A section detail of fly ash silo has given in this 2D Autocad DWG drawing file. Insert plate, rung ladder, 750mm diameter manhole, silo wall and 750mm diameter opening is provided. PCC in front of manhole is mentioned in this model. Download the 2D AutoCAD DWG drawing file. Thank you for download the 2D AutoCAD DWG drawing file and other CAD program files from our website.