Secant Pile Wall Design Manual Jun 2026

Overlap_design = (Verticality tolerance × Depth) + 50 mm + Construction tolerance.

In a deep excavation, a 1% deviation in verticality at the surface can mean a massive gap ten meters down. Design manuals emphasize guide walls Secant Pile Wall Design Manual

: Would you like a detailed geotechnical checklist for soil testing prior to the design phase? Secant pile walls | Keller UK Overlap_design = (Verticality tolerance × Depth) + 50

The design manual should specify:

Overlap_design = (Verticality tolerance × Depth) + 50 mm + Construction tolerance.

In a deep excavation, a 1% deviation in verticality at the surface can mean a massive gap ten meters down. Design manuals emphasize guide walls

: Would you like a detailed geotechnical checklist for soil testing prior to the design phase? Secant pile walls | Keller UK

The design manual should specify: