APPLICANT PACKET - Virginia Department of Conservation and ...

Grass-lined Channels: The method used to establish grass in the ditch or channel will depend upon the
severity of the conditions encountered. The methods available for grass establishment are set forth in
PERMANENT SEEDING, Std. & Spec. 3.32, and SODDING, Std. & Spec. 3.33. Below is a table which
can be used to help choose a successful grass establishment technique, if any of the four conditions is
exceeded, the next establishment technique below must be used.
Table 3.17 - A
GRASS ESTABLISHMENT
ALTERNATIVES
Establishment Technique Conditions
1. (a) Seeding with straw mulch and tack coat.
(b) Establishing Bermudagrass by sprigging.
2. Seeding with straw mulch and jute mesh or
other soil stabilization blankets.
(i.e., Treatment-1)
3. Sodding or use of soil stabilization matting
(i.e.,Treatment - 2).
1. Slopes less than 5%.
2. Velocity 3 feet per second or less.
3. Majority of drainage can be diverted
away from channel during germination
and establishment.
4. Erosion-resistant soils.
1. Slopes less than 5%.
2. Velocity 4 feet per second or less.
3. Majority of drainage can not be diverted
away from channel during germination
and establishment.
4. Moderately erodible soil
1. Slopes greater than 5%.
2. Velocity between 5 feet per second and
6 feet per second.
3. Majority of drainage can not be diverted
away from channel during germination
and establishment.
4. Highly erodible soil
Applicant Packet 79
June 2001