The tool assists in determining the appropriate decline for waste disposal pipes. This decline, expressed as a fraction (e.g., 1/4 inch per foot), is critical for ensuring efficient and reliable wastewater flow. It provides a means to calculate the required drop in elevation over a given horizontal distance to maintain optimal drainage. As an example, using the tool, one can establish that a 10-foot pipe section requires a 2.5-inch vertical drop, given a standard 1/4-inch per foot slope.
Proper pipe grading is essential for preventing clogs and backups. An insufficient grade can cause solids to settle, leading to obstructions. An excessive grade, on the other hand, may cause liquids to drain too quickly, leaving solids behind. Historically, plumbers relied on levels and manual calculations to establish the correct incline. The modern version of this tool streamlines the process, reducing errors and saving time, thereby improving the overall effectiveness of plumbing installations and reducing the need for costly repairs.