Building on left demonstrates current issue with excessive mechanical voids. Image Credit: NYC CPC

Developers were using excessive mechanical spaces to increase the height of their buildings. On May 29, 2019, the City Council voted to adopt the Residential Tower Mechanical Voids Text Amendment with modifications. The Department of City Planning proposed the amendment in response to developers incorporating excessively tall mechanical floors – “mechanical voids” – in residential towers to increase their allowable height, as mechanical floors did not count toward the zoning floor area in the Zoning Resolution. This would result in towers with several floors of mostly empty space that would allow developers to build higher, increasing the values of the apartments on higher floors. In late 2018, Mayor Bill de Blasio asked the Department of City Planning (DCP) to investigate the mechanical voids problem and find a solution.

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Building on left demonstrates the current issue with excessive mechanical voids. Image Credit: NYC CPC

The proposal discourages clustering mechanical voids in a way that inflates building heights. On January 28, 2019, the CPC announced the beginning of public review of the proposed rezoning plan to limit the use of excessive voids that artificially inflate tower heights in residential buildings. Currently, these voids, or multiple floors of empty space, are not counted as zoning floor area in the Zoning Resolution. (read more…)