PlansHow to read a floor planWhat a floor plan is, why line weight carries meaning, how walls, doors, windows, tags and hatch are drawn, and an order of reading that misses nothing.About 1853 words.Vertical viewsHow to read elevations and sectionsElevation versus section, how markers on the plan locate both, how level datums give heights, and what a section shows that no plan can.About 1512 words.ScaleThe architect's scale explainedWhat a drawing scale promises, the architect's and engineer's families, converting both ways, why the bar scale beats the printed note, and wrong scale errors.About 1424 words.DimensionsReading dimension stringsWhy dimensions come in parallel rows, how overall, grid and locating strings check each other, what CLR and EQ instruct, and which face a dimension is taken to.About 1489 words.NavigationSheet numbering and set organisationHow a US sheet number encodes discipline and drawing type, why a set is ordered as it is, what the sheet index is for, and how to find a drawing fast.About 1349 words.Cross referencesSection and detail calloutsHow a marker on one drawing names a drawing on another, what each marker shape means, drawing number over sheet number, and what a match line tells you.About 1388 words.SchedulesDoor and window schedulesHow a plan tag leads to a schedule row and a type in elevation, what each door and window schedule column carries, and where the specification takes over.About 1404 words.PlansReflected ceiling plansWhat reflected means and why the plan is not flipped, how ceiling heights and grids are shown, and how the ceiling plan coordinates with MEP sheets.About 1323 words.StructuralReading structural drawingsHow foundation and framing plans are organised, why the grid carries everything, how member callouts and footing tags read, and where structural hands off.About 1288 words.ConsultantsReading MEP drawingsWhy consultant plans show the architecture screened, how to follow air, water and circuits, what duct and pipe labels carry, and how trades coordinate.About 1373 words.

Where to go next

A guide explains a convention. The lessons walk you through the same material on a real sheet with a checkpoint at the end, and the reference pages are the lookup you keep open while you work.