What is the permissible limit for bulking percent of sand?

The permissible limit for the bulking percent of sand typically ranges from 5% to 10%. This means that when moisture is present, the volume of sand can increase by this percentage due to the formation of a thin film of water around the sand particles. Exceeding this limit can lead to inaccurate measurements and affect the quality of concrete or mortar mixes. It's essential to account for bulking in construction to ensure proper material proportions and workability.