Landscaping License Practice Test

What is the recommended length for stakes used when installing formwork for a 4-inch thick concrete slab?

1. 1 ft

2. 2 ft

3. 3 ft

4. 4 ft

The correct answer is: 1 ft

The recommended length for stakes used when installing formwork for a 4-inch thick concrete slab is typically around 1 foot. This length is adequate to provide stability and support to the formwork, ensuring that it remains in position during the pouring and curing of the concrete. A stake that is about 1 foot long allows for sufficient embedding into the ground while also being easily manageable for installation and removal after the concrete has set. Longer stakes, such as those at 2 feet or more, may not be necessary for a slab of this thickness and could complicate the process by making the formwork harder to align and secure properly. There could also be potential issues with removing such long stakes without disturbing the concrete. Therefore, using stakes around 1 foot in length balances support and practicality effectively for formwork related to a 4-inch concrete slab.