CA C-36 Plumbing
California CSLB C-36 Plumbing Contractor
Underground And Rough SystemsEnglish
Exam overviewPractice session
Under 2025 CPC Section 708.1, when a 1/4-inch-per-foot slope is impracticable due to street sewer depth or structural features and the Authority Having Jurisdiction approves a reduced grade, what is the minimum allowable slope for a 4-inch horizontal drainage pipe?
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