Paragraph 21 Co-operationI1

Where in consequence of the proposed construction of any of the authorised works, the undertaker or National Grid requires the removal of apparatus under paragraph 14(2) or National Grid makes requirements for the protection or alteration of apparatus under paragraph 17, the undertaker must 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 National Grid must use its best endeavours to co-operate with the undertaker for that purpose.

Whenever National Grid’s consent, agreement or approval to is required in relation to plans, documents or other information submitted by National Grid or the taking of action by National Grid, it must not be unreasonably withheld or delayed.