RIIMPO325A
Conduct civil construction scraper operations

This unit covers conducting scraper operations in the civil construction industry. It includes: planning and preparing; conducting machine pre-operational checks; operating the machine; couple machines; relocating the machine; carrying out machine operator maintenance; and cleaning up.

Application

This unit is appropriate for those working in mobile plant operator roles, at worksites within:

Civil construction

Operator license issued by OHS authority may be required in some states or territories and scrapers must be registered to drive and operate on public roads.


Prerequisites

Not applicable.


Elements and Performance Criteria

ELEMENT

PERFORMANCE CRITERIA

1. Plan and prepare

1.1. Access, interpret and apply compliance documentation relevant to scraper operations tasks

1.2. Obtain, confirm and apply work instructions to the allotted task

1.3. Obtain, confirm and apply safety requirements to the allotted task

1.4. Identify, obtain and implement signage requirements from the project traffic management plan

1.5. Select plant, tools and equipment to carry out tasks that are consistent with the requirements of the job, check them for serviceability and rectify or report any faults

1.6. Identity, confirm and apply environmental protection requirements from the project environmental management plan, to the allotted task

2. Conduct machine pre operational checks

2.1. Carry our pre-start, start-up, park and shutdown procedures

2.2. Check scraper controls and functions, including implements or other attachments, brakes and manoeuvrability for serviceability and rectify or report any faults

3. Operate scraper

3.1. Identify site hazards associated with scraper operations and safe operating techniques are used to minimise risk

3.2. Identify and apply operating techniques for scrapers to achieve optimum output in accordance with design specifications

3.3. Operate scraper to work instructions

3.4. Carry our levelling, cutting, spreading, land filling/landscaping to job specifications and tolerances

3.5. Load and transport material to discharge point efficiently with minimum loss of load

3.6. Discharge material safely and efficiently

4. Couple machines

4.1. Establish and maintain coordination with other scraper operator during coupling

4.2. Maintain coordination and cooperation with other machines and operators to ensure work is completed efficiently to job specifications

4.3. Provide assistance with safe disengagement of puller/pusher when bowls are filled to capacity

4.4. Use attachment in accordance with recommendations and design limits

4.5. Clean and store removed attachments in designated location

5. Relocate the scraper

5.1. Move scraper safely between worksites, observing relevant codes and traffic management requirements

5.2. Prepare scraper for relocation

6. Carry out machine operator maintenance

6.1. Safely park, shutdown and prepare scraper for maintenance

6.2. Conduct inspection and fault finding

6.3. Remove and replace defective parts safely and effectively

6.4. Carry out regular programmed maintenance tasks

7. Clean up

7.1. Clear work area and dispose of or recycle materials in accordance with project environmental management plan

7.2. Clean, check, maintain and store plant, tools and equipment

Required Skills

Required skills

Specific skills are required to achieve the performance criteria in this unit, particularly for the application in the various circumstances in which this unit may be applied. This includes the ability to carry out the following as required to conduct scraper operations:

apply legislative, organisation and site requirements and procedures

apply site and equipment safety requirements

apply scraper operating techniques related to essential tasks

apply processes for interpreting drawings and sketches

apply operational, maintenance and basic diagnostic procedures

apply site isolation and traffic control responsibilities and authorities

interpret materials safety data sheets and apply materials handling methods

apply project quality requirements

use civil construction terminology

apply methods of changing machine attachments

apply safe operating techniques in all terrain

carry out basic earthworks calculations

apply levelling techniques

apply JSA's/Safe work method statement procedures

Required knowledge

Specific knowledge is required to achieve the Performance Criteria of this unit, particularly its application in a variety of circumstances in which the unit may be used. This includes knowledge of the following, as required to conduct scraper operations:

scraper types, characteristics, technical capabilities and limitations

basic principles of soil technology for civil works

site and equipment safety requirements

scraper operating techniques related to essential tasks

processes for interpreting drawings and sketches

operational, maintenance and basic diagnostic procedures

site isolation and traffic control responsibilities and authorities

materials safety data sheets and materials handling methods

project quality requirements

civil construction terminology

methods of changing machine attachments

safe operating techniques in all terrain

basic earthworks calculations

civil construction activity sequences of road construction, earthworks and drainage

levelling techniques

JSA's/Safe work method statement

Evidence Required

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

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

The evidence required to demonstrate competency in this unit must be relevant to worksite operations and satisfy all of the requirements of the performance criteria, required skills and knowledge and the range statement of this unit and include evidence of the following:

knowledge of the requirements, procedures and instructions for conducting scraper operations

implementation of requirements, procedures and techniques for the safe, effective and efficient completion of scraper operations, including:

a minimum of two different soil types, and

are to include the mandatory tasks of stripping of materials to specified depth, the cutting and filling of materials to line and level, stockpiling and spreading

where push pull scrapers are used, tasks are to include coupling, operating in tandem and disengagement

working with others to undertake and complete scraper operations that meet all of the required outcomes

consistent timely completion of scraper operations that safely, effectively and efficiently meet the required outcomes

Context of and specific resources for assessment

This unit must be assessed in the context of the work environment. Where personal safety or environmental damage are limiting factors, assessment may occur in a simulated environment provided it is realistic and sufficiently rigorous to cover all aspects of workplace performance, including task skills, task management skills, contingency management skills and job role environment skills.

The assessment environment should not disadvantage the participant. For example, language, literacy and numeracy demands of assessment should not be greater than those required on the job.

Customisation of assessment and delivery environment to sensitively accommodate cultural diversity.

Aboriginal people and other people from a non English speaking background may have second language issues.

Assessment of this competency requires typical resources normally used in the work environment. Selection and use of resources for particular worksites may differ due to site circumstances.

Where applicable, physical resources should include equipment modified for people with disabilities.

Access must be provided to appropriate learning and/or assessment support when required.

Method of assessment

This unit may be assessed in a holistic way with other units of competency. The assessment strategy for this unit must verify required knowledge and skill and practical application using more than one of the following assessment methods:

written and/or oral assessment of the candidate's required knowledge

observed, documented and/or first hand testimonial evidence of the candidate's:

implementation of appropriate requirement, procedures and techniques for the safe, effective and efficient achievement of required outcomes, including:

a minimum of two different soil types, and

are to include the mandatory tasks of stripping of materials to specified depth, the cutting and filling of materials to line and level, stockpiling and spreading

where push pull scrapers are used, tasks are to include coupling, operating in tandem and disengagement

consistently achieving the required outcomes

first hand testimonial evidence of the candidate's:

working with others to undertake and complete scraper operations

Guidance information for assessment

Consult the SkillsDMC User Guide for further information on assessment including access and equity issues.


Range Statement

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.

Relevant compliance documentation

may include:

legislative, organisation and site requirements and procedures

manufacturer's guidelines and specifications

Australian standards

codes of practice

Employment and workplace relations legislation

Equal Employment Opportunity and Disability Discrimination

Scrapers may include:

elevating scrapers, which are self-propelled articulating wheeled machine with a prime mover and sliding floor bowl configuration

the bowl houses an elevator system designed to assist in loading and unloading the bowl

the elevator system is normally hydraulically driven from the main engine; however, the elevator system may be driven by a separate power source

open bowl scrapers, which are self propelled articulating wheeled machine with a prime mover and sliding floor bowl configuration

these may be of a standard open bowl, tandem powered or push-pull configuration

the standard open bowl scraper normally requires the assistance of a push dozer when loading

standard open bowl and tandem powered scrapers may be fitted with an auger attachment in the bowl, to provide self-loading capability

Scraper tasks are to include:

the stripping of materials to specified depth, the cutting and filling of materials to line and level, stockpiling and spreading

where push pull scrapers are used, tasks are to include coupling, operating in tandem and disengagement

Scraper tasks may include:

stripping/spreading topsoil, granular materials, cutting drains, cutting battens, cutting/boxing, backfilling and rough grading

Work instructions may including:

plans, specifications, quality requirements and operational details

quality requirements may include but not be limited to dimensions, tolerances, standards of work and material standards as detailed in the project drawings, specifications and project documentation to meet client satisfaction

Safety requirements are to be:

in accordance with state or territory legislation and regulations, organisational safety policies and procedures, and project safety plan

Safety requirements may include:

protective clothing and equipment, use of tools and equipment, workplace environment and safety, handling of materials, use of fire fighting equipment, use of First Aid equipment, hazard control and hazardous materials and substances

personal protective equipment is to include that prescribed under legislation, regulation and workplace policies and practices

safe operating procedures which are to include but not be limited to recognising and preventing hazards associated with underground and overhead services, other machines, personnel, restricted access barriers, traffic control, working at heights, working in proximity to others, worksite visitors and the public

safe parking practices which is to include but not be limited to ensuring access ways are clear, equipment/ machinery is away from overhangs and refuelling sites, safe distance from excavations, and secured from unauthorised access or movement

hazards and risks may include but not be limited to uneven/unstable terrain, trees, fires, overhead and underground services, bridges, buildings, excavations, traffic, embankments, cuttings, structures and hazardous materials

emergency procedures related to this unit are to include but may not be limited to emergency shutdown and stopping, extinguishing fires, organisational First Aid requirements and evacuation

Tools and equipment are to include:

hand tools and maintenance equipment relevant to the particular scraper

Environmental requirements are to include:

organisational/project environmental management plan, waste management, water quality protection, noise, vibration, dust and clean-up management

Communications practices are to include:

verbal instructions and fault reporting and may include 2- way radio, hand signals, mobile phone, site specific instructions, written instructions or instructions related to job/task

on site meeting processes may include notification/ scheduling (time, place, purpose), task discussions and local coordination of procedural and operational issues

Materials may include:

clays, silts, stone, gravel, mud, rock, sand, topsoil, blended materials and organic materials

rock types may include metamorphic, igneous and sedimentary

Attachments may include:

an auger, machine guidance system and laser levelling equipment

Operator maintenance is to include:

cleaning, authorised servicing and the monitoring, recording and reporting of faults. It may also include the conduct of authorised minor replacements and the provision of assistance to maintenance personnel during maintenance and repair activities


Sectors

Mobile Plant Operations


Competency Field

Refer to Unit Sector(s).


Co-Requisites

Not applicable.


Employability Skills

This unit contains employability skills.


Licensing Information

Refer to Unit Descriptor.