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8 of 29 <br /> A PROJECT NO. SHEET NO. <br /> 11P4Arc'.ice` <br /> '. S211026-4XR <br /> ��* 5117 27TH AVE W EVERETT, WA 98203 <br /> PROJECT <br /> LONGITUDE SUBJECT Staai IcaGti►,hiS ttiiizEileri eH�n Chart <br /> ONE TWENTY° <br /> ENGINEERING&DESIGN BY FY DATE 05/10/2022 <br /> ideal foundation Systems 2 7f8"o Hence'Pile 10.203-lach wan thkinwes)..Soil Capadty per ESR-3750 <br /> DIGGA 1OK Drive Torque Correlation factor,Ir., Ultimate Axial Compressive Allowable Mal Compressive <br /> Head Torque T Compression Capanty,P„=K,'T Capacity, P.=05'P„ <br /> Pressure (fries) <br /> (psis at 1) (*lps! (tips) <br /> 500 1,740 9 15.7 7.8 <br /> 600 2,088 9 18.8 9A <br /> 700 2.436 9 21-9 11.0 <br /> 800 7,764 9 25.1 123 <br /> 900 3,132 9 28.2 14.1 <br /> 1000 3,480 9 313 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 /> MAX 1900 6,612 9 593 29.8 s"See Note vin <br /> 2000 6960 9 62.6 33.3 <br /> 2100 7,308 9 65.8 32.9 <br /> 2200 7,656 9 68.9 34.5 <br /> 2300 8,000 9 72.0 36.0 'See Note is <br /> I.)DIGGA 10K Drive Head differential pressure display to torque output has been pulled from the attached conversion charts provided by DIGGA. <br /> ii.)Per Table 5A 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 /> 7=Final Installation torque in ft*lbs;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,_(1-*K4/2 <br /> vii.)1 kip=1,000lbs <br /> viii.)Per Note 3 of ideal Group Dwg No.:2787FG dated 4/23/20,the ultimate structural capacity for the 2 7/8"TRU•FOACE Underpinning Bracket is limited to <br /> 60 kips. <br /> L120 ENGINEERING&DESIGN <br />