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t ' j <br /> Atlas Foundation Company CE'" <br /> Since 1912 <br /> 11730 Brockton Lane N. • Osseo,MN 55369 �.--- <br /> (763)428-2261 • Fax: (763)428-4754 Certified Helical Pier <br /> Website:www.atasfoundation.com Installation Contractor <br /> Project: 14138 Customer: Tim Carver <br /> 1050 Willow View Dr. Start Date: 6/30/14 Foreman: Jamie <br /> Orono, MN Finish Date: 6/30/14 Estimator: Brian <br /> Base Length (ft) = 5.0 <br /> Installation Information: All foundations are CHANCE' RS2875.203-2 7/8" Helical Piers. <br /> Lead section helix configurations are 8"-10" diameter (5' length). All foundations were <br /> installed with a 4,000 ft-lb torque head. All material is galvanized per ASTM A153. <br /> Manufacturer and ICC-ES AC358 recommendations assume a ratio of ultimate capacity to <br /> torque of 9:1. All foundations are terminated with weld on bearing plates. <br /> Helical Pier Extensions No. of Final Final 3' Total Cut Off Final Ultimate Allowable <br /> Helix PSI Torque Length (ft) Length Capacity Capacity <br /> No. Size 5' 10' (ft-lbs) (ft) (ft) (kips) (kips) <br /> 1 2 7/8 2 3 2400 3500 15 0.8 14.3 31.5 15.8 <br /> 2 2 7/8 2 3 2400 3500 15 0.8 14.2 31.5 15.8 <br /> 3 2 7/8 2 3 2400 3500 15 1.7 13.3 31.5 15.8 <br /> 4 2 7/8 2 3 2400 3500 15 1.0 14.0 31.5 15.8 <br /> 5 2 7/8 2 3 2400 3500 15 0.8 14.2 31.5 15.8 <br /> 6 2 7/8 2 3 2400 3500 15 0.8 14.3 31.5 15.8 <br /> Summary: <br /> No. Size 5' 10' Average Total Final <br /> Length (ft) Length (ft) Length (ft) <br /> 6 2 7/8 12 0 15.0 90.0 84.2 <br /> 6 Total 12 0 15.0 90.0 84.2 <br /> Layout: 1 <br /> 1 2 <br /> 4 5 6 <br /> 3 <br /> 1 of 1 <br />