BSI - BS 4962
Specification for Plastics pipes and fittings for use as subsoil field drains
|Publication Date:||31 July 1989|
|ICS Code (Irrigation and drainage equipment):||65.060.35|
|ICS Code (Plastics pipes and fittings for non fluid use):||83.140.30|
Subsoil drains and corresponding unperforated system links in sizes up to 400 mm diameter.