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07A Risk Analysis EU Machinery Directive CE

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RISK ANALYSIS ACCORDING TO EU MACHINERY DIRECTIVE CE/2006/43 Project 10892 - HARLINGEN Document n° 10892EA00400 Table of Content 1 - General part p 2 2 - List of specific parts p 5 3 - Risk Interfaces p 43 4 - EC certificates p 44 5 - List of norms applied p 45 Date 02/03/2011 Revision 0 first edition Written by : IS Checked by : AB Approved by : PMi GL
Transcript
Page 1: 07A Risk Analysis EU Machinery Directive CE

RISK ANALYSISACCORDING TO EU MACHINERY DIRECTIVE CE/2006/43

Project 10892 - HARLINGEN

Document n° 10892EA00400

Table of Content

1 - General part p 2

2 - List of specific parts p 5

3 - Risk Interfaces p 43

4 - EC certificates p 44

5 - List of norms applied p 45

Date 02/03/2011 Revision 0 first edition

Written by : IS Checked by : AB Approved by : PMiGL

Page 2: 07A Risk Analysis EU Machinery Directive CE

1- General part

ORIGIN AND KIND OF RISKS POTENTIAL CONSEQUENCES REMEDIES AND REFERENCES1.1 GENERAL REMARKS1.1.1 Definitions1.1.2 Principles of safety integration

All equipment with moving part (fans, pumps, motors, conveyors, mixers …)Actuators, dampers, valves, instruments …

Personal and mechanical damages due to uncorrect design and/or abnormal useAccess to instruments, actuators, equipment …

- Lay-out reviews for circulation inside the plant, access to instruments, actuators, equipment ...HAZOP studies- Equipment CE marking by sub-supplier + Machines Directive- Operating & maintenance instructions in dutch language for each equipment- Marking, labelling- Training

1.1.3 Materials and products

General design Yearly audit by Bureau Veritas of LAB SA for design and studies and control of sub-suppliers. Quality certificate ISO 9001 ver. S2000.

Steel structure and equipment in steel material Corrosion Steel structure calculations done by specialized companies + material products for steel (origin from European Community)

All products (liquids, solids) for operation of the plant: loading/unloading, use …) Personal damage

Safety data sheetTrainingMarking & labellingHAZOP studies

Sodium bicarbonate Personal damageLevel indicator & alarmFilterSafety valve on silo

Activated Carbon Personal damage, explosion

Activated carbon NORIT GL50 or SGL CARBON LINK (see safety datasheet in as-built documentation (DOE) section A 01 "safety")Level indicator & alarmFilterSafety valve on siloATEX classification

Glycol Personal damageSafety data sheetTrainingMarking & labelling

Hot water & steam Personal damage Safety valvesPED certificates for economizer, hot water piping, SCR steam heater

Lubricants/oil/grease Personal damagePacked in closed containersSafety datasheet Maintenance instructions

Oil for HV transformer + oil for silo extraction system Personal damage, flamable Retention tank

Ammonia Personal damage, environment damageDetector, alarms, safety valves, explosion discSafety datasheetRetention under tank and pumps and unloading area

Flue gas Personal damage & corrosion negative pressure; tightness requirements in technical specifications to sub-suppliers

Dust Personal damage & corrosion negative pressure; tightness requirements in technical specifications to sub-suppliers

Residue Personal damage & corrosionLevel indicator & alarmsFilterElectrical tracing

Nitrogen for inertisation of silos and fabric filter -For the record - Under OMRIN responsability

Gas for analyser -For the record - Under OMRIN responsability

Gaskets, sealing devices Asbestos or carcinogen ceramic fibers not allowed

Expansion joints, plastic, polymer material for valves… flamable Special precaution in case of welding…. By the clientSpecial care for internal lighting during inspection

Heat insulation Personnal damage Carcinogen ceramic fiber not allowed, refer to Technical SpecificationProtected by cladding

1.1.4 LightingNot applicable - OMRIN scope - No special LAB requirements1.1.5 Design of machinery to facilitate its handling

General maintenance of the plant Personal injuriesRefer to general instructions in maintenance manual: helmet + gloves + safety shoes are mandatory - Special clothes protection for operation inside specific equipment (silos, …)

General handling/lifting of equipment > 20 kg (contract) Equipment damage + personal injuries

Lifting lugs required in Technical SpecificationHinged man holeTests/inspections of lifting beamsMarking of lifting beams

Fan dismantling Equipment damage + personal injuries Special access, beam and procedure, refer to trainingCatalyst handling Equipment damage + personal injuries Special access, beam and procedure, refer to training1.1.6 Ergonomics

All equipment

Access review on layout done with OMRINFulfillment of contract (European Norms EN 389, 547-1, 614-1, 894-1 + Dutch laws) for space around equipment, height for access, staircases ….Thermal emission data supplied to OMRIN for design of the ventilation unitGlobal acoustic calculation for building definition by OMRIN

Manholes Minimum diameter for manholes 800mm + mounted on specific hinges when > 20kg

Control room Integration in a new OMRIN control roomControl System screen views approval by OMRIN

1.1.7 Operating positionsPersonal damage Escape routes discussed/agreed with OMRIN + local fire people

Ammonia injection : chemical risks Personal damage & corrosionRefer to above for alarms; Special dedicated devices as showers, eyes cleaning…Individual personal protection equipments required

Specific rooms (limestone room, analysers room) OMRIN scope1.1.8 SeatingNot applicable for onsite equipment1.2 CONTROL SYSTEMS1.2.1 Safety and reliability of control systemsPCS system requested by OMRIN : low availability and/or failure in operation Abnormal operation of the plant + high number of stops Availability guarantee by siemens / OMRIN

Sensitive operating measurements (temperature, pressure …) Damage of instruments + stop of the plant Installation of 3 instruments + operation on 2/3 according to SIL study

Instruments, valves, electrical cabinet damage due to environment Damage of equipment Specific protection class (IP54, IP55, IP65, ATEX) for instance depending on location/utilisation

1.2.2 Control devicesProgramming of PCS + start-up/stop conditions Damage of equipment + risks for operators Process risk analysis + LAB functional analysis1.2.3 StartingStart of each individual equipment Damage of equipment + risks for operators Local maintenance switches of the equipment with moving parts

Start of the plant through sequences / Error in programming Co-ordination with boiler (pre-ventilation sequences …), see interfaces in chapter 3

1.2.4 Stopping

Automatic stop of the plant (sequences) - Risk of damage of the plant Damage of equipment + operators risks Emergency devices (safety positions for fans, fabric fitler bypass, SCR bypass, safety valves …) / Operating manual

CE MARKING - RISK ANALYSIS ACCORDING TO EU MACHINERY DIRECTIVE CE/2006/42

1 / 3 10892EA00400-0

Page 3: 07A Risk Analysis EU Machinery Directive CE

ORIGIN AND KIND OF RISKS POTENTIAL CONSEQUENCES REMEDIES AND REFERENCESEmergency stop of the plant Definition and installation of local maintenance switches by electrical lot (ammonia, ID

fan, heat recovery pumps)Safety position of individual equipment during long stops Damage of equipment Sub-supplier operating manuals

Stoppage for maintenance or dismantling Equipment damage + personal injuries Electrical consignation on the MCC by the autorized operator and special procedureID Fan rotation by natural draft avoided by mechanical design (refer to training)

1.2.5 Selection of control or operating modesAutomatic control / operation of the plant Damage of the plant and of equipment Watch tours + cold/hot tests commissioning1.2.6 Failure of the power supply

Power black-out Damage of equipmentSensitive equipment on emergency dieselID Fan with emergency motor to maintain negative pressure in the flue gas cleaning + automatic start"Live" black-out tests during commissioning

1.3 PROTECTION AGAINST MECHANICAL HAZARDS1.3.1 Risk of loss of stability

Breakdown due to bad installation Damage of equipment + risk for operatorsRefer to risk analysis, maintenance and operating manual of elements by suppliersIntegration of equipment in Steel structureSteel structure calculations done by a specialized company according to dutch norms

1.3.2 Risk of break-up during operation

Breakdown following operation Damage of equipment + stop of the plant

Mechanical calculation notes for vessels, piping…. including stress analysisExpansion joint for thermal displacements avoiding unacceptable stress Installation of anti-whip cable on nitrogen flexiblesQuality Control during fabrication and erection, for material, thickness, welding...Operating manual + maintenance manual

1.3.3 Risks due to falling or ejected objects

Falling of objects Damage of equipment + risk for operators

Cleaning of the plant and general plant instructions by OMRINSpecific retentionsHand rail, foot plates on structureHinged doors on the top of access ladders….Internal vessels device in case of internal inspection or maintenanceNo quick and easy release devices for vessels door opening; only bolting, requiring tools

Ejected objects: not applicable1.3.4 Risks due to surfaces, edges or angles

Edges and angles Risk for operators Design + inspectionsGrinding of edges and angles if risk of injury

Height / Header Risk for operators Fulfillment of contract (2.3 m. minimum)Helmet mandatory

1.3.5 Risks related to combined machineryNot applicable1.3.6 Risks related to variations in operating conditions

Stop of the plant Damage of equipment + loss of operationLarge operating range according to the contractAutomatic control of process parameters, alarm and automatic actions in case of emergency or running out of the designed operating range

1.3.7 Risks related to moving parts

Rotating machines, electrical motors, fans and pumpsautomatic valves and dampers, actuatorsRappers and vibrators

Risk for operatorsPersonal injuries

Protection for moving parts (fans, pumps …)CE marking and corresponding devices by sub-suppliers (as for pumps, fan, dampers, screws …)Mechanical locking of the flue gas dampers

1.3.8 Choice of protection agains risks arising from moving partsSee 1.3.71.3.9 Risks of uncontrolled movements

Abnormal stop Damage of equipmentSafety positions of valves/dampers and air buffer tanks in case of loss of power and loss of instrument air.Refer to § 1.2.4 stoppage for maintenance or dismantling

1.4 REQUIRED CHARACTERISTICS OF GUARDS AND PROTECTIVE DEVICES1.4.1 General requirements

Design & installation of protective devices by OMRIN

Process risks definition in risk analysis, maintenance and operating manuals, refer to §1.3.7Vessels and ducts are calculated according to normal and exceptionnal pressure and temperature conditions.Piping support are calculated according to weight and flexibility if relevantPressure vessels are designed and made according to PED, safety valves are installed accordinglyPumps are designed and tested according to official rules and standards.Volumetric pumps are equiped with discharge valves (NH3) connected to the suction sideEquipments are attached to steel structure or concrete plinths with bolts, anchorages...

1.4.2 Special requirements for guards

Refer to equipment documents provided by supplier and operating manual Procedures / operating manual

1.4.3 Special requirements for protective devices

Refer to equipment documents provided by supplier and operating manual Procedures / operating manual

1.5 RISKS DUE TO OTHER HAZARDS1.5.1 Electricity supply

High voltage, transfo, electrical cabinets Damage of equipmentDirective CE/73/23 in LAB contract to sub-suppliers (calculation of cables …)Automatic grounding devicedefinition of isolation class IP

1.5.2 Static electricity

Earthing systemElectrical continuity for ductsEarthing of consumers and steel structure and pneumatic transport pipeESP specific earthing for high voltage unit

1.5.3 Energy supply other than electricitypneumatic system under pressure Personal injuries discharge of air tank before intervention on equipmenthydraulic system under pressure Personal injuries refer to supplier operating and maintenance manual1.5.4 Assembly errorshandling of catalyst modules with handling beam : end stop not mounted on handling beam personal injuries / material damage refer to maintenance manual for handling beam assembly : end stop must be

mounted at the extremity of the handling beam1.5.5 Extreme temperatures

Thermal equipment (ducts, piping, heat exchangers …) Damage of equipment / damage of downstream equipment / damage of steel structure / personal damage

Insulation, personnel protection …No possibility of entrance in the vessels without voluntary action.Heat insulation is only removable by unscrewing the cladding.Thermal swhitches in case of too high temperature on electrical heaters or heat tracing

Material resistance Damage on equipment All materials are conformed to standards DIN1.5.6 FireDesign of the plant / lay-out Personal injuries No dead-end area in the plant

Activated carbon storage, spent sorbent storage and fabric filter hoppers Personal injuries Silos and fabric filter hoppers are equipped with nitrogen injection (nitrogen released on temperature alarm)

Erection / maintenance Damage / Personal injuries Hot works permit for all works with hotspots close to flamable products + marking of the area

Checking of electrical tracing Personal injuries Procedures / operating & maintenance manuals

2 / 3 10892EA00400-0

Page 4: 07A Risk Analysis EU Machinery Directive CE

ORIGIN AND KIND OF RISKS POTENTIAL CONSEQUENCES REMEDIES AND REFERENCESShowers, fire extinguishers in OMRIN scope Safety datasheet and lay out transmitted by LAB (for dangerous product identification

and location)1.5.7 ExplosionActivated carbon Damage / Personal injuries Refer to ATEX study1.5.8 Noise

All equipment Personal injuriesMax. 80 dB(A) at 1 m. for each single equipment Grinders (90dB(A)) in specific roomProtective devices for some specific equipment (ID fan motors …)

Outside noise generated by the plant (stack) Process silencer downstream the ID fan1.5.9 Vibrations

All equipment Equipment damage + personal injuries OMRIN contractual requirements to all sub-suppliersLAB contractual requirement to all sub-suppliers to avoid any resonance mode

Fans Equipment damage Specific vibration controls for ID fan1.5.10 Radiation

presence of electromagnetism, no ionizing sources, no X-ray interferences between equipment, equipment damage or malfunction equipment complies with EMC (European Electro Magnetic compatibility)

1.5.11 External radiationNot applicable1.5.12 Laser radiationNot applicable1.5.13 Emissions of hazardous materials and substances

All equipment Equipment damage + personal injuriesFlue gas cleaning line is underpressureWatch tours (check for leaks)Concrete basin for ammonia solution

Reagent injection (activated carbon, bicarbonate), ammonia injection and residue conveying Personal injuries Watch tours (check for leaks)

Drains Personal injuries Drains connected to gutters/pit - instruments drains plug when dangerous1.5.14 Risk of being trapped in a machineHeavy equipment Personal injuries and death Special procedure for heavy maintenance by OMRIN (works permit)1.5.15 Risk of slipping, tripping or falling

Steel structure Personal injuries

Handrails + safety ladders for steel structure - anti-slip gratingsinstallation of adequate gratingwhen opening manholes (ESP / fabric filter) or intervention on residue equipment : installation of chequered plates on the grating below the equipment

Instrument/equipment Personal injuries Design with fixed access to all instruments/equipment (approved by OMRIN during lay-out meetings)

All heavy and big equipment Personal injuries Use of scaffoldings during long stops for internal inspection or external access 1.5.16 LightningNot applicable (OMRIN scope)

Lightning during erection Personal injuries and death

Earthing in operation at end of civil worksComplete earthing system for equipment, steel structure and pipes of pneumatic transportChecking of weather conditions by site manager

1.6 MAINTENANCE1.6.1 Machinery maintenance (except equipment internal inspection)

Plant Equipment damage / breaking Preventive maintenance listGreasing points are accessible, with extension if necessary

All equipment Maintenance manual for each equipment and for the entire FGT1.6.2 Access to operating positions and servicing pointsDesign Help for operators Access to instruments/equipment1.6.3 Isolation of energy sources

All equipment Isolation of each equipment for maintenance from electrical room or local maintenance switch, with dedicated instructions for electrical locking

1.6.4 Operator intervention

PlantScreen views in control room with relevant parametersLocal indicator to be checked during watch tourAccess to manual valves or dampers and to instruments

1.6.5 Cleaning of internal parts

Plant

Equipment are designed to avoid internal maintenance (slopes, flush weld) and when necessary rappers are installedEquipment internal is only accessible during plant stoppage Procedure for works in confined spaces

1.7.1 Information and warnings on the machinery

All equipment Mistakes resulting in equipment damages and personal injuries

Specific instructions / warnings on sensitive equipment :- sound and light for ammonia- marking during handling and maintenance operationLabelling of each equipmentMarking with colour code of pipes / channelsTraining of operators by LAB

1.7.2 Warning of residual risks

Plant Mistakes resulting in equipment damages and personal injuriesPosition of local maintenance switches (emergency stops) by OMRINAlarms & horns for ammoniaNitrogen injection in activated carbon

1.7.3 Marking of machinery

All equipment Mistakes resulting in equipment damages and personal injuries

CE markingSub-suppliers platesMarking / labelling : - KKS tags- ATEX specific marking- High voltage specific marking- For the running beams, the checking is realized by approved certification body during acceptance tests for the related lifting devicesOperating and maintenance instructions

Flue gas cleaning Mistakes resulting in equipment damages and personal injuries CE conformity certificate (integration)Risk analysis according to EU Machinery Directive 2006_42

1.7.4 Instructions

Plant

LAB as-built documentation including drawings, PID, data sheets, test reports, structure and PED calculation notes, training manual, operating manual with watch tour lists, trouble shouting analysis, process parameters for control and alarms, maintenance documentation, spare parts list, safety data-sheets …Risk analysis and HAZOP with OMRINIntegration of LAB's information in OMRIN documents

1.7 INFORMATION : the LAB flue gas treatment and its equipments are ‘partly completed machinery’ within the meaning of the machinery directive CE/2006/42. As such, the marking is not required, the following have to be supplied : - the assembling instructions described in appendix VI, if required- the instruction manual in accordance with appendix I, § 1,7,4- the declaration of incorporation of partly completed machinery in accordance with appendix II, part 1 B

3 / 3 10892EA00400-0

Page 5: 07A Risk Analysis EU Machinery Directive CE

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ESP 10892SA11101 ELEX 10892NA11101-102-111-123-151-141 ELEX

Checking visit of the ESP XLAB-LOOPMounting/Dismantling reagent injection lances XLAB-LOOP cleaning XFabric filter 10892SA14001 LAB 10892NA14001 LABBag replacement X

Gas Heat exchanger10892NA25110-111

10892NA2511110892NA25411

GEAROSINKROSINK

Intervention or check inside heat exchanger XDeNOx reactor 10892NA30201

10892NA30202 BASF

Intervention inside the DeNOx reactor for cleaning or sampling XCatalyst replacement XIDfan 10892NA31111-112-114-115-116 POLLRICHChecking visit of fans XMounting / dismantling of fan driving wheel and motor XSilencer 10892NA32101 AD INGENIERIEMounting / Dismantling of the silencer XFG ductFlue gas ducts checking XStack 10892NA35121 STEELCONStack checking X

Fans (preheating / sealing air / activated carbon injection) and battery

10892NA1440010892NA31112-212

10892NA3131510892NA31311-312-

10892NA40721

JEANNOTPOLLRICHJEANNOTREITZ

Removal / replacement of fan motor/wheel or battery XCheking visit of the fabric filter and DeNOx preheating and sealing system and of activated carbon injection systems X

Dampers 10892NA2311110892NA23112 ESSCANO

Handling of a damper X

Reagents silo10892NA1720110892NA1720210892NA40401

WAM

Activated carbon or Bicarbonate Unloading XChanging bag filter on silo XSilo inspection XNH4OH installation 10892QA40114 PCVS PCVSChecking visit of ammonia installation XNH4OH Unloading XNH4OH tank draining XTank inspection XResidue silo 10892SA17201 MORILLON 10892NA17303-304-305-306

10892NA17201-17202-40401MORILLONWAM

Residue loading XChanging bag filter on silo XResidue silo inspection X

Reagent dosing system 10892SA40520 SODIMATE10892NA40520-521-522-523-524-

531-532-53310892NA40401

SODIMATE

WAMChecking visit of the reagent dosing system XRemove / replace of the system motor-screw XGrinders and injection fans 10892SA40811 GTS 10892NA40812-814-815-816 GTSWatching visit of the grinders XCleaning of grinder chamber and injection fan XRemoval / replacement of fan or grinder motor/wheel/selector XWater pumps (boosters / circulation) 10892NA26411-412

10892NA26512-513-514KSBSALMSON

Watching visit of different pumps XMounting/Dismantling of pumps with their motors XNH4OH pumps 10892NA26401-412

10892NA26211-212-213KSBLEWA

Checking visit of the unloading/injection pumps XRemoval/replacement of the ammonia motor/pump XNH4OH injectionChecking visit of the ammonia injection XHot piping 10892QA27550-560 SNZ 10892NA25611 SNZ

GEAMounting/Dismantling hot piping X

Residue Mechanical transports 10892SA17201 STAG10892NA11121-122-123

10892NA17601-602-603-604-606-607-619-620-631-632-633

ELEXSTAGSTAG

Checking visit of the mechanical transport equipment XMounting / dismantling of the mechanical transport equipment XResidue Pneumatic transport 10892NA17601-602-605-609-673 STAGInspection of pneumatic transport equipment X

Instrument10892NA29111-113-114-115-116-

10892NA2915110892NA29130-131-132…

WIKAKHRONEENDRESS HAUSER…

Checking visit of the instruments X

Valve & components10892NA28450-451-460 to 467

10892NA28470-480-49010892NA26516…

AVSSALMSON…

Checking visit of the valves and accessories X

Electrical tracing & insulation10892NA24311-312

10892NA1761210892NA11312

TRACE TECSTAGELEX

Checking visit of an equipment equipped with electrical tracing XRemoval of insulation for equipment inspection X

1 / 1 10892EA00400-0

Page 6: 07A Risk Analysis EU Machinery Directive CE

MLS : during operation Frequency :

P S P S

Rotation of the fan axis ESP roof

Working nearby the rotating part

Contact with the rotating part.Injury

B 3Removal of the dangerous phenomenon : obstacle / rotating parts

Make sure that protections supplied by the manufacturer are installed before intervention Trapdoors closed.Follow the instructions of the O&M manual (Lab & manufacturer)

A 1

high voltage Working nearby electrical circuit

Contact with conductor under voltage.Electrical shock

B 4 Removal of the dangerous phenomenon

Follow the instructions of the O&M manual (Lab & manufacturer) A 1

Noise Working nearby the noise source auditory risks C 3 Removal of the

dangerous phenomenon

Insulation of the system. Follow the instructions of the O&M manual (Lab & manufacturer)

B 2

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in ELEX as built documentation references 10892SA11101 10892NA11101-102-111-123-151-141

1Visual and audio check

of the ESP during operation

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

N° Identification Hazard hazardous situation

dangerous event, possible damage

On what component we have to act MeansInitial residual

The ESP is used to separate the main part of dust from the flue gasThe intervention consists in checking the good functioning of the ESP

TASK Nr Checking visit of the ESP Daily

MLS : Machine life step Frequency of the task P= probability of occurrence Means

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Specific part : ESP - 1 / 1 10892EA00400-0

Page 7: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

Leak of reagentWorking nearby the reagent injection

Contact with the reagent : corrosive effect C 3 A 1

Hot temperature of the lances

Working nearby the reagent injection

Contact the hot lances C 3 A 1

2 Handling the pipe with the lance Suspended equipment Presence under

the load Fall of the load : injury B 4

Removal of the dangerous phenomenon:Make sure nobody is present under the load

Certified handling/lifting equipments. Handling by authorized operators. Marking area and banning access under the load. Follow the instructions of the O&M manual (LAB & manufacturer)

A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

TASK Nr Mounting/Dismantling reagent injection lances MLS : mounting/dismantling Annual

The reagent injection lances are designed to inject reagents (activated carbon and bicarbonate) from pneumatic transport in the LAB-LOOPThe intervention consists in disconnecting the piping with the lances

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

N° Identification Hazard hazardous situation résidual

dangerous event, possible damage

On what component we have to act MeansInitial

MLS : Machine life step Frequency of the task P= probability of occurrence Means

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

1 Connection / disconnection of the hose

Installation of means to avoid damages

Wear PPE. Follow the instructions of the O&M manual (Lab & manufacturer)

Specific part : LABLOOP - 1 / 2 10892EA00400-0

Page 8: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

Contact with reagent Working nearby reagent deposits

Contact with the reagent : corrosive effect C 3 Removal of the

dangerous phenomenon Wear PPE : goggles / gloves / boots / mask / safety helmet A 1

Hot temperature of the LAB-LOOP

Work in an equipment where gas are usually at

200°C

Contact the hot equipment C 3 Removal of the

dangerous phenomenon

Respect of procedures before intervention : Intervention of minimum two persons entiltled and wear PPECheck of IDfan stop, equipment correct venting and equipment inside temperature before manhole opening

A 1

Contact with reagent Working nearby reagent deposits

Contact with the reagent : corrosive effect C 3 Removal of the

dangerous phenomenon Wear PPE : goggles / gloves / boots / mask / safety helmet A 1

Hot temperature of the LAB-LOOP

Work in an equipment where gas are usually at

200°C

Contact the hot equipment C 3 Removal of the

dangerous phenomenon

Respect of procedures before intervention : Intervention of minimum two persons entiltled and wear PPECheck of IDfan stop, equipment correct venting and equipment inside temperature before manhole opening

A 1

Baffles are located overhead in the LAB-LOOP

Overhead job People falling : injury / death of the people B 4 Removal of the

dangerous phenomenonRespect of procedures (in particular for scaffolding)wear PPE A 1

Contact with reagent Working nearby reagent deposits

Contact with the reagent : corrosive effect C 3 Removal of the

dangerous phenomenon Wear PPE : goggles / gloves / boots / mask / safety helmet A 1

Hot temperature of the LAB-LOOP

Work in an equipment where gas are usually at

200°C

Contact the hot equipment C 3 Removal of the

dangerous phenomenon

Respect of procedures before intervention : Intervention of minimum two persons entiltled and wear PPECheck of IDfan stop, equipment correct venting and equipment inside temperature before manhole opening

A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

TASK Nr LAB-LOOP cleaning MLS : maintenance Annual

The LAB-LOOP is designed to ensure contact between flue gas and reagentsinjectedThe intervention consists in cleaning the LAB-LOOP by opening the manhole at the bottom

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

N° Identification Hazard hazardous situation résidual

dangerous event, possible damage

On what component we have to act MeansInitial

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

MLS : Machine life step Frequency of the task P= probability of occurrence Means

Visual inpection inside of the LAB-LOOP1

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

2 Cleaning of the bottom of the LAB-LOOP

3 Cleaning of the baffles plates in the LAB-LOOP

Specific part : LABLOOP - 2 / 2 10892EA00400-0

Page 9: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

1

This intervention consists in replacing one of the bags in one fabric filter cell

See risk analysis for overhead crane

utilisation

Frequency :

P S P S

1 Manholes opening on hoppers Residue spillage

Work below the platform at

hopper levelContact with hot residue C 3 Removal of the

dangerous phenomenonWhen opening the manhole on hopper, installation of chequered plates on the grating below the manhole A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in LAB as built documentation references 10892SA14001 10892NA14001

The fabric filter is used to capture dusts contained in the flue gas and is the place of chemical reaction with reagents injected in the LAB-LOOP

OPERATION

TASK Nr Bag replacement MLS : maintenance Exceptional

COMPONENT OF THE RISK PREVENTIVE MEASURE

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

MLS : Machine life step Frequency of the task P= probability of occurrence Means

N° Identification Hazard hazardous situation residual

dangerous event, possible damage

On what component we have to act MeansInitial

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

The fabric filter is used to capture dusts contained in the flue gas and is the place of chemical reaction with reagents injected in the LAB-LOOPThis intervention consists in opening the hopper manhole

TASK Nr Intervention on hopper MLS : maintenance Annual

N° Identification Hazard hazardous situation residual

dangerous event, possible damage

On what component we have to act MeansInitial

Specific part : Fabric filter - 1 / 1 10892EA00400-0

Page 10: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

1 Removal of insulation

Presence of mineral fiber in suspension

Breathing of these mineral fibers in suspension

Chemical riskBreathing problems C 2 Removal of the dangerous

phenomenon Wear PPE : goggles / gloves / boots / mask / safety helmet A 1

Slide.Fall Injury C 3 Removal of the dangerous

phenomenon

contact with dusts breathing problems C 2 Removal of the dangerous phenomenon

Hot equipment due to gas circulating inside

Work in an equipment where gas are usually at 200°C

Contact with hot equipment and hot gas

C 3 Removal of the dangerous phenomenon A 1

Doors and access handling

Uncorrect handling Operator falling C 3 Removal of the dangerous

phenomenonDoors with hinges easily handlingfastener hook for harness A 1

Opening of the internal manholeintervention in a dead-end area

Manhole closing, person enclosed isnide the heat exchanger

B 4 Removal of the dangerous phenomenon

Intervention by authorized operators.Respect the specific procedures of work in confined area (ventilation, atmosphere control, temperature…).Follow the instructions of the O&M manual (Lab & manufacturer).

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in GEA�ROSINK�ROSINK as built documentation references 10892NA25110-111�10892NA25111�10892NA25411

2 Intervention in the exchanger

Presence into the Heat exchanger

Intervention by authorized operators.Wear PPE (goggles / gloves / boots / mask / safety helmet and body harness)Respect the specific procedures of work in confined area (ventilation, atmosphere control, temperature…).Follow the instructions of the O&M manual (Lab & manufacturer).Check of IDfan stop, equipment correct venting and equipment inside temperature before opening manhole

Access inside the exchanger hoppers

PREVENTIVE MEASUREdangerous event, possible damage

On what component we have to actInitialN° Identification Hazard hazardous

situation

AnnualMLS : maintenance

The gas/gas and steam/gas heat exchangers is used to heat flue gas before entering the catalystThe condensate water/gas heat exchanger is used to transfer heat recovered from flue gas

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

residualMeans

A 1

Means

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

TASK Nr Intervention or check inside heat exchanger

OPERATION COMPONENT OF THE RISK

MLS : Machine life step Frequency of the task P= probability of occurrence

A : UnlikelyB : UncommonC : CasualD : highly

Specific part : Gas heat Exchanger - 1 / 1 10892EA00400-0

Page 11: 07A Risk Analysis EU Machinery Directive CE

MLS : maintenance Frequency :

P S P S

Hot equipment because of hot gases passing through the reactor

Work in a equipment where 250°C gases have circulated

Contact with hot equipments : burning. C 3 Removal of the

dangerous phenomenon

Temperature control.Specific tools needed to open the manholes.Wear PPE.Isolation of NH4OH pumps.Intervention by two authorized operators.Stop the ID fan during intervention.Stop the steam circulation in the steam/gas heat exchangerRespect the specific procedures of work in confined area (ventilation, atmosphere control…). Follow the instructions of the O&M manual (Lab & manufacturer).

A 1

Chemical products and dust on catalyst modules

work nearby the catalyst modules

Contact with chemical product and dusts : chemical injury, breathing problem

C 2 Removal of the dangerous phenomenon

Wear PPE (goggles / gloves / boots / dust mask / safety helmet) Follow the instructions of the O&M manual (Lab & manufacturer). A 1

Access to the top of the hopper

Doors and access handling

Uncorrect handling. Operator falling C 2 Removal of the

dangerous phenomenon

Doors easy to handle.Harness hook.Specific tools needed to open the manholes.Follow the instructions of the O&M manual (Lab & manufacturer).

A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

MLS : Machine life step Frequency of the task P= probability of occurrence Means

residual

1 Intervention in the reactor

N° Identification Hazard hazardous situation

dangerous event, possible damage

On what component we have to act MeansInitial

The SCR reactor is composed of modules of catalysts to treat chemical pollutantsThe intervention consists in cleaning the top of the modules or taking the catalyst samples

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

TASK Nr Intervention inside the SCR reactor for cleaning or sampling annual

Specific part : SCR reactor - 1 / 2 10892EA00400-0

Page 12: 07A Risk Analysis EU Machinery Directive CE

MLS : maintenance Frequency :

P S P S

1

Mounting and dismantling of SCR reactor doors / catalyst modules

Suspended load Presence under the load

Falling down of the loadCrushing of operator B 4

Removal of the dangerous part : Make sure nobody is present under the load

Certified handling/lifting equipments.Intervention by authorized operators.Area marking and banning access under the loadFollow the instructions of O&M manual (Lab & manufacturer). Wear PPE

A 1

Hot equipements because of circulating flue gas

Working in a duct where hot gases are circulating

Contact with hot equipments and hot gases

Presence in the reactor presence of dusts Sliding, falling : Injury

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis in BASF as built documentation reference 10892NA30201�10892NA30202

1Removal of the dangerous phenomenonC 3

Intervention in the SCR reactor to replace the catalyst

2

Respect of the specific procedures of work in confined area (ventilation, atmosphere control…).Verification of the equipment correct ventilation and of the temperature in the equipment before opening the manhole.Follow the instructions of the O&M manual (Lab & manufacturer)

A

residualdangerous event, possible damage

On what component we have to act MeansInitialN° Identification Hazard hazardous

situation

The SCR reactor is composed of modules of catalysts to treat chemical pollutants This intervention consists in replacing the catalysts modules

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

MLS : Machine life step Frequency of the task P= probability of occurrence Means

TASK Nr Catalyst replacement exceptional

Specific part : SCR reactor - 2 / 2 10892EA00400-0

Page 13: 07A Risk Analysis EU Machinery Directive CE

MLS : during operation Frequency :

P S P S

Rotation of the fan axis Working nearby the rotating part

Contact with the rotating part.Injury

B 3Removal of the dangerous phenomenon : obstacle / rotating parts

Make sure that protector supplied by the manufacturer are installed before intervention Trapdoors closed.Follow the instructions of the O&M manual (Lab & manufacturer)

A 1

Conductor under voltage Working nearby electrical circuit

Contact with conductor under voltage.Electrical shock

B 4 Removal of the dangerous phenomenon

No bare conductor under voltageFollow the instructions of the O&M manual (Lab & manufacturer) A 1

Noise, heat Working nearby the noise source

auditory and burning risks C 3 Removal of the

dangerous phenomenon

Insulation of the system. Wear of PPE (ear plugs or other hearing protection) Follow the instructions of the O&M manual (Lab & manufacturer)

B 2

1 : Insignificant2 : Limited3 : Serious4 : Fatal

Check of the fan during operation : visual checking, audio

checking and vibration measurements

1

Installation :� During operation� Maintenance� Mounting/Dismantling

residualdangerous event, possible damage

On what component we have to act MeansInitialN° Identification Hazard hazardous

situation

The ID fan is used to drive the flue gas from the silencer to the stack.The preheating fan is used to preheat the SCR reactor.The intervention consists in checking the good functioning of the fans

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

TASK Nr Checking visit of fans Daily

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Specific part : IDfan - 1 / 2 10892EA00400-0

Page 14: 07A Risk Analysis EU Machinery Directive CE

MLS : maintenance Frequency :

P S P S

Rotation of the fan axis Working nearby the rotating part

Contact with the rotating part.Injury

B 3

Removal of the dangerous part : electrical isolation of the motor

Disconnecting switch with padlock in general low voltage panels or local panelManufacturer protection.Coupling replacement ensured by authorized operators.Follow the instructions of the O&M manual (Lab & manufacturer)

A 1

Rotation of the fan axis by natural draught

Working nearby the rotating part

Contact with the rotating part.Injury

B 4 Removal of the dangerous phenomenon

This operation can only be done at complete stop of the wheel and with security signalling of the dangerIf the Idfan motor running feedback is not obtained, the upstream dampers can be manually closed to avoid rotation of the wheel by natural draught

Part of the fan suspended Presence under the load

Fall of the load.Crushing of operator C 4

Removal of the dangerous part : Make sure nobody is present under the load

Certified handling/lifting equipments.Intervention by authorized operators.Area marking and banning access under the load. Follow the instructions of O&M manual (Lab & manufacturer). Wear PPE

B 1

Rotation of the fan axis by natural draught

Working nearby the rotating part

Contact with the rotating part.Injury

B 4 Removal the dangerous phenomenon

This operation can only be done at complete stop of the wheel and with security signalling of the dangerIf the Idfan motor running feedback is not obtained, the upstream dampers can be manually closed to avoid rotation of the wheel by natural draught

A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in POLLRICH as built documentation references 10892NA31111-112-114-115-116

Connection / disconnection of the fan motor

OPERATION

TASK Nr

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

N° Identification Hazard hazardous situation

MLS : Machine life step

2

The operators are handling parts of fan (cleaning, lubricating, driving wheel replacement)

1

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Frequency of the task P= probability of occurrence Means

residualdangerous event, possible damage

On what component we have to act MeansInitial

COMPONENT OF THE RISK PREVENTIVE MEASURE

The ID fan is used to drive the flue gas from the silencer to the stack.The preheating fan is used to preheat the SCR reactor.The intervention consists in removing then replacing the fans

Mounting / dismantling of fan driving wheel and motor Exceptional

Specific part : IDfan - 2 / 2 10892EA00400-0

Page 15: 07A Risk Analysis EU Machinery Directive CE

MLS : maintenance Frequency :

P S P S

1

The operators are handling the silencer : baffles cleaning or replacement requires to lift down to the ground the complete silencer

Silencer suspended Presence under the load

Fall of the load.Crushing of operator C 4

Removal of the dangerous part : Make sure nobody is present under the load

Certified Handling/lifting equipments.Intervention by authorized operators.Area marking and banning access under the loadFollow the instructions of the O&M manual (Lab & manufacturer). Wear PPE and body harness.

A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in AD INGENIERIE as built documentation references 10892NA32101

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Hazard hazardous situation

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

PREVENTIVE MEASURE

MLS : Machine life step Frequency of the task P= probability of occurrence Means

On what component we have to act MeansInitialN° Identification residual

dangerous event, possible damage

TASK Nr Mounting / Dismantling of the silencer Exceptional

The intervention consists in removing and then replacing the silencer (no possibility to remove the baffles without removing the whole silencer)

OPERATION COMPONENT OF THE RISK

Specific part : Silencer - 1 / 1 10892EA00400-0

Page 16: 07A Risk Analysis EU Machinery Directive CE

MLS : maintenance Frequency :

P S P S

1 Visual verification of the ducts good conditions Presence in the duct

Slide.Fall.Presence of untreated flue gas

Injury.Chemical risks (Breathing problems…).

B 3 Removal of the dangerous phenomenon

Intervention by two authorized operators.Venting flue gas with air before any intervention.Flue gas treatment stopped and cooled (ID fan stopped).Adequate scaffolding.Prohibition on being in the duct during the handling of dampers.Dampers mechanically blockedWear PPE and body harness, check of temperatureRespect the specific procedures of work in confined area (ventilation, atmosphere control…).Follow the instructions of the O&M manual (Lab & manufacturer)

A 2

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Hazard hazardous situation

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

PREVENTIVE MEASURE

MLS : Machine life step Frequency of the task P= probability of occurrence Means

On what component we have to act MeansInitialN° Identification residual

dangerous event, possible damage

TASK Nr Flue gas ducts checking Annual

Flue gas ducts are used in the whole installation to transport flue gas from an equipment to anotherOPERATION COMPONENT OF THE RISK

Specific part : FG duct - 1 / 1 10892EA00400-0

Page 17: 07A Risk Analysis EU Machinery Directive CE

MLS : maintenance Frequency :

P S P S

1 Visual verification of the ducts good conditions Presence in the duct

Slide.Fall.Presence of untreated flue gas

Injury.Chemical risks (Breathing problems…).

B 3 Removal of the dangerous phenomenon

Intervention by two authorized operators.Venting flue gas with air before any intervention.Flue gas treatment stopped and cooled (ID fan stopped).Adequate scaffolding.Prohibition on being in the duct during the handling of dampers.Wear PPE and body h

A 2

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in STEELCON as built documentation references 10892NA35121

The outside stack evacuate the clean flue gas OPERATION COMPONENT OF THE RISK

TASK Nr Stack checking Exceptional

N° Identification residualdangerous event, possible damage

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

PREVENTIVE MEASURE

MLS : Machine life step Frequency of the task P= probability of occurrence Means

On what component we have to act MeansInitial

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Hazard hazardous situation

Specific part : stack - 1 / 1 10892EA00400-0

Page 18: 07A Risk Analysis EU Machinery Directive CE

MLS : maintenance Frequency :

P S P S

Rotation of the fan shaftWork nearby

rotating equipment

Contact with rotating part of the fan - Injury B 3

Removal of the dangerous phenomenon:

electrical motor locked out

Disconnecting switch with padlock in general low voltage panels or local panel A 1

Conductor under electric potential

Work on the fan or battery electrical part

Contact with conductor under voltage - electrical

shockB 4

Removal of the dangerous phenomenon:

electrical motor and battery locked out

Disconnecting switch with padlock in general low voltage panels or local panel A 1

2One or more operators

lift and handle part of the fan or battery

Part of fan or battery overhanging

Presence under the load

Falling down of the loadCrushing of operator C 4

Removal of the dangerous phenomenon

Make sure nobody is present under the load

Adequate lifting device(Overhead crane foreseen for equipment handling)

Handling by trained people

Area marking and forbidden access under the load

A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

TASK Nr Removal / replacement of fan motor/wheel or battery Exceptional

Fabric filter preheating is ensured by preheating battery and fanDeNOx and fabric filter sealing air injection are ensured by sealing air batteries and fansActivated carbon transport is ensured by air transport fanThis intervention consists in removing and replacing part of fan or battery

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

InitialN° Identification Hazard hazardous situation residual

1Electrical connection / disconnection of fan

motor or battery

dangerous event, possible damage

On what component we have to act Means

MLS : Machine life step Frequency of the task P= probability of occurrence Means

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Specific part : fans & battery - 1 / 2 10892EA00400-0

Page 19: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

Rotation of the fan shaftWork nearby

rotating equipment

Contact with rotating part of the fan - Injury B 3

Removal of the dangerous phenomenon: obstacle / rotating parts

Make sure that protector supplied by the manufacturer are installed before intervention

Trap doors closed

A 1

Conductor under electric potential

Work nearby electric cirucit

Contact with conductor under voltage - electrical

shockB 4 Removal of the

dangerous phenomenon No barre conductor under voltage A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in JEANNOT�POLLRICH�JEANNOT�REITZ as built documentation references 10892NA14400�10892NA31112-212�10892NA31315�10892NA31311-312-10892NA40721

TASK Nr

Cheking visit of the fabric filter and DeNOx preheating and sealing system

and of activated carbon injection systems

MLS : during operation Daily

Fabric filter preheating is ensured by preheating battery and fansDeNOx and fabric filter sealing air injection are ensured by sealing air batteries and fansActivated carbon transport is ensured by air transport fanThis intervention consists in checking the correct functioning of the fans

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

InitialN° Identification Hazard hazardous situation residual

1 Visual and audio check of the functioning

MLS : Machine life step Frequency of the task P= probability of occurrence Means

dangerous event, possible damage

On what component we have to act Means

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Specific part : fans & battery - 2 / 2 10892EA00400-0

Page 20: 07A Risk Analysis EU Machinery Directive CE

MLS : maintenance Frequency :

P S P S

prohibition on being in the duct during the handling of the damper.Intervention by two authorized operators.Wear PPE. Follow the instructions of the O&M manual (Lab & manufacturer)Presence of limit switch (open/closed).Damper machanically lockedFollow the instructions of the O&M manual (Lab & manufacturer)

2 Handling of the damperHot equipements

because of circulating flue gas

Hot equipmentContact with hot equipments and hot gases

C 3 Removal of the dangerous phenomenon

Stop of the IDFanWear PPEWait for complete cooling (transmitted temperature measurement) Follow the instructions of the O&M manual (Lab & manufacturer)

A 1

3 Handling of the damper Part of the damper suspended

Presence under the load

Falling down of the loadCrushing of operator C 4

Removal of the dangerous phenomenon: Make sure nobody is present under the load

Certified handling/lifting equipments. Handling by authorized operators. Marking area and banning access under the loadFollow the instructions of the O&M manual (Lab & manufacturer)

A 1

4 Handling of the damper Proximity with the air tanks : pressurized tank

Quick release of air from tank or hose

hose whiping : operator injury C 3 Removal the dangerous

phenomenon

CE certificate by the supplier.Pressure Equipment Directive (PED) standardized.Wear PPE.Air tank discharge before maintenanceFollow the instructions of the O&M manual (Lab & manufacturer)

A 2

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in ESSCANO as built documentation references 10892NA23111�10892NA23112

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

1

MLS : Machine life step Frequency of the task P= probability of occurrence Means

residual

1 Visual verification of the damper during operation

Uncontrolled movement of the damper

Checking of the damper position

Fall of the operator. Injury. Presence of chemical substance

B 4 Removal of the dangerous phenomenon B

dangerous event, possible damage

On what component we have to act MeansInitialN° Identification Hazard hazardous

situation

Dampers, by isolation of ducts, allow partial FGT bypassthis intervention consists in removing/replacing one damper

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

TASK Nr Handling of a damper Exceptional

Specific part : Dampers - 1 / 1 10892EA00400-0

Page 21: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

Auto inflammation and explosion of activated carbon

Working nearby the activated carbon silo

Explosion of the silo.Explosion of the truck.Injury of operators

B 4Removal of the dangerous phenomenon

Avoid the sparks caused by static electricity loads. Earthing of the truck.Respect the product used (Activated carbon) and ban all other products.Keep the installation clean.Automatic silo inerting when hot temperatures are detected.Follow the instructions of the O&M manual (Lab & manufacturer)

A 1

Silo overflowingWorking nearby the activated carbon silo

Excessive pressure in the silo B 3

Removal of the dangerous phenomenon

Redundancy of security equipements for high level.Presence of safety valves (pressure/depression) on the roof.Indication on the local panel of high level reached + shut off valveAn alarm is set off when silo high level is reached.Follow the instructions of the O&M manual (Lab & manufacturer)

A 1

2 Operations on the reagent silos

Static electricity generated

Working on one reagent silo Electrical shock B 4

Removal of the dangerous phenomenon

Earthing of the metallic silos and pipes A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

residual

1Unloading operation by the truck

dangerous event, possible damage

On what component we

have to actMeansInitialN° Identification Hazard hazardous

situation

Activated carbon and sodium bicarbonate are stored in a siloThis intervention consist in unloading reagent from the delivery truck to the silo

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

TASK Nr Activated carbon or Bicarbonate Unloading MLS : during operation Weekly

MLS : Machine life step Frequency of the task P= probability of occurrence Means

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Specific part : reagent silo - 1 / 2 10892EA00400-0

Page 22: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

1 Replacement of the silos bag filter

Parts of the filter removed by the operators

Presence nearby the bottom of the silo

Fall of objectInjury C 4

Removal of the dangerous phenomenon

Presence of a handrail around the top of the silo.Certified handling/lifting equipments. Handling by authorized operators. Marking area and banning access under the load. Follow the instructions of the O&M manual (Lab & manufacturer)

A 1

MLS : maintenance Frequency :

P S P S

1 Internal inspection of the silos

Presence in the silo

Slide.Fall.Presence of gas

Injury.(Breathing problems…).

B 3Removal of the dangerous phenomenon

Intervention by two authorized operators.Complete emptying of the silo before any interventionVenting with air before any intervention.Adequate scaffolding.Nitrogen injection in Activated carbon silo mechanically lockedWear PPE and body harness, check of temperatureRespect the specific procedures of work in confined area (ventilation, atmosphere control…).Follow the instructions of the O&M manual (Lab & manufacturer)

A 2

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in WAM as built documentation references 10892NA17201�10892NA17202�10892NA40401

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

MLS : Machine life step Frequency of the task P= probability of occurrence Means

TASK Nr Changing bag filter on silo MLS : Mounting /dismantling Annual

Activated carbon and sodium bicarbonate are stored in a silo and silos are equipped with filter to allow air evacuation without dust emissionThis intervention consists in changing the filter

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

On what component we

have to actMeansInitialN° Identification Hazard hazardous

situation residualdangerous event, possible damage

TASK Nr Silo inspection Exceptionnal

Activated carbon and sodium bicarbonate are stored in a siloThis intervention consist in internal inspection of the silo

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

N° Identification Hazard hazardous situation residual

dangerous event, possible damage

On what component we

have to actMeansInitial

Specific part : reagent silo - 2 / 2 10892EA00400-0

Page 23: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

1 Visual checking of the installation

Risk of ammonia leakage on the line

Working nearby the ammonia line

Spatter of ammonia - chemical injuryOperator breathing problem

B 3Removal of the dangerous phenomenon

Welded inox pipes, flanges only on pump and injection connection with detection and alarm, the pipe routing is agreed with OMRIN.Ammonia resistant gasketsWear of PPE

A 1

Frequency :

P S P S

Risk of ammonia spillage or hose connection uncorrect or broken

Working nearby the ammonia tank

Spatter of ammonia - chemical injuryOperator breathing problem

B 3Removal of the dangerous phenomenon

Leakage detection with hornAutomatic spraying Drips collection in a retentionsafety shower and eye rinsing nearby the unloading areaindication on connecting pipeWear of PPE

A 1

Tank overflowing Working nearby the ammonia tank

Spatter of ammonia - chemical injuryOperator breathing problem

B 3Removal of the dangerous phenomenon

Redundancy of security equipements for high level Indication on the local panel of high level reached and sequence stoppedLeakage detection with hornAutomatic spraying Drips collection in a retentionsafety shower and eye rinsing nearby the unloading areaWear of PPEFollow the instructions of the O&M manual

A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Hazard hazardous situation

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

TASK Nr NH4OH Unloading

OPERATION COMPONENT OF THE RISK

1Unloading operation by the truck

PREVENTIVE MEASURE

MLS : Machine life step Frequency of the task P= probability of occurrence Means

On what component we have to act MeansInitialN° Identification residual

dangerous event, possible damage

TASK Nr Checking visit of ammonia installation MLS : during operation Daily

Ammonia solution 24,5% is stored in a tankAmmonia is injection in the DeNOX reactor

OPERATION COMPONENT OF THE RISK

MLS : during operation Weekly

Ammonia solution 24,5% is stored in a tankAmmonia is unloaded from a truck.

PREVENTIVE MEASURE

InitialN° Identification Hazard hazardous situation residual

dangerous event, possible damage

On what component we have to act Means

Specific part : NH4OH installation - 1 / 3 10892EA00400-0

Page 24: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

1 Tank draining to a truck

risk of ammonia spillage

Working nearby the ammonia tank

Spatter of ammonia - chemical injuryOperator breathing problem

B 3Removal of the dangerous phenomenon

Leakage detection with hornAutomatic spraying Drips collection in a retentionsafety shower and eye rinsing nearby the unloading areaWear of PPE

A 1

Frequency :

P S P S

1 Retention drainage Presence of ammonia

working nearby ammonia

Slipping in the retentionSpatter of ammonia - chemical injuryOperator breathing problem

B 3Removal of the dangerous phenomenon

Leakage detection with hornsafety shower and eye rinsing in the retention and outside of the retentionWear of PPEFollow the instructions of the O&M manual

A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

residualdangerous event, possible

damageOn what component

we have to act MeansInitialN° Identification Hazard hazardous situation

Any ammonia leakage is collected in a pitThis intervention consists in operating in this pit

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

TASK Nr retention emptying under NH4OH tank MLS : during operation Exceptional

TASK Nr NH4OH tank draining MLS : during operation exceptional

Ammonia solution 24,5% is stored in a tank and is unloaded by a truck.Ammonia can be discharged from the tank to a truck

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

N° Identification Hazard hazardous situation residual

dangerous event, possible damage

On what component we have to act MeansInitial

MLS : Machine life step Frequency of the task P= probability of occurrence Means

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Specific part : NH4OH installation - 2 / 3 10892EA00400-0

Page 25: 07A Risk Analysis EU Machinery Directive CE

MLS : maintenance Frequency :

P S P S

1 Internal inspection of the tank

Presence in the tank

Slide.Fall.Presence of ammonia

Chemical injury, operator breathing problems…. B 3

Removal of the dangerous phenomenon

Intervention by two authorized operators.Draining of the tank before any interventionVenting with air before any intervention.Adequate scaffolding.Wear PPE and body harness, check of temperatureRespect the specific procedures of work in confined area (ventilation, atmosphere control…).Follow the instructions of the O&M manual (Lab & manufacturer)

A 2

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

MLS : Machine life step Frequency of the task P= probability of occurrence Means

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

TASK Nr Tank inspection Exceptionnal

Ammonia solution 24,5% is stored in a tankThis intervention consist in internal inspection of the tank

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

On what component we have to act MeansInitialN° Identification Hazard hazardous

situation residualdangerous event, possible

damage

Specific part : NH4OH installation - 3 / 3 10892EA00400-0

Page 26: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

1 Loading operation in the truck Truck overflowing Working nearby

the residue silo Truck overflowing B 3Removal of the dangerous phenomenon

Indication on the local panel of high level reached and valve shut offAn alarm is set off when truck high level is reached. A 1

Frequency :

P S P S

1 Replacement of the silos bag filter

Parts of the filter removed by the operators

Presence nearby the bottom of the silo

Fall of object.Injury C 4

Removal of the dangerous phenomenon

Presence of a handrail around the top of the silo.Certified handling/lifting equipments. Handling by authorized operators. Marking area and banning access under the load. Follow the instructions of the O&M manual (Lab & manufacturer)

A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

residualdangerous event, possible damage

TASK Nr Residue loading MLS : during operation Daily

Residue are stored in a silo (one for ashes and one for spent sorbent)This intervention consists in loading residue in a truck

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

On what component we

have to actMeansInitialN° Identification Hazard hazardous

situation

MLS : Machine life step Frequency of the task

TASK Nr Changing bag filter on silo MLS : Mounting /dismantling Annual

Residue are stored in a silo (one for ashes and one for spent sorbent) and are equipped with filter to allow air evacuation without dust emissionThis intervention consists in changing the filter

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

N° Identification Hazard hazardous situation

dangerous event, possible damage

On what component we

have to actMeansInitial residual

P= probability of occurrence Means

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Specific part : residue silo - 1 / 2 10892EA00400-0

Page 27: 07A Risk Analysis EU Machinery Directive CE

MLS : maintenance Frequency :

P S P S

1

Internal inspection of the silos - maintenance operation in the silo

Presence in the silo, contact with the residues

Slide.Fall.Presence of residues

Injury.Chemical risks (Breathing problems…).Work in equipment where residue are usually at 80°C

C 3Removal of the dangerous phenomenon

Intervention by two authorized operators.Emptying of the silo before any interventionPreliminary check from the roof manhole that the silo is emptyVenting with air before any intervention.Nitrogen injection in spent sorbent silo mechanically lockedPneumatic transport stoppedAdequate scaffolding.Prohibition on being in the silo during the operation of the extraction system Extraction system mechanically lockedWear PPE and body harness, check of temperatureRespect the specific procedures of work in confined area (ventilation, atmosphere control…).Follow the instructions of the O&M manual (Lab & manufacturer)

A 2

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in MORILLON�WAM as built documentation references 10892SA17201 10892NA17303-304-305-306�10892NA17201-17202-40401

MLS : Machine life step Frequency of the task P= probability of occurrence Means

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

TASK Nr Residue silo inspection

OPERATION COMPONENT OF THE RISK

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Annual

Residue are stored in a silo (one for ashes and one for spent sorbent)This intervention consists in internal inspection of the silos that could be necessary for maintenance of the extraction system

PREVENTIVE MEASURE

N° Identification Hazard hazardous situation

dangerous event, possible damage

On what component we

have to actMeansInitial residual

Specific part : residue silo - 2 / 2 10892EA00400-0

Page 28: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

Rotating part of the dosing system

Work nearby rotating part of

the dosing system

Contact with rotating part of the dosing

system - InjuryB 3

Removal of the dangerous phenomenon : obstacle / rotating parts

Make sure that protector supplied by the manufacturer are installed before intervention

A 1

Conductor under voltage

work nearby electric circuit

Contact with conductor under voltage - electric

shockB 4 Removal of the

dangerous phenomenon No bare conductor under voltage A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

residualMeans

TASK Nr Checking visit of the reagent dosing system DailyMLS : during operation

The reagent dosing system transports activated carbon and bicar in each injection linethe intervention consists in checking nearby the dosing system its good functioning

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

1 Visual and hearing check of the screw functioning

dangerous event, possible damage

On what component we have to actInitialN° Identification Hazard hazardous

situation

MLS : Machine life step Frequency of the task P= probability of occurrence Means

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Specific part : Reagent dosing system - 1 / 2 10892EA00400-0

Page 29: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

Rotation of the equipment axis

Work nearby rotating part of

the screw

Contact with rotating part of the equipment -

InjuryB 3

Removal of the dangerous phenomenon: electrical motor locked out

Disconnecting switch with padlock in general low voltage panels or local panel

A 1

Conductor under voltage

work nearby electric circuit

Contact with conductor under voltage - electric

shockB 4

Removal of the dangerous phenomenon: electrical motor locked out

Disconnecting switch with padlock in general low voltage panels or local panel

A 1

Installation of means to avoid damages

Wear PPE : goggles / gloves / boots / mask A 1

Removal of the dangerous phenomenon

Close manual isolating gate valve under silo and evacuate downstream circuit A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in SODIMATE��WAM as built documentation references 10892SA40520 10892NA40520-521-522-523-524-531-532-533�10892NA40401

TASK Nr Remove / replace of the system motor-screw ExceptionalMLS : maintenance

The reagent dosing system transports activated carbon and bicar in each injection linethe intervention consists in removing and then replacing an equipment motor

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

N° Identification Hazard hazardous situation

dangerous event, possible damage

On what component we have to act MeansInitial residual

1Electrical connection / disconnection of screw

motor

2 operator(s) work under silo

Reagent leakage from the silo cone

Work nearby activated

carbon circuitreagent projection A 2

MLS : Machine life step Frequency of the task P= probability of occurrence Means

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Specific part : Reagent dosing system - 2 / 2 10892EA00400-0

Page 30: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

Rotation of the grinder and fan

Work nearby rotating

equipment

Contact with rotating part of the fan - Injury B 3

Removal of the dangerous phenomenon: obstacle / rotating parts

Make sure that protections supplied by the manufacturer are installed before intervention Follow the instructions of O&M manual (Lab & manufacturer).

A 1

Conductor under electric potential

Work nearby electric cirucit

Contact with conductor under voltage - electrical

shockB 4 Removal of the

dangerous phenomenon No bare conductor under voltage A 1

Noise, heatWorking nearby the noise source

auditory and burning risks C 3 Installation of means to

avoid damages

Wear PPEFollow the instructions of the O&M manual (Lab & manufacturer)

B 2

MLS : maintenance Frequency :

P S P S

1

The operators are cleaning inside the grinder chamber and inside the fan housing

Rotation of the wheelsWorking nearby the wheel

Contact with the rotating wheel B 4 Removal the dangerous

phenomenon

Protection by safety locking device, the key is released when the grinder motor is stopped, the drive cannot be switched on as long as the mill housing is not completely closed.Disconnecting switch with padlock in general low voltage panels or local panelFollow the instructions of O&M manual (Lab & manufacturer).

A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

1 Visual and hearing check of the functioning

dangerous event, possible damage

On what component we have to actInitialN° Identification Hazard hazardous

situation residualMeans

TASK Nr Cleaning of grinder chamber and injection fan Monthly

The bicarbonate grinders mill the bicarbonate and the fan transports it in each injection lineThe intervention consists in cleaning the grinder and the injection fan

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

MLS : Machine life step Frequency of the task P= probability of occurrence Means

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

TASK Nr Watching visit of the grinders MLS : during operation Daily

residualdangerous event, possible damage

On what component we have to act MeansInitial

The bicarbonate grinders mill the bicarbonate and the fan transports it in each injection lineThe intervention consists in checking the good functioning of the grinder and the fan

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

N° Identification Hazard hazardous situation

Specific part : Grinders and injection fans - 1 / 2 10892EA00400-0

Page 31: 07A Risk Analysis EU Machinery Directive CE

MLS : maintenance Frequency :

P S P S

Rotation of the fan or grinder shaft

Work nearby rotating

equipment

Contact with rotating part of the fan - Injury B 3

Removal of the dangerous phenomenon:

electrical motor locked out

Protection by safety locking device, the key is released when the grinder motor is stopped, the drive cannot be switched on as long as the mill housing is not completely closedDisconnecting switch with padlock in general low voltage panels or local panel

A 1

Conductor under electric potential

Work on the fan or battery electrical part

Contact with conductor under voltage - electrical

shockB 4

Removal of the dangerous phenomenon:

electrical motor and battery locked out

Disconnecting switch with padlock in general low voltage panels or local panel A 1

2One or more operators

lift and handle part of the fan or grinder

Part of fan or grinder overhanging

Presence under the load

Falling down of the loadCrushing of operator C 4

Removal of the dangerous phenomenon

Make sure nobody is present under the load

Adequate lifting device

Handling by trained people

Area marking and forbidden access under the load

A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in GTS as built documentation references 10892SA40811 10892NA40812-814-815-816

TASK Nr Removal / replacement of fan or grinder motor/wheel/selector Exceptional

The bicarbonate grinders mill the bicarbonate and the fan transports it in each injection lineThis intervention consists in removing and replacing part of fan or grinder

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

InitialN° Identification Hazard hazardous situation residual

1Electrical connection / disconnection of fan or

grinder motor

MLS : Machine life step Frequency of the task P= probability of occurrence Means

dangerous event, possible damage

On what component we have to act Means

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Specific part : Grinders and injection fans - 2 / 2 10892EA00400-0

Page 32: 07A Risk Analysis EU Machinery Directive CE

MLS : during operation Frequency :

P S P S

Rotation of the pump axis

Working nearby the moving part of the pump

Contact with the moving part of the pump. Injury

B 3Removal of the dangerous phenomenon: obstacle / rotating parts

Follow the instructions of the O&M manual (Lab & manufacturer). Protectors provided by the manufacturer. CE certificate provided by the manufacturer

A 1

Conductor under voltageWorking nearby electrical circuit

Contact with a conductor under voltageElectrical shock

B 4 Removal of the dangerous phenomenon

Disconnecting switch with padlock in general low voltage panels or local panel.Follow the instructions of the O&M manual (Lab & manufacturer)

A 1

Process fluid leakage

Working nearby the process fluid circuit

spatter of process fluid C 2 Removal of the dangerous phenomenon

Wearing of the PPE. Follow the instructions of the O&M manual (Lab & manufacturer)Material of gasket compatible with ammonia

B 1

S= maximal severity of the possible damage1 : Insignificant2 : Limited3 : Serious4 : Fatal

PREVENTIVE MEASURE

1Visual and audio checking of the pump during operation

dangerous event, possible damage

On what component we have to actInitialN° Identification Hazard hazardous

situation résidualMeans

TASK Nr Watching visit of different pumps daily

Circulation pumps ensure condensate water circulation in the heat recovery primary loopBooster pumps ensure condensate water pressure in the heat recovery primary loopThe intervention consists in checking the good functioning of the pumps

OPERATION COMPONENT OF THE RISK

MLS : Machine life step Frequency of the task P= probability of occurrence Means

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnual

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Specific part : Water pumps - 1 / 2 10892EA00400-0

Page 33: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

1 Connection / disconnection of the motor

Rotation of the motor axisWorking nearby the moving part

Contact with the moving part of the motor.Injury

B 3

Removal of the dangerous phenomenon:electrical motor locked out

Disconnecting switch with padlock in general low voltage panels or local panelManufacturer protectionFollow the instructions of the O&M manual (Lab & manufacturer)

A 1

Conductor under voltageWorking nearby the electrical part

Contact with a conductor under voltage. Electric shock

B 4

Removal of the dangerous phenomenon: electrical motor locked out

Disconnecting switch with padlock in general low voltage panels or local panelFollow the instructions of the O&M manual (Lab & manufacturer)

A 1

Installation of means to avoid damages

Wear PPE. Follow the instructions of the O&M manual (Lab & manufacturer)

Removal of the dangerous phenomenon:pump draining before disconnection, wait for circulation pump cooling

Before dismantling, bleeding and drainage of the hot water circuitFollow the instructions of the O&M manual (Lab & manufacturer)

3 Handling Suspended machine Presence under the load

Fall of the load.Crushing of operators B 4

Removal of the dangerous phenomenon:Make sure nobody is present under the load

Certified handling/lifting equipments. Handling by authorized operators. Marking area and banning access under the load. Follow the instructions of the O&M manual (LAB & manufacturer)

A 1

S= maximal severity of the possible damage1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in KSB�SALMSON as built documentation references 10892NA26411-412�10892NA26512-513-514

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnual

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

MLS : Machine life step Frequency of the task P= probability of occurrence Means

résidual

2 Connection / disconnection of the pump

Leak of process fluid (fluid under pressure)

Working nearby the process fluid circuit

Contact with the hot condensate water - Injury

C 3 B 1

dangerous event, possible damage

On what component we have to act MeansInitialN° Identification Hazard hazardous

situation

Circulation pumps ensure condensate water circulation in the heat recovery primary loopBooster pumps ensure condensate water pressure in the heat recovery primary loopThis intervention consists in removing then replacing the motor or the pump

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

TASK Nr Mounting/Dismantling of pumps with their motors MLS : maintenance Exceptional

Specific part : Water pumps - 2 / 2 10892EA00400-0

Page 34: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

Rotation of the pump axis

Working nearby the moving part of the pump

Contact with the moving part of the pump. Injury

B 3Removal of the dangerous phenomenon: obstacle / rotating parts

Make sure that protector supplied by the manufacturer are installed before intervention A 1

Conductor under voltage

Working nearby electrical circuit

Contact with a conductor under voltageElectrical shock

B 4 Removal of the dangerous part No bare conductor under voltage A 1

Installation of means to avoid damages

Wear PPE :goggles / gloves / respiratorSafety shower / eye rinsing nearbyLeakage detection with horn

B 1

Removal of the dangerous part Ammonia detection alarm B 1

S= maximal severity of the possible damage1 : Insignificant2 : Limited3 : Serious4 : Fatal

Spatter of ammonia - injury with caustic

etchingB 3

On what component we have to act

1Visual and audio

checking of the pump during operation

Ammonia leakageWorking nearby

the ammonia circuit

TASK Nr Checking visit of the unloading/injection pumps

Initial résidualN° Identification Hazard hazardous situation

dangerous event, possible damage Means

Daily

The unloading pump feed the storage tank from the truckThe injection pump feed upstream SCR with ammoniathe intervention consists in checking the good functioning of the ammonia pumps

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

MLS : during operation

ContinuousDailyWeeklyMonthlyAnnual

MLS : Machine life step Frequency of the task P= probability of occurrence Means

Installation :� During operation� Maintenance� Mounting/Dismantling

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

A : UnlikelyB : UncommonC : CasualD : highly

Specific part : NH4OH pumps - 1 / 2 10892EA00400-0

Page 35: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

Rotation of the pump axis

Work nearby rotating part

Contact with the rotating part.Injury

B 3

Removal of the dangerous part : electrical isolation of the motor

Disconnecting switch with padlock in general low voltage panels or local panel A 1

Conductor under voltage

Work nearby electrical circuit

Contact with conductor under voltage.Electrical shock

B 4

Removal of the dangerous part : electrical isolation of the motor

Disconnecting switch with padlock in general low voltage panels or local panel A 1

Installation of means to avoid damages

Wear PPE :goggles / gloves / respiratorSafety shower / eye rinsing nearbyLeakage detection with horn

B 1

Removal of the dangerous phenomenon: rinsing of the pump before intervention

Before dismantling, connection with the water network, rinsing of the pump with waste water sending to the sewer

A 1

3 Intervention in the retention Presence of ammonia working nearby

ammoniaSlipping or operator breathing problem B 3 Removal of the

dangerous phenomenon

Leakage detection with hornsafety shower and eye rinsing in the retentionWear of PPEFollow the instructions of the O&M manual

A 1

S= maximal severity of the possible damage1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in KSB�LEWA as built documentation references 10892NA26401-412�10892NA26211-212-213

MLS : Machine life step Frequency of the task P= probability of occurrence

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnual

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

C

On what component we have to act Means

Means

3

résidual

Connection / disconnection of

ammonia pump from fluid circuit

Ammonia solution 24,5% leakage

Work nearby ammonia circuit

Ammonia splashing - chemical injury

1Electrical connection / disconnection of pump

motor

Initial

OPERATION COMPONENT OF THE RISKdangerous event, possible damage

Exceptional

The unloading pump feed the storage tank from the truckThe injection pump feed upstream SCR with ammoniaThe intervention consists in removing then replacing the motor or the pump

PREVENTIVE MEASURE

2

TASK Nr Removal/replacement of the ammonia motor/pump MLS : maintenance

N° Identification Hazard hazardous situation

Specific part : NH4OH pumps - 2 / 2 10892EA00400-0

Page 36: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

1 Checking visit of ammonia injection Leak of ammonia

Presence of operators nearby the injection system

Contact with ammonia : chemical injury B 3 Remove the dangerous

phenomenon

Wear PPE.Ammonia detectors.Ducts in stainless steel.No flanges or flanges protected.Security shower.Ammonia resistant gaskets.Follow the instructions of the O&M manual (Lab & manufacturer).

A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

Hazard hazardous situation

PREVENTIVE MEASURE

On what component we have to act MeansInitialN° Identification residual

dangerous event, possible damage

TASK Nr Checking visit of the ammonia injection MLS : During operation Daily

The ammonia injection system is used to inject the chemical upstream SCR reactorThis intervention consists in checking the ammonia injection during operation

OPERATION COMPONENT OF THE RISK

MLS : Machine life step Frequency of the task P= probability of occurrence Means

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Specific part : NH4OH injection - 1 / 2 10892EA00400-0

Page 37: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

1 Checking visit of ammonia injection Leak of ammonia

Presence of operators nearby the injection system

Contact with ammonia : chemical injury B 3 Remove the dangerous

phenomenon

Wear PPE.Ammonia detectors.Ducts in stainless steel.No flanges or flanges protected.Security eye rinsingAmmonia resistant gaskets.Follow the instructions of the O&M manual (Lab & manufacturer).

A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

residualdangerous event, possible damage

On what component we have to act MeansInitial

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

MLS : Machine life step Frequency of the task P= probability of occurrence Means

TASK Nr disassembly of the ammonia lances MLS : During operation Annual

The ammonia injection system is used to inject the chemical upstream SCR reactorThis intervention consists in checking the ammonia injection during operation

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

N° Identification Hazard hazardous situation

Specific part : NH4OH injection - 2 / 2 10892EA00400-0

Page 38: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

Installation of means to avoid damages

Wear PPE. Follow the instructions of the O&M manual (Lab & manufacturer)

Removal of the dangerous phenomenon:pipe draining before disconnection, wait for pipe cooling

Before dismantling, drainage of the hot water circuit

Follow the instructions of the O&M manual (Lab & manufacturer)

2 Handling Suspended equipment Presence under the load

Fall of the load.Crushing of operators B 4

Removal of the dangerous phenomenon:Make sure nobody is present under the load

Certified handling/lifting equipments. Handling by authorized operators. Marking area and banning access under the load. Follow the instructions of the O&M manual (LAB & manufacturer)

A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in SNZ�GEA as built documentation references 10892QA27550-560 10892NA25611

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

MLS : Machine life step Frequency of the task P= probability of occurrence Means

résidual

1 Connection / disconnection of the pipe Leak of process fluid

Working nearby the process fluid circuit

Contact with the hot condensate water - Injury

C 3 B 1

dangerous event, possible damage

On what component we have to act MeansInitialN° Identification Hazard hazardous

situation

Hot piping is present at the heat recovery systemThe intervention consists in disconnecting piping

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

TASK Nr Mounting/Dismantling hot piping MLS : mounting/dismantling Exceptional

Specific part : Hot piping - 1 / 1 10892EA00400-0

Page 39: 07A Risk Analysis EU Machinery Directive CE

MLS : during operation Frequency :

P S P S

Rotation of the screw axis

Working nearby the moving part of the screw conveyor

Contact with the moving part. Injury

B 3Removal of the dangerous phenomenon : obstacle / rotating parts

Make sure that protector supplied by the manufacturer are installed before intervention Special tool needed to open the trapdoor.Follow the instructions of the O&M manual (Lab & manufacturer)

A 1

Conductor under voltage

Working nearby an electrical circuit

Contact with a conductor under voltage Electrical shock

B 4 Removal of the dangerous phenomenon

No bare conductor under voltage.Follow the instructions of the O&M manual (Lab & manufacturer) A 1

2 Leakage checking Leak of chemical substance

Working nearby the circuit of chemicals substance

Contact with the chemical substance : injury B 2 Removal of the

dangerous phenomenonWear PPE.Follow the instructions of the O&M manual (Lab & manufacturer) B 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

TASK Nr

Fly ash transport : screw conveyor under ESP/ lump breakerSpent sorbent transport : screw conveyors under fabric filterThe intervention consists in checking the good functioning of the mechanical transport equipment

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

Checking visit of the mechanical transport equipment Daily

residual

1

Visual and auditory checking of the mechanical transport equipment during operation

dangerous event, possible damage InitialN° Identification Hazard hazardous

situationOn what component we have to act Means

MLS : Machine life step Frequency of the task P= probability of occurrence Means

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Specific part : Residue mechanical transport - 1 / 2 10892EA00400-0

Page 40: 07A Risk Analysis EU Machinery Directive CE

MLS : maintenance Frequency :

P S P S

1Handling of the mechanical transport equipment

Part of the equipment suspended

Presence under the load

Fall of the loadCrushing of the operator B 4

Removal of the dangerous phenomenon: Make sure nobody is present under the load

Certified handling/lifting equipments. Handling by authorized operators. Area marking and banning access under the loadWear PPE. Follow the instructions of the O&M manual (Lab and manufacturer)

A 1

Spillage of residue

Working nearby the circuit of chemicals substance

Contact with chemical substances B 2 Removal of the

dangerous phenomenon

Wear PPE.Special tool needed to open the trapdoor.Follow the instructions of the O&M manual (Lab & manufacturer)

B 1

Conductor under voltage

Working nearby the electrical part

Contact with a conductor under voltageElectrical shock

B 4 Removal of the dangerous phenomenon

Disconnecting switch with padlock in general low voltage panels or local panel.Follow the instructions of the O&M manual (Lab & manufacturer)

A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in ELEX�STAG�STAG as built documentation references 10892SA17201 10892NA11121-122-123�10892NA17601-602-603-604-606-607-619-620-631-632-633

Handling of the mechanical transport equipment

2

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

MLS : Machine life step Frequency of the task P= probability of occurrence Means

On what component we have to act MeansInitial residual

dangerous event, possible damageN° Identification Hazard hazardous

situation

Fly ash transport : screw conveyor under ESP/ lump breaker / rotary valve before big bagSpent sorbent transport : screw conveyor under fabric filterThe intervention consists in removing one component (motor, sealing, stuffing box,...)

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

TASK Nr Mounting / dismantling of the mechanical transport equipment Annual

Specific part : Residue mechanical transport - 2 / 2 10892EA00400-0

Page 41: 07A Risk Analysis EU Machinery Directive CE

MLS : maintenance Frequency :

P S P S

Equipment under pressure

Working nearby the pressurized vessel

quick depressurization of the equipment - injury B 3 Removal of the

dangerous phenomenon

Check local pressure measurement and de-aerate the vessel Follow the instructions of the O&M manual (Lab and manufacturer)

A 1

Spillage of residue Working nearby the conveying equipment

Contact with chemical substances B 2 Removal of the

dangerous phenomenon Wear PPEFollow the instructions of the O&M manual A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in STAG as built documentation references 10892NA17601-602-605-609-673

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

MLS : Machine life step Frequency of the task P= probability of occurrence Means

hazardous situation residualdangerous event, possible damage

On what component we have to act MeansInitial

Annual

Fly ash pneumatic transport from ESP to storage siloSpent sorbent pneumatic transport from fabric filter to storage siloThe intervention consist in checking the inside of the equipments

PREVENTIVE MEASURE

1Opening of the conveying vessel and conveying lines

TASK Nr Inspection of pneumatic transport equipment

OPERATION COMPONENT OF THE RISK

N° Identification Hazard

Specific part : Residue pneumatic transport - 1 / 1 10892EA00400-0

Page 42: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

1 Checking visit of the instruments

under voltage or hot instrument

Contact with an instrument

Injury : electrical shock; burning. C 3 Remove the dangerous

phenomenon

Intervention only by authorized peopleWear PPE.Follow the instructions of the O&M manual (Lab & manufacturer).Earthing.Electrical isolation.

A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in �WIKA�KHRONE�ENDRESS HAUSER… as built documentation references 10892NA29111-113-114-115-116-10892NA29151�10892NA29130-131-132…

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Hazard hazardous situation

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

PREVENTIVE MEASURE

MLS : Machine life step Frequency of the task P= probability of occurrence Means

On what component we have to act MeansInitialN° Identification residual

dangerous event, possible damage

TASK Nr Checking visit of the instruments MLS : During operation Daily

DESCRIPTION OF THE EQUIPMENT

Instruments are composed of pressure, temperature et other variables detectors.

OPERATION COMPONENT OF THE RISK

Specific part : Instruments - 1 / 1 10892EA00400-0

Page 43: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

Leak of a chemical products Chemical injury B 3 Remove the dangerous

phenomenon

Wear PPE.Suitable material for accessoriesFollow the instructions of the O&M manual (Lab & manufacturer).Ducts and pipes can be drained by gravity flowing

A 1

Hot accessory Injury : burning B 3 Remove the dangerous phenomenon

Wear PPE.Follow the instructions of the O&M manual (Lab & manufacturer).Wait for accessory cooling before intervention

A 1

Conductor under electric potential

Contact with conductor under voltage - electrical

shockB 4 Removal of the

dangerous phenomenon

No bare conductor under voltageFollow the instructions of the O&M manual (Lab & manufacturer).

A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in �AVS�SALMSON… as built documentation references 10892NA28450-451-460 to 467�10892NA28470-480-490�10892NA26516…

Means

residual

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

MLS : Machine life step Frequency of the task P= probability of occurrence

1

PREVENTIVE MEASURE

On what component we have to act MeansInitial

Checking visit of the accessories

Working nearby the accessory,

contact with it

DailyMLS : During operation

DESCRIPTION OF THE EQUIPMENTValves and accessories are present in the whole installation and are used to allow, or not, fluids circulation in the pipes or ducts.

TASK Nr Checking visit of the valves and accessories

OPERATION COMPONENT OF THE RISK

N° Identification Hazard dangerous event, possible damage

hazardous situation

Specific part : Valve & components - 1 / 1 10892EA00400-0

Page 44: 07A Risk Analysis EU Machinery Directive CE

Frequency :

P S P S

Hot electrical tracing Injury : burning B 3 Remove the dangerous phenomenon

Marking of heat traced areaWear PPEFollow the instructions of the O&M manual (Lab & manufacturer).

A 1

Conductor under electric potential

Contact with conductor under voltage - electrical shock

B 4 Removal of the dangerous phenomenon No barre conductor under voltage A 1

Frequency :

P S P S

1 Removal of insulation Presence of mineral fibers in suspension

Breathing of these mineral fibers in suspension

Breathing problemsSkin irritation C 2 Removal of the

dangerous phenomenonWear PPE : goggles / gloves / boots / mask / safety helmet A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

See also supplier risk analysis and maintenance manual in TRACE TEC�STAG�ELEX as built documentation references 10892NA24311-312�10892NA17612�10892NA11312

OPERATION COMPONENT OF THE RISK

N° Identification Hazard dangerous event, possible damagehazardous situation

AnnualMLS : During operation

Electrical tracing is used on residue silos and residue transport equipmentIntervention on an equipment equipped with electrical tracing

TASK Nr Checking visit of an equipment equipped with electrical tracing

MLS : Machine life step Frequency of the task P= probability of occurrence

PREVENTIVE MEASURE

On what component we have to act MeansInitial

1

Checking visit of the residue silos, mechanical transport under ESP or

under fabric filter, pneumatic transport

Work nearby electric circuit

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

Means

residual

N° Identification Hazard hazardous situation residualdangerous event, possible damage

On what component we have to act MeansInitial

TASK Nr Removal of insulation for equipment inspection MLS : During operation Annual

Electrical tracing is used on residue silos and residue transport equipmentIntervention on an equipment equipped with electrical tracing

OPERATION COMPONENT OF THE RISK PREVENTIVE MEASURE

Specific part : electrical tracing & insulation - 1 / 1 10892EA00400-0

Page 45: 07A Risk Analysis EU Machinery Directive CE

3- RISK INTERFACES

P S P S

People injury B 4 Remove the dangerous phenomenon Follow the procedures and the O&M manual A 1Material damage B 3 Remove the dangerous phenomenon Follow the procedures and the O&M manual A 1

People under the load People injury B 4 A 1

Fall on equipment Material damage B 3 A 1Circulation nearby equipment

Collision with equipment

People injury / material damage B 4 Remove the dangerous phenomenon Circulation ways defined by OMRIN A 1

Circulation of a load on the ground

Overload on the concrete Damage on civil work B 3 Remove the dangerous phenomenon Definition of the concrete by OMRIN with LAB load information A 1

4 Noise (addition / reverberation) Increase of noise Working in the area

concerned People hearing damage B 2 Remove the dangerous phenomenon Global acoustic study by OMRIN including LAB information A 1

5 Temperature / ventilation Ventilation default

Temperature increasePossible presence of chemical products

People discomfort B 3 Remove the dangerous phenomenon Follow the procedures and the O&M manualsGlobal thermal study by OMRIN including LAB information A 1

Idfan stop and fluegas pressure back into boilerpressure back via DeNOx air inlet or fresh air intake

7 Water/water heat exchanger Piping breakdownProcess fluid leakage Presence of people People injury B 3 Remove the dangerous phenomenon

Acceptable stress on flanges indicated by LABFirm plate on heat exchangerDESP classification

A 1

Retention full of ammoniadrainage of ammonia in the retention

Presence of people People injury B 4 Remove the dangerous phenomenon

- Drainage by a truck equipped with a pump : tank drainage procedure to study with OMRIN to define the means for protection- The floor marking of the danger area is recommended- Leakage detection with flashing light and horn visible before being in the ammonia area (position approved by OMRIN)- Three detections in the area (retention, tank roof and truck unloading)- Two safety showers with eye rinsing : one in the retention, one in unloading area- For maintenance intervention on the pumps, wearing a mask is strongly recommended

A 2

Valve under retention is opened

The ammonia is evacuated to the sewer

Environment damage C 3 remove the dangerous phenomenon The valve to sewer is closed when ammonia is detectedThe doubling of the valve is strongly recommended A 1

9 Automatism, Electricity and Instrumentation

Access to electrical equipment, intervention on equipment

Presence of people Electrical shock C 4 remove the dangerous phenomenon Access restriction and electrical locking management by OMRIN A 1

10 Control system Uncorrect functioning of the safety Presence of people People injury

equipment damage B 4 Remove the dangerous phenomenon Commisioning synchronisation by OMRIN with LAB commisioning documents A 1

S= maximal severity of the possible damage

1 : Insignificant2 : Limited3 : Serious4 : Fatal

8Presence of NH4OH in the retention under the tank

1Presence of people People injury B 3 Remove the dangerous phenomenonEmergency motor installed on IDfan to maintain the flue gas line under pressureGeneral safety procedure under OMRIN responsability

A

1 Plant cleaning

3 Handling with truck and load on the ground

residual (*)

Remove the dangerous phenomenonOverhead running by authorized peopleWear PPEFollow the procedures and the concerned O&M manuals

Fall of the load

Damage on equipmentCleaning nearby equipment

Installation :� During operation� Maintenance� Mounting/Dismantling

ContinuousDailyWeeklyMonthlyAnnualExceptional

A : UnlikelyB : UncommonC : CasualD : highly

Arrangement taken in order to solve or reduce to the maximum the problem caused by the risk

MLS : Machine life step Frequency of the task P= probability of occurrence

PREVENTIVE MEASURE

On what component we have to act MeansInitialdangerous event, possible damage

hazardous situation

Means

OPERATION COMPONENT OF THE RISK

N° Identification Hazard

Stop of the Idfan6

2 Handling/lifting with the overhead crane of the plant

Part 3-Risk interfaces - 1 / 3 10892EA00400-0

Page 46: 07A Risk Analysis EU Machinery Directive CE

(*) : Residual probability and damage severity to be evaluated by OMRIN

Part 3-Risk interfaces - 2 / 3 10892EA00400-0

Page 47: 07A Risk Analysis EU Machinery Directive CE

See also Interfaces in HAZOP report dated 12/02/08

action 3 : boiler flue gas pressure control failureaction 7 : steam supply no steam supplyaction 8 : steam supply no steam supplyaction 9 : steam supply malfunctioning of temperature control, open failure of control valveaction 12 : operation of Idfan failure of IDFan or Idfan drive or related componentsaction 13 : Trudel motor main motor failureaction 14 : flue gas analyser not correct functioning of the analyseraction 18 : condensate from/to water - water HE stop of condensate pumps or open bypass or blockageaction 21 : condensate to LAB buffer tank level control failureaction 37 : motor primary air fan failure of motor or related motor

Part 3-Risk interfaces - 3 / 3 10892EA00400-0

Page 48: 07A Risk Analysis EU Machinery Directive CE

4- EC CERTIFICATES

Please refer to as-built documentation (DOE) section A 03 "EC conformity"

Part : 4-EC Certificates - 1 / 1 10892EA00400-0

Page 49: 07A Risk Analysis EU Machinery Directive CE

5 - LIST OF NORMS APPLIED

REFERENCE DESCRIPTIONNEN standards and guidelines Relating to the inspection of works, in the currently valid version.Guidelines for energy delivery to the public grid.Guidelines “Commissie preventie van rampen door gevaarlijke stoffen”. Committee on prevention of disasters caused by dangerous substancesARBO guidelines.Stoomwezen/ PED.Besluit verbranding afvalstoffen Bva. Bva waste incineration decisionsThe applicable Netherlands Standards Specification (NEN) and publications of ‘Nederlands Normalisatie Instituut’ (NEN), VDEN, KEMA, Dte, EnergieNed. Dutch Practical Guidelines (NPR). The applicable International Standards (ISO), in particular for unit of measures, mechanical accessories and assemblies, bolts and nuts, the ISO system of units shall be used. The applicable standards of the European Committee for Electro technical Standardisation (CENELEC). The codes and regulations of the Netherlands Directorate General of Labour. European Electro Magnetic Compatibility (EMC) regulations as applicable. EN StandardsGuideline: Tolerances for steel structures regarding architectural aspects and strength, stiffness and stability. (Report BI-84-3) Published by the Staalbouwkundig Genootschap;Dutch Practical Guidelines (NPR) for the design of connections (Report BI-85-7) Published by the Staalbouwkundig Genootschap;Guidelines for design calculations for and detailing bolted angle connections Published by the Staalbouwkundig Genootschap;Bouwbesluit of 2003 Building regulationThe local authority building regulations relating to the construction siteGuidelines for design calculations for stiffened and unstiffened plate arrays subjected to distributed loads Report BI –80-50. Published by the Staalbouwkundig GenootschapEU Machinery directive CE/2006/42DIN 45641 and DIN 45645 Sound insulation design DIN 52612 thermal conductivity determination for flat productsDIN 52613 thermal conductivity for cylindrical productsEN 287 welders Qualification EN ISO 389 Acoustics -- Reference zero for the calibration of audiometric equipment EN 547 - 1 to 3 Safety of machinery, human body measurements — Part 1 : Opening - Part 2 : orifices - Part 3 : anthropometric data

EN 614 - 1 & 2Safety of machinery - Ergonomic design principles - Part 1 : Terminology and design principles - Part 2 : Interaction between machinery design and work tasks

EN 894 - 1 to 3Safety of machinery — Ergonomics requirements for the design of displaysand control actuators — Part 1 : interactions - Part 2: Displays - Part 3 : control actuators

ISO 10816 Vibration of mechanical equipmentISO 2373 low voltage motor - mechanical vibrationISO 5167 / 5168 orifices plates and nozzles calcualtionISO 5210 / 5211 driving elements for electrical actuatorsISO 8501 Paint system - sand blastingNEN 1008 thickness of the galvanized layer on the trays and vertical runsNEN 1010 electrical equipment protection typeNEN 1010 types of protectionNEN 1010 choice of cable cross sectional areasNEN 1010 and NEN 3140 prevention shock currents from both direct and indirect contactNEN 1041 definition of safe working class for safe working in high voltage areas with explosion mixtures.NEN 1041 definition of sealing for cable penetrations in the walls, ceilings and floors so that they are fireproofNEN 1041 and NEN 3840 for safe working in high voltage areas

Part : 5-List of norms - 1 / 2 10892EA00400-0

Page 50: 07A Risk Analysis EU Machinery Directive CE

REFERENCE DESCRIPTIONNEN 1041 and NEN 3840 Protective earthing measures and protection against contactNEN 1275 Galvanization NEN 2062 and NEN 2063 Arc weldingNEN 2446 cable identification NEN 3125 necessary explosion proof design for installation of electrical equipment in explosion- proof areasNEN 3173 standards NEN-EN-IEC 60034 low- voltage motorsNEN 3173 noise limit valuesNEN 3184 converter transformers designNEN 3621 cable designNEN 6064 bare insulation products non combustibleNEN 6065 Insulation : For products dressed with aluminium foil the flame spread shall be class 1NEN 6700 Technical bases for the design and calculations of building structures TGB 1990NEN 6720 VB beton technical requirementsNEN-EN-ISO 14122 part 2, 3 and 4. Safety of machinery : working platform and access / stairs, stepladder and guard-rails / fixed laddersNEN-ENV 1090-1:1997 Execution of steel structures - Part 1: General rules and rules for buildings

Part : 5-List of norms - 2 / 2 10892EA00400-0


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