When drilled minipiles were running late at a six-story Greenpoint project boxed in by masonry buildings, the developer switched to STELCOR drilled-in displacement piles. IDEAL says design, installer and material arrived within a week, load testing finished in 17 days, and 42 piles 32 feet long went in without spoils.

When drilled minipiles were running late at a six-story Greenpoint project boxed in by masonry buildings, the developer switched to STELCOR drilled-in displacement piles. IDEAL says design, installer and material arrived within a week, load testing finished in 17 days, and 42 piles 32 feet long went in without spoils.
A real-world example of where helical piles beat conventional foundations.
Source: IDEAL Foundation Systems Blog. Summary written by the Helical Pile USA editorial team.