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Appendix A4

Section A4.404

California Green Building Standards Code (Title 24, Part 11) · 2022 edition · updated 2026-09-12 · California

EFFICIENT FRAMING TECHNIQUES A4.404.1 Lumber size. Beams, headers and trimmers are sized and installed as specified in Chapter 23 of the Califor-

nia Building Code, or Chapter 6 of the California Residential Code, as applicable. Other calculations acceptable to the enforcing agency which use the minimum size member for the tributary load shall be acceptable.

A4.404.2 Dimensions and layouts. Building dimensions and layouts are designed to minimize waste by one or more of the following measures in at least 80 percent of the structure:

  1. Building design dimensions in 2-foot increments are used.

  2. Windows and doors are located at regular 16′′ or 24′′ stud positions.

  3. Other methods acceptable to the enforcing agency. A4.404.3 Building systems. Use premanufactured building systems to eliminate solid sawn lumber whenever possible. One or more of the following premanufactured building systems is used:

  4. Composite floor joist or premanufactured floor framing system.

  5. Composite roof rafters or premanufactured roof framing system.

  6. Panelized (SIPS, ICF or similar) framing systems.

  7. Other methods approved by the enforcing agency. A4.404.4 Pre-cut materials and details. Material lists are included in the plans which specify the material quantity and provide direction for on-site cuts to be made from the material provided. Material lists and direction shall be provided for the following systems:

  8. Floor framing.

  9. Wall framing.

  10. Ceiling and roof framing.

  11. Structural panels and roof sheathing.

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▸Contents — California Green Building Standards Code (Title 24, Part 11)
California Green Building Standards Code (Title 24, Part 11)
  1. Chapter 1 — ADMINISTRATION
  2. Chapter 2 — DEFINITIONS
  3. Chapter 3 — GREEN BUILDING
  4. Chapter 4 — RESIDENTIAL MANDATORY MEASURES
  5. Chapter 5 — NONRESIDENTIAL MANDATORY MEASURES
  6. Chapter 6 — REFERENCED ORGANIZATIONS AND STANDARDS
  7. Chapter 7 — INSTALLER AND SPECIAL INSPECTOR QUALIFICATIONS
  8. Chapter 8 — COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL
  9. ▸Appendix A4
    Overview
    1. Section A4.101
    2. Section A4.102
    3. Section A4.103
    4. Section A4.104
    5. Section A4.105
    6. Section A4.106
    7. Section A4.107
    8. Section A4.108
    9. Section A4.201
    10. Section A4.202
    11. Section A4.203
    12. Section A4.301
    13. Section A4.302
    14. Section A4.303
    15. Section A4.304
    16. Section A4.305
    17. Section A4.306
    18. Section A4.401
    19. Section A4.402
    20. Section A4.403
    21. Section A4.404
    22. Section A4.405
    23. Section A4.406
    24. Section A4.407
    25. Section A4.408
    26. Section A4.409
    27. Section A4.410
    28. Section A4.411
    29. Section A4.501
    30. Section A4.502
    31. Section A4.503
    32. Section A4.504
    33. Section A4.505
    34. Section A4.506
    35. Section A4.507
    36. Section A4.508
    37. Section A4.509
    38. Section A4.601
    39. Section A4.602
    40. Section A4.602
    41. Section A4.602
    42. Section A4.602
    43. Section A4.602
    44. Section A4.602
    45. Section A4.602
    46. Section A4.602
    47. Section A4.602
    48. Section A4.602
  10. Appendix A5

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