41 52 00 Bulk Material Storage
41 52 19 Bulk Materials Storage Tanks
41 52 13Bins and Hoppers41 52 13.13Fixed Bins and Hoppers41 52 13.23Portable Bins and Hoppers41 52 13.33Bulk Material Containers41 52 13.43Returnable Bins and Hoppers41 52 13.53Throwaway Bins and Hoppers41 52 16Silos41 52 16.13Concrete Flat-Bottom Silos41 52 16.16Concrete Masonry Flat-Bottom Silos41 52 16.23Concrete Cone-Bottom Silos41 52 16.26Concrete Masonry Cone-Bottom Silos41 52 16.29Steel Cone-Bottom Silos41 52 19Bulk Materials Storage Tanks41 52 19.13Stationary Bulk Materials Storage Tanks41 52 19.33Mobile Bulk Materials Storage Tanks41 52 41Pneumatic, Block-Distributed Materials Fluidizing System for Flat-Bottom Bins and Silos41 52 43Aerated Trough Materials Fluidizing System for Flat-Bottom Bins and Silos41 52 46Pad-Mounted Aerated Disc Materials Fluidizing System for Cone-Bottom Bins and Silos