BS 6906-3 89th Edition, November 30, 1989
Methods of Test for Geotextiles Part 3: Determination of Water Flow Normal to the Plane of the Geotextile Under a Constant Head
Includes all amendments and changes through Reaffirmation Notice , October 15, 1995
Additional Comments: W/D S/S BY BS EN ISO 12958
Published By:British Standards Institution (BSI)
Determination under conditions of constant, unidirectional flow up to 300 L̂Ss-1̂Sm-2 at a head loss of 100 mm.