trench box

trench box, trench shield

trench box
A heavily braced box of wood or steel which can be moved along a trench bottom as excavation and pipe laying
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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OSHA cited two willful violations for failing to use a trench box or other trench protection techniques in an excavation greater than five feet in depth and to provide a safe means to exit the excavation.
At other exhibits, students learned about safety equipment, inspected a trench box, took the wheel at simulator station for truck drivers, and discovered how MnDOT uses drones for bridge inspections.
The new training pack also introduces a "sandbox" exercise that allows operators to refine their skills by excavating near a water pipe or manhole, lifting tires, or manipulating a trench box or gravel box.
Leicester has received a $5,000 grant to buy a trench box to protect Highway Department employees working in ditch lines.
* Are excavations more than 5 feet in depth adequately protected by shoring, trench box, or sloping?
Powershot also received two serious citations, with 52,700 in proposed fines, for employees in the trench working beneath undermined asphalt and an unsupported concrete slab and for not using a trench box according to its manufacturer's specifications.
The inquiry heard evidence from the Health and Safety Executive that Hamish could have taken measures to make the trench safer, such as levelling the ground or using a trench box.
The contractor should either use substantial bracing, such as a trench box, or cut the trench to the angle of repose in accordance with Occupational Safety and Health Administration standards.
Corrective action: Provide adequate protection from cave-ins, such as a trench box, shoring, or sloping.
The Icon Group offers the finest shoring products, including cost-efficient, customized slide-rail sheeting systems, as well as the newest aluminum and steel trench box systems, hydraulic shoring boxes, boring and tank pits, DOT-approved tunnel access pits and more.
The FACE investigation indicated an absence of protective equipment or precautions (e.g., no trench box, benching, sloping, or shoring) that could have prevented the collapse of the trench.
The source said: "It seems he was trying to guide a trench box in when the whole thing collapsed.