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Elements and Performance Criteria

1. Identify tree measuring requirements
   • Interpret and check work order, as required with appropriate personnel
   • Select tools appropriate to work requirements and check for operational effectiveness in line with manufacturer recommendations
   • Establish and maintain communication with colleagues and others in line with WHS requirements..
2. Measure and record tree measurements and abnormalities
   • Undertake work by using established safe operating practices in line with site procedures and environmental requirements
   • Select, use and maintain suitable personal protective equipment and clothing
   • Identify site environmental concerns in line with relevant regulations and workplace requirements
   • Identify from the work order the forest area to be worked within and locate on the ground
   • Obtain, check and record accurately tree measurements in the appropriate style and format in line with organisational and environmental requirements
   • Identify, assess and record tree abnormalities in line with workplace procedures.

Range Statement

Not Applicable

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Performance Evidence

A person demonstrating competency in this unit must satisfy all of the elements, performance criteria and foundation skills of this unit. If a specific volume or frequency is not stated below, then evidence must be provided that the following requirements have been performed on at least one occasion:

on native or plantation trees, carry out tree measuring procedures without causing damage to tree, environment, equipment or personnel and including:

calculating stand height in line with sampling technique

measuring log volume and length

diameter and girth (over or under bark at breast height or ground level)

classifying stem form or crown class

identify and follow applicable commonwealth, state or territory legislative and regulatory requirements and codes of practice relevant to measuring trees

identify tree form and abnormalities, including:

butt swell

double leaders

heavy branching

ramicorns

use and maintain appropriate measuring tools including:

diameter tapes

length tapes

optical wedges

clinometers

locate forest or plot area from map or plan

communicate effectively and work safely with others

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Knowledge Evidence

A person competent in this unit must be able to demonstrate knowledge of:

tree measuring techniques, including relevant mathematical calculations and basic trigonometry including:

tolerances, allowances, calibration requirements and special procedures

tree diameter and girth (over or under bark at breast height or ground level)

tree height

log length

organisational and site standards, requirements, policies and procedures for measuring trees

environmental risks and hazards

species and characteristics of vegetation to be measured, including plantation and native forest trees

tree abnormalities including:

butt swell

double leaders

heavy branching

ramicorns

types of measuring tools, and procedures for their safe use and maintenance, including:

diameter tapes

length tapes

optical wedges

clinometers

established communication channels and protocols

problem identification and resolution strategies, and common fault finding techniques

procedures for recording and reporting workplace information

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