1. SCOPE

This specification covers the quality of excelsior blankets and staples.

2. EXCELSIOR EROSION CONTROL BLANKETS

The blanket shall consist of a machine produced mat of curled wood excelsior and shall be furnished in rolls and meet the following minimum requirements:

a. Width - 48 inches, ± 1 inch.

b. Length - approximately 180 feet.

c. Weight - 0.8 lbs. per square yard, ± 10%.

d. Fiber length - 80% shall be 6 inches or longer.

e. Fiber dimension - 0.021 inch x 0.042 inch, ± 25%.

f. The top of each blanket shall be covered with 1 x 2 inch extruded plastic mesh.

g. Blankets shall be smolder resistant and shall meet the test of no-flame or smolder for more than a distance of 12 inches from a spot where a lighted cigarette is placed on the blanket's surface.

h. All material shall be new and unused and the length shall be marked on each roll.

3. STAPLES

"U" shaped wire staples of 0.12 inch in diameter (No. 11 wire gage) or greater, with a minimum leg length of 6 inches and minimum crown of 1 inch shall be used. In sandy soils the minimum leg length of staples shall be 9 inches.