Indian Standard Staircase Dimensions
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Indian standard staircase dimensions. 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. Regulated by building codes stair details specify the sizes of risers and treads stair widths the placement of handrails and guardrails and construction methods for fabricating stairs. Ii where there are two rooms one of these shall not be less than 9 5 sq. The reason why some staircases are easier to use than others is mainly to do with measurements.
In public use building like malls cinema shopping center larger width of stair can be used. Therefore let us recap on the residential stair code requirements. If you think about it you. Stair details refer to the standard requirements governing each of the various components of a flight of stairs.
So this basically sums up the basic code requirements for residential stairs and their dimensions. Measure from the surface. Summary of code requirements for residential stairs. 1 1 this standard lays down the requirements for material design and construction of interior wood stairs for houses.
1 2 this stardard does not cover the design and construction of monumental decorative and other special types of wood stairs. Design of staircase calculation how to calculate rise and tread dimensions. While planning any stair important dimension to find out first that is rise and tread of stair and their numbers. Maximum 4 1 2 inch handrail projection into stairway width on either side.
May 25 2015 required size of staircases in the us. With a minimum width of 2 1m. I for one room minimum width should be 2 4 m. Other important architectural elements of the staircase design.
Stair details refer to the standard requirements for each of the various components of a flight of stairs. Standard living room size 9 feet x 10 feet. The stair s width usually varies depending on the type of building the staircase is in but for a normal residence the standard tends to be 3 feet 6 inches 106 7 cm. If a staircase exceeds 44 inches 111 8 cm handrails are required for both sides.
And others not less than 7 5 sq. Minimum 36 inch clear width for stairway. Although building laws have regulated staircase design and set a minimum for the width of the staircase a wider staircase width is often more ideal and sometimes even necessary depending on the structure of your home and your needs. The standard width of any stair may be between 1 1 to 1 6 m.
The riser height max 7 ins 19 7cm is limited by the way in which we come down the stairs. Minimum size of side. Regulated by building codes especially in conditions serving emergency public egress stair details specify the height and depth of risers and treads the widths of stairs for differing occupancy loads the placement and dimensions of handrails and guardrails and typical. The minimum in most places is 2 feet 8 inches 81 3 cm.