The undertaker must, prior to the commencement of any works of external maintenance to the specified works, give National Highways 28 days’ notice in writing of the date on which those works will start unless otherwise agreed by National Highways, acting reasonably. Works of inspection or maintenance undertaken from within the pipeline will not be subject to this paragraph.

If, for the purposes of maintaining the specified works, the undertaker needs to occupy any road space, the undertaker must comply with National Highways’ road space booking requirements and no maintenance of the specified works for which a road space booking is required shall commence without a road space booking having first been secured.

The undertaker must comply with any reasonable requirements that National Highways may notify to the undertaker, such requirements to be notified to the undertaker not less than 14 days’ in advance of the planned commencement date of the maintenance works.