: These specifications frequently reference international standards such as (e.g., for geotextiles and material testing) and (British Standards) for civil works. Specific Components Geotextiles
: Performance requirements for post-improvement ground, such as ensuring total settlement does not exceed 25mm for footings and safety factors against liquefaction are at least 1.25 .
, this section governs the design of foul water gravity sewers, manholes, and pumping stations. Compliance and Application
Strict limits on plastic limits, liquid limits, and organic content.