Building Construction Handbook, Eighth Edition

A window must be aesthetically acceptable in the context of

building design and surrounding environment

Windows should be selected or designed to resist wind loadings, be

easy to clean and provide for safety and security. They should be

sited to provide visual contact with the outside.

Habitable upper floor rooms should have a window for emergency

escape. Min. opening area, 0.330 m^2. Min. height and width, 0.450 m.

Max height of opening, 1.100 m above floor.

Windows---Performance Requirements