The Big Horn & Tarak project required the excavation of a 27-foot deep trench for sewer, storm, and water utilities. The project faced several challenges, including ensuring the structural integrity and safety of the deep trench, managing specification jurisdictions, and dealing with saturated soil conditions that hindered site grading.
Solution Statement:
Lund addressed these challenges by employing advanced techniques and equipment, such as commissioning soil analysis for optimal open cuts, using a Hitachi ZX850 with a Trapezoidal-bucket, and implementing rigorous safety measures. We managed specification updates and utilized innovative soil management methods, including mixing and compacting saturated soils. Additionally, we used a Rex compactor for trench stabilization and opted for cast-in-place manhole bases to avoid redesign issues. These strategies ensured the project was completed safely, efficiently, and within the planned timeline.
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