RapidRoot Design Calculator

RapidRoot™ design calculator — concrete-free pile foundation sizing for residential and commercial buildings up to three storeys. Choose the design code that applies to your project to begin.

RapidRoot RR12 pile cap system
For qualified design professionals only. This app is for use by qualified design professionals only, who have reviewed the design methods and verified the output with their own calculations. It is a preliminary sizing tool, not a substitute for project-specific engineering judgement or stamped calculations.
Choose your design code
Europe

Eurocode

EN 1997-1 (geotechnical) · EN 1993-5 (steel piling) · EN 1999-1-1 (aluminium)
DA1-1 (A1+M1+R1) governs structural; DA1-2 (A2+M1+R4) governs geotechnical. Metric units throughout.
Open Eurocode calculator
United States

IBC + ASCE 7 + AISC 360

IBC 2021 Ch. 18 · ASCE 7-22 LRFD · AISC 360-22 · FHWA NHI-05-039
LRFD strength combo 1.2D + 1.6L with AISC φ-factors and FHWA geotechnical resistance factors. US customary units (ft, in, kips, ksi, psf).
Open US calculator
Australia

AS/NZS 1170 + AS 4100

AS/NZS 1170 (actions) · AS 4100 (steel) · AS/NZS 1664.1 (aluminium) · AS 2159 (piling)
Strength combo 1.2G + 1.5Q with AS 4100 φ-factors and AS 2159 geotechnical reduction factors. Metric units throughout.
Open Australian calculator