20.—(1) No part of the authorised development may commence, save for the permitted preliminary works, until a construction traffic management plan has been submitted to and, after consultation with Highways England and the highway authority, approved by the relevant planning authority.
(2) The plan submitted and approved must be in accordance with chapter 14 of the environmental statement and the framework construction traffic management plan contained in appendix 14A to the environmental statement.
(3) The plan submitted and approved must include—
(a)details of the routes to be used for the delivery of construction materials and any temporary signage to identify routes and promote their safe use, including details of the access points to the construction site to be used by light goods vehicles and heavy goods vehicles;
(b)details of the routing strategy and procedures for the notification and conveyance of abnormal indivisible loads, including agreed routes, the numbers of abnormal loads to be delivered by road and measures to mitigate traffic impact;
(c)the construction programme;
(d)details of the likely programme for the demolition of the existing coal-fired power station and, in the event that peak traffic numbers from each of that project and the construction of the authorised development are likely to coincide and give rise to potentially significant effects, details of measures within the undertaker's direct control, to ensure that significant effects arising from the combined traffic on local roads are where possible avoided, reduced or mitigated; and
(e)any necessary measures for the temporary protection of carriageway surfaces, the protection of statutory undertakers' plant and equipment, and any temporary removal of street furniture.
(4) Notices must be erected and maintained throughout the period of construction at every entrance to and exit from the construction site, indicating to drivers the approved routes for traffic entering and leaving the construction site.
(5) The plan must be implemented as approved unless otherwise agreed with the relevant planning authority.