Snap tie quantities are calculated based on a specified number of ties per what measurement?

Snap tie quantities are primarily calculated based on a specified number of ties per square foot. This measurement reflects the area that a form will cover, which is essential in determining how many ties are necessary to support the formwork for concrete placement. Calculating snap ties in relation to square footage allows for an accurate and efficient distribution of support, ensuring that the concrete structure has the necessary integrity as it cures.

The area measurement ensures that the necessary ties are adequately spaced to maintain the shape of the form and withstand the pressure exerted by the wet concrete. This approach is crucial in construction because it helps avoid failures or distortions during the pouring process. By focusing on square footage, builders can ensure both safety and structural compliance in their projects.