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Sunday, January 12, 2020

BASIC SOME KNOWLEDGE MUST BE CIVIL SITE ENGINEER

                    CIVIL SITE ENGINEER MUST KNOWN



  1. Lapping is not allowed for the bars having diameters more than 36 mm.
  2. Chair spacing maximum spacing is 1.00 m or 1 no per 1 m^2.
  3. For dowels rod minimum of 12 mm diameter should be used.
  4. Chairs minimum of 12 mm diameter bars to used.
  5. Longitudinal reinforcement not less than 0.8% and more than 6% of gross C/S.
  6. Minimum bars for square column is 4 No's and 6 No's for circular column.
  7. Main bars in the slabs shall not be less than 8 mm (HYSD) or 10 mm (plain bars) and the distributions not less than 8 mm and not more than 1/8 of  slab thickness.
  8. Minimum thickness of slab is 125 mm.
  9. Dimension tolerance for cubes + 2 mm.
  10. Free fall of concrete is allowed maximum to 1.50 mm
  11. Lap slices not be used for bar larger than 36 mm.
  12. Water absorption of bricks should not be more than  15%.
  13. PH value of the water should not be less than 6.
  14. Compressive strength of Bricks is 3.N/mm^2.
  15. In steel reinforcement binding wire required is 8 kg per MT.
  16. In soil filling as per IS code, 3 sample should be taken for core cutting test every 100 m^2.
  17. PH value of the water should not be under 6.
  18. Electrical conduits shall not run in column.

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