PART 4  SUPPLEMENTAL POWERS  PART 5  POWERS OF ACQUISITION AND POSSESSION  PART 6  OPERATIONS  PART 7  MISCELLANEOUS AND GENERAL  SCHEDULES  SCHEDULE 1 — AUTHORISED DEVELOPMENT  2 17.  Discharge of water  18.  Protective work to buildings  19.  Authority to survey and investigate the land  20.  Compulsory acquisition of land  21.  Compulsory acquisition of land – incorporation of the mineral code  22.  Time limit for exercise of authority to acquire land compulsorily  23.  Compulsory acquisition of rights and restrictive covenants  24.  Private rights over land  25.  Modification of Part 1 of the 1965 Act  27.  Acquisition of subsoil or airspace only  26.  Application of the 1981 Act  28.  Rights under or over streets  30.  Temporary use of land for maintaining the authorised development  29.  Temporary use of land for carrying out the authorised development  31.  Statutory undertakers  32.  Apparatus and rights of statutory undertakers in stopped up streets  33.  Recovery of costs of new connections  34.  Felling or lopping of trees and removal of hedgerows  35.  Deemed Marine Licence  36.  Application of landlord and tenant law  38.  Operational land for purposes of the 1990 Act  37.  Trees subject to tree preservation orders  39.  Defence to proceedings in respect of statutory nuisance  40.  Protection of interests  42.  Service of notices  41.  Certification of documents, etc.  43.  Arbitration  44.  Crown rights 