Co-operation
12.—(1) Where in consequence of the proposed construction of any of the authorised development, National Grid or the undertaker requires the removal of apparatus under paragraph 5(2) or National Grid makes requirements for the protection or alteration of apparatus under paragraph 7, the undertaker must use its reasonable endeavours to co-ordinate the execution of the works in the interests of safety and the efficient and economic execution of the authorised development and taking into account the need to ensure the safe and efficient operation of National Grid’s undertaking and National Grid must use its reasonable endeavours to co-operate with the undertaker for that purpose.
(2) For the avoidance of doubt whenever National Grid’s consent, agreement or approval to is required in relation to plans, documents or other information submitted by the undertaker or the taking of action by the undertaker, it must not be unreasonably withheld or delayed.