Microsoft Word - lecnote_fm_engineering drawing

10. Stair case- residential buildings
    Width of steps = 1.00m
    Width of landing = 1.20m
    Rise = 180mm
    Tread = 250mm
    Public buildings

Width of steps =1.50m
Width of landing = 1.20m
Rise = 150mm
Tread = 300mm from street level
Light area of staircase = 1.5m^2 per floor height.
Height of Plinth = 450mm

SIZES OF DOORS AND WINDOWS

♦ Parapet: brick work of 200mm thick and 600mm

height above the roof slab.

♦ Window: top is in level with doors

W 1 -900mm X 1200mm

W 2 -1200mm X 1200mm

Placed at 900mm above floor level.