Transmission And Substation Foundations - Technical Design Manual (TD06088E)

2. Assumptions a. Boring is representative of the location i. Water table depth is deeper than 50 ft b. Given loads are working (moment and shear can act in any direction)

i. Compression: 50 kip ii. Moment: 2000 kip-ft iii. Shear: 40 kip c. Piles are installed at ground level d. Torque to Capacity Ratio for RS4500 is 6:1 e. Pinned Head Condition f. Axial FS=2.0 g. 1” of Lateral deflection acceptable at working loads

3. Notes a. May reach installation torque before reaching minimum embedment. Adhere to minimum embedment requirement i. Ensure final torque is greater than installation torque b. Maximum torque for RS4500.337 is 21,000 ft-lbs. Do not overtorque!

DESIGN EXAMPLES

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