The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, range statement and the Assessment Guidelines for the Training Package.

Overview of assessment

This unit of competency could be assessed in the workplace or a close simulation of the workplace environment, provided that simulated or project-based assessment techniques fully replicate construction workplace conditions, materials, activities, responsibilities and procedures.

Critical aspects for assessment and evidence required to demonstrate competency in this unit

A person who demonstrates competency in this unit must be able to provide evidence of the ability to:

locate, interpret and apply relevant information, standards and specifications

comply with site safety plan and OHS legislation, regulations and codes of practice applicable to workplace operations

comply with organisational policies and procedures including quality requirements

safely and effectively operate and use tools, plant and equipment

communicate and work effectively and safely with others

as a minimum, given a site demolition plan and instructions, using an excavator and selected attachments, knock down a single storey building, relocating salvage on site for later removal and disposal of debris and waste, ensuring:

correct identification of requirement and conduct of the demolition

correct selection and use of appropriate processes, plant and equipment

completing all work to specification

compliance with regulations, standards and organisational quality procedures and processes.

Context of and specific resources for assessment

This competency is to be assessed using standard and authorised work practices, safety requirements and environmental constraints.

Assessment of essential underpinning knowledge will usually be conducted in an off-site context.

Assessment is to comply with relevant regulatory or Australian standards' requirements.

Resource implications for assessment include:

an induction procedure and requirement

realistic tasks or simulated tasks covering the mandatory task requirements

relevant specifications and work instructions

tools and equipment appropriate to applying safe work practices

support materials appropriate to activity

workplace instructions relating to safe work practices and addressing hazards and emergencies

material safety data sheets

research resources, including industry related systems information.

Reasonable adjustments for people with disabilities must be made to assessment processes where required. This could include access to modified equipment and other physical resources, and the provision of appropriate assessment support.

Method of assessment

Assessment methods must:

satisfy the endorsed Assessment Guidelines of the Construction, Plumbing and Services Training Package

include direct observation of tasks in real or simulated work conditions, with questioning to confirm the ability to consistently identify and correctly interpret the essential underpinning knowledge required for practical application

reinforce the integration of employability skills with workplace tasks and job roles

confirm that competency is verified and able to be transferred to other circumstances and environments.

Validity and sufficiency of evidence requires that:

competency will need to be demonstrated over a period of time reflecting the scope of the role and the practical requirements of the workplace

where the assessment is part of a structured learning experience the evidence collected must relate to a number of performances assessed at different points in time and separated by further learning and practice, with a decision on competency only taken at the point when the assessor has complete confidence in the person's demonstrated ability and applied knowledge

all assessment that is part of a structured learning experience must include a combination of direct, indirect and supplementary evidence.

Assessment processes and techniques should as far as is practical take into account the language, literacy and numeracy capacity of the candidate in relation to the competency being assessed.

Supplementary evidence of competency may be obtained from relevant authenticated documentation from third parties, such as existing supervisors, team leaders or specialist training staff.

Required skills

Required skills for this unit are:

communication skills to:

determine requirements

enable clear and direct communication, using questioning to identify and confirm requirements, share information, listen and understand

follow instructions

read and interpret:

documentation from a variety of sources

drawings and specifications

report faults

use language and concepts appropriate to cultural differences

use and interpret non-verbal communication, such as hand signals

evaluating own actions and making judgments about performance and necessary improvements

identifying and accurately reporting to appropriate personnel any faults in tools, equipment or materials

organisational skills, including the ability to plan and set out work

recognising procedures, following instructions, responding to change and contributing to workplace responsibilities, such as current work site environmental and sustainability frameworks or management systems

teamwork skills to coordinate own work with others to action tasks and relate to people from a range of cultural and ethnic backgrounds and with varying physical and mental abilities

technological skills to:

use a range of mobile technology, such as two-way radio and mobile phones

voice and hand signals to access and understand site-specific instructions.

Required knowledge

Required knowledge for this unit is:

general construction terminology

hazards associated with the conduct of mechanical demolition tasks

job safety analysis (JSA) and safe work method statements

material safety data sheets (MSDS)

materials storage and environmentally friendly waste management

measurement and calculation

method of operation and maintenance requirements of demolition plant and equipment

plans, drawings and specifications

quality requirements

techniques associated with the conduct of mechanical demolition processes

types, characteristics, uses and limitations of plant and equipment involved in the conduct of mechanical demolition processes

workplace and equipment safety requirements.

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.

Information includes:

diagrams or sketches

instructions issued by authorised organisational or external personnel

manufacturer specifications and instructions, where specified

MSDS

memos

regulatory and legislative requirements pertaining to the conduct of mechanical demolition processes

relevant Australian standards

safe work procedures relating to the conduct of mechanical demolition processes

signage

verbal, written and graphical instructions

work bulletins

work schedules, plans and specifications.

Planning and preparation include:

assessment of conditions and hazards

determination of work requirements and safety plans and policies

equipment defect identification

work site inspection.

Safety (OHS) is to be in accordance with state and territory legislation and regulations and project safety plan and may include:

emergency procedures, including extinguishing fires, organisational first aid requirements and evacuation

handling activities that may require the assistance of others or the use of manual or mechanical lifting devices where size, weight or other issues, such as a disability are a factor

hazard control

hazardous materials and substances, including asbestos, lead-based paints, dust, pesticide residue, animal residue and the safe handling or quarantining procedures for each

organisational first aid

PPE prescribed under legislation, regulations and workplace policies and practices

safe operating procedures, including the conduct of operational risk assessment and treatments associated with:

earth leakage boxes

falling objects

lighting

plant movement

power cables, including overhead service trays, cables and conduits

restricted access barriers

surrounding structures

traffic control

trip hazards

work site visitors and the public

working at heights

working in confined spaces

working in proximity to others

use of tools and equipment

workplace environmental requirements and safety.

Plant:

may be fitted with:

buckets, including 4 in 1 buckets

grabs

pulverisers

rippers

rock breakers

shears

may include:

vibrating plates.

Tools and equipment include:

angle grinders

barricades

bars (crow and pinch)

bolt cutters

brooms

compressors

concrete saws

electric testers

picks and mattocks

pneumatic picks and rock breakers

power drills and saws

quick cut saws

shovels and spades

signs

sledge hammers

wheelbarrows.

Environmental requirements include:

clean-up management

dust and noise

sedimentation control

vibration

waste management.

Audit:

is in accordance with:

site demolition plan, which documents the demolition process and safe work practices

may include:

assessment of condition of property and surrounds

communication with those who may be affected by the demolition task

determination of floor loadings

erection of scaffolding

identification of hazardous materials

identification of position of hoses and cables clear of hazards

installation of supports and bracing

location of signage and barricades

provision for site safety.

Services include:

computer and communication

electricity

gas

telephone

water.

Mechanical equipment and plant:

include excavators

may be performed by backhoes and skidsteer loaders.

Demolition may be performed:

on a new construction site or an existing structure being renovated or extended which involves the complete or partial removal of components.