6.__Designated essential habitat and significant wildlife habitat.__A project may not unreasonably harm designated essential habitat or significant wildlife habitat within the coastal sand dune system.__ A project located partially or wholly within an area designated as essential habitat must obtain an essential habitat evaluation from the Department of Inland Fisheries and Wildlife.

7.__Fences.__To allow for the movement of sand and water, a closed fence may not be placed in any A-zone, B-zone, V-zone or X-zone.

8.__Legal access.__A project may not unreasonably interfere with legal access to or use of public resources.

9.__Restoration of disturbed areas.__All areas disturbed in violation of subsection 3 must be returned to their original condition within one year after completion of construction.

§480-BB.__Standards for frontal dune projects

1.__General standards.__Each frontal dune project must meet the standards for all projects listed in section 480-AA.

2.__New construction on frontal dunes.__A new structure or addition to an existing structure may not be constructed on or seaward of a frontal dune with the exception of the following:

A.__An elevated boardwalk constructed perpendicular to the beach face, open fences, walkways and driveways;

B.__A fire escape constructed on an existing building or structure as required by local fire codes;

C.__A ramp that is required for compliance with the requirements of the Americans with Disabilities Act, as long as the building served by the ramp meets those requirements, and a public ramp providing access to a beach;

D.__The construction of vertical building additions and the addition of dormers as long as:

(1)__The addition does not extend horizontally beyond the footprint covered by the existing building;