ToC
64-421

Permitted obstructions

The provisions of this Section shall apply without requiring a building to comply with flood-resistant construction standards as established in paragraph (a) of Section 64-12 (Applicability).

(a)        For existing single- and two-family residences, and for the reconstruction of such residences, mechanical equipment including but not limited to accessory heating and cooling equipment and emergency generators, shall be permitted obstructions in open space required on the zoning lot, in any side yard, rear yard or rear yard equivalent, and in courts, provided such equipment is:

(1)        located above flood-resistant construction elevation; and

(2)        located at least five feet from any lot line; and

(3)        screened on all sides by walls consisting of at least 50 percent opaque materials; and

(4)        in compliance with the standards of either paragraph (a)(5) or (a)(6) of this Section; and

(5)        the mechanical equipment and all structure and screening are located no more than seven feet from the wall of a building and limited to a height of no more than 10 feet above flood-resistant construction elevation; or

(6)        the mechanical equipment is located within a detached garage or on the roof of a detached garage, provided that:

(i)        where covered by a sloping roof that rises at least seven inches in vertical distance for each foot of horizontal distance, no portion of the roof shall exceed a height of 14 feet above the adjoining grade, measured to the midpoint of a sloping roof; or

(ii)        for all other conditions, no portion of the garage, screening or the mechanical equipment shall exceed a height of 12 feet above the adjoining grade.

(b)        For existing buildings, except single- and two-family residences, accessory mechanical equipment shall be permitted obstructions in courts and open space, provided such equipment is:

(1)        located above flood-resistant construction elevation;

(2)        within a structure that provides screening of such mechanical equipment on all sides by walls consisting of at least 50 percent opaque materials;

(3)        limited to a height established in Section 64-322 (Permitted obstructions in required yards, courts and open space), paragraph (c), for mechanical equipment as permitted obstructions in a rear yard; and

(4)        located at least 30 feet from any legally required window.

(c)        For existing buildings, except single- and two-family residences, lifts for persons with disabilities, where permitted pursuant to provisions of the New York City Building Code, shall be permitted obstructions in yards, courts and open space.

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