New Hampshire Code of Administrative Rules
Env - Department of Environmental Services
Subtitle Env-Wt - Wetlands Programs
Chapter Env-Wt 500 - PROJECT-SPECIFIC REQUIREMENTS
Part Env-Wt 514 - BANK/SHORELINE STABILIZATION: ALL PROJECTS
Section Env-Wt 514.07 - Bank Stabilization Construction Project Classification
Universal Citation: NH Admin Rules Env-Wt 514.07
Current through Register No. 13, March 27, 2025
(a) The following projects shall be classified as minimum impact:
(1) Any bank stabilization project of less
than 50 LF, at low flow, and no in-channel work, if designed by a certified
wetland scientist or a professional engineer;
(2) Any soft vegetative bank stabilization,
bioengineered bank stabilization, or semi-natural form of less than 200 LF
designed by a professional engineer on any size watercourse, when the applicant
participates in a pre-design submittal meeting with department wetland bureau
staff and the application is submitted through the minimum impact expedited
review process; and
(3) Repair or
replacement in-kind of an existing legal retaining wall that:
a. Is done in the dry;
b. Results in no change in height, length,
location, or configuration; and
c.
Adds no more than 6 inches of width.
(b) The following projects shall be classified as a minor impact:
(1) Any project
less than 50 LF that does not meet the minimum impact criteria;
(2) A bioengineering project that is 200 LF
or greater when designed by a professional engineer;
(3) Any other bank stabilization project that
is 50 LF or more to less than 200 LF in length; and
(4) Any semi-natural design bank
stabilization project of less than 200 LF in length, where greater than 75
percent of the project is designed using soft bank stabilization components
that includes natural plants, dormant stakes, fiber rolls, and native wood
logs.
(c) The following projects shall be classified as a major project:
(1) A semi-natural design bank stabilization
project of 200 LF or greater or where greater than 25 percent of the project is
using hard scape components; and
(2) Any other project that does not meet the
minor bank stabilization criteria.
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