The average height per storey is 10 feet, thus 30 feet for 3. It varies based on the architecture and type of roof used. Typically a story is about eight to ten feet. It would â¦ be safe to say that a 3 story building would be at least 25 feet tall, and could easily be closer to 40 feet at the peak of the roof.n average one story house would be 4.6 meters high. An average two story house would be 6.1 meters high. An average three story house would be 8.5 meters high but I guess â¦ that's not really average anymore. 15 people found this useful.
Second, you must have worked for the employer for at least 1250. hours in the 12 months before you take leave. That works out to an. average of about 24 hours per week over the course of a year. Lastly, you must work at a location where the employer has at least.
1 You must have worked these hours within the last year. 2  This number is usually 420-700 hours, but it depends on the unemployment rate in your area. 3  If you are working for the first time, you might need to have 910 hours. 4  Find how many work hours you require in your area.