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: | Boilers covered by this unit are standard boilers and advanced boilers, including boilers defined in AS 2593:2004 Safety management and supervision systems and AS 3873:2001 Pressure equipment – Operation and maintenance and typically have a modulating combustion air supply and heat source. |
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 high temperature 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 associated equipment |
Advanced 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 high temperature means fixed and modulating combustion controls, fixed and modulated air supply, multiple fuel sources, pre-heaters, superheaters and economisers and will have: boiler piping supports mountings valves gauges fittings controls boiler settings and directly associated equipment |
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) |
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 |
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 |
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 systems operation and position of boiler valves combustion air supply system boiler water level essential fittings and gauges selection of personal protective equipment 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 |
Associated equipment includes one or more of the following: | multiple fuel sources pre-heater superheater economiser superheater safety valves economiser relief valves air heater feedwater heater attemperator main steam stop valve |
Start-up includes: | purge boiler furnace heat input warm-up reticulation system venting the boiler of air, as required steam traps and steam line purge system operations reticulation line pressure steam usage and supply superheater air heater feedwater heater economiser |
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 associated equipment failure |
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 economiser relief valve superheater safety valve |
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 and condensate returns fuel system combustion air supply water level boiler steam pressure boiler and steam manifold valves soot blowers 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 failures 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 |