Domestic cold water, domestic hot water, and waste-vent risers are routed within a six-inch dual metal stud wall cavity. The assembly is constructed with one-and-five-eighths-inch metal studs spaced two-and-three-quarters inches apart. Pipe dimensions include a maximum four-inch waste-vent riser, a maximum three-quarter-inch domestic cold water riser, and a maximum half-inch domestic hot water riser. A maximum horizontal spacing of two inches is maintained between the studs for the waste-vent pipe.
MAXIMUM 4"W/V RISER 6" 2-3/4" 1-5/8" METAL STUD (TYP) MAXIMUM HORIZONTAL 2" W/V BETWEEN STUDS MAXIMUM 3/4" DCW / 1/2" DHW RISER
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