Digging Deeper – November 2023
Highway SR-51 Trenchless Crossing Design Engineer: Horizontal Boring LLCLocation: Phoenix, AZGround Conditions: Breccia and phyllite/schist rock formations with UCS to 15,000-psiType of Installation: TBM Pipe JackingMaterial: 86-in OD x 1-in wall Steel CasingFootage Installation: 330-lfEquipment: Akkerman Pipe Jacking System, WM720-II TBM, 5200 Pump, 1548 Haul System, 2325BE Lube System, TBM Rock DCH Since no ground […]