NOTE: A 1 1/8 -inch by 10-inch by 10-inch piece of exterior grade plywood may be used in lieu of the wooden base mentioned above.
NOTE: Toeboards or side screens may also be required. (See Section 1621.)
EXCEPTIONS:
A plank shall not overlap an unsupported end of another plank.
The working platform shall cover the entire space between scaffold uprights, except for the open area under the back railing. Such open area shall not exceed 10 inches in width.
The inboard edge of the work platform shall be no more than 16 inches from the building or structure wall except for those scaffolds used by bricklayers and stonemasons the platforms of which shall extend to within 7 inches of the finish face of the building or structure on which the work is being performed.
Table 1 Light Duty Tube and Coupler Scaffolds | |
Uniformly distributed load.......................... | ..........................Not to exceed 25 p.s.f. |
Post spacing (longitudinal).......................... | ..........................10' 0" |
Post spacing (transverse).......................... | ..........................6' 0" |
Working Levels | Additional Planked Levels | Maximum Height |
1 | 8 | 125' |
2 | 4 | 125' |
3 | 0 | 91' 0" |
Table 2 Medium Duty Tube and Coupler Scaffolds | |
Uniformly distributed load.......................... | ..........................Not to exceed 50 p.s.f. |
Post spacing (longitudinal).......................... | ..........................8' 0" |
Post spacing (transverse).......................... | ..........................6' 0" |
Working Levels | Additional Planked Levels | Maximum Height |
1 | 6 | 125' |
2 | 0 | 78' 0" |
Table 3 Heavy Duty Tube and Coupler Scaffolds | |
Uniformly distributed load.......................... | ..........................Not to exceed 75 p.s.f. |
Post spacing (longitudinal).......................... | ..........................6' 6" |
Post spacing (transverse).......................... | ..........................6' 0" |
Working Levels | Additional Planked Levels | Maximum Height |
1 | 6 | 125' |
NOTE: Where an intervening ledge prevents the vertical stacking of legs, the ledge may be used as a base provided that an equally safe installation is obtained.
Cal. Code Regs. Tit. 8, § 1644
2. Amendment of subsection (a)(6) filed 8-3-76 as an emergency; effective upon filing (Register 76, No. 32).
3. Certificate of Compliance filed 10-8-76 (Register 76, No. 41).
4. Amendment filed 3-19-79; effective thirtieth day thereafter (Register 79, No. 12).
5. Amendment of subsection (a)(5) filed 9-5-79; effective thirtieth day thereafter (Register 79, No. 36).
6. Amendment of subsections (a)(4) and (a)(5) filed 1-17-80; effective thirtieth day thereafter (Register 80, No. 3).
7. Amendment of subsection (a)(7) filed 10-5-81; effective thirtieth day thereafter (Register 81, No. 41).
8. Amendment filed 7-24-87; operative 8-23-87 (Register 87, No. 33).
9. Amendment of subsection (a)(6) EXCEPTIONS filed 10-28-98; operative 11-27-98 (Register 98, No. 44).
10. Amendment of subsection (a)(6)(B) filed 2-28-2006; operative 3-30-2006 (Register 2006, No. 9).
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
2. Amendment of subsection (a)(6) filed 8-3-76 as an emergency; effective upon filing (Register 76, No. 32).
3. Certificate of Compliance filed 10-8-76 (Register 76, No. 41).
4. Amendment filed 3-19-79; effective thirtieth day thereafter (Register 79, No. 12).
5. Amendment of subsection (a)(5) filed 9-5-79; effective thirtieth day thereafter (Register 79, No. 36).
6. Amendment of subsections (a)(4) and (a)(5) filed 1-17-80; effective thirtieth day thereafter (Register 80, No. 3).
7. Amendment of subsection (a)(7) filed 10-5-81; effective thirtieth day thereafter (Register 81, No. 41).
8. Amendment filed 7-24-87; operative 8-23-87 (Register 87, No. 33).
9. Amendment of subsection (a)(6) Exceptions filed 10-28-98; operative 11-27-98 (Register 98, No. 44).
10. Amendment of subsection (a)(6)(B) filed 2-28-2006; operative 3-30-2006 (Register 2006, No. 9).