13 IMPORTANT POINTS FOR CIVIL-SITE ENGINEER ALWAYS REMEMBER ON SITE

13 IMPORTANT POINTS FOR CIVIL-SITE ENGINEER ALWAYS REMEMBER ON SITE


13 IMPORTANT POINTS FOR CIVIL-SITE ENGINEER ALWAYS REMEMBER ON SITE: 
Following 13 important points for civil site-engineer which he always keep in Mind on site. These points are very important because if you ignore some of this point some major Error could be occur at site.
 IMPORTANT POINTS:
  • Lapping is not allowed for the bars having diameter more than 36 mm. 
  • For dowels rod minimum of 12 mm diameter should be used. 
  • Free fall of concrete is allowed maximum to 1.50 meter. 
  • Minimum bar in square column is 4 number and 6 number in circular column. 
  • Main bars in slab not less than 8 mm if you are using(HYSD) or 10 mm if you are using(Plain bars) and the distribution bars was not less than 8 mm in a diameter and not be more than 1/8 of the given slab thickness. 
  • Longitudinal reinforcement not less than 0.8% and more than 6 %. 
  • In steel reinforcement binder wire required is 8 kg per MT (Metric ton). 
  • Minimum thickness of slab is 125 mm. 
  •  Dimension tolerance for cubes ±2 mm. 
  • Compressive strength of brick is 3.5 N/mm^2. 
  • Water absorption of brick is between 15% to 20%. 
  • PH (Power of Hydrogen) value of the water should not be less than 6. 
  • In soil filling as per IS codes 100 square meter should take 3 sample for core cutting test.
Source: civilclick.com

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