I HAVE 3 CONCRETE 'PILLARS' 760mm SQUARE ABOUT 2-2.5M HIGH.<br>
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4 MECHANICAL STRUCTURES OF APPOX. 1 TONNE AND WITH LARGE MOVING PARTS (100RPM) IS TO BE PLACED ON THESE STRUCTURES WITH M20 CHEMICAL BOLTS (6) ALL AT LEAST 175mm FROM EDGE.<br>
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I AM THINKING WE SHOULD INCREASE THE SIZE OF...