43-44 - Alternate Front Setbacks LAST AMENDED 6/6/2024 M1 M2 M3 In all districts, other than districts with an A suffix, if an open area is provided along the full length of the #front lot line# with the minimum depth set forth in the following table, the provisions of Section 43-43 (Maximum Height of Front Wall and Required Front Setbacks) shall not apply. The minimum depth of such open area shall be measured perpendicular to the #front lot line#. However, in such instances, except as otherwise provided in this Section or in Sections 43-42 (Permitted Obstructions) or 43-45 (Tower Regulations), no #building or other structure# shall penetrate the alternate #sky exposure plane# set forth in the table in this Section. The #sky exposure plane# shall be measured from a point above the #street line#. In an M1-6 District, if the open area provided under the terms of this Section is a #public plaza#, such open area may be counted toward the bonus provided for a #public plaza#, pursuant to Section 43-14 (Floor Area Bonus for Public Plazas and Arcades). In M1-1 Districts, for #community facility buildings# the height above the #street line# shall be 35 feet. ALTERNATE REQUIRED FRONT SETBACKS Depth of Optional Front Alternate #Sky Exposure Plane# Open Area (in feet) Height Slope over #Zoning Lot# (expressed as a ratio of above vertical distance to horizontal distance) #Street Line# On #Narrow Street# On #Wide Street# (in feet) On #Narrow On #Wide Vertical Horizontal Vertical Horizontal Street# Street# Distance Distance Distance Distance Within M1-1 Districts 15 10 30 1.4 to 1 1.4 to 1 Within M1-2, M1-4, M2-1, M2-3 or M3 Districts 15 10 60 3.7 to 1 7.6 to 1 Within M1-3, M1-5, M1-6, M2-2 or M2-4 Districts 15 10 85 3.7 to 1 7.6 to 1 ALTERNATE SKY EXPOSURE PLANE (23 - 64, 24 - 53, 33 - 442, 43 - 44)