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ve <br /> II ' ' ' • 69,Originally Issued: 02/11/2020 Valid Through: 02/28/2021 <br /> 7.0 SUBSTANTIATING DATA 8.0 STATEMENT OF RECOGNITION <br /> The following documentation has been provided and This evaluation report describes the results of research <br /> evaluated in accordance with IAPMO-UES EC 027-2019 carried out by IAPMO Uniform Evaluation Service on the <br /> "Evaluation Criteria for Helical Foundations for Use under Supportworks helical foundation system to assess <br /> the International Residential Code": conformance to the codes shown in Section 1.0 of this <br /> • Reports of field and lab testing to establish structural report and documents the product's certification. The <br /> capacity and torque-to--capacity ratio for Supportworks Supportworks helical foundation system is produced at <br /> helical foundation system. .Test results are from locations noted in Section 2.9 of this report under a quality <br /> laboratories in compliance with ISO/IEC 17025. control program with periodic inspection under the <br /> • Manufacturer's descriptive literature, quality control supervision of IAPMO UES. <br /> documentation,and installation instructions. <br /> Brian Gerber,P.E.,S.E. <br /> Vice President,Technical Operations <br /> Uniform Evaluation Service <br /> Richard Beck,PE,,CBO,MCP <br /> Vice President,Uniform Evaluation Service <br /> GP Russ Chaney <br /> CEO,The IAPMO Group <br /> For additional information about this evaluation report please visit <br /> www.uniform-es.ors or email at infoauniform-es.ore <br /> TABLE 1—MECHANICAL PROPERTIES OF HP288 SHAFT <br /> Uncorroded After 50-Year Corrosion Loss <br /> Mechanical Properties <br /> Hot-dip <br /> Plain Steel Plain Steel Galvanized <br /> Steel <br /> Steel Minimum Yield Strength,Fy 60 ksi 60 ksi 60 ksi <br /> Steel Minimum Ultimate Strength,Fu 70 ksi 70 ksi 70 ksi <br /> Modulus of Elasticity,E 29,000 ksi 29,000 ksi 29,000 ksi <br /> Nominal Wall Thickness 0.276 in. 0.276 in. 0.276 in. <br /> Design Wall Thickness 0.257 in. 0.221 in. 0.247 in. <br /> Outside Diameter,OD 2.875 in: 2.839 in. 2.865 in. <br /> Inside Diameter,.ID 2.361 in. 2.397 in. 2.371 in. <br /> Cross Sectional Area,A 2.11 in2 1.82 in2 2.03 in2 <br /> Moment of Inertia,1 1.83 in4 1.57 in 1.76 in4 <br /> Radius of Gyration,r 0.93 in. 0.93 in. 0.93 in. <br /> Elastic Section Modulus,S 1.27 in3 1.10 in3 1.23 in3 <br /> Plastic Section Modulus,Z 1.77 in3 1.52 in3 1.70 in3 <br /> For SI: 1 inch=25.4 mm,1 kip=1,000 Ibf=4.448 kN,1000 psi=1 ksi=6.9 MPa <br /> Page 5 of 7 <br />