Balustrade around the vast atrium with profiled posts powder coated and stainless steel handrail and including facia cladding panels with similar in the library but including curved glass. Internal stairs are designed with perforated metal infill panels.Roof access ladders, metal decking to plant areas , extensive riser flooring in open steel grillage with all neccessary supports along with metalwork for external benches and miscellaneous metalwork.