A hidden vertical space inside a wall that pipes and ducts run through between floors of a building.
A vertical shaft or enclosed space built into a wall or structure to conceal and route pipes, ducts, or wiring between floors. Plumbing chases are typically located at wet wall locations and sized to accommodate stacks, supply lines, and vent pipes. Proper fire-stopping is required where chases penetrate floor and ceiling assemblies.
The architect designed a centralized plumbing chase to stack the bathrooms on all three floors directly above each other.
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