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IS 329:2024 Gas distribution mains (+A1:2025)

Publication Year

2024

Document Status

Current

Abstract

Minimum requirements for the design, construction, commissioning, operation, maintenance and alteration of mains, for the distribution of first, second and third family gases, natural gas and substitute natural gas and decommissioning.

Document History

Supersedes IS 329:2024. Amendment A1 issued December 2025.

Publisher Information

National Standards Authority of Ireland

National Standards Authority of Ireland (NSAI) is Ireland’s official standards body. They operate under the National Standards Authority of Ireland Act (1996) and are accountable to the Minister of Enterprise, Trade, Employment and Innovation.