05 50 00 Metal Fabrications 03 00 00 Concrete 03 30 00 Cast-in-Place Concrete 05 10 00 Structural Metal Framing 43 40 00 Gas and Liquid Storage 05 52 00 Metal Railings 08 11 00 Metal Doors and Frames 08 31 00 Access Doors and Panels 08 90 00 Louvers and Vents 10 26 00 Wall and Door Protection 10 26 13 Corner Guards 10 70 00 Exterior Specialties 10 82 00 Grilles and Screens 12 48 19 Entrance Floor Gratings 13 20 00 Special Purpose Rooms 14 91 82 Trash Chutes 14 92 00 Pneumatic Tube Systems 23 13 00 Facility Fuel-Storage Tanks 41 00 00 Material Processing and Handling Equipment