Thoát nước, Nước thải & Thông hơiCâu 72 / 360
A vent terminating through a roof must extend above the roof surface at least:
a.3 inches
b.12 inches
c.4 inches
d.6 inches
Giải thích
Each vent pipe passing through a roof must extend at least 6 inches above the roof surface. A shorter extension can be blocked by debris or ponding water. Where the roof is used for purposes other than weather protection, the vent must extend at least 7 feet above the roof.
Trích dẫn luật: 2022 California Plumbing Code (CPC) §906.1Luyện miễn phí toàn bộ 360 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- A 3 inch building sewer sloped at 1/8 inch per foot is limited to a maximum of how many DFU?
- What is the maximum DFU load on a 2 inch horizontal fixture branch?
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- A vent terminal near an openable window or door must terminate at least:
- For a 2 inch trap arm, the maximum developed length to the vent is:
- For a 3 inch trap arm, the maximum developed length to the vent is:
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