Description: A Grade Stabilization Structure means a structure (earth embankment, mechanical spillway, detention-type, etc.) used to control the grade and head cutting in natural or artificial channels to improve water quality. Benefits may include reduced soil erosion and sedimentation.
Grade Stabilization Structure Policy
Requirements for all Sediment and Nutrient Management Measures.
General Policies for Commission Cost Share Programs
Maintenance Period: 10 years
Additional Spot Check Requirements: None
BMP Units: Each
Cost Information: Average cost (75% or 90%). Refer to ACSP Average Cost Lists for details.
CS2 Project Description examples
Expected Results:
Acres affected - (drainage area)
Soil saved - NRCS Gully Erosion Tool
Reference Materials:
NC-ACSP-11 Signature Page
Map with BMP location, fields, and roads
For 90% Cost share, please upload the NC-CSPs-1E form.
| CS2 Common Components | Units |
|---|---|
| CATCH BASIN | Job |
| EARTH FILL - ADJACENT (WITHIN 300 YDS) | CuYd |
| EARTH FILL ADJACENT, COMPACTED | CuYd |
| EARTH FILL HAULED | CuYd |
| EARTH FILL HAULED, COMPACTED | CuYd |
| EXCAVATION - w/spoil removal | CuYd |
| FILTER CLOTH - Geotextile fabric | SqYd |
| GRADING - medium, <=6" avg | Acre |
| GRADING - maximum heavy >12" avg | Acre |
| GRADING - minimum, <= 1/4 acre | Acre |
| VEGETATION - bag lime, seed and fertilizer | Acre |
| VEGETATION - bulk lime, seed and fertilizer | Acre |
| VEGETATION - seedbed prep | Acre |
| VEGETATION - mulch, small grain straw | Acre |
| PIPE - CORRUGATED METAL, galvanized and bituminous coated with paved invert, various gauges and sizes- includes excavation and backfill | LinFt |
| PIPE - CORRUGATED PLASTIC, polyethylene, single wall, various sizes - does not include excavation | LinFt |
| PIPE - CORRUGATED PLASTIC, polyethylene, double wall, various sizes - does not include excavation | LinFt |
| PIPE - Perf drain w/ 2'X2' GRAVEL FILTER, INCLUDES EXCAVATION/BACKFILL OF 2'X3' PER LF | LinFt |
| PIPE - CORRUGATED STORMWATER, TYPE S, SMOOTH WALL, various sizes - includes excavation and backfill | LinFt |
| STONE - gravel | Ton |
| STONE - riprap | Ton |
| EROSION CONTROL MATTING - TEMP, 12 MONTHS, or less LONGEVITY | SqYd |
| EROSION CONTROL MATTING - TEMP, 18 - 36 MONTHS LONGEVITY | SqYd |
| EROSION CONTROL MATTING - TEMP, <400 SQ FT, STRAW - 12 MONTHS or less LONGEVITY | SqFt |
JAA:
NRCS - 410- Grade Stabilization Structure
Refer to the SWCC JAA Application Requirements for details.