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Building permit · New York County (Manhattan), NY

Mechanical Systems

420 Fifth Avenue, ManhattanManhattanHVAC / heating / cooling

Work described

From the filing

Removal and installation of ductwork. Relocation of existing supply and return diffusers, and relocation of existing thermostats . Installation of new transfer ducts and fire dampers. at unit 34th. No change to use, egress, occupancy.

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New York County (Manhattan), NY