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PDFWAC 51-52-1107

Section 1107Refrigerant piping.

1107.2 Piping location. Refrigerant piping that crosses an open space that affords passageway in any building shall be not less than 7 feet 3 inches (2210 mm) above the floor unless the piping is located against the ceiling of such space. Refrigerant piping shall not be placed in any of the following:
1. A fire-resistance-rated exit access corridor.
2. An interior exit stairway.
3. An interior exit ramp.
4. An exit passageway.
5. An elevator, dumbwaiter, or other shaft containing a moving object.
6. A shaft that has one or more openings into a fire-resistance-rated exit access corridor, interior exit stairway or ramp, or exit passageway.
[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 16-01-148, § 51-52-1107, filed 12/21/15, effective 7/1/16.]
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