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Cathodic Protection (CP) of Buried Pipelines, Pipelines of Complex Structures and Steel Tanks; Planning, Construction, Commissioning, Operation and Maintenance ++ PDF file ++
This Standard GW 10 shall apply to the planning, construction, commissioning, operation and maintenance of ca-thodic corrosion protection (CP) of buried pipelines, storage vessels and buried steel LPG tanks, which are required to have cathodic protection. For all other buried installations with cathodic protection, this standard can be applied mutatis mutandis.
Welding Joints of Steel Pipelines for Gas and Water Supply; Manufacturing, Testing and Evaluation ++ PDF file ++
This Technical Rule GW 350 equally applies to water supply systems, which fall within the scope of DIN EN 805 and for which the DVGW Standards W 400-1 to W 400-3 have to be observed.
Closing-off Structures for Water Abstraction Wells ++ PDF file ++
This Code of Practice W 122 applies to closing- off structures of wells used for ground water production and reinjection for the purpose of drinking water and service water abstraction. It can analogously also be applied to the thermal utilisation of groundwater wells.
Technical Rules for Water Supply Systems; Part 1:
This Code of Practice W 400-1 applies to the design of water supply systems in the drinking water supply, including long-distance, feeder, main, supply and service lines.
Plastics Piping Systems for Gas and Water Supply; Requirements and Testing; Part A6: PA-U 160 and PA-U 180 Pipes and their Joints and Connections ++ PDF file ++
Decision Support for the Rehabilitation of Water Distribution Systems ++ PDF file ++
This Guideline W 403 applies to the elaboration of a rehabilitation strategy and rehabilitation planning, covering also the implementation of renewal and renovation measures (rehabilitation measures) for water distribution systems (pipeline networks, including long-distance mains) and complementing at the same time the fundamental requirements set forth in DVGW W 400-3 (A).
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