Thoát nước, Nước thải & Thông hơiCâu 146 / 360
The required size of vertical and horizontal storm (rainwater) piping is determined from code tables based on the projected roof area and…
a.the number of floor drains
b.the local rainfall rate in inches per hour
c.the building trap size
d.the sanitary DFU count
Giải thích
Storm drain and leader sizing is based on the horizontally projected roof area served and the local design rainfall rate in inches per hour. A higher rainfall rate or larger roof area requires larger pipe. Local jurisdictions publish the design storm intensity used for these calculations.
Trích dẫn luật: 2022 California Plumbing Code (CPC) §1101.0Luyện miễn phí toàn bộ 360 câu hỏi — không cần đăng ký.
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