clouds00007 1 Report post Posted November 3, 2013 Hi,Just wan a check if this is possible.I am living on the top floor of an old flat, and in my toilets are those huge pipes which runs from the ceiling down.. Was just wondering if those are ok to be removed OR have anyone done so.Tx.. Share this post Link to post Share on other sites
Ks Toh 74 Report post Posted November 4, 2013 Normally, those big vertical pipes are common pipes serving the entire stack. You cannot do anything to them. It will affect the drainage of the building. Share this post Link to post Share on other sites
vivianie 0 Report post Posted December 15, 2013 likely to be sewage lines. your WC and floor traps will lead to those central pipes. Share this post Link to post Share on other sites