Final answer:
The minimum length for stakes on an 8-inch-high steel form should generally be at least three times the height of the form, which equals approximately 24 inches, to ensure stability and safety.
Step-by-step explanation:
The minimum length for stakes used on steel forms that are 8 inches high typically depends on various factors, including the stability requirements, the weight of the forms, the type of soil, and the expected load on the formwork. However, a common rule of thumb in the construction industry is that the stakes should be at least three times longer than the height of the form.
Therefore, for an 8-inch steel form, the minimum stake length should be at least 24 inches. This ensures enough depth for stability and helps prevent the forms from shifting or collapsing when concrete is poured.