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See example measured survey drawing types such as floor plans, elevations, and sections.
Article By: Tom Ayre
Last Update: July 2022
CAD Floor plan drawings are one of the most common drawing types in architecture and building engineering projects. A floor plan is a scaled drawing showing a view from above, which clearly defines the relationship of rooms and areas to each other.
Floor plans are important as they show elements of a building and where they are positioned. Elements include doors, windows, walls, stairs, overhead beams etc.
A floor plan is one of the first places a designer will start when coming up with their designs. They can help to understand the layout of a room and see whether furniture fits, and obtain accurate floor areas for contractor pricing.
SEE EXAMPLE FLOOR PLAN DRAWINGS
A section drawing shows a cut through a building as if it has been sliced with a knife and one part has been removed. A section through a building is very useful for a designer as they can clearly see the relationships of the spaces to each other, which may not be clear on a plan.
They are also useful for getting a clearer picture of heights within a building and can show important relationships between items such as ceiling and floor levels. The direction and location of the section lines are usually stated on the floor plan drawing and, if drawn correctly, will show the section as it is at that exact location.
An elevation drawing is a view showing one side of a building. It’s the most common method to show the outside of a building and is useful as it can clearly show what an existing or proposed situation looks like.
An elevation drawing can pick up basic information such as the location of doors, windows and steps, as well as more complex features of the building’s façade, such as architectural details above windows and ironmongery.
Depending on the building work taking place, an elevation will be required on the building faces that are being changed. For example, a rear extension may require both a rear elevation and a side elevation drawing.
SEE EXAMPLE ELEVATION DRAWINGS
A site plan can be defined as a slightly simplified topographical survey. This will show your building in relation to important features such as property boundaries, other buildings on site, large trees etc.
A site plan may also show where inspection chambers are and note their details, including invert levels and drain run directions. Sometimes it is crucial to know where your proposed development sits in regard to other features, so issues like planning permission are nullified.
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