Section of Inspection chamber in AutoCAD, dwg file.

This Architectural Drawing is AutoCAD 2dd rawing of Section of Inspection chamber in AutoCAD, dwg file.An inspection chamber is smaller than a manhole and is necessary to maintain the sewer system (e.g. cleaning, flushing the system). It is normally installed at a junction where several pipes are connected or where small diameter pipes are connected to pipes with a bigger diameter.