88. Irrespective of any provision in this Order or anything shown on the land plans—
(a)the undertaker must not acquire any apparatus or obstruct or render less convenient the access to any apparatus, otherwise than by agreement with CLH; and
(b)any right of CLH to maintain, repair, renew, adjust, alter or inspect any apparatus must not be extinguished by the undertaker until any necessary alternative apparatus has been constructed and is in operation to the reasonable satisfaction of CLH.