Materials, design, construction and dimensions of basins, Type 'A' rectangular shaped sinking on plan, and 'B' round bowl.Cross References:BS 1344:Part 2BS 1344:Part 4BS 1344:Part 6BS 1449:Part 2BS 1452BS 2900BS 3380BS 3831BS 4011BS 6731PD 6444:Part 2Partially replaced by BS 6731:1988.Incorporates the following:AMD 2010 published 30 June 1976AMD 5375 published 30 September 1988