2006 New York Code - Height And Area Limitations.

 
    §  27-461  Height  and area limitations. The height of the top parking
  surface, and the area per parking tier, shall not exceed the limitations
  listed in table 7-1.
 
                                 Table 7-1.
            Height and area limitation of open parking structures
  ========================================================================
  Construction              Maximum allowable         Allowable area per
  classification              height (ft.)           parking tier (sq.ft.)
  ------------------------------------------------------------------------
  1A                            unlimited                  unlimited
  1B                            unlimited                  unlimited
  1C                               100                      50,000
  1D                               100                      50,000
  1E                               75                       30,000
  ========================================================================
 
    a. The area of an open parking structure  having  not  more  than  two
  tiers above grade shall not be limited.
    b.  Open  parking  structures of construction class 1C or 1D exceeding
  three parking levels may be sixty thousand square feet  on  any  parking
  level  provided  they  shall  have  at  least  fifty  per  cent of their
  perimeter, fifty per cent open.
    c. Open parking structures of construction class 1C or  1D,  exceeding
  three  parking  levels,  may  be one hundred thousand square feet on any
  parking level when fifty per cent of the perimeter  is  fifty  per  cent
  open,  and  may  be  one hundred twenty-five thousand square feet on any
  parking level when seventy-five per cent of the perimeter is  fifty  per
  cent  open  and  may  be  one  hundred fifty thousand square feet on any
  parking level when one hundred per cent of the perimeter  is  fifty  per
  cent  open  in all aforementioned cases and shall have frontage space on
  at least two sides, and the horizontal distance on any level to an  open
  exterior wall shall not exceed two hundred feet.
    d.  Open  parking  structures of construction class 1E exceeding three
  parking levels may be fifty thousand square feet on  any  parking  level
  when  fifty  per cent of the perimeter is fifty per cent open and may be
  sixty-two thousand five hundred square feet on any  parking  level  when
  seventy-five per cent of the perimeter is fifty per cent open and may be
  seventy-five  thousand square feet on any parking level when one hundred
  per cent of the perimeter is fifty per cent open in  all  aforementioned
  cases  and  shall  have  frontage  space  on at least two sides, and the
  horizontal distance on any level to an  open  exterior  wall  shall  not
  exceed two hundred feet.
    e. The allowable areas specified in notes b, c and d above shall apply
  only  to  open  parking  structures used exclusively for the parking and
  storage  of  passenger  vehicles  accommodating  not  more   than   nine
  passengers but not including trailers, campers or similar vehicles.