b'3, below (reproduced from Chapter 1), notice a 12 diameter plate attached to a 7-0 longthat the capacity line for an anchor with a 10 shaft,and 12 diameter helical plate suggests aTAE-150-60extension 5-0extensioncapacity of 36,000 lb at a Soil Class 4 - 5.The section&hardware.Thisextensionhasa10-12 diameter plate configuration is selected coupled length of 4-9. The installation willfor the design. need four extensions to exceed 22 feet total4.ChecktheShaftStrengthandTorsional length.Strength: Refer to Table 2 to verify that the 1-TAT-150 LightDutyTransitionthat1/2 inch solid square shaft has sufficient capacity connectsfrom1-1/2squarebartoa20tosupportthetensileload,andhassufficient lengthofcontinuousthreadedrod,withtorsionalshaftstrengthforinstallation.The hardware.requiredultimatecapacityforeachanchorisPA-LWP Stampedsteelwallplatethat29,000 lbs. (Step 2.)The 1-1/2 inch solid square measures 12 x 26.shafthasan UltimateLimitTensionStrength 7.Mandatory Installation Requirements:rating of 70,000 pounds and a Useable Torsional (See notes at beginning of thisStrengthof7,000ft-lbs.Theselected anchor design example.)shaft provides suitable torsional capacity and aAnchors shall be installed at 3 to 6 feet fromsufficientpracticalloadlimittoexceedthe thefloorofthestandard8footbasementultimateloadrequirementof 29,000pounds. wall.The shaft selection is verified.Anchors shall have a minimum of two feet5. Installation Torque: Use Equation 2 - of soil cover from point of penetration of theChapter 1, (or Graph 1 demonstrated in Design wall to the ground surface. Anchors shall be installed with a declinationExample 2A) to determine the installation torque of 15 0 .requirement for this anchor.Theanchorswith12diameterlargestT = P u/ k, Where, helicalplatesshallbeinstalledtoalength P u= 29,000 lb not less than 22 feet. k = 10 (See Table 12 in Design Example 3)T = 29,000 lb / 10 ft -1= 2,900 ft-lbAnchorsshallachieveinstallationshaftT = 2,900 ft-lb, minimum torsion of at least 2,900 ft-lb over the final6. Torque AnchorProduct Selection: threefeetofinstallationpriortotermination. TAF-150-84 10-121-1/2 inch round corner End of Example 3Asolid square shaft with a 10 inch diameter andReview of Results from Example 3 and Example 3AOnecanseethattheresultobtainedbythe Quick-Solveanalysissuggestedasimilaranchor configuration to that predicted by Design Example 3, which used the bearing capacityequation to calculate results.Becausethis Quick-Solve design hasbeenpreparedforgeneraluse, therearedesignparameters put in place to cover most situations where a typical eight foot tall basement wallexists. (or nine foot wall with no more than eight feet of soil overburden).Inaddition,when usingthe Quick-Solve design method the MandatoryInstallationRequirements MUST be followed to insure a Safe Use Design.Please refer to, and review, the MANDATORY INSTALLATION REQUIREMENTS listed atthe beginning of Design Example 3A before proceeding with a Quick-Solve design.IF THE JOB IS NOT TYPICAL OR DOES NOT CONFORM TO THE MANDATORY INSTALLATIONREQUIREMENTS, DO NOT USE QUICK - SOLVEDESIGN METHODS . PLEASE CONSULT AREGISTERED PROFESSIONAL ENGINEER.ECP Technical Design ManualTorque Anchor Design Examples2021 Earth Contact Products, L.L.C.2021-09 Chapter 5Page 93 All rights reserved'