Column Formwork System By fitting the panels, external angles and some fittings like pin and wedges will form a column with the desired height. The standard sizes of the panels are designed and produced 10, 15, ... , 50cm and with 1, 1.5 and 2 meters length and the angled sections are with 5x5, 10x5, 2.5x2.5 and the angle steel of zero size and/or any other standard size will be produced. The cover steel sheet thickness is 3mm and the reinforced strips are made 5mm strips. The Design Group of Sazeh Gostar Medhat Company designs and manufactures all panels applying the accurate analysis and calculation. As a result, they are capable to withstand against the hyrostatic forces of the concrete