WE PIPE LLC
Before framing closes in a Greenpoint building conversion, the tub must be set in its final position so the waste and overflow connections, drain trap, and supply valve blocking can be precisely located, connected, and inspected. The drain must slope correctly to the trap arm, the overflow height must align with the tub's overflow port, and hot and cold supply blocking must be secured at the correct depth for the valve body being used — all before the surrounding framing is closed.
A developer converting a Greenpoint mixed-use building was adding a full bathroom to the second floor as part of a residential unit addition. No bathroom had existed on that floor previously, so the drain connection required a new branch off the building's main waste line below and a new trap arm routed through the floor framing. The metal stud framing contractor was ready to close the walls, which meant the plumbing rough-in had to be sequenced and completed before the window for a clean, access-friendly installation closed.
We core-drilled through the second floor deck to connect a new trap arm to a wye fitting we added to the main waste line below. The drain and overflow were connected to the bathtub before it was set in the alcove so we could confirm the waste and overflow alignment before the tub was in its final position, we set the tub on a mortar bed in the framed alcove, connected the drain and overflow, and roughed in the hot and cold supply lines with blocking secured between studs at the correct depth for the tub and shower valve body. All connections were pressure-tested and the drain was flow-tested before the tub surround tile installation proceeded. The framing contractor was able to continue immediately after our work passed rough-in inspection.
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