architectural (residential) drafting dt 1100
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Architectural (Residential) Drafting DT 1100. Scales, Symbols: Floor Plan, Materials in Section, and Door/Window Symbols. Architectural Scale. History of the Measuring System. Royalty determined units of measurement King Henry I Yard measurement King Edgar Inch measurement - PowerPoint PPT PresentationTRANSCRIPT
Architectural (Residential) DraftingDT 1100
Scales, Symbols: Floor Plan, Materials in Section, and Door/Window Symbols
History of the Measuring System
Royalty determined units of measurement
King Henry I Yard measurement
King Edgar Inch measurement
King Charlemagne Foot measurement
The Architectural ScaleMeasures Feet and Inches
Two types or designs of scale divisions:Fully DividedOpenly Divided
The Architectural Scale
Makes large things small and proportionally accurateCommon floor plan scale is 1/4” = 1’- 0”Other proportions or measurements on the Architectural Scale1/8”, 3/16”, 3/4”, 1”, 3/32”, 3/8”, 1/2”
1 1/2” and 3”Full size measurement is the 16 scale, meaning 16 parts of an inch equaling 1/6”.
Size Determination of a Scale
Example: ½’ = 1’-0”
Reduce each side of the equation to same units and compare ½” = 1’-0” ½” = 12”½”/(½”) = 12” / (½”) 1 = 24 therefore scale size is 1/24
Writing the Actual Measurement
Feet and Inch/fractions: 6’-7 1/2”
Even feet no inches: 4’- 0”
Feet and zero inches/fractions: 8’- 0 3/4”
No feet only inches: 10”
No feet only inches/fractions: 5 1/2”
Only fractions of an inch: 3/4”
Material Symbols in Section Used to represent construction material when sliced or cut by cutting plane
The type of symbols used depends on the the scale of the drawing
Symbols may vary with each office. Common material symbols designations have been derived by:1) Committee on Office Practice (AIA), 2)Task Force on Production Office Procedures North California Chapter AIA, 3)pamphlets, 4)manufacture literature, 5)textbooks, and 6)government agencies
Other Material SymbolsOther Material Symbols
A. Wood frame wallB. Small scale masonryC. Large scale double wythe brick wallD. Concrete masonryE. Steel tubeF. Steel S or W shapeG. Poured concreteH. Batt InsulationJ. Rigid insulationK. Small scale plywoodL. Large scale plywoodM. Soil/EarthN. Gravel
Other Material SymbolsOther Material Symbols
P. Wood and timbers in end view
Q. Small scale steel in section
R. Large scale steel in section
S. Laminated timbers in end view
U. TJI side and end
V. Open-web trusses
Interior Door/Window SymbolsFor Interior doors there is no threshold at door way
Cross lines at door swing and door intersection
Length of door on plan represents actual door size
Floor Plan SymbolsPouche’ or Poche’ is a tone added to the walls to help them stand out on the plan. Options are: Straight line poche Freehand curved line poche Leave walls blank
Do
This
One
Poche’ added to Wall
Floor Plan SymbolsProfile line added to accent outside of wall
Use .9 mm pencil, usually done at the last so graphite will not smear
Add Profile Line
Floor Plan Symbols
Other material symbols are also used along with the poche’, for example: brick and/or concrete
Brick Added to Frame