| In 1996 the log shafts had been replaced by concrete caissons, but the mine was essentially dormant. |
| The caissons themselves are socketed into rock located 1.2 or 2.4 m below ground, depending on the location. |
| The housing consists of prefabricated concrete caissons which are inset in the lagoon floor and contain service tunnels and machinery. |
| The sunken panels were sometimes also called caissons, or lacunaria, and a coffered ceiling might be referred to as lacunar. |
| Our company did the white, ivory and mignonette green paintwork on the staff caissons in the rotunda and the south-east gallery. |
| Concrete grade beams spanning between the caissons were used to accommodate external envelope conditions and elevator pits. |
