What happens when your ladder is damaged and irreparable? The short answer is, the ladder needs to be destroyed.
How does one destroy a ladder?
The short answer is that you destroy a ladder by making it unclimbable. You cut apart the ladder so nobody can use it. Beware of simply throwing the ladder in a dumpster since someone may dig it our if the ladder seems still usable. Then, if they get hurt on the ladder (which they very well could, since the ladder is in bad shape!), you, the business owner and owner of the ladder is liable for the injuries.
Make sure you always destroy irreplaceable ladders completely so nobody can climb them.