Solid Biofuel Heating Systems Nominated Technical Persons Criteria

Transcription

1 MCS Company Scheme Criteria for: Solid Biofuel Heating Systems Nominated Technical Persons Criteria Current Criteria This document shows the Competence Criteria required to be met by a company undertaking the type of work detailed above. MCS 01/11/15 Page 1 of 20

2 These competencies have been identified from the current Qualifications Credit Units (QCF) devolved from the National Occupational Standards (NOS) to cover the range of work a Nominated Technical Person (NTP) working in the scope identified on the front page would normally undertake. Anybody holding: 1. An approved Biomass Assessment Certificate Is likely to have met with all of the criteria presented within this document. An Experienced Workers Route (EWR) will cover all the competencies outlined if taken in support of a EWR covering the same detail as titled on this document. A full list of Qualifications that have been deemed to have met this criteria can be found at along with access to EWR providers. Please note anybody who has achieved the assessment without holding the correct mandatory Prerequisites are likely to have to demonstrate further compliance against this company criteria. Criteria Presentation The criteria shown below in the following tables has been purposely presented in one of five categories: 1. Health and Safety HS 2. Technical Skills TS 3. Soft Skills SS 4. Other OT 5. Additional Information - AD Where any box is blank these are intentionally blank. By presenting the criteria within this format, it allows evidence to be collated for the Experienced Workers Route (EWR) options of evidencing compliance with the criteria. MCS 01/11/15 Page 2 of 20

3 Health and Safety Skills No. Objective No. Criteria 1 Know the health and safety risks and safe systems of 1 Confirm which aspects of Biomass system installation work pose risk of: work associated with 2 Electrocution/electric shock Biomass system installation 3 Burns work 4 Personal injury though component/equipment handling 5 Toxic poisoning 6 Fire including fuel storage 7 Explosion including fuel storage 8 Asphyxiation from dust inhalation and products of combustion Technical Skills No. Objective No. Criteria 1 Know the solid fuel legislation that applies to work in dwellings 1 Define the types of statutory legislation and guidance information that applies to solid fuel installation and maintenance work in the industry 2 Building regulations 3 Industry standards 4 Manufacturer installation & service/maintenance instructions 5 Identify the recommended responsibilities of key personnel relating to the installation and maintenance of solid fuel equipment 6 Business registration and competence 7 Personnel registration and competence 8 Consumers private householders and tenants 9 Identify the legislative requirements related to clean air (smoke control areas) in the UK 10 Analyse and interpret the requirements of specific solid fuel safety legislation 11 Define the range of information that would be contained within a commissioning record for solid fuel equipment 12 Identify the procedure for notifying works carried out to the relevant building control body 13 Notification to the building control body 14 Self-certification via a competent persons scheme 2 Know the types of solid fuels and the factors affecting fuel selection MCS 01/11/15 Page 3 of 20 1 Clarify the types of solid mineral fuels burnt in solid fuel 2 Bituminous (house) coals 3 Bituminous coal briquettes 4 Natural smokeless fuels

4 3 Know the basic operating principles of solid fuel 4 Know the factors which affect the selection of solid fuel 5 Manufactured smokeless fuels 6 Clarify the types of wood burnt in solid fuel 7 Wood logs 8 Wood chips 9 Wood briquettes 10 Wood pellets 11 Define the term sustainable sources related to the production and burning of wood in solid fuel 12 Define the factors which affect the selection of solid fuels 13 Customer preference 14 Appliance type 15 Fuel storage requirements 16 Smoke control legislation 1 State the operating principles of solid fuel open fires 2 Inset (dry) 3 Freestanding (dry) 4 Convector (dry) 5 With underfloor air supply 6 With small hot water only boiler 7 With high output back boiler 8 State the operating principles of solid fuel room heaters (stoves) 9 Inset (dry) 10 Freestanding (dry) 11 With integral boiler 12 Automatic feed type e.g. pellet burners 13 State the operating principles of solid fuel cookers 14 Cooking only 15 Cooking with small hot water boiler 16 Cooking with high output boiler 17 State the operating principles of solid fuel independent boilers 18 Batch fed (log boilers) 19 Gravity fed 20 Automatic feed type e.g. pellet burners 1 Specify the minimum solid fuel appliance efficiency requirements laid down by statutory legislation 2 Clarify the impact of smoke control legislation on the selection of solid fuel 3 Appliance fuel types restricted in smoke control areas 4 Use of exempted MCS 01/11/15 Page 4 of 20

5 5 Know the combustion process and the principles of safe combustion of solid fuels 5 Specify the fuel storage requirements of solid fuel burning solid mineral fuels 6 Specify the fuel storage requirements of solid fuel burning wood 7 Seasoning requirements for wood logs 8 Soft woods 9 Hard woods 10 Storage requirements for wood logs during the seasoning process 11 Storage requirements for wood ready for burning 12 Wood logs 13 Wood chips 14 Wood briquettes 15 Wood pellets 1 Define the terms related to solid fuel composition 2 Calorific value 3 Moisture content 4 Volatile content 5 Identify the combustion process with solid fuels used in dwellings 6 The combustion equation 7 Air requirements for combustion including excess air 8 Optimum combustion temperature 9 Impact of fuel size on the combustion process 10 Main constituents of complete combustion 11 Soot production as a by-product of the combustion process 12 Specify the main causes of incomplete combustion with solid fuels 13 Inadequate air supply 14 Incorrect fuel 15 Inadequate flue/ chimney performance 16 Identify the production of carbon monoxide as a possible byproduct of incomplete combustion 17 Identify the potential effects of carbon monoxide when incomplete combustion takes place 18 Effects of exposure to carbon monoxide on the human body 19 Symptoms of co poisoning 20 Advice to give to a person who describes symptoms of being affected by products of combustion 21 Specify the measures necessary to ensure that exposure to carbon monoxide does not take place MCS 01/11/15 Page 5 of 20

6 6 Know the ventilation requirements of solid fuel installed in dwellings 7 Know the standards of chimneys and flue systems 22 Primary measures correct appliance installation and maintenance 23 Secondary measures use of carbon monoxide detectors 24 Types of co detectors available and standards of manufacture 25 The positioning requirements for carbon monoxide detectors 26 Causes of activation of co detectors & indicators 27 Clarify the use of co analysers in measuring co concentrations in ambient air 28 Test procedure for measuring co in ambient air 29 Response required based on co in ambient air levels (action levels) 1 Calculate the ventilation requirements for open flued solid fuel 2 For single open flued installed in a room or space 3 For multiple open flued installed in the same room or space including mixed solid fuel and gas or oil fired 4 Identify the types of grilles and vents available for ventilation 5 Types of grilles and vents 6 Restrictions on the use of flyscreen s 7 Sizing of grilles and vents (free area availability) 8 Calculate the free area of unmarked grilles and vents 9 Specify the acceptable locations for ventilation to 10 Restrictions to ventilator/grille locations 11 Installation of vents through walls (including cavity walls) 12 Ventilation paths via other rooms 13 Siting of ventilation 14 Wall 15 Window 16 Floor/ceiling (ducted and un-ducted) 17 Clarify the effect that other heat producing and extractor fans have on the requirement for ventilation of solid fuel 18 Gas or solid fuel and flue systems 19 Passive stack ventilation 20 Extractor fans 21 Cooker hoods 22 Tumble driers 1 State the function of an open flue/ chimney system 2 Clearing the products of combustion 3 Inducing combustion air into the solid fuel appliance MCS 01/11/15 Page 6 of 20

7 to be used with solid fuel in dwellings MCS 01/11/15 Page 7 of 20 4 Identify the working principles of open flue systems including the effect that height has on flue performance 5 State the types and general layout features of chimney and flue construction 6 Rigid chimney types 7 Brick / masonry 8 Pre-cast flue blocks 9 Metallic (single & double wall flues) 10 Flexible metallic liner installation types and suitability 11 Specify the requirements for new and existing chimney/flue installation 12 Minimum cross sectional area of new chimney installations to serve 13 Insulation requirements for flues/ chimneys 14 Restrictions placed on (bends) changes of direction in the chimney/ flue system 15 Types of flue liners during construction (salt glazed, clay etc.) 16 Poured/pumped concrete flue liners: pre-cast flue blocks: flexible flue liners: flue system jointing methods 17 Restrictions on the use of poured concrete liners 18 Pre-cast flue design 19 Minimum cross sectional area of new flue blocks: minimum requirement of vertical flue blocks before off-sets: jointing material for pre-cast flue blocks: minimum flue size diameter for connecting pre-cast transfer blocks to termination point: effects of temperature on installation requirements for precast flues 20 Specify the requirements for new and existing chimney/flue installation 21 Flexible flue liners 22 Sealing & support requirements for flexible flue liners in chimneys 23 Flexible liner components 24 Termination of flue liners 25 Metallic rigid flue/ chimney systems 26 Support requirements 27 Jointing methods 28 Use external to the building 29 Define the design requirements of flues used with solid fuel 30 Requirements of designer, builder, provider or installer when installing chimneys

8 8 Know the methods of diagnosing problems with flue/ chimney performance 31 Chimney system design 32 Distance requirements when passing through combustible material: fire-stopping requirements when passing through compartments: methods of preventing contact of combustible materials with metallic internal flue pipes e.g. in cupboards, roof spaces: special requirements for chimneys passing adjacent to combustible material or through other dwellings: proximity of single skin flue pipes to combustible materials 33 Define the design requirements of flues used with solid fuel 34 Temperature effects and condensation problems caused by flue pipe runs 35 Requirements for access to and chimneys/ flue systems for cleaning purposes 36 Specify the requirements for the termination of flue systems serving solid fuel 37 Low level open flue appliance termination (pellet burners) 38 Open flue terminal positions on roof surfaces 39 Open flue terminal positions on easily ignited roof surfaces 40 Methods of dealing with down-draught on steeply pitched roofs 41 Types of chimney pots and approved cowls for use with solid fuel flue systems 42 Specify the methods of making correct appliance connection to the flue system 43 Forming chimney gathers open fires 44 Throats to open fires 45 Use, positioning and sizing of canopies to open fires 46 Flue connection to freestanding (open fire, cooker, room heater & boiler) 47 Freestanding appliance (open fire, cooker, room heater & boiler) connection to rigid metallic flue pipe systems 48 Inset room heater connection to flue systems 49 Identify the working principles of flue draught stabilisers and their uses with solid fuel 50 Specify the requirements for installing chimney fans to open flues/chimney systems 51 Requirements prior to installing fans in flues 52 Additional safety requirements when fans are installed in flues 1 Specify the range of faults and their potential solution associated with flues/ chimneys sited in high pressure zones 2 Specify the range of faults and their potential solution associated with insufficient flue draught MCS 01/11/15 Page 8 of 20

9 9 Know the requirements for hearths and fireplace surrounds to solid fuel 10 Know how to test solid fuel and associated flue systems in dwellings for effective operation MCS 01/11/15 Page 9 of 20 3 Specify the range of faults and their potential solution associated with no, or limited chimney up draught 4 Specify the range of faults and their potential solution associated with chimney down-draughting 1 Specify the requirements for the provision of hearths to solid fuel 2 Appliances with base temperature below 100 c 3 Appliances with base temperature above 100 c 4 Clarify the constructional features of hearths to solid fuel (base temperatures above 100 c) 5 Constructional hearth dimensions 6 Superimposed hearth dimensions 7 Proximity of on hearths to combustible materials 8 Specify the methods of forming recessed fireplace openings 9 Specify the methods of installing fireplace surrounds including the suitability of surround material 10 Identify the requirements for the provision of a flue/ appliance hearth data plate 1 Identify the requirements for sweeping an existing flue system prior to new solid fuel appliance installation 2 Specify the key points to be checked in the visual inspection of a flue system prior to undertaking commissioning of the solid fuel appliance/ flue system 3 Specify the circumstances in which CCTV inspection of a flue system may be required 4 State the factors that can affect flue system performance 5 Downdraught conditions 6 Wind effects at the appliance termination 7 Passive stack ventilation 8 Extractor fans sited in the vicinity of open flued 9 Specify the testing procedures that should be performed to check the correct operation of an existing chimney/flue system 10 Coring ball test 11 Smoke test 12 Flue testing procedures with sited in the vicinity of extraction fans 13 Specify the testing procedures applied to solid fuel 14 Flue flow test 15 Appliance air leakage test (closed ) 16 Appliance spillage test (open ) 17 Taking flue draught readings and adjustment of appliance air control devices

10 11 Know how to identify and respond to unsafe situations relating to solid fuel flue systems and in dwellings 12 Be able to correctly identify solid fuels and their uses 13 Be able to correctly state the type of solid fuel appliance and determine minimum operating efficiencies 14 Be able to select and install ventilation for solid fuel 18 Specify the procedures for using combustion analysis equipment to commission selected solid fuel 1 Clarify the types of unsafe situation that may be found with solid fuel and flue systems 2 Types of risk 3 Actions to take 4 do not use notices and labels 5 Warning notice forms 6 Identify the use of general notices and warning labels to avoid the occurrence of unsafe situations 7 Solid fuel commissioning certificates 8 Solid fuel service certificates 1 Confirm the type of solid mineral fuel supplied and identify the suitability of the fuel to be burnt in selected 2 Bituminous (house) coals 3 Bituminous coal briquettes 4 Natural smokeless fuels 5 Manufactured smokeless fuels 6 Confirm the type of wood supplied and identify the suitability of the fuel to be burnt in selected 7 Wood logs 8 Wood chips 9 Wood briquettes 10 Wood pellets 1 Name the type of solid fuel appliance to be installed 2 Determine the minimum appliance efficiency for stated and confirm their compliance with statutory regulation requirements 1 Calculate the ventilation requirements (free area of air vent) for solid fuel from on-site information 2 Single open flued 3 Multiple open flued 4 Determine by measurement and calculation the free area of grilles and ventilators to supply combustion air to solid fuel 5 Marked ventilators and grilles 6 Unmarked ventilators and grilles 7 Determine the suitability of grilles and vents to provide combustion air and compartment ventilation 8 Grille/vent construction 9 Fly screen not fitted/ correctly sized 10 Projection through walls including cavity walls MCS 01/11/15 Page 10 of 20

11 15 Be able to check the suitability of chimneys, hearths and flue systems 16 Be able to test solid fuel appliance flue systems for effective operation MCS 01/11/15 Page 11 of Fixing arrangements 12 Confirm the correct positioning of grilles and ventilators to provide combustion air to open flued solid fuel 1 Confirm the parts of a flue system from an existing installation 2 Confirm the type of open flue system installed 3 Brick masonry chimneys with/without liners 4 Rigid flues including single and double skin 5 Confirm the suitability of the chimney/ flue for use with an open flued solid fuel appliance 6 Flue chimney soundness and construction 7 Flue materials 8 Flue draught stabiliser (if fitted) 9 Appliance connection to flue/chimney 10 Flue proximity to combustible materials 11 Flue length and routing internal/external 12 Flue jointing methods and materials 13 Flue supports 14 Flue inspection points are provided (where required) 15 Flue connection to termination point 16 Selection of correct chimney pot/ approved cowl 17 Confirm that the flue outlets (terminals) of flued are correctly positioned 18 Correctly positioned terminals 19 Incorrectly positioned terminals 20 Confirm the suitability of hearth provided for use with solid fuel 1 Carry out visual inspections of flued (masonry lined and rigid metallic) flue systems to confirm their suitability prior to testing the operation of the flue system 2 Carry out testing procedures to open flue systems 3 Coring ball test 4 Smoke test 5 Carry out flue flow tests of / open flue systems 6 Correctly operating flues 7 Incorrectly operating flues 8 Carry out spillage tests of open flued 9 Correctly operating 10 Incorrectly operating 11 Carry out appliance air leakage tests to open flued 17 1 Diagnose faults in solid fuel flued systems 2 Flues/ chimneys sited in high pressure zones

12 Be able to diagnose faults in open flue systems and identify rectifying actions 18 Be able to correctly respond to unsafe solid fuel situations 19 Know the types of biomass appliance and their operating principles 20 Know the energy efficiency legislation applicable to biomass 3 Insufficient flue draught 4 No, or limited up draught 5 Down draughting 6 Present solutions to overcome faults in flue systems 1 Perform safety checks on solid fuel and flue systems to check for unsafe situations 2 Complete report forms installation and service 3 Inspect and apply unsafe situations procedures to solid fuel and flue systems 4 Label systems, and components as appropriate 5 Isolate as appropriate 1 Identify the operating principles of a biomass appliance 2 Log burner batch type appliance 3 Wood pellet burner fully automatic 4 Define the purpose of components of a biomass appliance 5 Log burner 6 Fuel store: heat exchanger: heat exchanger cleaning mechanism: ash removal: fire bed/ combustion chambers: primary/secondary air control: air supply (suction) fan: flue gas exhaust control: flue gas temperature sensor: lambda sensor: combustion controller (pcb) 7 Wood pellet burner 8 Fuel store: fuel supply system suction and drive feed systems: heat exchanger: heat exchanger cleaning mechanism: automatic ignition system: automatic heat exchanger/flue cleaning mechanism: automatic ash removal system: combustion air fan: flue gas temperature sensor: lambda sensor: combustion controller (pcb) 9 Clarify the operating principles of biomass 10 Automatic wood pellet burning stoves 11 Automatic wood pellet burning boilers 12 Batch fed wood log burning stoves 13 Batch fed wood log burning boilers 1 Specify the types of biomass appliance that must be installed to meet the requirements of energy efficiency legislation 2 New properties 3 Replacement of boilers in existing properties 4 State the limitation on the installation of biomass laid down by the clean air act 5 Specify the level of central heating controls to be provided in heating and hot water systems incorporating biomass MCS 01/11/15 Page 12 of 20

13 21 Know the factors to be considered when selecting biomass to meet customers needs 22 Know the installation requirements of biomass 6 New properties 7 When carrying out replacement of existing fossil fuel burning 1 Define the factors which affect the selection of biomass in dwellings 2 State the criteria used when selecting biomass 3 Customers needs/ preference 4 Provision of suitable flueing arrangements 5 Restrictions placed on boilers installed in certain rooms 6 Bathrooms/ shower rooms: bedroom/ bedsitting rooms: under stairs cupboards: loft spaces: garages: externally sited 7 Proximity of combustible materials to the appliance 8 Building layout and features suitable appliance space and fuel storage 9 Suitability of heating system 10 Use of underfloor heating systems: use of buffer tanks (accumulators) 11 Loadings placed on the biomass appliance 12 Energy efficiency legislation requirements 13 Environmental impact 14 Define the processes used when calculating the size of replacement existing boilers using the whole house boiler sizing method 1 Specify the requirements of a pre-installation inspection to determine that the biomass appliance can be correctly installed 2 Appliance location/ position 3 Hearth provision 4 Flueing arrangements and termination 5 Appliance ventilation provision 6 Fuel supply arrangements 7 Heating/ hot water system provision 8 Electrical connection arrangements 9 State how to position, fix and connect biomass to manufacturer requirements 10 Assemble and position the appliance 11 Make connections to, or assemble the appliance flue system/ connection 12 Make/ assemble the appliance fuel storage arrangements 13 Assemble the fuel delivery system 14 Make connections to the heating/ hot water system MCS 01/11/15 Page 13 of 20

14 23 Know the range of equipment used to commission biomass 24 Know the commissioning requirements of biomass 15 Make final electrical connections to the central heating control system 1 Specify the equipment used to determine flue draught readings 2 Draught gauge 3 Specify the equipment used to carry out combustion analysis of a biomass appliance and its method of use 4 Electronic test equipment 5 Define the maintenance and calibration requirements of test equipment used to commission biomass 1 Interpret information sources required to complete commissioning work on biomass 2 State the checks to be carried out during a visual inspection of a biomass appliance to confirm that it is ready to be commissioned 3 Fuel storage provision correctly assembled, sited and correct fuel supplied 4 Fuel supply system correctly assembled and ready for operation 5 Air supply combustion and ventilation 6 Flue system including hearth, proximity of combustible materials, flue termination and provision of flue draught stabiliser (where required) 7 State the checks to be carried out during a visual inspection of a biomass appliance to confirm that it is ready to be commissioned 8 Biomass appliance correct positioning and assembly of components such as flue mechanisms, temperature sensors etc. 9 Water connections to the appliance provision of suitable heating/ hot water system controls, checked filled and ready for operation 10 Electrical connection to the appliance electrical testing has taken place and the appliance is ready for operation 11 Appliance ignition and cleaning mechanisms 12 Specify the range of operational tests to be carried out prior to appliance light up 13 Flue flow test (where required) 14 Specify the range of operational tests to be carried out on initial appliance light up 15 Initial function of appliance burner 16 Correct operation of burner safety controls 17 Initial readings to determine the flue draught MCS 01/11/15 Page 14 of 20

15 25 Know the decommissioning requirements of biomass MCS 01/11/15 Page 15 of Flue operational tests flue spillage (where required, flue draught interference test (where required) 19 Specify the range of tests to be carried out to determine the appliance combustion efficiency and adjust/ fine tune the burning rate accordingly 20 Specify the checks to be carried out to ensure that the appliance temperature controls are operating correctly 21 Specify the range of checks to be carried out to ensure that connected water heating systems are functioning correctly 22 Hot water systems 23 Central heating systems 24 Define the actions to take in the event that the appliance/ component cannot be correctly commissioned 25 Use of the unsafe situations procedure 26 Provision of suitable warning notices 27 Propose the range of information that would be detailed on a commissioning record for a biomass appliance 28 State the procedure for notifying works carried out to the relevant authority 29 Propose the points to be covered when handing over a completed installation to the end-user 1 Specify working methods that reduce the periods during which biomass are not available to building users 2 State the information that needs to be provided to other persons before decommissioning work takes place 3 Define how to temporarily decommission biomass 4 Define the work sequences for permanently decommissioning biomass 5 Specify the procedures for safely draining and disposing of system contents 6 Central heating/ hot water system 7 Fuel and ash system 8 Specify the methods used during the decommissioning process to prevent the end-user from operating the appliance or system 9 Safe isolation of the fuel supply system 10 Safe isolation of the heating/hot water system 11 Safe isolation of the heating/hot water electrical control system 12 Temporary capping of pipework sections 13 Use of warning notices and signs 26 1 Select suitable biomass meeting installation/ standard requirements

16 Be able to select biomass to meet customers needs 27 Be able to install biomass 28 Be able to commission biomass 2 Customers needs/ preference 3 Provision of suitable flueing arrangements 4 Suitable room/ property location 5 Proximity of combustible materials to the appliance 6 Building layout and features suitable appliance space and fuel storage 7 Suitability of heating system 8 Loadings placed on the biomass appliance 9 Energy efficiency legislation requirements 10 Environmental impact 11 Calculate the size of biomass appliance required for a boiler replacement using the whole house boiler sizing method 1 Carry out a pre-installation inspection to determine that biomass can be correctly installed 2 Appliance location/ position 3 Hearth provision 4 Flueing arrangements and termination 5 Appliance ventilation provision 6 Fuel supply arrangements 7 Heating/ hot water system provision 8 Electrical connection arrangements 9 Position, fix and connect biomass to manufacturer requirements 10 Assemble and position the appliance 11 Make connections to, or assemble the appliance flue system/ connection 12 Make/ assemble the appliance fuel storage arrangements 13 Assemble the fuel delivery system 14 Make connections to the heating/ hot water system 15 Make final electrical connections to the central heating control system 16 Take precautions to ensure that the appliance cannot be brought into operation before the installation work is fully completed 1 Use information sources to identify the range of commissioning work required on biomass 2 Carry out a visual inspection of biomass to confirm that they are ready to be commissioned 3 Fuel supply system correctly assembled and ready for operation 4 Air supply combustion and ventilation MCS 01/11/15 Page 16 of 20

17 29 Be able to decommission biomass 5 Flue system including hearth, proximity of combustible materials, flue termination and provision of flue draught stabiliser (where required) 6 Biomass appliance correct positioning and assembly of components such as flue mechanism, temperature sensors etc. 7 Water connections to the appliance provision of suitable heating/ hot water system controls, checked filled and ready for operation 8 Electrical connection to the appliance electrical testing has taken place and the appliance is ready for operation 9 Appliance ignition and cleaning mechanisms 10 Carry out operational tests prior to appliance light up 11 Flue flow test (where required) 12 Carry out operational tests on initial appliance light up 13 Initial function of appliance burner 14 Correct operation of burner safety controls 15 Initial readings to determine the flue draught 16 Flue operational tests flue spillage (where required, flue draught interference test (where required) 17 Carry out appliance combustion efficiency tests and adjust/ fine tune controls accordingly 18 Carry out checks to ensure that the appliance temperature controls are operating correctly 19 Carry out checks to ensure that connected water heating systems are functioning correctly 20 Hot water systems 21 Central heating systems 22 Complete the details contained in a commissioning record for biomass 1 Liaise with other persons to determine the decommissioning work to be carried out 2 Arrange for temporary heating to be available (if required) for the duration of decommissioning work 3 Isolate the appliance from the supply source 4 Turn off the electricity supply and make safe 5 Turn off the water supply to the system 6 Drain and safely dispose of the system contents 7 Central heating/ hot water system 8 Take precautions to ensure that the appliance cannot be brought back into operation before the decommissioning work is complete MCS 01/11/15 Page 17 of 20

18 30 Know the requirements for the routine service of biomass 31 Know the how to diagnose faults in biomass 32 Know how to rectify faults in biomass 9 Advise other persons that the appliance has been successfully decommissioned 1 Define which documentation needs to be available to enable routine service and maintenance work on biomass 2 Specify methods of safely isolating biomass to prevent them being brought into operation before the work has been fully completed 3 Clarify the typical routine service and maintenance requirements for biomass (log and pellet burners) 4 Visual inspection requirements 5 Cleaning of components 6 Checking of system water content 7 Functional tests 8 Clarify the industry requirements for the recording and reporting of routine service and maintenance work on biomass 1 Specify the information that needs to be available to enable fault diagnosis 2 Define the work action and sequences required to diagnose biomass appliance faults 3 Defects in flue performance 4 Defective fuel supply system 5 Failure in the heat exchanger/ flue cleaning system 6 Failure of the ignition system 7 Sensor/microprocessor faults 8 Inadequate flow rate through the appliance 9 Define the actions to take in the event that the appliance/ component fault cannot be rectified 10 Use of the unsafe situations procedure 11 Provision of suitable warning notices 1 Define the work action and sequences required to rectify biomass appliance faults 2 Defects in flue performance 3 Defective fuel supply system 4 Failure in the heat exchanger/ flue cleaning system 5 Failure of the ignition system 6 Sensor/microprocessor faults 7 Inadequate flow rate through the appliance 8 Specify the procedures to re-commission following completion of fault repair activities 9 Specify the information that needs to be recorded on a maintenance report form following rectification work MCS 01/11/15 Page 18 of 20

19 33 Be able to service and maintain biomass 34 Be able to diagnose faults in biomass 35 Be able to rectify faults in biomass 1 Obtain the relevant information required to enable the work to take place 2 Safely isolate biomass in order to undertake periodic service and maintenance work 3 Carry out a periodic service of a biomass installation to include checks in relation to 4 Visual inspection of the installation for compliance with regulation requirements 5 Cleaning of components 6 Checking of system water content 7 Functional tests on system components 8 Complete maintenance records relating to biomass 1 Use information sources as part of the fault diagnosis procedure 2 Carry out fault finding procedures to identify the cause of faults with biomass 3 Defects in flue performance 4 Defective fuel supply system 5 Failure in the heat exchanger/ flue cleaning system 6 Failure of the ignition system 7 Sensor/microprocessor faults 8 Inadequate flow rate through the appliance 1 Carry out fault rectification work on biomass 2 Defects in flue performance 3 Defective fuel supply system 4 Failure in the heat exchanger/ flue cleaning system 5 Failure of the ignition system 6 Sensor/microprocessor faults 7 Inadequate flow rate through the appliance 8 Re-commission following completion of fault repair activities 9 Complete maintenance report forms following rectification work Soft Skills No. Objective No. Criteria Intentionally Blank Other MCS 01/11/15 Page 19 of 20

20 No. Objective No. Criteria Intentionally Blank Additional Guidance Intentionally Blank MCS 01/11/15 Page 20 of 20