ok here's the deal iv'e got my plans all drawn up i'm building a 60 ft flat bar with 2ft of overhang on each side and i have the support posts spaced every 10ft that equals six support post total my question is, is that enough support posts? do i need more spaced closer toghether? also keep in mind my post will be sunk 4-5ft into the ground with side 2x4 support running the length of the slider. thanks!
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