For example, a modular aluminum shielding system such as Build-A-Box is light enough for installation and extraction using a tractor backhoe. Comparatively, a steel trench shield 28 feet long ...
Michigan, to discuss custom engineering a pin-in-place spreader arch and trench shield that would provide the necessary pipe clearance for Whitaker's project. "Time was critical on this project ...
Shoring Plate Shoring plates are large rigid plates that are used to hold back dirt. Trench Box / Shield Trench boxes and trench shields are assemblies that drop into a trench to prevent cave-ins.