Volume Two 3. Rural Environment Zone 3.2. Standards that apply to all permitted activities 3.2.1. Construction and siting of a building or structure except a temporary building or structure, an unmodified shipping container or an off-river dam (unless any Standards listed below are specified as Standards for those activities). 3.2.1.1. No more than one residential dwelling must be constructed or sited per Computer Register. 3.2.1.2. The maximum height of a building or structure must not exceed 10m. 3.2.1.3. Within the Omaka Valley Area, the maximum height of a building or structure must not exceed 7.5m. 3.2.1.4. On a site smaller than 4000m, no part of any building must exceed a height 2 equal to the recession plane angle determined by the application of the Recession Plane and Height Controls in Appendix 26. The recession plane angle must be measured from a starting point 2m above ground level. 3.2.1.5. No part of a building must exceed a height limit imposed by a line drawn at an angle of 55° from the horizontal and originating and drawn at right angles from a point 2m above the boundary of the site where it abuts the road. 3.2.1.6. A dwelling must not be sited closer than 150m to the outer bank of an oxidation pond, sewage treatment works or a site designated for such works. 3.2.1.7. A habitable structure or accessory building must have a fire safety setback of at least 100m from any existing commercial forestry or carbon sequestration forestry on any adjacent land under different ownership. 3.2.1.8. A building or structure must not be located within 90m of the designation boundary (or secured yard) of the National Grid Blenheim substation. 3.2.1.9. A building or structure must not be sited within 20m of a Riparian Natural Character Management Area. 3.2.1.10. A building must not be sited in, or within 8m of, a river, lake, Significant Wetland, drainage channel, Drainage Channel Network, the landward toe of any stopbank, or the sea. 3.2.1.11. Permanent buildings must not cover more than 15% of the net site area within a Computer Register. For the purposes of this Standard, the net site area does not include a greenhouse utilising the soils of the site. 3.2.1.12. For a site larger than 4000m 2 the following minimum setbacks must be , provided: (a) 8m for the front boundary; (b) 8m for the rear boundary; (c) 5m for a side boundary. 3.2.1.13. On land within the Limestone Coastline Outstanding Natural Feature and Landscape: (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 a 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. 3.2.1.14. On land within the Wairau Dry Hills Landscape: 3 – 5