Topic zone lies between zone of cancer (i.e. 23^1/2 degree north latitude) and Capricom (i.e. 23^1/2 degree south latitude). The typical features of tropical countries are burning sun, fixed seasons and rainfall which is heavy, moderate and with storm.

Privacy offers special comfort to occupants. It should not be confused as it is total isolation and is desirable only in certain cases as study rooms, library, etc. Privacy is of two types- External privacy and Internal privacy.

Roominess is nothing but feeling of spaciousness. The planning of room should be such that maximum benefit is obtained from minimum dimensions of room. For example, rectangle shaped room looks more spacious than square shaped room of same area.

Hot-dry places are cool in winter. The maximum day temperature in summer will be about 27�C to 42�C and night temperature will be moderate to say about 15�C to 25�C.

Prospect is dictated by surrounding peculiarities of site of project. This can help us to conceal some unwanted views and reveal beauty of building.

The temperature ranges in hot season and cold season or 25�C to 30�C and 10�C to 22�C respectively. Bombay which is situated near sea is a typical example of experiencing hot wet or humid climate.

The difference of temperature between outside air and inside air tends to deposition of moisture on room surfaces. This is known as condensation and it can be effectively controlled by provision of suitable ventilation of room.

The proper provision of circulation makes building comfortable and convenient. The circulation in a building is of two types- Horizontal circulation and Vertical circulation.

Building bye-laws came into force on April 1984. This local law was framed by subordinate authority. Its specifications are designed to minimum safeguard to workers during construction; to health and comfort of users; and to provide enough safety to public in general.

Along with energy dissipation devices, Base Isolation technique is most advanced which isolates structure by a series of bearing pads. This bearing pads absorbs maximum shocks develop due to seismic activity.