We can install inspection well in two ways. The first way is we use stainless steel frame with Corrugated wall pipe. The second way is that we use inspection well Base with Corrugated wall pipe.
Stainless Steel Frame with Pipe- the first way
We place a stainless steel frame when we start to build the rainwater tank system, and when all is ready we place the corrugated wall pip on the top of stainless steel frame. See the pictures below: