Java Multithreading Project

I have an already made framework that implements multithreading in form of a simulation: Source (produces water), Pipes (transport water), Joins (merge two pipes into a third one), Sinks (reservoir for water). The code is not very long, only 8 .java files, averaging 30 lines each. I need to create a new type of pipe, one that splits the water, and sends it to two pipes below it. Code will be given AND EXLAINED on demand. I expect direct communication with programmer through IRC/MSN. Must be completed by tonight.