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Scaled Drawings• Plan drawings to scale allows a visualization of
relative room areas and location, house to property location and basic functional design of the plan.
• Using scaled drawings allows the architect or designer to indicate specific information.
• Scaled elevations provide a visual image of the entire building and or various section components.
• Different scales are used for different drawing types.
1/4" to 1' = most common plan scale
Architect Scale
Notice 1', 3', 5' etc. numbers not present
Opposite end 1/8" scale foot numbers
¼" Scale: Inch and odd # feet increments have no numbers. What is the length between arrows ?
7' – 9"
1 ½” = 1 foot scale
What is the length represented ?
1’ – 8”
?
3/8” scale
What is the length represented ? 7’ – 6”
¾ " to 1' scale common to cabinetry detail drawings
¾ scale 2' – 6" would = ____? On the inch ruler
1 7/8"
Standard U.S. 12" rulerFull scale
3/32" = 1' scale
The architect scale ruler has how many different scales ? 11
Used most common for large area plan view such as property dimensions or large commercial construction site plans.
One inch = 20', the # 2 represents 20'
The # 4 is one inch from "0" represents 40'
This increment line represents ? Feet and is ? Inches long
70' 1 ¾"
The engineers scale has how many different scales 6
Plan Dimensions• Most dimensions will be written on the plan.
• Occasionally a needed dimension will not be available. The appropriate scale will allow the plan reader to measure this dimension.
• If a written dimension and the scale dimension measured are different, Use the written dimension.
• Sometimes in the field a carpenter may need to scale a dimension without a scale available.
• The standard inch rule can be used.