Transcript Arch18 chapter 18

Publisher
The Goodheart-Willcox Co., Inc.
Tinley Park, Illinois
© Goodheart-Willcox Co., Inc.
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Chapter 13
The Floor
Plan
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The Floor Plan
• The floor plan is the heart of a set of
construction drawings.
– All tradeworkers refer to the floor plan.
– Usually the first drawing completed.
– The basis for many other plans.
– Actually a section drawing.
• Keep the floor plan clean and
uncluttered.
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Required Information
• Information that should be included on
the floor plan includes:
– Location of Exterior and interior walls.
– Size and location of windows and doors.
– Location of Stairs.
– Room names.
– Materials used (Material symbols).
– Location and size dimensions.
(continued)
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Required Information
– Drawing scale.
– Built-in cabinets and appliances.
– Location of Permanent fixtures.
– Location of Fireplaces and Chimneys.
– Walks, patios, and decks.
– Related structures are frequently included.
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Location and Size of Walls
• Walls should be drawn actual thickness.
• Since the floor plan is a section drawing
hatch patterns (symbols) should be used to
indicate materials.
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Wall Material Symbols
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Windows and Doors
• Use a centerline to locate the opening
for windows and doors in frame walls.
• Dimension to the side of the opening in
a masonry wall.
• Openings for windows are sash width.
• Openings for doors are actual width.
• Door swing should be indicated.
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Window and Door Location
• Windows and doors should be located
in a frame wall using a centerline. Door
swing is also shown.
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Stairs and Fireplaces
• Only information about the basic size
and location of stairs and chimneys
needs to be recorded on the floor plan.
• For stairs, show direction of flight,
number of risers, and width of stairs.
• For a chimney, show basic depth and
width, opening design, and location.
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Stairs on Floor Plan
• Information about a set of stairs that is
usually included on the floor plan.
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Walks, Patios, and Decks
• Several outside features are usually
included on the floor plan.
• Walks, patios, and decks are examples.
• Indicate size and materials on the plan.
• Consider these elements as part of the
total plan.
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Room Names
• Room names help communicate the
plan to others.
• Room names should be 3/16" high.
• Room names should be in the center of
the room.
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Material Symbols
• Material symbols or material hatch
patterns are used to denote each
material.
• Use a material symbol whenever the
material should be identified.
• If the symbol is not a standard one,
identify it.
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Material Symbols
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Material Symbols
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Dimensioning
• Dimensions on a floor plan show size
and location of the features.
• Proper placement of dimensions
requires good judgment.
• Locate dimensions where one would
logically look for them.
• In architectural drafting, dimension lines
are continuous lines with the dimension
figure placed above the line.
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Dimensioning
• Dimension figures are always parallel to
the dimension line (aligned).
• Be consistent with the type of termination
symbol used for dimension lines.
• Move dimension lines out from drawing.
• Space dimension lines 1/4" or 3/8" apart.
• Make leaders no longer than 2".
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Dimensioning
• Dimensions are recorded in feet and
inches.
• Feet and inch marks may be omitted.
• Dimensions less than 1' are usually
indicated as 1/2", 2", 6", etc.
• Dimension interior frame walls to the
center of the wall.
• Dimension exterior frame walls to the
outside of the stud wall.
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Dimensioning
• Recommended method of dimensioning
frame wall construction.
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Dimensioning
• Solid masonry walls (cast concrete,
block, brick, or stone) are usually
dimensioned as shown.
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Dimensioning
• Brick veneer walls are dimensioned to
the outside of the stud wall.
• Solid masonry walls are dimensioned to
the outside of the wall.
• Overall dimensions are needed to
provide the total length and width of the
structure or major parts of the structure.
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Dimensioning
• Add up partial dimensions to be sure
they equal the overall dimensions.
• Notes are often necessary to present
information that cannot be represented
by dimensions or symbols.
• Notes should be read from the bottom
of the sheet.
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Scale and Sheet Identification
• Residential floor plans are usually
drawn at 1/4" = 1'-0".
• C-size paper is generally large enough.
• Number the sheets in the package.
– Sheet 1 of 6, 2 of 6, etc., works well.
– Sheet numbers should be placed in the
lower right-hand corner.
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