GENERAL KNOWLEDGE FOR STAIRS DESIGN
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GENERAL REQUIREMENTS FOR STAIRS 

LOCATION OF STAIRS

LOCATION OF STAIRS

 

The staircase should be located at the right place in a building with proper light and ventilation. In a Residential house, the stairs may be provided near the main entrance. In the case of a public building, it should be located at the center position for quick accessibility.

 

WIDTH OF STAIR

The width of stairs depends on the traffic flow and may vary from building to building. In Public building, the width of stairs should be at least 6feet and in a Residential building, it should be 3feet.

LENGTH OF STAIR

The flight should provide a maximum of 12 and a minimum number of 3steps.

LOCATION OF STAIRS

 

PITCH OF STAIR

The maximum Pitch for a domestic building should not exceed 42degree and for a Public building ,it should not exceed 33degree

PITCH OF STAIR

 HEADROOM

The maximum Headroom in a staircase should not be less than 6feet 8inchesHEADROOM

 LANDING

The width of the landing should be always equal or greater than the width of a stairLANDING

MATERIALS

Fire resisting materials should be used to construct the staircase for better safetyMATERIALS

 BALUSTRADE

Balustrade should be provided be provided in all open well stairs to minimize the accidents. The handrail must be used on both sides of wide stairs.

BALUSTRADE

 STAIR PROPORTIONS

  1. In Residential buildings, the average size of a step is used as 25cm x 16cm.
  2. In public buildings,the average size of step varies from 27cm x 16cm to 30cm x 15cm.STAIR PROPORTIONS

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