Legislation and construction regulations require that almost every business have a ladder policy in place. The policy should cover: inspection; repair, and disposal.
If you choose to use a ladder at work, you should do a risk assessment for ladder safety. There is a lot of information available on ladder safety, and it is a serious issue and cause of workplace accidents, and even deaths.
The Canadian Centre for Occupational Health and Safety has a thorough muli-module review of all facets of ladder safety, which you can access through the link below (click on the CCOHS badge below).
Do | Don't...
Here is a very helpful overview of basic ladder safety. Every employee who uses ladders should be very familiar with ladder safety, and every employer has a duty to review and discuss workplace ladder safety with their employees.