Section Env-Wt 511.04 - Water Access Structure Design Requirements In addition to meeting applicable design requirements established in Env-Wt 307, the following design requirements shall apply to water access structures:
(a) Wherever hardened shorelines exist, whether due to naturally-occurring stones, installed rip-rap, or constructed retaining walls, construction of a water access structure shall be landward and above the hardened shoreline;(b) Hardened shorelines shall remain intact with the exception of material that must be removed for the installation of steps to access the water;(c) Where hardened shorelines do not exist, water access surfaces shall be located at an elevation at least 12 inches landward of the normal high water line;(d) Beaches shall be designed such that the beach surface has zero slope;(e) All water access structures other than beaches shall be sloped away from the adjacent surface water;(f) Steps for access to and from a water access structure shall:(1) Not exceed 6 feet in width; and(2) Be constructed or installed such that all portions of the steps are landward of the normal high water line;(g) Stairs constructed to and from a water access structure shall: (1) Not exceed 6 feet in width; and(2) If installed or constructed to provide access to the water, be removed from the lakebed prior to ice-in and not be re-installed until ice-out;(h) Water access structures shall be located to avoid and minimize removal of vegetation as required by RSA 483-B:9,V(a);(j) No work shall be conducted in a wetland or PRA, except as provided in Env-Wt 407;(k) No new water access structures and no combination of existing and proposed structures shall use more than 20 percent of the applicant's contiguous shoreline, up to a maximum of 50 feet; and(l) Appropriate devices for diversion of stormwater away from beaches shall be installed immediately upslope of the beach.N.H. Code Admin. R. Env-Wt 511.04
Derived from Volume XXXIX Number 28, Filed July 11, 2019, Proposed by #12805, Effective 12/15/2019, Expires 12/15/2029.Amended by Volume XL Number 2, Filed January 9, 2020, Proposed by #12954, Effective 12/24/2019, Expires 12/24/2029.Amended by Volume XL Number 41, Filed October 8, 2020, Proposed by #13124 Effective 10/23/2020, Expires 10/23/2030.