6.—(1) The following provisions of this paragraph apply where an electricity licence holder, government department, public telecommunications operator or other person (not being a licence holder) requires to carry out any works in a street for laying down or constructing any electrical plant or electric lines or any telecommunications apparatus or other apparatus near to any gas apparatus of a licence holder.
(2) Where the electricity licence holder, government department, public telecommunications operator or other person finds it necessary to undermine but not alter the position of any gas apparatus he or it shall temporarily support the apparatus in position during the execution of the works, and before completion provide a suitable and proper foundation for it where so undermined.
(3) Where the electricity licence holder, government department, public telecommunications operator or other person lays any electric line crossing or liable to touch any gas apparatus belonging to the licence holder, the conducting portion of the electric line shall be effectively insulated in a manner approved by the Department, and the electricity licence holder, government department, public telecommunications operator or other person shall not, except with the consent of the licence holder and the Department—
(a)lay the electric lines so as to come into contact with the gas apparatus; or
(b)use the gas apparatus in connection with the supply of electricity.
(4) Any question arising under this paragraph shall, in default of agreement, be determined by arbitration.