19.—(1) The authorised development must not commence until the compensation environmental management and monitoring plan reflecting the survey results and ecological mitigation and enhancement measures included in the environmental statement, has been submitted to and approved by Natural England after consultation with the Environment Agency and the relevant planning authority.
(2) The authorised development must not commence until a marine environmental management and monitoring plan, reflecting the survey results and ecological mitigation and enhancement measures included in the environmental statement, has been submitted to and approved by the MMO after consultation with the Environment Agency, Natural England and the relevant planning authority.
(3) The authorised development must not commence until a terrestrial environmental management and monitoring plan, reflecting the survey results and ecological mitigation and enhancement measures included in the environmental statement, has been submitted to and approved by Natural England after consultation with the Environment Agency and the relevant planning authority.
20. The compensation environmental management and monitoring plan, marine environmental management and monitoring plan and terrestrial environmental management and monitoring plan must require any further surveys deemed necessary to be carried out and include an implementation timetable; the plans must be carried out as approved.
21.—(1) The undertaker must not commence construction of the quay (Work No. 1) less than 7 months after commencing construction of the compensation site referred to in paragraph 4(a) of Schedule 1 (authorised development)).
(2) The undertaker must use all reasonable endeavours to create the Cherry Cobb Sands breach no more than 15 months after commencing construction of the quay (Work No. 1).