PPI drugs can be both prescribed and purchased over the counter â in strengths that both cause the same level of damage to the kidneys. Researchers recommend PPIs should be avoided, especially when acid reflux or the like can easily be treated with kidney-safe H2 blockers.
Recommended thickness of concrete slabs. 1  Driveways: 6 - 8 inches (0.15 - 0.2 m). 2  Side walks, barn and granny floors: 5 - 6 inches (0.125 - 0.15 m). 3  Porches, Home garage floors: 4 - 5 inches (0.1 - 0.125 m).
The minimum required cover thickness of the foundation reinforcement is around 40 mm for foundation lying on a lean concrete layer and around 70 mm for foundation in direct contact with the soil. The required covering may be created by point or even better by linear spacers.