For new deep foundations, CHANCE® helical piers are installed at intervals between the footing forms and tie into the rebar gridwork prior to pouring concrete. The steel piers are extended to depths attaining the installing torque correlated to the required load bearing capacity.

Design professionals may request a New Construction Design Manual on CD from their Distributor or Territory Manager listed on www.abchance.com.

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Reach competent soil below active zone Predictable via torque-to-capacity ratio No excavation or spoils to remove Loads may be immediately applied Installs in limited access Installs in any weather condition Loads may be immediately applied Installs in limited access Installs in any weather condition

The Shape of Stability The true helix geometry of each steel bearing plate minimizes soil disturbance during the vibration-free installation. Approved by BOCA, ICBO, SBCCI, CCMC and ICC, CHANCE® helical piers have become the deep foundation system of choice for architects, builders, contractors, engineers and geotechnical fi rms.

CHANCE® Helical Piers have 11⁄2" to 21⁄⁄ 4" solid square shafts or 31⁄2" pipe shafts with helical plates 8" to 14" in diameter. For more details, see Bulletin No. 01-0502 and Technical Manual 01-9601.

The CHANCE® HELICAL PULLDOWN® Micropile constructs a grout column around the shaft of a helical pier for sites with weak surface soil conditions. For more details, see Bulletin No. 01-0201.