I am designing a platform to hold equipment on top of a building. I have already calculated my wind pressure. I am a bit confused on the force coefficient to use. I know to use Figure 29.5-1 for the force coefficient on the equipment, but unsure on what figure to use for the force coefficient on the platform itself. I am thinking I use the force coefficients in figure 29.5-2. The platform has four pipe columns, the beams are made out of wide flanges and channels and i have knee braces to stabilize the structure.
It would greatly appreciated any help on the correct way to calculate the wind force on the platform.
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