sub-paragraph (1).
(3) For the purposes of sub–paragraph (2) an extension of apparatus to a length greater than the length of existing apparatus is not to be treated as a placing of apparatus of greater dimensions than those of the existing apparatus.
(4) For the avoidance of doubt and subject to paragraph 108, the provisions of sub-paragraph (1) require the undertaker to repay the full costs of any works carried out to WWU’s apparatus, or in order to protect that apparatus, or in consequence of any works carried out in the vicinity of that apparatus by the undertaker.