77.206—Ladders; construction; installation and maintenance.
(c)
Steep or vertical ladders which are used regularly at fixed locations shall be anchored securely and provided with backguards extending from a point not more than 7 feet from the bottom of the ladder to the top of the ladder.
(e)
Fixed ladders shall be anchored securely and installed to provide at least 3 inches of toe clearance.
(f)
Fixed ladders shall project at least 3 feet above landings, or substantial handholds shall be provided above the landings.