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install sump between piers
We wanted to install sump with less than 4' clearance from the piers. Would it be ok to excavate with a trench box? The other option might be to fabricate precast sump (with no integral bottom) lowered to design elevation by means of hydro/vacuum/fluid jet excavation. Sump bottom to be...- Datezam
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- Replies: 1
- Forum: Earth retention engineering
