Three-ply RC MULTIsafe®3L pipes (middle ply in black and both outermost plies in green with thickness from 10% to 30%, where the outermost internal ply is at least 2,5mm thick – type 2 – in accordance with PAS 1075:2009.04) intended for tap water (sewage system) are manufactured with diameters from 90 to 500 mm.