![]() ![]() Most of the time you will see a components next to a letter with a number next to it(ie. Sometimes you will not have any abbreviations, and Most of the time you will not see any symbols. On a PCB is a completely different story. Ohm's because resistance is measured in Ohm's. This tells you resistor 102 has a value of 2.2K ohm's. Next to the symbol you will also see its value "2.2K". The abbreviation for a resistor "R" followed by a number to identify it on a PCB "R102". On a schematic you will also see a electrical components symbol next to it will have a identification number next to its abbreviation (ie. 44-46).In this instructable I will talk about how to read a schematic and how to identify electrical components on a PCB (Printed Circuit Board).Įlectrical components are identified two main ways. AS 1100.301 (2008) Technical drawing Part 301: Architectural drawing.Įxner Education Pty Ltd. 46įigure 2 Example floor plan from iBuild’s Grandview project ReferencesĬouncil of Standards Australia. Furthermore, symbols for furniture and room accessories are labelled in Figure 2 as well.įigure 1 Example floor plan from the Australian Standard AS1100.301 Pg. You would notice that in Figure 1 and Figure 2, symbols such as bathtub and windows differ slightly but they are still similar in shape. In Figure 1 and Figure 2, windows are highlighted in green, bathtubs in blue, and stairs in red. ![]() To illustrate, imagine the building as ‘sliced’ into two halves with you looking at the cross-section view and the pointy end representing the direction of the view. In Figure 1, the Section Reference symbol (as indicated in a yellow circle with a pointy tip) represents that details of Section No.2 can be found in another drawing sheet called R3. Two examples are shown below to illustrate how symbols are used in different floor plans. (These symbols usually ‘cut’ the building with a section line) (These symbols are usually drawn outside the building, e.g. (Depending on the shape of the bath tub, the corners can be curved as well) Ramp (arrow indicates the direction of upslope) Sliding door that is exposed on the face of the wall A case study will be presented in the next section to explain how these symbols are used in a typical architectural plan. Here is a list of common symbols in architectural drawings. Common Architectural SymbolsĪlthough each company has its own set of symbols, these symbols are usually similar to those in the Australian Standard. For example, using a shower symbol allows readers to visualise its location and size in the bathroom. ![]() Lastly, in many cases, symbols are designed to help readers visualise certain design features. For instance, callouts or section marks help readers navigate the drawing set and quickly find a specific element based on the drawing numbers. Secondly, there are some special symbols which aid in cross-referencing. single-hinged, double-swing, or sliding door). For example, by identifying the shape of a door symbol, we can easily understand its type (e.g. There are three main reasons why we need symbols on architectural drawings:įirstly, symbols in architectural drawings indicate what and where things need to be built and installed. ![]() In other words, symbols help us to understand design ideas that are conveyed by architects or engineers. The need to convey lots of information on a relatively small paper has favoured the use of symbols and abbreviations instead of text. What are architectural symbols, and why do we need them?Īs specified in the Australian Standard AS1100.301 Clause 4.3.2, an architectural symbol is a mark, a character, a letter, or a combination to indicate an object, idea, or process on a drawing. ![]()
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