pumps

how far forward can titanic's pumps go

First off, greetings everyone. Now that I've finished my introduction on another thread, I'd like to pose my first question. Here goes. I seem to recall reading somewhere that the Titanic was capable of opening hatches or something of the sort near her stern. I believe it said they were located...

how menny pumps were on the titanic? and ware was the main feed pump?