13 Floor Plans Chapter Permission granted to reproduce for educational use only.© Goodheart-Willcox...

13Floor Plans

Chapter

Permission granted to reproduce for educational use only.

© Goodheart-Willcox Co., Inc.

Introduction

• 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.

• The Floor Plan is not a typical top view but a section drawing.



Introduction



Required Information



Required Information

• Location of Exterior and Interior walls.

• Size and location of windows and doors.

• Location and size dimensions.

• Location of stairs.

• Room names.

• Materials used (Material symbols).

• Location of Permanent fixtures and built-in cabinets and appliances.

• Walks, patios, and decks attached to the structure.



Location and Size of Walls

• Draw walls accurately. Walls should be drawn to their actual thickness.

• Since the Floor Plan is a section drawing proper hatch patterns should be used to indicate materials.



Wall Material Symbols



Location and Size of Windows and Doors

• Centerlines are used to locate window and door openings in framed walls.

• Centerlines not needed in masonry construction. Dimension to the side of the opening in a masonry walls.




• Openings for windows are sash width. Window opening size = actual sash width.

• Openings for doors are actual width. Door opening size = actual door width.

• Door swings should be indicated.

• Draw sills for windows and exterior doors.




• Windows and doors are located in a frame wall with a centerline. A door swing is also shown.



Cabinets, Appliances, and Permanent Fixtures

• Show kitchen cabinets, bath vanities, fixtures, and appliances.

• Use standard symbols at proper scale.

• Check local code for clearances.



Stairs, Chimneys, and Fireplaces

• Only 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.



Stairs, Chimneys, and Fireplaces

• Information about a set of stairs that is usually included on the floor plan.



Walks, Patios, and Decks

• Outside features attached to the structure are usually included on the floor plan.

• Walks, patios, and decks are examples.

• Indicate size and materials on plan.

• These elements are considered as part of the total plan.



Room Names and Material Symbols

• Room names help to communicate the plan to others.

• Room names 3/16" high and placed in the center of the room.



Room Names and Material Symbols

• Material symbols or material hatch patterns are used to denote each material.

• Use a material symbol whenever the material should be identified.



Material Symbols



Dimensioning

• Dimensions on a Floor Plan show size and location of the features.

• Proper placement of dimensions requires good judgment and planning.

• Locate dimensions where one would logically look for them.

• In architectural dimensioning, dimension lines are continuous lines with the dimension figure placed above the dimension line and parallel to the dimension line (Aligned dimension style).



Dimensioning

• Be consistent with the type of termination symbol used for dimension lines.

• Move dimension lines out from drawing.

• Space dimension lines 1/2" apart.

• Make leaders no longer than 2".

• 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.



Dimensioning

• Dimension interior frame walls to the center of the wall.

• Dimension exterior frame walls to the outside of the stud wall.

• Dimension brick veneer walls to outside of stud wall.



Dimensioning Frame Walls



Dimensioning

• Dimension solid masonry walls to outside of wall• Overall dimensions provide total length and width

of structure or major parts of structure



Dimensioning Solid Masonry Walls



Dimensioning

• Overall dimensions are needed to provide the total length and width of the structure or major parts of the structure.

• Add up partial dimensions to be sure they equal the overall dimensions.



Dimensioning

• 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.

13 Floor Plans Chapter Permission granted to reproduce for educational use only.© Goodheart-Willcox...

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