looking at a proberty today.... in side the proberty the plaster as fallen away ,, on the out side there looks like 2 courses of brick have been put under a upstairs window under these are what appers to be 4 pipes sticking out about one inch ,,, these look to be 15mm copper pipe thay are not on the inside,, what is there purpouse no other proberty as them thay are not connected to any plumbing and are not connected together,,, the pipes are about 2 feet apart