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# Architectural (Residential) Drafting DT 1100 - PowerPoint PPT Presentation

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

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### Architectural (Residential) DraftingDT 1100

Scales, Symbols: Floor Plan, Materials in Section, and Door/Window Symbols

• Royalty determined units of measurement

• King Henry I

• Yard measurement

• King Edgar

• Inch measurement

• King Charlemagne

• Foot measurement

• Measures Feet and Inches

• Two types or designs of scale divisions:

• Fully Divided

• Openly Divided

• Makes large things small and proportionally accurate

• Common floor plan scale is 1/4” = 1’- 0”

• Other proportions or measurements on the Architectural Scale

• 1/8”, 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 Measurements

• 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

Sizes Compared to Scales Measurements

1/8” = 1/96 size, 1/4” = 1/48 size

3/32” = 1/128 size, 3/16” = 1/64 size

Writing the Actual Measurement Measurements

• 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”

Scale Chase Time! Measurements

Architectural Symbols Measurements

• Architectural Materials in Section, Door and Window Symbols, and Floor Plan Practice using Symbols

### Usually not in color Measurements

Material Symbols in Section Measurements

• 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 Symbols Measurements

• A. Wood frame wall

• B. Small scale masonry

• C. Large scale double wythe brick wall

• D. Concrete masonry

• E. Steel tube

• F. Steel S or W shape

• G. Poured concrete

• H. Batt Insulation

• J. Rigid insulation

• K. Small scale plywood

• L. Large scale plywood

• M. Soil/Earth

• N. Gravel

Other Material Symbols Measurements

• 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 Symbols Measurements

• For 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

Exterior Door/Window Symbols Measurements

Threshold is shown on all exterior door symbols

Outside

Drawing the Door Symbol Measurements

Demo on the Board

Poche’ added to Wall Measurements

Floor Plan Symbols

• Pouche’ 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

Add Profile Line Measurements

Floor Plan Symbols

• Profile line added to accent outside of wall

• Use .9 mm pencil, usually done at the last so graphite will not smear

Brick Added to Frame Measurements

Floor Plan Symbols

• Other material symbols are also used along with the poche’, for example: brick and/or concrete

Symbol Assignment Measurements

Symbol Exercise Handout Measurements

BATT

(LARGE SCALE)

Example of Exercise Measurements

RUBBLE

CONC BLK