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6 of 22 <br /> PROJECT NO. NO. <br /> S231120-2XR <br /> i <br /> PROJECT 1711 England Ave Everett WA 98203 <br /> LONGITUDE SUBJECT Foundation Stabilization/Jacking <br /> ONE TWENTY0 <br /> ENGINEERING&DESIGN BY JT DATE 12/19/2023 <br /> Ideal Foundation Systems 2-7/8"0 Helical Pile 10.2034nch wall thickness)-Soil Capacity per ESR-37SO <br /> DIGGA 10K Drive Torque, Torque Correlation Factor. Ultimate Axial Compressive Capacity, Allowable Axial Compressive Capacity, <br /> Head Pressure T K,[Compression) P.=K,-T P.a 0.5'P <br /> (psi) (ft'lbs) (ft r) (kips) (kips) <br /> 500 1,74() 9 15.7 7.8 <br /> 600 2,088 9 18.8 9.4 <br /> 700 2.436 9 21.9 11.0 <br /> 800 2,784 9 25.1 12.5 <br /> 900 3,132 9 28.2 14.1 <br /> 1000 3,480 9 31.3 15.7 <br /> 1100 3,828 9 34.5 17 2 <br /> 1200 4,176 9 37.6 18.8 <br /> 1300 4,524 9 40.7 20.4 <br /> 1400 4.872 9 43.8 21.9 <br /> 1500 5,220 9 47.0 23.5 <br /> 1600 5.568 9 50.1 25.1 <br /> 1700 5,916 9 53.2 26.6 <br /> 1800 6.264 9 56.4 28.2 <br /> 1900 6,612 9 59.5 29-8 <br /> 2000 6,960 9 62.6 31.3 'See Vote r I. <br /> 2100 7.308 9 638 329 <br /> 2200 7,656 9 68.9 34.5 <br /> 2300 8.004 9 72.0 36.0 <br /> 2385 1 8.300 1 9 74.7 1 37.3 'See Vote i, <br /> .I DIGGA 10K Drive Head different,al pressure display to torque output has been pulled from LI a attached conversion charts provided by DIGG0. <br /> n.)Per Table SA of ESR-3750 and Ideal Manufacturing Inc.,the maximum Installation torque rating of a 2-7/8"0 helical pile(0.203-inch wall thickness)is 8.300 <br /> ft'Ibs.Final installation torque shall not exceed this value. <br /> III.)Piles shall reach a torque that correlates with an allowable capacity that meets or exceeds the maximum allowable load demand as listed In the structural <br /> package,but shall not exceed the maximum allowable capacity for any part of the pile assembly, <br /> iv.)Refer to ESR-3750 and Ideal Manufacturing,Inc.documents for additional information and requirements- <br /> v.)Definitions per ESR-3750: <br /> T=Final Installation torque in ft'Ibs:the last torque reading taken during pile Installation,using,for example.the torque reading <br /> instruments connected to the installation equipment <br /> K,=Torque correlation factor per ESR•3750 <br /> P.=Ultimate axial compressive capacity(in kips)of helical pile <br /> P.=Allowable axial compressive capacity(in kips)of helical pile <br /> vi.)For torque readings between those listed,use the following equation to determine the allowable capacity:P,=(T•KJ/2 <br /> vii.1 1 lup=1,000 lbs <br /> viii.)Per Note 3 of Ideal Group Dwg No.:27STFG dated 4/23/20,the ultimate structural capacity for the 2 718"TRU-FORCE Underpinning Bracket is limited to <br /> 60 kips. <br /> L120 ENGINEERING&DESIGN <br />