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Foundation Plans

Chapter. 14. Foundation Plans. Objectives. Identify the primary features included in a foundation plan. Discuss the differences between a foundation plan and a basement plan. Objectives. Design and draw a foundation plan for a typical residential structure using traditional or CADD methods.

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Foundation Plans

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  1. Chapter 14 Foundation Plans

  2. Objectives • Identify the primary features included in a foundation plan. • Discuss the differences between a foundation plan and a basement plan.

  3. Objectives • Design and draw a foundation plan for a typical residential structure using traditional or CADD methods. • Design and draw a basement plan for a typical residential structure using traditional or CADD methods.

  4. Foundation Plan • Foundation plan • Plan view drawing in section • Location and size of footings, piers, columns, foundation walls, beams, pilasters • Usually drawn after the floor plan and elevations have been roughed out

  5. Foundation Plan

  6. Basement Plan • Basements • Popular where frost penetration is several feet deep • Provide usable space at less cost • Basement plan • Combination foundation and floor plan • Required for a split-level house

  7. Basement/Foundation Plan

  8. Employability • Time management • Understand, meet or beat deadlines • Complete work accurately and precisely • Use employer’s time management techniques

  9. Preparing to Draw a Foundation or Basement Plan • Study information on the preliminary floor plan, plot plan, and elevations • Use the floor plan as an underlay • Determine type and size of exterior walls • Stud wall frame • Stud wall with brick veneer and brick ledge

  10. Preparing to Draw a Foundation or Basement Plan • Examine elevations and plot plan • Need for stepped footings or retaining walls • Identify grade problems • Determine size of footings and foundation • Check soil bearing capacity • Refer to local building codes

  11. Traditional Drawing Techniques • Steps for drawing a foundation plan and a basement plan are similar • Drawing techniques are the same for both • More information and additional steps are required for a basement plan

  12. Manual Drafting: Foundation Plan 1. Select scale (usually 1/4" = 1'-0") 2. Locate outline of foundation walls 3. Draw foundation walls, piers, and pilasters (posts) 4. Indicate breaks in foundation wall 5. Lay out and draw wall footings

  13. Manual Drafting: Foundation Plan 6. Draw footings for piers and columns (posts) 7. Draw footings for fireplace and chimney 8. Locate and draw supporting beam (if required) 9. Show size, spacing, and direction of joists or trusses 10. Identify location of section details

  14. Manual Drafting: Foundation Plan 11. Add dimensions to show size of all aspects of foundation 12. Letter any necessary notes 13. Add proper material symbols 14. Add title block, scale, and drawing name 15. Check drawing for accuracy and completeness

  15. Architecture Green • Green foundations • Fly ash in concrete • Pressure-treated lumber • Check local building codes

  16. Manual Drafting: Basement Plan 1. Select scale (usually 1/4" = 1'-0") 2. Draw exterior foundation 3. Draw footings for walls, chimney, fireplace, piers and columns (posts) 4. Locate and draw the beam and supports or bearing wall partition(s) 5. Design room layout in basement area, darken lines

  17. Manual Drafting: Basement Plan 6. Indicate breaks in walls for windows, doors 7. Locate and draw stairs 8. Show size, spacing, direction of floor joist or trusses 9. Identify location of sections required to provide additional information 10. Locate and draw bath fixtures, furnace, water heater, storage tank, water softener, sump, floor drains

  18. Manual Drafting: Basement Plan 11. Add dimensions to show all features 12. Letter any necessary notes 13. Show electrical (if required) 14. Add proper material symbols 15. Add title block, scale, and drawing name 16. Check drawing for accuracy and completeness

  19. Partially Completed Basement Plan

  20. CADD Drawing Techniques • Drawing is created at full scale, 1'- 0" = 1'- 0", or 1:1 • Appropriate scale is applied when drawing is plotted

  21. CADD: Foundation or Basement Plan • Make copy of floor plan on new layer • Draw outside line of foundation walls, delete outside line of floor plan wall if they do not coincide 3. Draw all footings 4. Draw stairs, interior walls, windows, doors for basement plan

  22. CADD: Foundation or Basement Plan 5. Draw interior walls, insert door and window symbols into plan 6. Dimension plan 7. Insert symbols for appliances, fixtures, and furnace 8. Add cutting plane symbols where required

  23. CADD: Foundation or Basement Plan 9. Label room name and sizes 10. Add scale and title to foundation plan layer 11. Look over plan for completeness

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