In-Service Inspection German Experiences F REISTAAT T HÜRINGEN Landesbetrieb für Arbeitsschutz und technischen Verbraucherschutz In-Service Inspection German Experiences Michael Borzel Thuringian Authority of Occupational Health and Safety Department of Technical Consumer Protection and Market Surveillance TAIEX- Workshop, Bucharest 27. Feb.- 01. Mar. 2007

T O P I C S L e g i s l a t i o n E x p e r i e n c e G u i d e

L e g i s l a t i o n - Review Instructions for Manufacturing and Operation - instructions combined in one statuary ordinance - restrictive regulations for manufacturing - solid base for a fixed scope of in-service inspection

Scope of In-Service Inspection - examination of the accompanying documents - check of the necessary equipment - are the conditions of placement in proper style Documen- tation Manometer Safety Valve Shut-off device Drain Nozzle

L e g i s l a t i o n - Review 10 years for the pressure test Instructions for Manufacturing and Operation - fixed prescriptions for periodical examination 5 years for the check of the inside wall of the vessel 10 years for the pressure test

L e g i s l a t i o n - Today Ordinance Ordinance for for Placing on the market Ordinance for Use / Operation

Time Limits in Comparison D 5 L 5 NL 4 S 3 GB 2,17 F 1,5-3 B 1-3 I 1-2 years for the check of the internal surface of the vessel Source: VdTÜV

Scope of In-Service Inspection - examination of the accompanying documents - (check of the necessary equipment) - conditions of placement (surroundings) Declaration of Conformity Instructions for Use

Scope of In-Service Inspection c‘d - determination of inspection intervals confirmation by an approved body (P * V > 200 bar litres) max. intervals - 5 / 10 years !! Instructions for Use

Defining the Inspection Intervals Instructions for Use direct from the manufacturer Examples: ... an inside corrosion test should be carried out at quarterly intervals. ... check the condition of the inside of the walls once a year. ... for maintenance and installation, the general technical rules are to be observed.

Defining the Inspection Intervals c‘d 1 4 3 2 5 years quarterly once a year possible

The Guidance Design / Fabrication Documented Quality - EC type-examination / certificate of adequacy - module G / Module B+D Documented Quality - design code, - wall thickness - corrosion allowance - ……

The Guidance Results of the In-Service Inspection c‘d Results of the In-Service Inspection - equipment - conditions of placement Operating Conditions which influence lifetime - number of stress cycles - pressure pulsation - drainage

missing or incomplete documents Implementation Advice first short - then longer periods Problems missing or incomplete documents poor workmanship

Thank you for your attention