General guidance only — all construction work must be overseen by a supervising engineer This handbook is compiled from standards and laws with every source cited, andis being reviewed for certification by engineers Use it to know what to look at, what to ask and what evidence to request on site It is not an engineering determination and can't replace an engineer · Terms of use · Limitations of the handbook

Piles and foundations

The driving record — the only evidence that proves the piles can carry the load

Page code P02-04 · 18 inspection criteria · 1 illustrations

Piles are underground and nobody will see them again for the life of the house. The only thing that proves they really reached the hard stratum is the figures recorded during driving. The standard even provides a form for it — if the contractor doesn't have this form, they're not yet following the standard

This page contains
Piles must be marked before driving
What must be recorded
What fields are on form DPT 1106-1
Pile won't go down, or goes unusually deep — what to do

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