4. Coastal Environment Zone Volume Two 4.3.4. Temporary building or structure, or unmodified shipping container. 4.3.4.1. For a temporary building or structure, or an unmodified shipping container, ancillary to a building or construction project the building, structure or container must not: (a) exceed 40m in area; 2 (b) remain on the site for longer than the duration of the project or 12 months, whichever is the lesser. 4.3.4.2. A temporary building or structure, or an unmodified shipping container, on site for a purpose other than those specified in Standard 4.3.4.1 (such as the storage of goods or materials, or a gala, market or public meeting) must not remain on site longer than 1 month. 4.3.4.3. A temporary building or structure, or unmodified shipping container, on site for a purpose other than those specified in Standard 4.3.4.1 must not be located between the front boundary and the dwelling, and must also comply with Standards 4.2.1.3 and 4.2.1.10. 4.3.5. Audible bird-scaring device. 4.3.5.1. A Category A or Category B device must not be operated: (a) between 8.00 pm and 7.00 am the following day if the device is within 2km of a noise sensitive activity; (b) within 800m of any rest home, public or private hospital; (c) within 160m of the boundary or notional boundary of the nearest dwelling, visitor accommodation or other habitable building on land in different ownership; (d) such that sound is emitted at a level greater than 65 dB LAE, measured at or within the boundary (Urban Residential 1, Urban Residential 2 (including Greenfields) or Urban Residential 3 Zones, and Coastal Living and Rural Living Zones) or notional boundary (Rural Environment or Coastal Environment Zones) of the nearest dwelling, visitor accommodation or other habitable building on land in different ownership; (e) closer than 250m to any other audible bird-scaring device. 4.3.5.2. A Category A device must not be operated: (a) within 100m of a public road; (b) at any greater frequency than 4 events in any period of one hour. An event is defined as 3 discharges within a 30 second period; (c) at a greater density than one device per five hectares of land in any single land holding, except where the land is less than five hectares in area, one device shall be permitted. 4.3.5.3. A Category B device must not be operated for any continuous period exceeding two seconds, or at a frequency greater than 10 times in any hour. 4.3.5.4. The device must only be operated where a crop is at risk from bird damage. 4.3.5.5. Noise must be measured in accordance with NZS 6801:2008 Acoustics – Measurement of Environmental Sound, and assessed in accordance with NZS 6802:2008 Acoustics – Environmental Noise. 4 – 8