To replace existing single pane windows with new insulated windows. Glass panes will be of a larger size than existing but will not require any structural alterations for installation. Windows in doors and within 24 inches of either edge of the door when in a closed position & within 60 inches of the walking surface shall be safety glass per Sec.2406.4, 1994 UBC. Inspector to verify installation and compliance of safety glass requirements per secs. 2404 & 2406 UBC respectively. PC620-95 drs