Seeks qualification of drug and alcohol status at the discretion of NZ Arb. Seeks to ensure that participants, paid employees and volunteers are able to compete in a fair, safe and equitable manner during all NZ Arb competition, event and workplace.
Seeks to protect the health and welfare of participants, paid employees and volunteers NZ Arb aims to eliminate the use of prohibited drugs and alcohol from NZ Arb competitions, events and workplaces and respond appropriately to any violations.Ĭondemns the use of prohibited drugs and alcohol during any NZ Arb competition, event and workplace, unless alcohol is provided with the permission of NZ Arb No works should take place within the SRZĪmerican National Standard: ANSI A300 (Part 7)-2012: Integrated Vegetation Management The Structural Root Zone (SRZ) which is a circle taken from the centre of the trunk with a radius equal to 3.31 times the diameter of the trunk measured just above the above the root buttress. An incursion of any more than 10% of the area of the TPZ is considered a ‘major incursion'
The Tree Protection Zone (TPZ) which is a is a circle taken from the centre of the trunk with a radius equal to 12 times the diameter of the trunk measured at 1.4m (DBH) above ground level. NZ Arb also supports and recommends the following international tree protection zones as: RecommendationsĪmerican National Standard: ANSI A300 (Part 5)-2012: Management of Trees and Shrubs During Site Planning, Site Development, and Construction Tree Care on construction/development sites:Īustralian Standard: AS 4970 - 2009 Protection of Trees on Development Sitesīritish Standard: BS 5837:2012 Trees in relation to design, demolition and construction. RecommendationsĪmerican National Standard: ANSI A300 (Part 1)-2017: Pruning In the absence of NZ specific standards, The New Zealand Arboricultural Association supports and recommends the use of the following applicable international standards.Īustralian Standard: AS 4373 - 2007 Pruning of amenity treesīritish Standard: BS 3998: 2010 Tree work. NZ Arb would like to thank all of those who had input into these draft documents and those involved in the review process, in particular, Gavin Donaldson, Rob Graham, Tim Errington and the members of the Auckland Regional Consents Arborist Forum. These guidelines are being contextualised for NZ conditions and regulations. The three following Guideline documents produced by NZ Arb are currently under review Trees on Development Sites, Tree Protection Fencing, Amenity Tree Pruning Guide.
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