Paving in waterfront public access areas shall comply with the following:

(a)        Locational requirements

(1)        Within required circulation paths

All paving material for a required circulation path shall be permanent, durable, accessible to persons with physical disabilities, and shall consist of one or a combination of the following:

(i)        Unit pavers constituted of stone, concrete, granite, asphalt or a mix of these materials with other aggregates;

(ii)        Concrete, prefabricated, poured or permeable;

(iii)        Wood planks for boardwalk or decking, except that tropical hardwood shall not be permitted;

(iv)        Solid plastic, such as “plastic lumber,” high density polyethylene, wood composite plastic or fiber-reinforced plastic.

(2)        Other than within required circulation paths

In addition to the permitted paving materials of paragraph (a)(1) of this Section, the following materials shall be permitted anywhere in a waterfront public access area:

(i)        Blocks such as Belgian blocks, cobble stones, concrete cobbles or Eurocobble;

(ii)        Gravel, loose, installed over a solid surface or glued with resin;

(iii)        Wood chips or other similar material;

(iv)        Metal grating, limited to locations that require drainage and for platforms;

(v)        Asphalt, impermeable or porous, which may be imprinted with thermoplastic patterns.

(3)        Special regulations for Type 2 upland connections

Paving for driveways and pedestrian paths shall be subject to the standards of the New York City Department of Transportation for roadbeds and sidewalks.

(b)        Dimensional requirements

(1)        All unit pavers shall have a minimum thickness dimension of two inches for pedestrian use and three inches for vehicular use and shall not exceed a maximum of four square feet in area.

(2)        Wood planks or plastic lumber for boardwalk or decking shall be a minimum of three inches thick (nominal dimension). The direction of planks shall not be parallel to the direction of traffic.

(3)        Concrete slabs, other than in upland connections, shall be a maximum of two feet in any one dimension.

All the above materials may be installed to facilitate storm water management appropriate for specific site conditions.