Channel Tunnel Act 1987

7(1)Notwithstanding anything in paragraphs 5 and 6 above, if the appropriate authority give notice in writing to the undertakers that they desire themselves to carry out any part of so much of the work necessary in connection with the construction of the alternative apparatus, or the removal of the apparatus required to be removed, as will be situate in any lands held by the appropriate authority, such work, instead of being carried out by the undertakers, shall be carried out by the appropriate authority with all reasonable dispatch under the superintendence (if given) and to the reasonable satisfaction of the undertakers.U.K.

(2)Nothing in this paragraph shall authorise the appropriate authority to carry out the placing, erection, installation, bedding, packing, removal, connection or disconnection of any apparatus or to carry out any filling around the apparatus extending (where the apparatus is laid in a trench) within 300 millimetres above the apparatus.