cave-in


Also found in: Dictionary, Idioms, Wikipedia.

cave-in

[′kāv‚in]
(engineering)
References in periodicals archive ?
Engineers still must decide where to drill the larger hole without risking further cave-ins at the unstable mine.
Thirteen workers were killed in February when a methane explosion at a mine in northwest Turkey caused a cave-in.
For example, as noted in the 7 October 1998 The Atlanta Journal Constitution, OSHA cited two construction firms and proposed fines totaling $244,000 for safety violations in a trench cave-in that killed a 25-year-old worker.
except when excavations are made entirely in stable rock or excavations are less than 5 feet in depth and examination of the ground by a competent person provides no indication of a potential cave-in,'' the report said.
Our analysis so far indicates that 74% of those 34 deaths were due to soil cave-ins, and 75% showed no use of any kind of protective trench box or shield," said Devora, a former safety supervisor for a general contractor in Texas.
Cases were selected for initial review if the fatal event was coded as an excavation or trenching cave-in (Occupational Injury and Illness Classification System [OIICS] event code 041); inhalation in enclosed, restricted, or confined space (OIICS event code 3411); depletion of oxygen from cave-in or collapsed material (OIICS event code 383); depletion of oxygen in other enclosed, restricted, or confined space (OIICS event code 384); the worker was employed in the Standard Industrial Classification (SIC) code 1794 (Excavation Work); or if: the case narrative contained one or more of the following keywords: "trench," "excav," "shaft," "ditch," or "tunnel.
Miners who have been trapped underground in past cave-ins say a social hierarchy already is being formed.
Failure to provide cave-in protection exposed employees to imminent and potentially fatal crushing and suffocation hazards.
The gas emissions and a cave-in were found on a 1,530-meter slope on the 3,776-meter mountain, but no volcanic gas was detected and other data also suggest the phenomenon is not related to volcanic activities, the agency said.
a Norridge, IL-based contractor, to provide a monthly report of its work locations to the Occupational Safety and Health Administration (OSHA), permit unannounced jobsite audits by qualified independent consultants and annually train workers on cave-in protection for the next two years.
Such factors as rainfall, water seepage, and the weight and vibration of nearby heavy equipment can add to the possibility of a cave-in.