Volume Two 13. Port Zone 13.4. Restricted Discretionary Activities Application must be made for a Restricted Discretionary Activity for the following: [C] 13.4.1. Construction and use of a building or structure (including the extension of an existing building or structure) and associated occupancy of the coastal marine area. Standards and terms: 13.4.1.1. The building or structure (or extension thereof) must be necessary for the operational requirements of the port. Matters over which the Council will exercise discretion: 13.4.1.2. Benefits likely to arise from use of the building or structure. 13.4.1.3. The design of the building or structure, including size and construction materials. 13.4.1.4. The visual appearance of the building or structure. 13.4.1.5. Effects on the surrounding hydrodynamic and geomorphic environment. 13.4.1.6. Environmental effects resulting from construction. 13.4.1.7. The location of the building or structure, including associated effects on public access to the coastal marine area. [D] 13.4.2. Commercial activity not otherwise provided for in the Port Zone. Matters over which the Council will exercise discretion: 13.4.2.1. The potential for reverse sensitivity effects on existing permitted activities within the Port Zone. 13.4.2.2. The extent to which the activity is an efficient use of the site given its location within the coastal environment. [C] 13.4.3. Disturbance of the foreshore and seabed associated with Rule 13.4.1, including the removal of sand, shell, shingle or other natural material, required as part of the construction and use of a building or structure that is necessary for the loading and unloading of ships associated with the operations of the port. Standard and terms: 13.4.3.1. No more than 50,000m 3of foreshore and seabed material must be disturbed by any person within a calendar year. 13.4.3.2. Material must not be deposited within the coastal marine area. 13.4.3.3. There must be no contaminants released from equipment being used for the activity. Matters over which the Council will exercise discretion: 13.4.3.4. Water clarity. 13.4.3.5. The quantity and nature of material to be disturbed or removed from the coastal marine area. 13.4.3.6. Effects on the surrounding hydrodynamic and geomorphic environment. 13 – 17