SECTION 606—ROLLED EROSION CONTROL PRODUCTS (RECP)
606.01 Description
This work shall consist of furnishing and placing Rolled Erosion Control Products (RECP) (Standard EC-2 or EC-3 protective coverings) on construction slopes, in drainage channels or concentrated flow areas to facilitate vegetation establishment according to these Specifications and in conformity to the dimensions, lines, and grades shown on the Plans or as established by the Engineer.
606.02 Materials
Materials shall conform to Section 244.02(l). Determination of the type of RECP will be as designated in the Contract and installation shall be at the locations shown on the Plans in accordance with the usage criteria shown in Section 244 and Section 603.
606.03 Procedures
a.Drainage Channel Installation
1.Preparing Areas: Drainage channels shall be shaped in accordance with the cross sections shown on the Plans and then rolled or tamped to compact soil in place before final shaping. During shaping operations, the Contractor shall prepare a seedbed approximately 3/4 inch in depth over the areas to be covered by the RECP . Stones, roots, and other objects that will pre- vent the protective covering from making consistently firm contact with the seedbed shall be removed before covering is installed.
2.Applying Seed: Seed, lime, fertilizer and Hydraulic Erosion Control Product (HECP), type 3 shall be applied at a rate of 1000 pounds per acre (23 pounds per 1000 square feet) in accordance with Section 603 prior to installation of RECP . Seeded areas adjacent to the channel or ditch that are disturbed during installation of covering shall be uniformly reshaped, reseeded, and mulched for seeding at the Contractor’ s expense.
3.Installing RECP: RECP shall be installed in accordance with the Standard Drawings and the manufacturer’ s instructions. A copy of the manufacturer’ s installation instructions shall be furnished to the Engineer prior to the start of installation.
4.Watering: After coverings are installed, seeded areas shall be watered sufficiently to saturate the seedbed. Water shall be applied in a spray, after which no additional watering will be required.
b.Slope Installation RECP on slopes shall be installed at the locations shown on the Plans in accordance with the manufacturer’ s instructions, Standard Drawings, and the Roadside Development Sheets in the Plans and the following:
1.Preparing Areas: Seed bed shall be prepared in accordance with Section 603. 606.01
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Source: Road and Bridge Specifications, 2020 Edition. Pages 808–808 of 1,065. View official source ↗