On Fri, 20 May 2011 11:51:21 +0100 (BST)
"Dave Liquorice" wrote:

Or like here find a bit of "waste pipe" beneath a sink heading into
the floor heading in the direction of drain that is in the way. Cut
through it only to find that some bozzo had used it to sleeve the
rising main...

Classic. How's your pressure and flow?