Paragraph 1 InterpretationI1

In this Part of this Schedule—

• “the CAA” means the Civil Aviation Authority constituted by the Civil Aviation Act 1982^f1;

• “commence” means beginning to carry out any material operation (as defined in section 155 of the Planning Act 2008) forming part of the authorised project other than operations consisting of site clearance, archaeological investigations, environmental surveys, investigations for the purpose of assessing ground conditions, remedial work in respect of any contamination or other adverse ground conditions and “commencement” shall be construed accordingly;

• “HAT” means highest astronomical tide;

• “LAT” means lowest astronomical tide;

• “mean high water springs level” or “MHWS” means the highest level which spring tides reach on average over a period of time;

• “notice to mariners” includes any notice to mariners which may be issued by the Admiralty, Trinity House, Queen’s harbourmasters, government departments and harbour and pilotage authorities;

• “the UK Hydrographic Office” means the UK Hydrographic Office of Admiralty Way, Taunton, Somerset, TA1 2DN or any replacement body or successor to its functions.