Precautions

• Concreting should be continuously to avoid irregular and unsightly 
•  Formwork should be oiled before concreting 
• While placing the concrete , the position of formwork and reinforcement should not be disturbed 
• Concrete should not be dropped from height > 1m
• Avoid raining day 
• Thickness of concrete should not more than 30-45 cm for mass concrete and 15-30 cm for RC stuctures 
• Avoid walking on freshly concrete laid . 
• Concrete should be placed as near to its final position .