Scaffold Safety
Portable, Hook-on, and Attachable Ladders
- Some precautions should be considered when using the various types of access equipment:
- Portable, hook-on, and attachable ladders shall be positioned to not tip the scaffold.
- Hook-on and attachable ladders shall be positioned so that their bottom rung is not more than 24 inches above the scaffold supporting level.
- When hook-on and attachable ladders are used on a supported scaffold more than 35 feet high, they shall have rest platforms at 35-foot maximum vertical intervals.
- Hook-on and attachable ladders shall be specifically designed for use with the type of scaffold used.
- Hook-on and attachable ladders shall have a minimum rung length of 11 1/2 inches.
- Hook-on and attachable ladders shall have uniformly spaced rungs with a maximum spacing between rungs of 16 3/4 inches.
- A competent person should inspect and approved of all access equipment prior to use.
