Information For Planners On this page you will find all the information designers need to accurately apply our reinforced concrete products to their projects. Characteristics of RL beams Cross-sections of RL beams Characteristics of RT beams RT beam cross-sections RS beam characteristics RS beam cross-sections Plate support assemblies Installation diagrams for stair openings Plate cutting and removal schemes Filling of slab holes in support assemblies Negative moment assessment and additional reinforcement of slabs Lifting, storage and installation of panels