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In the Level Field System, how deep should lines be installed below the tank outlet?

  1. 3 inches

  2. 4 inches

  3. 5 inches

  4. 6 inches

The correct answer is: 6 inches

In the Level Field System, lines must be installed a depth of 6 inches below the tank outlet to ensure proper drainage and functionality. This depth helps to maintain adequate if necessary to prevent clogs or siltation in the plumbing system. It also aids in allowing for thermal expansion and contraction of the materials used, minimizing the risk of damage to the lines. Installing the lines at this depth considers factors such as potential freezing temperatures, soil conditions, and the need for gravity flow to function properly. By adhering to this specified depth, contractors can ensure the performance and longevity of the system in varying environmental conditions.