These are some of the key points in relation to reporting of accidents and dangerous occurrences: 1  Only fatal and non-fatal injuries are reportable. 2  Fatal accidents must be reported immediately to the Authority or GardaÃ­. 3  Non-fatal accidents or dangerous occurrences should be reported to the Authority within ten working days of the event.
Barrel vault is a type of vault with its semi-cylindrical arched surface allongated to form a barrel or tunnel shaped structure. Barrel vaults have been an integral part of ancient architecture and is seen in several churches and cathedrals.slide 1 of 3.ne more disadvantage of barrel vault is that it forms a series of continuous arches which are most of the time so deep that they cover a three-dimensional space. This makes the interior of the structures extremely dark as they provide very little intrusion for light.
Vault (French voute, voÃ»te From italian) volta is an architectural term for an arched form used to provide a space with a ceiling or. roof