- Least density of the slab should be 125 mm.
- Absorption of water should not be over 15%
- Lapping is unaccepted for the bars which contain diameter over 36 mm.
- Longitudinal reinforcement should be not under 0.8% and in excess of 6% of gross C/S.
- At least 4 numbers of bars should be used for square column and 6 numbers of bars for circular column.
- Minimum density of the slab should be 125 mm.
- Lap slices are not recommended for the bar greater than 36 mm.
- Water absorption of bricks should not surpass 15%.
- PH value of the water should not be under 6.
- Dimension tolerance for cubes should be +2 mm.
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