© 2009 Nelson Education Ltd. Carpentry First Canadian Edition 1 Chapter 21 Floor Plans

© 2009 Nelson Education Ltd.

CarpentryFirst Canadian Edition

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Chapter 21

Floor Plans



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Floor Plans

• Contain a lot of information and are used more than any other drawings

• First set of drawings made

• Usually drawn at a scale of 1/4 = 1’0” or 1:50 on a metric plan

• Separate plan for each floor of building



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Floor Plan Symbols

• Symbols used to make plan less cluttered

• Commonly recognized symbols used



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Door Symbols

• Exterior door and sliding door symbols are drawn with a line representing the outside edge of the sill

• Interior door and bypass door symbols have no sill line



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Window Symbols

• Inside and outside lines of window symbols represent the edges of the window sill

• Different kinds of windows can be used in combination



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Structural Members

• Openings, without doors, in interior walls are shown with dashed lines

• Notations for casing or arching are also given

• Garage door headers may be shown as a series of dashes

• Ceiling beams, which support ceiling joists, may also be shown as a series of dashes



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Kitchen, Bath, and Utility Room

• Fixtures are shown by symbols, notations and abbreviations

• Base cabinets are indicated by a line showing the edge of the cabinets

• Upper cabinets are shown with dashed lines, abbreviations and notations



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Other Floor Plan Symbols

• Lines indicate the outside edges of stairway treads

• Direction of travel and risers are also shown

• Location and style of chimneys, fireplaces and hearths are shown with symbols

• Attic access, floor drains and hose bibbs are shown with symbols



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Dimensions

• Read dimensions carefully to avoid problems down the line



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Exterior Dimensions

• Overall dimension of the building are on the outer dimension lines

• In a wood frame, the dimensions are to the outside face of the frame



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Exterior Dimensions (cont.)

• Concrete block walls are dimensional to their outside face

• Brick veneer walls are dimensioned to the outside face of the wood frame, with an added dimension and notation for the veneer



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Interior Dimensions

• Dimensions are given from the outside of wood frame or from the inside of concrete block walls to the centrelines of partitions

• Interior doors and other openings are dimensioned to their centreline



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Conclusions

• Floor plans utilize symbols, solid and dashed lines, notations and abbreviations

• Dimension lines must be read carefully to avoid problems down the line

Documents

© 2009 Nelson Education Ltd. Carpentry First Canadian Edition 1 Chapter 21 Floor Plans