“electronic communications code network” means an electronic communications network  within the meaning of the Communications Act 2003 to which the electronic communications  code applies; and  “public utility undertakers” has the same meaning as in the 1980 Act ( a ).  Apparatus of statutory undertakers, etc, in stopped up streets  2. —(1) Where a street is stopped up under article 13 (stopping up of streets) any statutory utility  whose apparatus is under, in, upon, over, along or across the street has the same powers and rights  in respect of that apparatus, subject to the provision of this paragraph, as if this Order had not been  made.  (2) Where a street is stopped up under article 13 any statutory utility whose apparatus is under,  in, upon, over, along or across the street may where reasonably necessary for the efficient  operation of the undertaking of the statutory utility or, if reasonably requested to do so by the Authority, must—  (3) Subject to the following provisions of this paragraph, the Authority must pay to any statutory  utility an amount equal to the cost reasonably incurred by the statutory utility in or in connection  with—  (4) If in the course of the execution of relocation works under sub-paragraph (2)—  and the placing of apparatus of that type or capacity or of those dimensions or the placing of  apparatus at that depth, as the case may be, is not agreed by the Authority, or, in default of  agreement, is not determined by arbitration to be necessary, then, if it involves cost in the  execution of the relocation works exceeding that which would have been involved if the apparatus  placed had been of the existing type, capacity or dimensions, or at the existing depth, as the case  may be, the amount which apart from this paragraph would be payable to the statutory utility by  virtue of sub-paragraph (3) will be reduced by the amount of that excess.  (5) For the purposes of sub-paragraph (4)—  (6) An amount which apart from this sub-paragraph would be payable to a statutory utility in  respect of works by virtue of sub-paragraph (3) (and having regard, where relevant, to sub- paragraph (4)) must, if the works include the placing of apparatus provided in substitution for  64 (b) where the provision of a joint in a cable is agreed, or is determined to be necessary, the  consequential provision of a jointing chamber or of a manhole is to be treated as if it also  had been agreed or had been so determined.  (a) 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; and  (a) apparatus of better type, of greater capacity or of greater dimension is placed in  substitution for existing apparatus of worse type, of smaller capacity or of smaller  dimensions; or  (b) apparatus (whether existing apparatus or apparatus substituted for existing apparatus) is  placed at a depth greater than the depth at which the existing apparatus was,  (b) the doing of any other work or thing rendered necessary by the execution of relocation  works.  (a) the execution of relocation works required in consequence of the stopping up of the  street; and  (a) remove the apparatus and place it or other apparatus provided in substitution for it in such  other position as the utility may reasonably determine and have power to place it; or  (b) provide other apparatus in substitution for the existing apparatus and place it in that other  position.  ( a ) 1980 c. 66. 