Article 1 — Description
Provide and install soil retention blankets (SRB) as shown on the plans or as directed.
Article 2 — Materials
Provide only SRB in accordance with DMS -6370 , “Soil Retention Blankets,” and on the Approved Products List. Use material of the following product type as shown on the plans and provide a copy of the manufacturer’s label for the selected product. Provide an approved wildlife- friendly or spray -on SRB as shown on the plans.
2.1 Slope Protection Categories.
2.1.1 Slope Type .
2.1.1.1. Moderate. Slopes 3:1 or flatter. 2.1.1.2. Steep . Slopes steeper than 3:1.
2.1.2 Soil Type . Clay or sandy soils as shown on the plans.
2.1.3 Application Type . Unless otherwise shown on the plans, use rolled SRB or sprayed SRB .
2.1.4 Duration.
2.1.4.1. Rolled SRB . Short -term SRB lasting up to 12 mo. and long- term SRB lasting 12 mo. to 35 mo. 2.1.4.2. Sprayed SRB . Short -term SRB lasting up to 6 mo. and long- term SRB lasting 6 mo. or more .
2.2 Channel Protection Categorie s.
2.2.1 Duration. Temporary or p ermanent as shown on the plans.
2.2.2 Shear Stress Condition . 2, 4, 6, or 8 lb. per square foot as shown on the plans.
Article 3 — Construction
Provide a copy of the manufacturer ’s installation instructions to the Engineer before placement of the material. Place the SRB within 24 hr. after the seeding or sodding operation, or when directed. Install and anchor the SRB in conformance with the manufacturer ’s published literature. Before placement, mow the area to a maximum height of 4 in. or in conformance with the manufacturer’s instructions. Installation includes the repair of ruts, reseeding or resodding, and the removal of rocks, clods, and other foreign materials that may prevent contact of the blanket with the soil.
Article 4 — Measurement
This Item will be measured by the square yard of surface area covered. 142 5. PAYMENT The work performed and materials furnished in accordance with this Item and measured as provided under “Measurement” will be paid for at the unit price bid for “Soil Retention Bl anket ” of the product type shown on the plans. This price is full compensation for equipment, materials, labor, tools, mowing, and incidentals.