17. Open Space 1 Zone Volume Two Residential 2 (including Greenfields), Urban Residential 3, Rural Environment or Coastal Environment. 17.2.1.2. A building or structure (except a bridge) must not be constructed or sited closer than 8m to a river, lake, drainage channel, Drainage Channel Network, landward toe of stopbank or the sea. 17.2.1.3. The height of a fence or, any part of a fence, on a boundary to any land zoned Urban Residential 1, Urban Residential 2 (including Greenfields) or Urban Residential 3 must not exceed 1.2m. 17.2.1.4. The maximum height of a building or structure must not exceed 7.5m. 17.2.1.5. A building or structure in which human effluent will be created must connect to, and dispose of its effluent into, a Council operated sewerage system designed for that purpose, if the system is within 30m of the property boundary or 60m of the closest building. 17.2.1.6. A building or structure must not be sited within a Flood Hazard Area. 17.2.2. Noise. 17.2.2.1. An activity must not cause noise that exceeds the following limits at the zone boundary or within the zone: 7.00 am to 10.00 pm 50 dBA L Aeq 10.00 pm to 7.00 am 40 dBA L Aeq 70dBL AFmax 17.2.2.2. Noise must be measured in accordance with the provisions of NZS 6801:2008 – Measurement of Environmental Sound, and assessed on accordance with NZS 6802:2008 – Environmental Noise. 17.2.2.3. Construction noise must not exceed the recommended limits in, and must be measured and assessed in accordance with, NZS 6803:1999 Acoustics – Construction Noise. 17.2.3. Outdoor lighting. 17.2.3.1. The maximum height of any poles, support structures or fixtures associated with artificial lighting must not exceed of 20m. 17.2.3.2. The lighting level at any point on the ground 2m inside the boundary of the Zone must not exceed 10 lux (lumens per square metre) measured horizontally and vertically. 17.2.3.3. There must be no greater than 2.5 lux spill (horizontal and vertical) of light onto any property zoned Urban Residential 1, Urban Residential 2 (including Greenfields) or Urban Residential 3, measured at any point more than 2m inside the boundary of the property. 17.2.4. Odour. 17.2.4.1. The odour must not be objectionable or offensive, as detected at or beyond the legal boundary of the area of land on which the permitted activity is occurring. 17.2.5. Smoke. 17.2.5.1. The smoke must not be objectionable or offensive, as detected at or beyond the legal boundary of the area of land on which the permitted activity is occurring. 17.2.6. Dust. 17.2.6.1. The best practicable method must be adopted to avoid dust beyond the legal boundary of the area of land on which the activity is occurring. 17 – 2