An elevated open stairway like the one in the sac is

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Reference no: EM13627043

An elevated open stairway (like the one in the SAC!) is designed to be supported by four steel rods connecting the stairway to the ceiling. The weight of the stairway plus a full load of people is 9577 pounds. If the rods are 0.9 inches in diameter and the allowable stress of the steel used is 80,000 psi, what is the safety factor of this design?

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