15A NCAC 07H .2405      SPECIFIC CONDITIONS

(a)  This general permit shall only be applicable along shorelines possessing wetlands, which exhibit an identifiable escarpment.

(b)  The structure shall be constructed of granite, marl, riprap, concrete without exposed rebar, or other suitable equivalent materials approved by the Division of Coastal Management.

(c)  The height of the erosion escarpment shall not exceed three feet.

(d)  The riprap shall be placed immediately waterward of the erosion escarpment.

(e)  The riprap revetment shall be positioned so as not to exceed a maximum of six feet waterward of the erosion escarpment at any point along its alignment with a slope no flatter than three feet horizontal per one foot vertical and no steeper than one and one half feet horizontal per one foot vertical.

(f)  The riprap shall be positioned so as not to exceed a maximum of six inches above the elevation of the adjacent wetland substrate or escarpment.

(g)  Where the Division of Coastal Management determines that insufficient wetland vegetation exists along the permittee's shoreline to provide adequate shoreline stabilization, the permittee shall be required to plant appropriate wetland vegetation landward of the riprap revetment as directed by the Division of Coastal Management.

(h)  Construction authorized by this general permit will be limited to a maximum length of 500 feet.

(i)  No backfill or any other fill of wetlands, submerged aquatic vegetation, estuarine waters, public trust areas, or highground areas is authorized by this general permit.

(j)  No excavation of the shallow water bottom, any wetlands, or high ground is authorized by this general permit.

(k)  Riprap material used for revetment construction shall be free from loose dirt or any pollutant and be of a size sufficient to prevent its movement from the site by wave action or currents.

(l)  If the crossing of wetlands with mechanized or non-mechanized construction equipment is necessary, temporary construction mats shall be utilized for the area(s) to be crossed. The temporary mats shall be removed immediately upon completion of construction of the riprap structure.

(m)  The permittee shall maintain the structure in good condition and in conformance with the terms and conditions of this permit or the remaining riprap revetment shall be removed within 90 days of notification from the Division of Coastal Management.

 

History Note:        Authority G.S. 113A‑107; 113A‑118.1;

Eff. August 1, 2000;

Amended Eff. February 1, 2009.