I assume by "landings" you mean treads. I don't know if the IRC covers landscaping projects, but this certainly sounds like a bonafide stairway on a residential property, so here goes:TROMPER said:Doing a job up a hillside. The risers will be equal but do the landings have to be equal or can they simply conform to the hillside which will make them of different lengths?
Also, for every 12' you rise up, R311.5.4 does require that you have at least a 36" depth landing.R311.5.5 Stair treads and risers.
R311.5.3.1 Riser Height
The maximum riser height shall be 7-3/4 inches. The riser shall be measured vertically between leading edges of adjacent treads. The greatest riser height within any flight of stairs shall not exceed the smallest by more than 3/8".
R311.5.3.2 Tread Depth
The minimum tread depth shall be 10 inches. The tread depth shall be mesured horizontally between the vertical planes of the foremost projection of adjacent treads and at a right angle to the tread's leading edge. The greatest tread depth within any flight of stairs shall not exceed the smallest by more than 3/8". Winder treads shall have a minimum tread depth of 10 inches measured as above at a point 12 inches from the side where treads are narrower. Winder treads shall have a minimum depth of 6 inches at any point. Within any flight of stairs, the winder tread depth at the 12 inch walk line shall not exceed the smallest by more than 3/8 inch.
Check with your local inspector, I read it you don't need a bld. permit. It's not residential (building) code exempts fences also. Chap 3 is for 1 & 2 family dwellings including things like decks, decks around above poolsmdshunk said:I assume by "landings" you mean treads. I don't know if the IRC covers landscaping projects, but this certainly sounds like a bonafide stairway on a residential property, so here goes:
Also, for every 12' you rise up, R311.5.4 does require that you have at least a 36" depth landing.