§ 1642. Schedules of Timber Scaffolds up to 60 Feet in Height.  


Latest version.
  • (Listed lumber sizes are those required for the specified spans; other sizes may be used for different spans, if equivalent strength is provided.)
    Light
    Heavy
    Interior
    Trades
    Trades
    Uprights for scaffolds
    not over 20' in height
     
    2‘x4‘
    2‘x4‘
    4‘x4‘
    Uprights for scaffolds 20'
    to 60' in height
     
    3‘x4‘
    3‘x4‘
    4'x6‘
    Ribbons directly under ledgers
     
    1‘x6‘
    1‘x6‘
    1‘x6‘
    Ledgers
     
    2‘x10‘
    2-1‘x6‘
    2-1‘x6‘
    or 1-2‘x6‘
    Spacing uprights, transverse,
    at right angles to platform planks
     
    10'
    3' in clear
    4' in clear
    Spacing uprights, longitudinal,
    parallel t direction of platform
    planks
     
    10'
    10'
    7'
    Spacing ribbons or ledgers,
    vertical
     
    7'0‘ max.
    7'0‘ max.
    7'0‘ max.
    Splice pieces 48‘ long
    (for uprights)
     
    2-1‘x4‘ or
    2-1‘x4‘ or 2-2‘x4‘
    (2-2‘x4‘)
    (2-2‘x4‘)
    Braces
     
    1‘x6‘
    1‘x6‘
    1‘x6‘
    RAiling
     
    2‘x4‘
    2‘x4‘
    2‘x4‘
    Toeboard
     
    1‘x4‘
    1‘x4‘
    1‘x4‘
    Width of platform
     
    10'
    3' max.
    4' max.
    Planking
     
    2‘ thick and at least 10‘ wide
HISTORY
1. Repealer and new section filed 11-14-75; effective thirtieth day thereafter (Register 75, No. 46).
2. Amendment filed 3-19-79; effective thirtieth day thereafter (Register 79, No. 12).

Note

Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.