Volume Two 3. Rural Environment Zone (a) except for a building or structure with a total area of 10m or less, a 2 building platform must be located at least 20m vertically below any Significant Ridgeline; (b) any paint applied to the exterior cladding of a building or structure must have a light reflectance value of 45% or less. 3.2.1.15. A building or structure that has the potential to divert water must not be within a Level 2 Flood Hazard Area. 3.2.1.16. A building or structure must not be within a Level 3 Flood Hazard Area. 3.2.1.17. Under the National Grid Conductors (wires) within the National Grid Yard the following apply: (a) a fence must not exceed 2.5m in height; (b) a building or structure must be uninhabitable and used for farming or horticulture but must not be used as a dairy shed, intensive farming building or commercial greenhouse; (c) a building alteration or addition must be contained within the original building height and footprint; (d) a building or structure must have a minimum vertical clearance of 10m below the lowest point of the conductor associated with the National Grid line or otherwise comply with NZECP34:2001. 3.2.1.18. Around National Grid Support Structures within the National Grid Yard the following apply: (a) a fence must not exceed 2.5m in height and must not be closer than 5m from a National Grid Support Structure; (b) a building or structure must not be closer than 12m to a National Grid Support Structure. 3.2.2. Airport protection. 3.2.2.1. A structure (such as a building, mast, pole, fence, overhead telegraph cable, overhead power cable, tree or other object must not penetrate a flight path, take off, climb/approach fan or transitional slide slope described in Section A of Appendix 14 and identified in Appendix 15. 3.2.2.2. All exterior lighting on properties adjoining Woodbourne Airport must be directed away from the airport so as to avoid any adverse glare effects. 3.2.2.3. A new road must not be constructed where a take-off, climb/approach fan or transitional slide slope described in Section A of Appendix 14 and identified in Appendix 15 would pass at a lower height than 4.67m vertically above the road. 3.2.3. Noise. 3.2.3.1. 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 65 dBA L Aeq 10.00 pm to 7.00 am 65 dBA L Aeq 75dBL AFmax 3.2.3.2. An activity undertaken within the Rural Environment Zone must be conducted to ensure that noise arising at or within the boundary of any land zoned Urban Residential 1, Urban Residential 2 (including Greenfields), 3 – 6