8.—(1) Except for Work No. 5, no part of the authorised development is to commence within the World Heritage Site or as part of Work No. 4 until a landscaping scheme applicable to all of the authorised development which is situated within the World Heritage Site (except for Work No.5) and Work No.4 has been submitted to and approved in writing by the Secretary of State, following consultation with the planning authority, Historic England and (on matters related to its functions) the National Trust.
(2) No part of the authorised development which—
(a)is situated outside of the World Heritage Site and does not form part of Work No.4; or
(b)comprises Work No. 5,
is to commence until a landscaping scheme applicable to that part has been submitted to and approved in writing by the Secretary of State, following consultation with the planning authority and (on matters related to its functions) Historic England and, in respect of Work No. 5 only (on matters related to its functions), the National Trust.
(3) Each landscaping scheme must be based on the mitigation measures included in the environmental statement and set out details of all proposed hard and soft landscaping works, including—
(a)location, number, species, size and planting density of any proposed aquatic or terrestrial planting;
(b)landscaping works associated with any fences and walls (as appropriate);
(c)cultivation, importing of materials and other operations to ensure plant establishment;
(d)proposed finished ground levels;
(e)hard surfacing materials;
(f)details of existing trees to be retained, with measures for their protection during the construction period;
(g)implementation timetable for the landscaping works;
(h)measures for the replacement, in the first available planting season, of any tree or shrub planted as part of the landscaping scheme that, within a period of 5 years after the completion of the part of the authorised development to which the relevant landscaping scheme relates, dies, becomes seriously diseased or is seriously damaged in the construction of the authorised development; and
(i)retained historic landscape features and proposals for restoration, where relevant.
(4) All landscaping works must be carried out in accordance with the relevant approved landscaping scheme and carried out to a reasonable standard in accordance with the relevant recommendations in appropriate British Standards or other recognised codes of good practice.