Términos asociados con dibujos de construcción
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Términos asociados con dibujos de construcción

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Terms Associated with Construction Drawings

Construction Drawing Terms
Click on each term to find out more:
Approved Submittal Data
The fixtures and fittings in catalog drawings (or submittal data) that have been approved by the architect or engineer.

Architect's Scale
A measuring device that uses smaller units, such as ½ inch or ¼ inch, to represent 1 foot. Architect's scales are also issued in metric units. The units are used so that all building measurements are in proportion to their actual measurements but able to fit in the drawings.

Catalog Drawing
A drawing of a plumbing fixture that is found in manufacturers', catalogs. Also referred to as submittal data. Also referred to as catalog drawing.

Computer-Aided Drafting
A sophisticated design program used on computers. It allows designers to create drawings in two or three dimensions.

Construction Drawing
A drawing that shows the design, location, and dimensions of a building and its various components.

Coordination Drawing
A dimensioned drawing with elevations and sections that indicate the proposed routing of system components. The dimensioned coordination drawing includes the actual dimensioned equipment as well as the access space this equipment will need.

Details
Sections of construction drawings that are enlarged to make them clearer.

Dimension Line
A line on a drawing with a measurement indicating actual length.

Easement
A designated right-of-way, such as the access guaranteed to utility companies for repair of utilities that are located on or cross over private land, or for vehicles to cross into private property.

Extension Line
A line used on a drawing to locate a dimension away from the actual points of the dimension. This method is used when a drawing would be too crowded or cluttered if the dimensions were shown within the two points.

Electrical Drawing
A drawing that shows the location of outlets, switches, and electrical fixtures. An electrical drawing may be superimposed on the floor plan.

Elevation Drawing
A drawing of a structure showing a side, front, or back view.

Exploded Drawing
A drawing that shows how to assemble a complex product. It also shows the relationship of the individual parts to the object as a whole. Also referred to as an assembly drawing.

Fixture Drawing
A drawing that shows the components of a fixture in detail.

Floor Plan
A construction drawing of a building looking down at the floor from above (bird's eye view). The plan shows at least the outline of the wall locations and lengths to scale. Normally, this drawing is oriented such that the top of the page represents north.

Foundation Plan
A construction drawing showing the placement and dimensions of a building foundation.

HVAC
Heating, ventilation, and air conditioning (HVAC) drawing is a construction drawing that shows the placement of the furnace and air conditioning equipment and the location of ducts and registers or pipes and radiators.

Isometric
A pictorial drawing that creates the illusion of a three-dimensional object. All horizontal lines are projected at a 30-degree angle.

Oblique Drawing
A pictorial drawing that shows the shape of an object. It shows the front of the object with the body of the object at a slight angle.

Orthographic Drawing
A construction drawing that shows straight-on views of the different sides of an object. Orthographic drawings are used for elevation drawings.

Pictorial Drawing
A drawing that shows a three-dimensional view of an object.

Plumbing Drawing
A construction drawing that shows the location of fixtures and pipe runs, and shows the size and type of pipe to be installed.

Riser Diagram
A drawing that shows vertical and horizontal piping along with sizes and a riser number that refers back to the full set of plumbing drawings.

Scale
The relationship of the dimensions on a drawing to the actual dimensions of the structure. For example, in a ¼ scale, 0.25 inches represents 1 foot. Scale is often provided in both English and metric units.

Schematic Drawing
A single-line drawing of a plumbing system, electrical wiring routing, or circuit.

Sepia
A print or construction drawing with dark reddish-brown lines on a light background.

Setback
The distance a code requires between a building and a property line, such as the street.

Side Yard
The spaces along the sides of a structure that provide access to rear yards, reduce the possibility of fire jumping from one building to the next, and promote ventilation around the structure.

Single-Line Drawing
A plumbing drawing that uses a single line to represent the centerline of a pipe. Single-line drawings can be used to represent pipes of any diameter.

Site Plan
Another term for plot plan, it shows the overall construction site.

Specifications
Written requirements included with the drawings or blueprints of a construction project. They provide more details or descriptions of the technical standards that must be met during construction. Specifications usually override drawings, but are overridden by the contract. Also referred to as specs.

Symbol
A mark or drawing used to indicate a specific object, material, class, or entity. A legend shows the symbols used on a drawing and their meaning.

Takeoff
The process by which detailed lists are compiled based on the drawings and specifications of all the material and equipment necessary to construct a project. Such a list is also called a material takeoff.


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