... to erect and remove 3.replace timber beams 4.adjustable telescopic main beam Formwork and Scaffolding System 1. Introduction ... system,steel scaffold parts and couplers, formwork system, scaffold frame, scaffold props,shuttering materials, base jack, plywood supporting ... Props & Horizontal Props ( need no scaffold clamps) d. Adjustable Steel Props ( customized sizes available) e. Scaffold Clamps ( ...