A straightedge measuring device divided uniformly into multiples of 10 divisions per inch so that drawings can be made with decimal values. Used mainly for land measurements on site plans.

Drawings that show the location of the building on the site from an aerial view, including contours, trees, construction features, and dimensions.

A set of engineered drawings used to support the architectural design.

Drawings that show the design of the project.

Engineered drawings that show the layout for the plumbing system.

Engineered drawings that show all electrical supply and distribution.

A drawing that shows the details of the building’s sprinkler system.

A drawing that shows the layout and elevation of the building foundation.

A drawing that provides an aerial view of the layout of each room.

A drawing of the view of the roof from above the building.

Engineered drawings that show the mechanical systems, such as motors and piping.

A traditional method of reproducing technical drawings using a contact print process and light-sensitive paper that resulted in white lines on a blue background. Also, the traditional name used to describe construction drawings.

A one-line drawing showing the flow path for electrical circuitry or the relationship of all parts of a system.

A description of the symbols and abbreviations used in a set of drawings.

A part of a drawing sheet that includes some general information about the project.

In drafting, the line on which an arrowhead is placed and used to identify a component.

A dashed line showing an object obstructed from view by another object.

Solid or dashed lines showing the elevation of the earth on a civil drawing.

A line on a drawing with a measurement indicating length.

A type of three-dimensional drawing that depicts a plumbing system.

Side view of a building or object, showing height and width.

Enlarged views of part of a drawing used to show an area more clearly.

A cross-sectional view of a specific location, showing the inside of an object or building.

The making of a set of construction drawings with the aid of a computer.

Describes drawings that show relative positions and sizes only, without scale.

Schematic diagrams of a complete piping system.

Height above sea level, or other defined surface, usually expressed in feet or meters.

Heating, ventilating, and air conditioning.

HVAC components that pull air from a room and returns it to the heating or cooling system. They are different from a register in that they do not have a damper to control airflow.

Large, horizontal structural members made of concrete, steel, stone, wood, or other structural material to provide support above a large opening.

HVAC components that direct air from the heating or cooling system into a room. A damper in the _______ is used to control the airflow.

People who apply scientific principles in design and construction.

Drawings that represent a material or component on a plan.

Qualified, licensed people who create and design drawings for construction projects.

Precise written presentation of the details of a plan.

A straightedge measuring device divided into centimeters, with each centimeter divided into 10 millimeters. Usually used for architectural drawings and sometimes referred to as a metric architect’s scale.

A system for recording, documenting, and identifying drawing revisions by using a numeric or alphabetic sequence.

The ratio between the size of a drawing of an object and the size of the actual object.