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Noise assessment in design, construction and operation of metro units
Document status: Active
Water supply. Public utilities. With Amendments No. 1, 2, 3, 4, 5
Document status: Replaced by SP 31.13330.2021
Hygienic requirements for underground water protection against pollution
Document status: Active
EN 1998-5:2004. Eurocode 8: Design of structures for earthquake resistance – Part 5: Foundations, retaining structures and geotechnical aspects
Document status: Active
Underground storages of natural gas, oil and processing products
Document status: Active