30. Where in consequence of the proposed construction of any of the authorised works, Merseytravel or a specified undertaker requires the removal of apparatus under paragraph 8 or a specified undertaker makes requirements for the protection or alteration of apparatus under paragraph 25, Merseytravel 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 works and each specified undertaker shall use its best endeavours to co-operate with Merseytravel for that purpose.