Final answer:
When using single-post shores one on top of another, it is important to follow specific requirements such as using shores of the same length, proper bracing, and equal interval spacing.
Step-by-step explanation:
When using single-post shores one on top of another, there are specific requirements that should be followed:
- The shores should be of the same length: This helps ensure stability and equal support between each shore.
- The shores should be properly braced: Bracing is important for reinforcing the shores and preventing any lateral movement or collapse.
- The shores should be placed at equal intervals: Placing the shores at equal intervals helps distribute the load evenly and maintain overall balance.