To provide access into a building, to facilitate movement of people between its rooms, and to allow ventilation and entry of light openings are provided in walls such as, doors and windows with or without its ventilators. Doors and windows, can be closed whenever required, for reasons of privacy and security. Windows and ventilators admit light and air into the rooms providing a healthful environment; windows are also a means to provide the occupants of the building with a view of the outside surroundings. Windows are provided with shutters which can be glazed, panelled or ventilators so that they can be closed to the required extent, and secured as and when needed. Ventilators and small windows provided near the ceiling, basically for the purposes of ventilation.
A stair is a flight of steps arranged suitably for the purpose of providing access between different floors of the building.
Objectives
After studying this unit, you should be able to
- define various terms related to doors; windows and stairs,
- classify the doors, windows and stairs by inspection,
- select appropriate of door matching with the requirements,
- design the windows as per requirements,
- select appropriate fixtures and fastenings for given situation,
- define standards of ventilation,
- classify different types of stairs.
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