[Owrinfo] Soil Stabilization

Pena, Traci (DEM) traci.pena at dem.ri.gov
Wed Nov 9 10:30:51 EST 2016


NOTICE to all construction site owners and operators.

TOPIC: SOIL STABILIZATION

It has been warmer than normal, but the grass will stop growing very soon.  Vegetation must be used quickly, if you have an open site.  It is a requirement that you protect and stabilize bare and disturbed soils and if it can't be done by Nov 15th with vegetation, then you will need to apply more expensive and seasonally appropriate techniques.  You are responsible for keeping soil on your property and out of water resources (i.e. storm drains, wetlands, and the coast), even through the winter.

For further information on how to control erosion at your site please refer to Section Four of the RI Soil Erosion and Sediment Control Handbook ("the Handbook") entitled "Erosion Control Measures". This section of the Handbook contains many choices for soil stabilization. A link to the Handbook is provided here: http://www.dem.ri.gov/soilerosion2014final.pdf

Keys to Success Minimum Standard 10 of the RI Stormwater Design and Installation Standards Manual (RISDISM) and Part II.B of the 2013 RIPDES Construction General Permit:

1.      Stabilization of disturbed areas must, at a minimum, be initiated immediately whenever any clearing, grading, excavating or other earth disturbance activities have permanently ceased on any portion of the site, or temporarily ceased on any portion of the site and will not resume for a period exceeding fourteen (14) calendar days.

2.      Stabilization must be completed using vegetative stabilization measures or using alternative measures whenever vegetative measures are deemed impracticable or during periods of drought.

3.      All disturbed soils exposed prior to October 15th shall be seeded by that date.


4.      Any such areas which do not have adequate vegetative stabilization by November 15th must be stabilized through the use of non-vegetative erosion control measures.


5.      If work continues within any stabilized areas during the period from October 15th through April 15th care must be taken to ensure that only the area required for that day's work is exposed, and all erodible soil must be restabilized within five (5) working days.





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