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Mechanical/plumbing work: Installation of (2) backflow preventers, (1) dcda…, est. $764K

330 East 21 Street, Manhattan 10006 · Plan Examiner Review

JobM01434767 (2 filings: I1, S1) · Alteration
Categorymechanical/plumbing
Estimated cost$763,710
Work typesPlumbing, Sprinklers
FiledJul 30, 2026
ProfessionalMp Engineers + Architects
BuildingBIN 1081671 · BBL 1009260001
Official recordDOB NOW job M01434767

DOB description

M01434767-I1: INSTALLATION OF (2) BACKFLOW PREVENTERS, (1) DCDA VALVE, (1) DOMESTIC WATER BOOSTER PUMP, (1) SPRINKLER BOOSTER PUMP, (1) JOCKEY PUMP, AND (1) DUPLEX SUMP PUMP. INSTALLATION OF WATER LEAK DETECTION SYSTEM FOR THE RPZ.
M01434767-S1: CONSTRUCTION/EARTHWORK FROM THE BUILDINGTO THE STREET.

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