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crusty - big rcp storm drain

Length	Around 1.25 miles
Pipe type	Mainly 2.5 and 2.1m RCP, some 1.5m RCP
Interesting points	Signs that some of the 2.5m pipe has been totally flooded! Several different branches
Bad points	Slippy
Smell rating (10 good, 0 bad)	8/10
Crusty Map

	When we chanced upon this very impressive outfall, we thought we might be in for another drain of Bunker's class.
	Just inside the big flaps in a manhole chamber.
	200m in, and the 2.5m RCP split into a 2m and a 1.8m RCP. The small right hand one remains to be explored...
	This main RCP twisted and turned for a long way before coming to a split - two parallel 1.5m RCP's ran for about 50m until joinng back up.
	The chamber in which the two RCP's joined up again.
	One for the album!
	Another march up more and more RCP and we came to another junction. The small left pipe shrank to nothing.
	The right hand pipe shrank slower and after about 300m was too small to continue, we popped the lid and were back out topside.