52 / | HD | STATIC STRUCTURES (E.G., BUILDINGS) |
79.1 | DF | PREASSEMBLED SUBENCLOSURE OR SUBSTRUCTURE SECTION(S) OF UNIT OR BUILDING {8} |
79.9 | .~ With retaining or attaching means {3} | |
79.11 | DF | .~.~> Cast in situ |
79.12 | DF | .~.~> Separate frame |
79.13 | DF | .~.~> Distinct vertical tie |