New Hampshire Code of Administrative Rules
Env - Department of Environmental Services
Subtitle Env-Wq - Water Quality and Quantity Programs
Chapter Env-Wq 1500 - ALTERATION OF TERRAIN
Part Env-Wq 1506 - METHODS FOR EROSION AND SEDIMENT CONTROL DURING TERRAIN ALTERATION ACTIVITIES
Section Env-Wq 1506.09 - Sediment Control Methods: Temporary Construction Exits
Current through Register No. 13, March 27, 2025
Temporary construction exits, also called anti-tracking pads, shall be used only as follows:
(a) The minimum stone used shall be 3-inch crushed stone;
(b) The minimum length of the pad shall be 75 feet, except that the minimum length may be reduced to 50 feet if a 3-inch to 6-inch high berm is installed at the entrance of the project site;
(c) The pad shall extend the full width of the construction access road or 10 feet, whichever is greater;
(d) The pad shall slope away from the existing roadway;
(e) The pad shall be at least 6 inches thick;
(f) A geotextile filter fabric shall be placed between the stone pad and the earth surface below the pad; and
(g) The pad shall be maintained or replaced when mud and soil particles clog the voids in the stone such that mud and soil particles are tracked off-site.
(See Revision Note #1 at chapter heading for Env-Wq 1500) #9343, eff 1-1-09