Water use

Maximum permitt concentration of various harmful elements as suggested by I.S.I

• Organic solid  0.02 %
• Inorganic solid  0.30% 
• Sulphates 0.05%
• Alkali chlorides   0.1%  

Admixtures 

• Other than using special cement , admixture can be used to change certain properties in concrete more effectively 
• TO reduce cost of concrete construction 
•  To ensure quality of concrete during mixing , transporting , placing , and curing in adverse weather conditions 
• To overcome certain emergencies during concreting operations .