12.—(1) Subject to sub-paragraph (3), no stage of the authorised development must commence until a LEMP, for that stage, in accordance with the outline landscape and ecological management plan, has been submitted to and approved by the relevant planning authority.
(2) The LEMP must include:
(a)an implementation timetable;
(b)measures for the protection of ancient woodland areas detailed within an arboricultural method statement and shown on a tree protection plan; and
(c)measures for the protection of existing features adjacent to the Works as detailed in the Environmental Statement.
(3) Each stage of the authorised development must be implemented in accordance with the approved LEMP for that stage.
(4) If any tree, hedge or shrub planted as part of the approved landscape and ecological management plan within a period of twenty five years after planting, is removed, dies or becomes in the opinion of the relevant planning authority seriously damaged or diseased, it must be replaced in the first available planting season with a specimen of the same species and size as originally planted unless a different species is otherwise approved by the relevant planning authority.
(5) Sub-paragraph (1) only applies to those stages of the authorised development in respect of which any landscape and ecological management measures are to be implemented by the undertaker, as identified in the outline LEMP.