How much bearing upon a foundation should a concrete side form have?

A concrete side form should have full bearing upon a foundation to ensure that the formwork is adequately supported and stabilized during the concrete pouring process. Full bearing means that the weight of the formwork, along with the weight of the wet concrete, is evenly distributed across the foundation. This prevents any displacement or movement of the forms, which could lead to improper shaping of the concrete or even structural failures.

Ensuring full bearing contributes to the overall integrity of the construction, allowing the concrete to cure properly and achieve the desired strength and durability. It also minimizes the risk of defects such as honeycombing or cracking, which can occur if forms are inadequately supported. Proper bearing is crucial for alignment and surface finish, playing a vital role in the quality of the final concrete structure.