TERMS USED IN STAIR CASE

      

            TERMS USED IN STAIR CASE

(1) TREAD :- 

IT IS THE HORIZONTAL MEMBER WHICH FORMS THE UPPER SURFACE OF A STEP.

(2) RISER :- 

IT IS THE FRONT VERTICAL PORTION OF A STEP TO WHICH THE TREAD IS CONNECTED.

(3) PITCH :- 

IT IS THE ANGLE BETWEEN  THE PITCH LINE AND THE HORIZONTAL.

(4) NOSING :- 

IT IS THE PROJECTED EDGE OF A TREAD USUALLY MOULDED.

(5) FLIGHT :- 

A CONTINUOUS SERIES OF STEPS EXTENDING FROM FLOOR TO FLOOR, OR FLOOR TO LANDING, OR LANDING TO LANDING, IS KNOWN AS FLIGHT.

(6) GOING :- 

GOING OR RUN OF THE STEP IS THE HORIZONTAL DISTANCE BETWEEN THE FACES OF THE CONSECUTIVE RISERS.

(7) BALUSTERS :- 

THE VERTICAL MEMBER WHICH SUPPORTS THE HANDRAIL AND PROTECT TO OPEN SIDE.

(8) HANDRAIL :- 

IT IS MOULDED MEMBER RUNNING PARALLEL TO THE NOSING LINE OR LANDNG.

(9) SPRINGER :- 

IT IS THE INCLINED MEMBER LAID PARALLEL TO THE NOSING LINE OR LANDING.

(10) PITCH LINE :- 

THE LINE JOINING THE INTERSECTION OF THE FACE OF EACH RISERS AND THE TOP OF EACH TREAD IS CALLED THE PITCH LINE.

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