6. Urban Residential 3 Zone Volume Two [R] 6.1.13. Discharge of contaminants to air outside of the Blenheim Airshed from the burning of solid fuel in any indoor open fire. [R] 6.1.14. Discharge of contaminants to air outside of the Blenheim Airshed from the burning of solid fuel in any small scale solid fuel burning appliance, except an enclosed pellet burner. [R] 6.1.15. Discharge of contaminants to air outside of the Blenheim Airshed from the burning of solid fuel in an enclosed pellet burner. [R] 6.1.16. Discharge of contaminants to air within the Blenheim Airshed from the burning of solid fuel in a small scale solid fuel burning appliance that is 15 years of age or older (except a pellet burner). [R] 6.1.17. Discharge of contaminants to air within the Blenheim Airshed from the burning of solid fuel in a small scale solid fuel burning appliance that is up to 15 years of age (except a pellet burner), or an enclosed pellet burner of any age installed prior to 9 June 2016. [R] 6.1.18. Discharge of contaminants to air within the Blenheim Airshed from the burning of solid fuel in any small scale solid fuel burning appliance installed after 9 June 2016. [D] 6.1.19. Grazing of livestock for maintenance of undeveloped land. 6.2. Standards that apply to all permitted activities 6.2.1. Construction and siting of a building or structure except a temporary building or structure, or an unmodified shipping container (unless any Standards listed below are specified as Standards for those activities). 6.2.1.1. No more than one residential dwelling must be construction or sited per Computer Register. 6.2.1.2. Permanent buildings must not cover more than 30% of the net site area. 6.2.1.3. The maximum height a building or structure must not exceed 10m. 6.2.1.4. No part of a building must exceed a height 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 at the property boundary. 6.2.1.5. Any part of a wall of a dwelling must be setback a minimum of 1m from the property boundary. 6.2.1.6. Height recession and boundary setbacks do not apply where a building shares a party wall. 6.2.1.7. The outdoor amenity area for the dwelling must: (a) not be orientated to the south of the dwelling; 6 – 2