(Click here if drawing doesn't appear above.) 1 Security barrier (see A for detail). 2 Steel security type window. 3 Galvanized weather hood at louver (see 8 for louver detail). 4 Elastomeric roofing. 5 Concrete. 6 Plastic glazing. 7 Steel angle corner guards. 8 Louver detail (see 3). 9 Fence fastening detail. A Security barrier detail (see 1). B Doors 103 & 104.