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Legislation/Applicable standard

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ReferenceTitle
LVS EN 287-1:1992 + A1:1997Approval testing of welders - Fusion welding - Part 1: Steels
LVS 419:2002Internal gas pipelines - Installation
LVS 420:2002Gas appliances - Conditions for installation of gas appliances
LVS EN 437:2003Test gases - Test pressures - Appliance categories
LVS 445:2003Operation and Maintenance of natural gas distribution and Consumer supply systems with max. operation pressure 1,6 MPa (16 bar)
LVS EN 719:1994Welding coordination - Tasks and responsibilities
LVS EN 970:1997Non destructive examination of fusion welds - Visual examination
LVS CR 1749:2002European scheme for the classification of gas appliances according to the method of evacuation of the products of combustion (types)
LVS EN ISO 9606-3:2001 AApproval testing of welders - Fusion welding - Part 3: Copper and copper alloy
LVS EN 12732:2001 AGas supply systems - Welding steel pipework - Functional requirements
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