1) The document is a joist schedule for a roof steel framing plan that includes details of open web steel joists used in the construction of a small commercial building.
2) It lists the quantity, type, dimensions, manufacturer, and other remarks for 24 steel joists used in the construction of the roof.
3) The schedule also includes notes about the design loads for the roof, materials used (such as decking and insulation), and bridging requirements between the joists.