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).
Most Post-Tension slabs will have. grade beams similar to the two shown in figure 1.1 and 1.2. The exterior grade beams are typically 10 to 12 inches wide. and 18 to 24 inches deep. The interior grade beams are. typically 12 inches wide and 18 to 24 inches deep.