may be available through a tertiary treatment plant
on or off site. It is preferred that this type of
water be used for irrigation whenever possible.
Check project specific conditions.
Unless otherwise directed, water shall be the
responsibility of the Contractor. Water source
shall be potable or non-potable. If non-potable
edit specification accordingly. Source of water
shall be approved by the Contracting Officer and
shall be of suitable quality for irrigation,
containing no elements toxic to plant life.
Coordinate information presented here with Section
01500, "Temporary Facilities and Controls."
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Source of water shall be approved by Contracting Officer and of suitable
quality for irrigation, containing no elements toxic to plant life.
[2.7
EROSION CONTROL MATERIALS
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NOTE: Provide all erosion and sediment control
measures in Section 01561N, "Erosion and Sediment
Control" instead of here if used for project. The
Contractor may propose other types of erosion
control material, based on site conditions.
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Erosion control material shall conform to the following:
[2.7.1
Erosion Control Blanket
[100 percent agricultural straw][70 percent agricultural staw/30 percent
coconut fiber matrix] stitched with a degradable nettings, designed to
degrade within [12 months][18 months].
][2.7.2
Erosion Control Fabric
Fabric shall be knitted construction of polypropylene yarn with uniform
mesh openings 19 to 25 mm 3/4 to 1 inch square with strips of biodegradable
paper. Filler paper strips shall have a minimum life of 6 months.
][2.7.3
Erosion Control Net
Net shall be heavy, twisted jute mesh, weighing approximately 605 grams per
meter 1.22 pounds per linear yard and 1200 mm 4 feet wide with mesh
openings of approximately 25 mm 1 inch square.
][2.7.4
Hydrophilic Colloids
Hydrophilic colloids shall be physiologically harmless to plant and animal
life without phytotoxic agents. Colloids shall be naturally occurring,
silicate powder based, and shall form a water insoluble membrane after
curing. Colloids shall resist mold growth.
SECTION 02921
Page 12
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