b'Each design where shaft buckling is possible requires specific information involving the structureand soil characteristics at the site.We strongly recommend that the final structural design beprepared or reviewed and approved by a geotechnical and structural engineer.ULTIMATE AXIAL COMPRESSIVE LOAD IN AIR OR WATER(VERTICAL PILES WITH NO LATERAL SHAFT SUPPORT)160150NOTES:140 Earth Contact Products130120 4-1/2"- 0.337"Ultimate Capacity - lb x 1,0003-1/2"- 0.300"110 2-7/8"- 0.276"2" Sq Bar100 1-3/4" Sq Bar1-1/2" Sq Bar90807060504030204 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20Graph 8 Unsupported Column Height - ftTechnical Design AssistanceEarthContactProducts,LLC.hasaknowledgeablestaffthatstandsreadytohelpyouwithunderstandinghowtopreparepreliminarydesigns,installationprocedures,loadtesting,anddocumentation of each placementwhenusing ECP TorqueAnchors.Ifyou havequestions orrequire engineering assistance in evaluating, designing, and/or specifying Earth Contact Products,please call us at 913 393-0007, Fax at 913 393-0008.ECP Helical Torque Anchors Technical Service Manual2021 Earth Contact Products, L.L.C.2021-09 Chapter 1 - Page 35 All rights reserve'