Prefabricated Structures And Scaffolding FSG 54

5410 Prefabricated And Portable Buildings »

Includes prefabricated panels; inflatable shelters; metal screens and metal windows

5411 Rigid Wall Shelters »

Includes expandable and nonexpandable shelters

5420 Fixed And Floating Bridges »

Includes special bridge erection equipment; bridge floats and pontoons; tramways; trestles

5430 Storage Tanks »

Includes assembled and unassembled tanks for storage only; enclosures for pressure and vacuum tanks; petroleum bulk storage tanks

5440 Scaffolding Equipment And Concrete Forms »

Includes prefabricated concrete placing forms; builders' ladders and stepladders; suspension stages

5445 Prefabricated Tower Structures »

Includes power transmission towers; radar towers; searchlight towers; control towers; prefabricated tower components, such as anchor rails, tie rods, braces, steps, guy assemblies; specialized tower hardware

5450 Miscellaneous Prefabricated Structures »

Includes bleachers; grandstands