Trench excavation protection is used for the installation of linear drainage or electrical features that will result in trenches deeper than 5 ft. Temporary special shoring is used for installations of walls, footings, and other structures that require excavations deeper than 5 ft. Temporary special shoring is designed and constructed to hold the surrounding earth, water, or both out of a work area. It provides vertical or sloped cuts, benches, shields, support systems, or other systems to provide the necessary protection in accordance with the approved design.
Unless complete details are included in the plans, the Contractor is responsible for the design of the temporary special shoring. The Contractor must submit details and design calculations bearing the seal of a licensed professional engineer for approval before constructing the shoring. Design shoring subject to railroad loading to comply with railroad Guidelines for Temporary Shoring and any additional requirements of the railway being supported.
Standard specification Item can be used for both cut and fill shoring. When temporary MSE walls are used for fill situations, construct these walls in accordance with the requirements of standard specification Item , Retaining Walls, and include the standard sheet RW TEW.
For cut situations where soil or rock nail walls may be used, include special specifications for the appropriate nailing method and for Prefabricated Soil Drainage Mat. Consider temporary shoring concurrently with the permanent wall layout and design or grade change requirements of any given project.
The best wall design or project geometry is difficult to execute and may put both workers and the traveling public at risk if proper shoring requirements are not addressed. In extreme cases, the cost of temporary shoring required to construct a wall can exceed the cost of the permanent wall.
Avoid this and reduce negative effects with proper planning and proper wall selection. The Backhoe Drag Box is a lightweight drag box designed for use with small capacity machines and backhoe excavators. With a weight of less than one tonne, this box is ideal for continuous pipe laying operations in self—supporting ground up to 4m in depth. The Premier Trench Box provides dependable, robust solution to deep pipe laying activities.
The strut allows liberal articulation during installation whilst maintaining a strong, safe working environment. The Mega Brace consists of a series of hydraulically adjustable legs forming a heavy duty bracing system catering for spans of multi-sided excavations.
The Pipe Lifter has been designed specifically to lift and install concrete pipes safely, quickly and without manual intervention. Username or email. Password forgotten your password? Log In. Home Shoring Equipment. Shoring Equipment. Hydraulic Braces. Box Systems. Shoring Equipment Support You Can Trust Avoid unnecessary accidents that could affect your employees and delay your project.
Technical Library Login Register. Shoring Manual for Sheeted Excavations Manual for specifying equipment for sheeted excavations Downloads. Latest from Groundforce View all
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