What are the OSHA regulations regarding scaffold platform width, fall protection, and support overlap?

Here are the answers to your questions:

6. If it is impossible to make the platform at least two boards wide: [1926.451(b)(2)(ii)]

   • According to OSHA 1926.451(b)(2)(ii), if it's not feasible to provide an 18-inch wide platform, a 12-inch wide platform may be used, provided employees are protected from fall hazards by a personal fall arrest system or guardrail system.
   • The correct option is a).
   • a. make it as wide as possible and use personal fall arrest

7. The minimum width of a scaffold platform is: [1926.451 (b) (2)]

   • OSHA 1926.451(b)(2)(i) states that, with some exceptions, each platform shall be at least 18 inches (46 cm) wide.
   • The correct option is c).
   • c. 18 inches (45.72cm)

8. Unless guardrail systems and / or personal fall arrest systems are used the maximum distance between the platform and the face of the work surface is: [1926.451 (b) (3)]

   • OSHA 1926.451(b)(3) specifies that the maximum distance from the front edge of all platforms to the face of the work, unless guardrail systems are erected, shall be 14 inches (36 cm).
   • The correct option is b).
   • b. 14 inches (35.56cm)

9. Each end of a platform, unless cleated or otherwise restrained by hooks or equivalent means, shall extend over the centerline of its support at least: [1926.451 (b) (4)]

   • OSHA 1926.451(b)(4) requires each end of a platform to extend over the centerline of its support at least 6 inches (15 cm), unless restrained.
   • The correct option is d).
   • d. 6 inches (15.24cm)

10. On a scaffold which has guardrails across the ends, the maximum plank extension is: [1926.451 (b) (5)(i)]

    • OSHA 1926.451(b)(5)(i) states that when the platform is 10 feet or less in length and has guardrails across the ends, the maximum plank extension shall be 12 inches (30 cm).
    • The correct option is a).
    • a. 12 inches (30.48cm)