Link up the standard or triangle frame with the horizontal member; Fit U-head. DSS Erection Procedure Skills Posted on October 6, 2026 ← Complete the service platform for fitting main bearer and secondary runner, wall pieces and formwork panels. This platform should remain in position to allow inspection of the slab underside, as well as leveling, removing formwork and dismantling. Position the new access platform and its ladder. Still working in safety from lift 3, protected by the triangle of lift 4, insert the standard or triangle frame. →