This standard specifies procedures and practices which are safe and environmentally acceptable.It covers the functional recommendations for design,construction, testing, commissioning, operation and maintenance of underground gas storage facilities in rock caverns up to and including the top flanges of the casings. It does not cover refrigerated gas storage.The necessary surface facilities for an underground gas storage are described in EN 1918-5.In this context "gas" is any gaseous fuel which is in a gaseous state at a temperature of 15 °C under a pressure of 1 bar.This European Standards specifies common basic principles for gas supply systems. Users of t
EN 1918-4:1998 history
2016EN 1918-4:2016 Gas infrastructure - Underground gas storage - Part 4: Functional recommendations for storage in rock caverns
1998EN 1918-4:1998 Gas Supply Systems - Underground Gas Storage - Part 4: Functional Recommendations for Storage in Rock Caverns