Content Introduction: A complete set of structural construction drawings for a 300000 ton large foundry workshop in Heilongjiang. Including: general description of structural design, construction drawing of medium frequency electric furnace, equipment foundation drawing, crane beam layout drawing, foundation detail drawing, rigid bracket, upper chord support and roof support layout drawing, wind column detail drawing, structural construction drawing of auxiliary water pump room, skylight frame and component drawing, brake beam detail drawing, 105 drawings in total.