A MINIMUM of how many total cleanouts are REQUIRED in a 4-inch building sewer with a straight run of 550 feet in length with a cleanout installed at each end
Eight cleanouts are required in a 4-inch building sewer with a straight run of 550 feet.
According to plumbing codes, a cleanout is required every 100 feet for a straight run of building sewer. Therefore, for a 550-foot straight run, at least eight cleanouts are necessary to ensure accessibility for maintenance and clearing blockages.
This option exceeds the necessary requirement for cleanouts. While having additional cleanouts may be beneficial in some contexts, the minimum requirement for a 550-foot straight sewer run is eight cleanouts, not nine.
This choice underestimates the number of cleanouts needed. For 550 feet of sewer, the calculation necessitates cleanouts every 100 feet, totaling at least eight cleanouts, making six insufficient for proper maintenance and compliance with plumbing codes.
Seven cleanouts still falls short of the required number. Given the straight run of 550 feet, the proper calculation indicates the need for eight cleanouts, as each segment of 100 feet mandates its own access point.
This choice correctly identifies the required number of cleanouts. Following plumbing regulations, a cleanout is needed every 100 feet, resulting in a total of eight cleanouts for a straight run of 550 feet, ensuring proper maintenance access.
The requirement for cleanouts in a building sewer system is dictated by the length of the sewer run. For a 550-foot straight run, eight cleanouts are mandated to facilitate maintenance and compliance with plumbing codes. Each incorrect option either underestimates or miscalculates the necessary number, emphasizing the importance of adhering to established regulations for effective plumbing design.
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According to Code
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