| 52 / | HD | STATIC STRUCTURES (E.G., BUILDINGS) |
| 319 | DF | CAST IN SITU CONCRETE BARRIER WITH LATERALLY PROJECTING RIB-TYPE SUSTAINER {8} |
| 327 | ![]() | .~ Additional distinct coextensive section fixed to barrier or sustainer {5} |
| 328 | DF | .~.~> Section on face of barrier opposite sustainer |
| 329 | DF | .~.~> Arched backer between sustainers {1} |
| 331 | DF | .~.~> Distinct means between base of sustainer and section |
| 332 | DF | .~.~> Discrete panels forming section |
| 333 | DF | .~.~> Sustainer anchored within section |