10.20 Sep 23, 2026
ISO
ISO/TC 339
International Standard
This standard specifies the data requirements for the design of civil engineering works for small hydropower projects with a capacity of up to 30 MW. It covers the engineering design requirements for civil components, including:
- headworks and diversion structures (small dams, weirs, and intake works);
- desilting structures and water conductor systems (channels, tunnels, pipes, forebays, balancing reservoirs, surge tanks, penstocks, and anchor blocks);
- powerhouse structures; and
- associated infrastructure, including access roads, bridges, store facilities, and auxiliary buildings.
PROJECT
ISO/NP 27151
10.20
New project ballot initiated
Sep 23, 2026