following consultation with the relevant planning authority on matters related to its function and the Environment Agency. 

(3) Remediation must be carried out in accordance with the approved scheme. 

## Protected species 

7. —(1) In the event that any protected species which are not previously identified in the environmental statement or nesting birds are found at any time when carrying out the authorised development the undertaker must cease construction works and report it immediately to the Ecological Clerk of Works. 

(2) The undertaker must prepare a written scheme for the protection and mitigation measures for any protected species that were not previously identified in the environmental statement or nesting birds when carrying out the authorised development. Where nesting birds are identified works should cease within 10 metres of the nest until birds have fledged and the nest is no longer in use. 

(3) The undertaker must implement the written scheme prepared under sub-paragraph (2) immediately and construction in the area specified in the written scheme must not recommence until any necessary licences are obtained to enable mitigation measures to be implemented. 

(4) Prior to demolition of Skippool Bridge the undertaker must carry out an endoscope survey of the features on the bridge which have the potential to be used by bats. If the results of the survey show that bats are present and a protected species licence is required, no further work shall be undertaken to the bridge until a written scheme of investigation and mitigation has been prepared. 

(5) The undertaker must implement the written scheme prepared under sub-paragraph (4) immediately and construction in the area specified in the written scheme must not recommence until any necessary licences are obtained to enable mitigation measures to be implemented. 

(6) The undertaker must implement the Bird Mitigation Strategy prepared under requirement 4(2)(d)(i) at all times during construction of the authorised development unless otherwise agreed in writing by the Secretary of State following consultation with Natural England. 

## Surface and foul water drainage 

8. —(1) No part of the authorised development is to commence until for that part written details of the surface and foul water drainage system, reflecting the mitigation measures set out in the REAC including means of pollution control, have been submitted and approved in writing by the Secretary of State following consultation with the lead local flood authority on matters related to its function. 

(2) The surface and foul water drainage system must be constructed in accordance with the approved details, unless otherwise agreed in writing by the Secretary of State following consultation with the lead local flood authority on matters related to its function, provided that the Secretary of State is satisfied that any amendments to the approved details would not give rise to any materially new or materially different environmental effects in comparison with those reported in the environmental statement. 

## Archaeological remains 

9. —(1) No part of the authorised development is to commence until for that part a written scheme for the investigation of areas of archaeological interest, reflecting the relevant mitigation measures set out in the Archaeology Mitigation Strategy and draft Written Scheme of Investigation, has been submitted to and approved in writing by the Secretary of State, following consultation with the relevant planning authority on matters related to its function. 

(2) The authorised development must be carried out in accordance with the scheme referred to in sub-paragraph (1). 

(3) A copy of any analysis, reporting, publication or archiving required as part of the written scheme referred to in sub-paragraph (1) must be deposited with the Historic Environment Record of the relevant planning authority within one year of the date of completion of the authorised 

