Since a basement has only one entrance and exit, by OSHA definition, your basement is a confined space. Entering it technically requires an entry permit and is a hazardous environment. (think about...
An egress window is a basement or below grounf level. It has to be big enough for people to exit through in case of an emergency. The minimum size for an egress window is 18" wide and 30" high. The...
If you know who made it the factory should be able to supply. If it is stationary and double paned then most glass companies should be able to supply a new glass. Should be able to install new glass...