You can only see that information about someone in your friends list. You can use the message system with someone not in your friend's list, but chances are that your first message will go to their other folder and not to their inbox.
Best Answer: Average width of a staircase is 36 minimum. The tread (step) is no less then 10. The rise is from 7 to 8 depending on the total rise. Take the total rise and divide by 7 1/2, average step, and that gives you you # of steps. Then take total rise and divide by # of steps, this tells you the exact size of your step. Now take size of rise and X by # of steps.
Home > Room Layout > Staircase Design > Staircase Dimensions Staircase Dimensions. Staircase dimensions are an important part of staircase safety. This page covers all of the important staircase measurements and a mistake to watch out for! This page is part of the staircase design series. Treads and Risers. The tread size (min 10ins / 25.4cm) is dictated by the average adult foot size, although it is not necessary to be able to fit your entire foot on a tread in order for walking up the stairs to be both comfortable and safe. The riser height (max 7Â¾ins / 19.7cm) is limited by the way in which we come down the stairs.