20.00 Feb 4, 2026
ISO
ISO/TC 319
International Standard
This code applies to hydrogeological investigation work during the design, construction, and operational stages of new construction and reconstruction of highways in karst areas. This regulation specifies the requirements and content of each investigation stage, determines the comprehensive analysis methods, and technical requirements for the hydrogeological investigation in karst areas.
IN_DEVELOPMENT
ISO/AWI 26336
20.00
New project registered in TC/SC work programme
Feb 4, 2026