any subsidence resulting from any of these works, 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 the authorised development) or property of RRRL, or  there is any interruption in any service provided, or in the supply of any goods, by RRRL, or  RRRL becomes liable to pay any amount to any third party, the undertaker will:–  (2) The fact that any act or thing may have been done by RRRL on behalf of the undertaker or in  accordance with a plan approved by RRRL or in accordance with any requirement of RRRL or  under its supervision will not (unless sub-paragraph (3) applies), excuse the undertaker from  liability under the provisions of this sub-paragraph (1) unless RRRL fails to carry out and execute  the works properly with due care and attention and in a skilful and workman like manner or in a  manner that does not accord with the approved plan or as otherwise agreed between the undertaker  and RRRL.  (3) Nothing in sub-paragraph (1) shall impose any liability on the undertaker in respect of:–  (4) RRRL must give the undertaker reasonable notice of any such third party claim or demand  and no settlement or compromise must, unless payment is required in connection with a statutory  compensation scheme, be made without first consulting the undertaker and considering their  representations.  (5) RRRL must use its reasonable endeavours to mitigate in whole or in part and to minimise  any costs, expenses, loss, demands, and penalties to which the indemnity under this paragraph 14  applies. If requested to do so by the undertaker, RRRL shall provide an explanation of how the  claim has been minimised. The undertaker shall only be liable under this paragraph 14 for claims  reasonably incurred by RRRL.  15. —(1) Subject to sub-paragraphs (2) and (3), if by reason or in consequence of any works  carried out by RRRL pursuant to this Part of this Schedule or in consequence of the use,  maintenance or failure of any part of the RRRL facility by or on behalf of RRRL or in  consequence of any act or default of RRRL (or any person employed or authorised by him) in the  course of carrying out such works, use or maintenance, including without limitation works carried  out by RRRL under this Part of this Schedule or any subsidence resulting from any of these works,  any damage is caused to any part of the authorised development or property of the undertaker, or  there is any interruption in any service provided, or in the supply of any goods, by the undertaker,  or the undertaker becomes liable to pay any amount to any third party, RRRL will:–  76 (a) bear and pay on demand the cost reasonably incurred by the undertaker in making good  such damage or restoring the supply; and  (b) indemnify the undertaker for any other expenses, loss, demands, proceedings, damages,  claims, penalty or costs incurred by or recovered from the undertaker, by reason or in  consequence of any such damage or interruption or the undertaker becoming liable to any  third party as aforesaid other than arising from any default of the undertaker.  (a) any damage or interruption to the extent that it is attributable to the neglect or default of  RRRL, its officers, servants, contractors or agents; and  (b) any part of the authorised development and/or any other works authorised by this Part of  this Schedule carried out by RRRL as an assignee, transferee or lessee of a person with  the benefit of the Order pursuant to section 156 of the Planning Act 2008 or article 8  (consent to transfer benefit of the Order) subject to the proviso that once such works  become apparatus, any part of the authorised development yet to be executed and not  falling within this sub-section 3(b) will be subject to the full terms of this Part of this  Schedule including this paragraph 14.  (a) bear and pay on demand the cost reasonably incurred by RRRL in making good such  damage or restoring the supply; and  (b) indemnify RRRL for any other expenses, loss, demands, proceedings, damages, claims,  penalty or costs incurred by or recovered from RRRL, by reason or in consequence of any  such damage or interruption or RRRL becoming liable to any third party as aforesaid  other than arising from any default of RRRL. 