Sem 2 Bs assignment ppt

Ventilation Problems in Heritage Buildings

Building services

What is ventilation

?

Proportion of air in enclosed space continuously replaced

by fresh air

Maintenance of air purity

Ventilation

Natural VentilationFlow of external air to an indoor space due to the

difference between the internal and external air pressures Depends on wind and

air pressure / stack effect

Natural Ventilation1. Wind and air effect-windows and doors are

the mostly used2. Stack effect-hot air move upwards and outer

air enters building

Heritage Building

Installation process

Installation process

Installation process

Installation process

Natural ventilation

Natural ventilation Suitable for rural areas

The forbidden city

History

Westminster Abbey

Westminster Abbey

Westminster Abbey

Possible problems

Possible problems

Recommendations

Effective area of multiple openings

Waterproof vents

Through this report we learned that due to lack of technology , natural ventilation has been used in heritage buildings.

Till recent decade, natural ventilation has proved to be a good way to prevent Sick Building syndrome by creating a comfortable environment.

However due to global warming problems that we are currency facing everywhere in the world, the efficiency of ventilation system must be increased in buildings.

After lots of research and studies, mechanical ventilation has been approved as a potential solution.

Conclusion