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Elements and Performance Criteria
Range Statement
Performance Evidence
The candidate must be assessed on their ability to integrate and apply the performance requirements of this unit in a workplace setting. Performance must be demonstrated consistently over time and in a suitable range of contexts.
The candidate must provide evidence for and demonstrate:confirming trees to be pruned and the desired outcomes for pruning works in accordance with client briefdetermining location of above-and-below-ground servicesundertaking a site-specific risk assessment by identifying work health and safety hazards and assessing riskidentifying and record tree species using botanical nomenclature and common namesverifying location of tree using fixed reference points of boundary lines, residential housing and fencesdetermining and document dimensions of tree recording the characteristics of the approximate height, canopy, spread and diameter-at-breast-height (DBH)recording and implementing work health, safety, site, environmental and traffic control measuresevaluating tree for pruning considering tree’s health, growth habit, structure, stability and growing environmentdetermining class, code, species application and clause of pruning required in accordance with current Australian Standard ‘pruning of amenity trees’determining compensatory tree care required to offset losses arising from pruning of live tissuedetermining requirement to meet biosecurity regulations for transmission of diseases by pruning equipment and materialsverifying smallest diameter of dead branches to be removed.determining maximum and average diameter of live branches to be prunedverifying for crown thinning operations: maximum diameter of branches; and total percentage of total crown foliage permitted to be cutverifying for selective pruning operations: identity and locations of specific branches to be cutverifying for formative pruning operations: identify and locations of specific branchverifying for reduction pruning operations: an extent of pruning best described as a percentage, and the approximate dimensions and precise nodesverifying for crown lifting operations: maximum diameter & location + maximum height (or minimum height)verifying for pollarding: dimensions of permanent structureverifying for remedial and restorative pruning: any key reference points in the tree and any key measurement and any objectivesverifying for line clearance: minimum clearance distancesverifying branch location and identity by identification process starting with closest branch to ground labelled as branch number onereadying branch pattern from the ground up, select branch required and label branch with number in sequential orderdetermining and document direction of branch growth by selecting north, south, east, or west and label branchestimating and document height of branch attachment from grounddescribing structural order of branches: first order - directly off the trunk; second order - immediately off first order; third order etc.verifying approximation of branch collar diameter at location of pruning pointusing photographs to verify and confirm location of pruning cutsrecording information on pro-forma documentsconfirming written pruning specificationsclarifying the terminology used and extent of works with the clientdocumenting a written record of contract for the client as requiredproviding completed written specification to client and work crewassessing pruning work performed against anticipated outcomes and record anomaliesseeking feedback from client on work performedseeking feedback from work crew on clarity of specificationsrecording areas of improvement for future use in specificationssigning off on specified work and completing required recordsuse of industry standard terminology to describe pruning specificationsawareness of work health and safety in the context of own work.
Knowledge Evidence
The candidate must demonstrate knowledge of:
site-specific risk assessmenttree species using botanical nomenclature and common namesfixed reference pointsdimensions of treecharacteristics of the approximate height, canopy, spread and diameter-at-breast-height (DBH)tree’s health, growth habit, structure, stability and growing environmenttree age class, code, species application and clause of pruning required in accordance with current Australian Standard ‘Pruning of amenity trees’compensatory tree carelosses arising from pruning of live tissuebiosecurity regulationstransmission of diseases by pruning equipment and materialsspecification for crown thinning operationsspecification for selective pruning operationsspecification for formative pruning operationsspecification for reduction pruning operationsspecification for crown lifting operationsspecification for pollardingmaximum and average diameter of live branchestotal crown foliageidentity and locations of specific branchesextent of pruning best described as a percentageapproximate dimensions and precise nodesmaximum height (or minimum height)dimensions of permanent structurespecification for remedial and restorative pruningspecification for line clearance specification for branch location and identity by identification processkey reference points in the treeminimum clearance distancesbranch patternsequential orderdirection of branch growth by selecting north, south, east, or westapproximation of branch collar diameterlocation of pruning pointpro-forma documentspruning specificationsterminologywritten record of contractspecificationsanticipated outcomesanomaliesspecified work.