PED Hazard Analysis Practical guidance by: ing. H. Verschuren Lloyd’s Register Netherlands

Content Hazard Analysis Essential Safety Requirements Instructions for use Hazard analysis, example

Manufacturer Responsibilities ensure design and manufacturing to ESR’s ensure conformity assessment with ESR’s

Hazard Analysis Consider all applicable hazards. Known and foreseeable, use and foreseeable misuse. Take into account all ESR’s if applicable. Instructions for use, containing all safety information.

Hazard Analysis Method EN 1050 elimination reduction warning

Essential Safety Requirements From cat I to IV obliged manufacturer has to provide a description of solutions adopted to meet the ESR’s. If no is harmonised standards are used.

Instructions for use Pressure equipment should be accompanied by instructions for use. Contain information relating to: mounting / assembling putting into service use maintenance

Instructions for use Content All info as mentioned in ann I §3.3 “Marking and labelling” All other relevant safety info All hazards not prevented by design or protective measures

Hazard Analysis evaluation of all appl hazards description of solutions adopted to meet ESR’s (harm standards not used) Determining content for instructions for use

Hazard Analysis example Type of hazard 2.2 design for adequate strength 2.2.1 Internal pressure

- normal operating conditions - regeneration conditions Type of hazard Rele-vant Y / N Risk estimation by Description of hazard 1 Internal pressure - normal operating conditions - regeneration conditions - thermal liquid expansion - exothermal reactions/run away Y N M 2 External pressure - vacuum - condensing steam/vapour due to cooling down

Description of hazard Risk No. Action Required Y / N Inlet from V1504, heating from steam jacket  

Description of hazard Risk No. Action Required Y / N Inlet from V1504, heating from steam jacket 72  

Description of hazard Risk No. Action Required Y / N Inlet from V1504, heating from steam jacket 72 Y  

If applicable: risk reduction by Additional precautions Design Use 3) Construction Reduction Additional precautions Warning EN 13445-3 NA Y

4) Explications Action number 1Design 2Warning  

Description of precaution 1) Type of action Description of precaution 1D Design for internal pressure of 12 bar according to EN13445-3   2W Max allowable pressure 12 bar.

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Conformity asssessment procedures Typeond. B B1 H H1 A A1 D1 E1 G IV III IV Design I II II II Ontwp Ond. Nobo/ UI Nobo Nobo Nobo Nobo + C1 D E F Manuf III IV III IV Nobo Nobo Nobo III III Nobo/ UI Nobo Nobo/UI Final asses Nobo/UI Nobo Nobo Nobo/ UI Nobo Nobo Nobo/ UI Nobo/ UI Nobo Nobo + + = QA System Certifications