Duct installation detail of the section view has given in this 2D AutoCAD DWG drawing file. Expansion shield with bolt, floor slab, round bar, steel truss, duct insulation sheet metal duct, nut, ceiling mounted and angular bar are mentioned in this section. Ceiling suspended FCU mounting details are mentioned. Download the 2D AutoCAD DWG drawing file. Thank you for downloading 2D AutoCAD DWG drawing file and other CAD program files from our website.