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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

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Architectural residential drafting dt 1100

Architectural (Residential) DraftingDT 1100

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



History of the measuring system
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 scale
The Architectural Scale

  • Measures Feet and Inches

  • Two types or designs of scale divisions:

    • Fully Divided

    • Openly Divided


The architectural scale1
The Architectural Scale

  • 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
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
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
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
Architectural Symbols Measurements

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


Usually not in color

Usually not in color Measurements


Material symbols in section
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
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 symbols1
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
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
Exterior Door/Window Symbols Measurements

Threshold is shown on all exterior door symbols

Outside


Drawing the door symbol
Drawing the Door Symbol Measurements

Demo on the Board


Floor plan symbols

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


Floor plan symbols1

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


Floor plan symbols2

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
Symbol Exercise Handout Measurements

BATT

(LARGE SCALE)


Example of exercise
Example of Exercise Measurements

RUBBLE

CONC BLK



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