contestada

What is the recommended spacing for rungs and steps on end frames of scaffolds and ladders in elevator shafts?

a. Not less than 4 inches
b. Not less than 6 inches
c. Not less than 8 inches
d. Not more than 16-1/2 inches

Respuesta :

1frogaroni

Answer:

b. Not less than 6 inches

Explanation:

The recommended spacing for rungs and steps on end frames of scaffolds and ladders in elevator shafts is:

b. Not less than 6 inches