Caught myself shorting concrete pours for 2 years in Denver

I always figured the yield numbers on the bag were just a suggestion, so I'd add a bit extra water to stretch a mix further. Last Tuesday the inspector flagged a slab we did for a parking garage, said the compressive test came back 400 psi under spec, and that's when I realized my shortcut was the problem. Anyone else ever get burned by trying to make material go further and end up paying twice?

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jamesf263d ago

Water ratios are the one thing you never fudge. That test failure costs way more than saved.