1. PowerPoint Presentation
Publisher The Goodheart-Willcox Co., Inc. Tinley Park, Illinois 1

2. Chapter 12
The Foundation Plan 2

3. Chapter 12 Overview Introduction
Preliminary Steps to Drawing a Foundation Plan
Drawing a Foundation Plan
The Basement/Foundation Plan
Procedure for Drawing a Basement Plan Manually
Drawing a Foundation/Basement Plan Using CADD 3

4. Learning Objectives
Identify the primary features included in a foundation plan.
Discuss the difference between a foundation plan and a basement plan.
Design and draw a foundation plan for a typical residential structure using traditional or CADD methods. 4

5. The Foundation Plan
The foundation plan is a plan view drawing in section.
Shows the location and size of footings, piers, columns, foundation walls, and supporting beams.
Usually drawn after the floor plan and elevations have been roughed out. 5

6. Simple Foundation Plan
This foundation plan provides the necessary information. 6

7. Foundation Plan Features
The following features are shown on a foundation plan:
Footings for walls, piers, and columns.
Foundation walls.
Piers and columns (posts).
Dwarf walls.
Partial walls, doors, and bath fixtures (basement).
Openings in foundation wall.
(continued) 7

8. Foundation Plan Features
Beams and pilasters.
Direction, size, and spacing of floor joists or trusses.
Drains and sump (if required).
Details of foundation and footing construction.
Complete dimensions and notes.
Scale of drawing. 8

9. Basement/Foundation Plan9

10. Foundation Plan Symbols10

11. Preliminary Steps
Study information presented on the preliminary floor plan, plot plan, and elevation.
Use the floor plan as an underlay.
Reduces time and errors. 11

12. Preliminary Steps Determine the type of exterior wall specified.
Foundation size depends on wall type.
4" brick ledge required for brick veneer house.
Plot plan information.
Stepped footings, retaining walls, and grade problems.
Refer to building code. 12

13. Foundation Wall Types 13

14. Existing Grade 14

15. Soil Test 15
(K&S Testing and Engineering, Inc )

16. Drawing a Foundation Plan
Follow these steps:
Select the scale (usually 1/4" = 1'-0").
Locate the outline of foundation walls.
Draw the foundation walls, piers, and pilasters.
Draw the foundation for fireplace and chimney.
Indicate breaks in the wall for windows, doors, access holes, vents.
(continued) 16

17. Drawing a Foundation Plan17

18. Drawing a Foundation Plan
Lay out and draw wall footings.
Draw footings for piers and columns.
Draw footings for fireplace and chimney.
Locate and draw the supporting beam.
Show size, spacing, and direction of joists or trusses.
Identify location of sections.
(continued) 18

19. Drawing a Foundation Plan19

20. Drawing a Foundation Plan
Draw and dimension the necessary sections. 20

21. Drawing a Foundation Plan
Identify dimensions needed to show size and location.
Draw the dimension lines.
Add necessary notes.
Shade the foundation walls with material symbols or hatch patterns.
Add title block, scale, and drawing name.
Check over the drawing. 21

22. Drawing a Foundation Plan
Completed foundation plan. 22

23. Basement/Foundation Plan
Basements are popular where frost penetration is several feet deep.
Basements provide usable space at less cost.
The basement plan is a combination foundation and floor plan.
A split-level house is an example of where a basement plan would be drawn. 23

24. Basement Plan
Completed basement/foundation plan. 24

25. Drawing a Basement Plan
Follow these steps:
Similar to drawing a foundation plan.
Select the scale (usually 1/4" = 1'-0").
Draw exterior foundation walls using the floor plan as an underlay.
Draw the footings for walls, fireplace, and columns.
Locate and draw the beam and supports or bearing wall partitions. 25
(continued)

26. Drawing a Basement Plan
Partially completed basement plan. 26

27. Drawing a Basement Plan
Design room layout in the basement.
Indicate breaks in basement walls for windows and doors.
Locate and draw stairs.
Show size, spacing, and direction of joists or trusses.
Identify the location of sections required to provide additional information.
(continued) 27

28. Drawing a Basement Plan
Walls, doors, windows, etc., are added. 28

29. Drawing a Basement Plan
Draw the necessary sections and dimension them. 29

30. Drawing a Basement Plan
Locate and draw bath fixtures.
Locate furnace, water heater, storage tank, etc.
Determine the location of dimensions to show all features.
Draw the dimension lines with distances.
Letter any notes.
(continued) 30

31. Drawing a Basement Plan
Show electrical switches, outlets, and fixtures.
Shade the foundation walls with proper material symbols or hatch patterns.
Add title block, scale, and the name of the drawing.
Check the drawing. 31

32. Drawing a Basement Plan
The completed basement plan. 32

33. Drawing a CADD Basement Plan
Preliminary Steps
Study the rough floor plan.
Study the site plan.
Study the rough elevation.
Identify special footings.
Identify grade problems. 33

34. CADD Drawing Procedure
Follow these steps:
Call up a copy of the floor plan to use as an underlay.
Locate the outline of the foundation walls, footings, and piers.
Locate chimney and its footing, if applicable.
(continued) 34

35. CADD Drawing Procedure
First steps of drawing a basement plan with CADD. 35

36. Using CADD Layers Plan the use of layers.
Foundation walls need a layer.
Footings need a layer.
Windows need a layer.
Dimensions need a layer.
Fireplace needs a layer.
Use layers for convenience and clarity. 36

37. CADD Drawing Procedure
Draw the interior walls with openings for windows, and doors.
Draw the stairs.
Turn off the floor plan underlay.
Draw all interior walls and insert window and door symbols into the plan.
Add joist direction, window wells, etc.
(continued) 37

38. CADD Drawing Procedure
Stairs are added. 38

39. CADD Drawing Procedure
Dimension the drawing using the DIMENSION commands.
Add interior features.
Add appliances, fixtures, furnace, and room names and sizes.
Add cutting-plane lines.
Add the scale and title.
Look over the plan. 39

40. CADD Drawing Procedure
Basement plan completed with CADD. 40

41. CADD Application This residential structure has a complex foundation.41
(Sater Design Collection, Inc.)