Workshop on the Implementation of the Pressure Equipment Directive In-Service Inspection Overview of UK Legislation Martin Yates Safety Assessment Federation

History Factories Acts –Steam Boilers –Steam Receivers –Air Receivers Pressure Systems Safety Regulations –All Pressure Systems –All Places of Work

Pressure Systems Safety Regulations 2000 Responsibilities for: –Designers –Manufacturers –Installers –Owners and Users –Repairers –Competent Persons

Pressure Systems Safety Regulations 2000 Applicable to: –Rigid Pressure Vessels, Pipework, Protective Devices –Pipework and Protective Devices with Gas Cylinders –Pipelines and Protective Devices

Pressure Systems Safety Regulations 2000 Relevant Fluid –Steam –Gas > 0.5 bar –Liquid with vapour pressure > 0.5 bar

Pressure Systems Safety Regulations 2000 Exemptions –Ships or aircraft –Braking systems on vehicles –Road tankers subject to ADR –Research experiments –Refrigeration systems < 25 kW

Pressure Systems Safety Regulations 2000 Partial Exemptions –Each pressure vessel < 250 bar litres (Not steam) Exempt from in-service inspection –Equipment supplied under PED Exempt from new construction requirements

In-Service Inspection Requirements Regulation 8 – Written Scheme of Examination Regulation 9 – Examination in Accordance with the Written Scheme Regulation 10 – Action in case of Imminent Danger

Regulation 8 – Written Scheme of Examination Owner/User must have a written scheme –Pressure vessels –Protective devices –Pipework Certified by Competent Person Reviewed periodically

Content of Written Scheme Parts to be Examined Nature of Examinations Preparations Required Intervals between Examinations Competent Person Date of Certification

Regulation 9 - Examination in Accordance with Written Scheme Carried out by Due Date Preparations and Safety Requirements Suitable Examinations Reports

Regulation 10 - Action in Case of Imminent Danger Site Defect Report Report to Enforcing Authority System not to be Operated

Categories of System Minor Intermediate Major

Attributes of Competent Person Staff Specialist Services Organisation UKAS

Conclusions Goal Setting Legislation Flexibility of In-Service Inspection Practicality of Written Schemes Can Reduce Costs with Increased Inspection Periods Can Reduce Downtime with Alternative Inspection Techniques

Examination Frequency Records for System/Similar Plant Current Condition Operating Conditions/Contents Levels of Maintenance Industry Guidance Risk Based Inspection