Bathroom sinks Home › Forums › Public Forums › General Plumbing › Bathroom sinks This topic has 1 reply, 2 voices, and was last updated 22 years, 7 months ago by SylvanLMP. Viewing 1 reply thread Author Posts 16 Jun 2002 at 5:40 pm #275623 MasterPlumbersKeymaster Can the plumbing for a single bathroom sink (originally) be fitted / adapted to accomodate two sinks (remodelling)?null 16 Jun 2002 at 6:32 pm #292571 SylvanLMPParticipant Depends on where the 2nd sink is going? Are you talking back to back installations or side by side? Normally an 11/2 waste line can carry 2 fixture units according to the stinking “standard plumbing code” and a basin is considered 1 fixture unit so you should be in great shape. Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In