If for any reason or in consequence of the construction or operation of the authorised development any damage is caused to any 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 Centrica or to the access road, the relevant undertaker must bear and pay the cost reasonably incurred by Centrica in making good any damage by reason or in consequence of any such damage, provided that the maximum liability of the relevant undertaker or the maximum liability of the relevant undertakers (in aggregate) is limited to £50,000,000 per claim or series of claims arising from 1 event.