| A | B |
|---|
| Piping and instrumentation drawings (P&IDs) | Schematic diagrams of a complete piping system. |
| Plumbing | A general term used for both water supply and all liquid waste disposal. |
| Plumbing plans | Engineered drawings that show the layout for the plumbing system. |
| Request for information (RFI) | A means of clarifying a discrepancy in the blueprints. |
| Roof plan | A drawing of the view of the roof from above the building. |
| Scale | The ratio between the size of a drawing of an object and the size of the actual object. |
| Schematic | A one-line drawing showing the flow path for electrical circuitry. |
| Section drawing | A cross-sectional view of a specific location, showing the inside of an object |
| Specifications | Precise written presentation of the details of a plan. |
| Structural plans | A set of engineered drawings used to support the architectural design. |
| Symbol | A drawing that represents a material or component on a plan. |
| Title block | A part of a drawing sheet that includes some general information about the project. |
