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Elements and Performance Criteria

Range Statement

This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.

Boiler includes:

Fixed and modulating combustion controls and a single heat source. Operation includes a battery of boilers and boilers that have a single thermal or solar heat source.

Note: Boilers meeting the definition of ‘advanced boiler’ are excluded.

Standard boiler includes:

vessel or an arrangement of vessels and interconnecting parts in which steam and vapour is generated or in which water or other liquid is heated above that of the atmospheric pressure by the application of:

fire

the products of combustion

electrical power

similar means

fixed and modulating combustion controls, fixed and modulated air supply, a single fuel source and will have:

boiler piping

supports

mountings

valves

gauges

fittings

controls

boiler settings and directly associated equipment

Type of boiler includes one or more of the following:

fire tube

water tube

once through boilers

waste heat

electrically heated

novel or unique

Hazards include one or more of the following:

asbestos lagging

chemical hazards

thermal hazards

manual handling hazards

machinery guard requirements

hot exposed steam pipe

leakage of steam

leakage of fuel

odour of gas

fumes from a liquid chemical spill

faulty/broken ladder or hand rail

working at heights

flammable liquids

fire and explosion

electrical hazards

work area, including:

illumination

excessive noise from machinery

spillage of oil

rubbish and combustibles

obstruction

Risk control methods include:

Risk control methods refer to the systematic process of eliminating or reducing the risk to personnel and property through the application of controls.

It includes the application of the hierarchy of control:

elimination

substitution

isolation

engineering controls

administrative controls

personal protective equipment (PPE)

Appropriate standards include one or more of the following:

legislation

codes of practice

manufacturer specifications

Australian Standards

technical standards (International)

industry standards (where applicable)

Procedures include one or more of the following:

manufacturer guidelines (e.g. instructions, specifications or checklists)

industry operating procedures

workplace procedures (e.g. work instructions, operating procedures or checklists)

Equipment includes one or more of the following:

gas monitoring equipment

water testing equipment

fire-fighting equipment

workplace first aid equipment

work platform and associated gear, including walkways

Communication methods include one or more of the following:

verbal and non-verbal language

written instructions

signage

hand signals

listening

questioning to confirm understanding

appropriate worksite protocol

Appropriate personnel includes one or more of the following:

production workers

maintenance workers

supervisors and managers

other boiler operators

suppliers

colleagues

Records include one or more of the following:

operating log books

maintenance records

records of faults and potential faults

isolation procedures

safe operating procedures

daily operating inspections

repairs carried out according to manufacturer recommendations and operating procedures

workplace record keeping requirements

details of any daily or periodic maintenance work

details of yearly programmed or additional maintenance work

Risk control measures include one or more of the following:

barricades and controls

machine guarding

fall prevention

pedestrian controls

adequate illumination

noise controls

signage

PPE

PPE includes one or more of the following:

thermally insulated gloves

hard hat protection

ear protection (muffs or plugs)

chemical resistant gloves and apron

respiratory devices

eye protection

working protective gloves

whole body fire-resistant clothing

Communication equipment includes one or more of the following:

two-way radios

mobile phones

intercoms

landline telephones

pagers

satellite phones

computers

Pre-start up checks include:

testing warning lamps or visual warning indicators

control panel checks

checks of feedwater supply system

fuel supply/heat source system

operation and position of boiler valves

combustion air supply system

boiler water level

essential fittings and gauges

selection of PPE

inspection and location of inspection and explosion doors (where applicable)

identification of hazards and management of risks and maintenance problems

fire-fighting equipment

manufacturer recommendations and checklists

relevant records and logs

Start-up includes:

purge boiler furnace

heat input

warm-up reticulation system

venting the boiler of air, where required

steam traps and steam line purge system operations

reticulation line pressure

steam usage and supply

Maintenance includes:

leaking steam pipe

pressure gauge accuracy

exposed electrical wiring

defective illumination in the workplace

leaking fuel pump gland

leaks in high pressure feed line

leaking gauge glass mounting

leaking safety valve

isolation procedures, hardware and equipment

Faults include one or more of the following:

abnormal operating conditions

boiler tube failure

feedwater supply and/or other major auxiliary loss

wet steam

high dissolved oxygen

pH of water

high conductivity

actuator or valve mechanical or electrical fault/failure

instrument failure

steam leak

Diagnosed includes one or more of the following:

senses, including:

audio

smell

touch

visual

remote or local indicators and recorders

computers and alarms, including:

visible

audible

Operating log includes:

date and time of checking

each check, examination and results

printed and signed name of person who performed the checks

date and time of any lockout or equipment malfunction

results of tests on boiler or feedwater

changes in operation

Valves and fittings include one or more of the following:

safety valves

gauge glasses

main steam stop valve

feedwater stop valve

feed check valve

blowdown valve

steam side/line drain valves

flame failure detection device

water level controller

boiler steam pressure gauge

Monitored includes:

water supply system

checks of steam reticulation line pressure

usage and supply of steam

quality of steam

combustion/heat source system and management

feedwater system

fuel system

combustion air supply

water level

boiler steam pressure

boiler and steam manifold valves (where fitted)

soot blowers (where fitted)

operation of control/safety devices, including control panels

Tested includes one or more of the following:

response checks

standby plant ‘cut in’ tests

valve operating checks

hydrostatic tests

performance tests

alarm and protection tests

Tests include one or more of the following:

pH levels

conductivity

oxygen

TDS

hardness

other contaminants

Chemicals include one or more of the following:

oxygen scavenger

feedwater additives

other chemicals

hardness

condensate chemicals

pH buffers

Handover includes:

previous load requirements

maintenance issue, including equipment isolated for maintenance

operational incidences

read operating log

general inspection of boiler to detect any defects

accept responsibility of boiler

noted equipment malfunctions

required equipment tests

Emergencies include one or more of the following:

tube failure

loss of water level

power failure

inadequate housekeeping

explosion

fire

bomb threat

terrorism

personal accidents

chemical spills

major steam leaks

major water leaks and flooding

natural disasters

oil spills

Appropriate emergency response measures include one or more of the following:

identification of emergency

isolation of heat source

selection and application of appropriate fire-fighting equipment and PPE

notification of downstream users

operation of boiler only when safe to do so

notification of appropriate regulatory authorities, including Commonwealth, state, territory and boiler manufacturer

Shutdown includes:

checks of water level

cooling down process

valve settings

equipment isolation

boiler pressure/vacuum

fuel/heat source isolation in accordance with manufacturer recommendations

boiler post-purge

Storage mode includes:

wet and dry storing

open or closed position


Performance Evidence

Evidence of competence in this unit must be relevant to and satisfy the requirements of the elements and performance criteria, and include demonstration of:

following work instructions, SOPs and safe work practices

complying with Commonwealth, state and territory work health and safety (WHS) legislation and regulations

complying with Australian and industry standards, organisation workplace standards, policies and relevant codes of practice requirements at all times

planning and preparing for work, including identifying potential hazards and implementing appropriate risk control measures

identifying the type of standard boiler

reading and interpreting maintenance records, operating logs and safety data sheets (SDS)

conducting the appropriate pre-start up checks, including identifying all maintenance requirements and visual faults

using appropriate tools, equipment and PPE in accordance with procedures

completing all maintenance and rectification requirements in accordance with manufacturers’ and workplace procedures, including recording/reporting requirements

completing the start-up procedures and bringing the boiler online

monitoring the boiler, including conducting relevant tests and activities and adjusting boiler water quality in accordance with procedures

interpreting boiler operation tables and figures

communicating handover of boiler status to appropriate personnel

demonstrating emergency operating procedures

identifying all boiler energy sources required to be isolated and made safe for maintenance, inspection and repairs

applying boiler cleaning and storage techniques.


Knowledge Evidence

Evidence must be provided that demonstrates knowledge of:

safe work practices and procedures and use of PPE

Commonwealth, state and territory WHS/OHS legislation and approved codes of practice relevant to standard boiler operation

Australian and industry standards relevant to standard boiler operation

basic principles of heat transfer and thermodynamics in relation to boiler operations

boiler steam equipment operating principles and operating methods

types and characteristics of feedwater systems and treatment

types and use of equipment and fittings for operation and maintenance of boilers

function, purpose and operation of main steam stop valve

boiler auxiliary equipment characteristics and capabilities

essential fittings required where more than one boiler is installed (e.g. battery of boilers)

processes for confirming operational status of a boiler

workplace communication techniques and procedures

responsibilities for checking and testing boilers

location and inspection procedures and techniques for inspection and explosion doors

steam and boiler hazards for cold start and handover

hierarchy of risk control

type and limitations of corrective action and/or adjustments that can be made in response to routine boiler operation problems and emergencies

various harmful energy sources in boiler operation and the means to effectively isolate these energy sources and make them safe

modes of boiler storage and procedures for storing boiler in open or closed condition

SDS and safe chemical handling and storage methods for boiler operation and cleaning

procedures for cleaning boilers internally and externally, as required

procedures for recording, reporting and maintenance of workplace records and information.