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  • Users: Battleman
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  1. Battleman

    Steel Pipe Bollards design

    Have a reviewer at a city that wants statement that a 4" steel pipe bollard, concrete filled, 36" imbed, 36" above ground will withstand 12,000 pounds at the 36" mark. Im not an engineer of any kind, just trying to get a project permitted. If it were a 4000lbs vehicle moving at 15mph would the...

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