Title block - provides details about the project, the specific plan revision you're looking at, the architect or designer, the date etc.

Graduated scale - used to indicate the size and scale of objects and structures in the diagramД¬ompass - shows the orientation of the plan diagram and the structures it depicts Window and door references - a reference to specific windown and door diagrams (numbers indicate which diagrams) Section reference - a reference to a separate section diagram (numbers indicate which diagram)Дetail reference - a reference to a detail diagram (numbers indicate which diagram) Special area reference - a reference to a separate diagram detailing a special area (numbers indicate which diagram)Д®levation reference - a reference to an elevation diagram (numbers indicate which diagram) Job datum level - indicates the altitude at a specific point, relative to a universal reference point known as a ' datum'.

To help make things a bit easier, we've put together a cheat sheet to explain many of the more common abbreviations and symbols:ДЇloor level (note: the floor level is provided as a figure relative to a datum, or universal reference point) It's not always easy to make an educated guess about what a particular abbreviation or symbol might mean. House plans like floor plans, site plans, elevations and other architectural diagrams or blueprints are generally pretty self explanatory - but the devil's often in the details.

Drop pan numbers meaning