Paragraph 65 Co-operationI1

Where in consequence of the proposed construction of any of the authorised works, the undertaker makes requirements for the protection or alteration of apparatus under paragraphs 62(5) or 62(7), the promoter shall use its best 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, efficient and economic operation of the undertaker’s apparatus and the undertaker shall use its best endeavours to co-operate with the promoter for that purpose.

For the avoidance of doubt whenever the undertaker’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.