15. Marina Zone Volume Two 15.2.2. Disturbance of the foreshore or seabed. 15.2.2.1. All adverse effects arising from disturbance of the foreshore or seabed must be able to be remedied by natural processes within 7 days of the disturbance. 15.2.2.2. The disturbance must be undertaken in a manner which minimises water turbidity. 15.2.2.3. The disturbance must not adversely affect navigational safety. 15.2.2.4. There must be no contaminants released from equipment being used for the activity. 15.2.2.5. All equipment must be removed from the coastal marine area on completion of the operation. 15.2.3. Noise. 15.2.3.1. An activity must be conducted to ensure that noise when measured at the boundary of, or within, the Zone does not exceed the following limits: 7.00 am to 10.00 pm 60 dBA L Aeq 10.00 pm to 7.00 am 40 dBA L Aeq 70dBL AFmax 15.2.3.2. An activity undertaken within the Marina Zone must be conducted to ensure that noise when measured within an Urban Residential 2 or Open Space 1 Zone does not exceed the following limits: 7.00 am to 10.00 pm 50 dBA L Aeq 10.00 pm to 7.00 am 40 BA L Aeq 70dBL AFmax 15.2.3.3. The following activities are excluded from having to comply with the noise limits: (a) noise generated by a navigational aid, safety signal, warning device, or emergency pressure relief valve; (b) noise generated by emergency work arising from the need to protect life or limb or prevent loss or serious damage to property or minimise or prevent environmental damage; (c) noise generated by a ship under way. 15.2.3.4. 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. 15.2.3.5. Construction noise must not exceed the recommended limits in, and must be measured and assessed in accordance with NZS 6803:1999 Acoustics – Construction Noise. 15.2.4. Use of external lighting. 15.2.4.1. Light spill onto any land zoned Urban Residential 2 must not exceed 2.5 Lux spill (horizontal and vertical). 15.2.4.2. Light spill onto any adjoining zone, except Urban Residential 2 Zone, must not exceed 10 Lux spill (horizontal and vertical). 15.2.4.3. All exterior lighting (except street lights) must be directed away from any land zoned other than Marina Zone and any road. 15 – 4