Attachment 2 FP-14 Dust Palliative Mixtures.pdf
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- Solicitation number
- 1284LM25Q0011
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Department of Agriculture Forest Service
About this file
This document is a technical specification for miscellaneous materials, specifically Section 725, which details requirements for water, calcium chloride, magnesium chloride, lignosulfonate, and lime in construction applications. The section provides detailed specifications for various material types, including:
Water requirements are categorized into three uses: mixing/curing cement concrete (conforming to AASHTO M 157), planting/vegetation care (free of substances harmful to plant life), and earthwork/dust control (free of detrimental substances). The document also specifies standards for calcium chloride (liquid and flake), magnesium chloride liquid, and lignosulfonate liquid, including precise measurements such as minimum percentage composition, specific gravity, and pH ranges. Additionally, the section outlines lime specifications for masonry, soil stabilization, and asphalt mixtures, referencing standards from ASTM and AASHTO for each application type.
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| Attachment 3 FP-14 Dust Palliative Spec.pdf | ||
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Section 725
Section 725. — MISCELLANEOUS MATERIAL
725.01 Water. Conform to the following:
(a) Water for mixing or curing cement concrete, mortar, or grout. Conform to AASHTO M 157.
Potable water of known quality may be used without testing according to AASHTO T 26. Potable water is safe for human consumption as defined by the public health authority having jurisdiction.
(b) Water for planting or care of vegetation. Furnish water that is free of substances injurious to plant life (such as oils, acids, alkalies, or salts).
(c) Water for earthwork, pavement courses, dust control, and incidental construction. Furnish water free of substances detrimental to the work.
725.02 Calcium Chloride, Magnesium Chloride, and Lignosulfonate.
(a) Calcium chloride liquid. Furnish a water solution conforming to the following:
(1) Calcium chloride liquid AASHTO M 144, Type L
(2) Calcium chloride by mass 35 percent min.
(b) Calcium chloride flake. Conform to AASHTO M 144, Type S, Grades 1, 2, or 3, Class A.
(c) Magnesium chloride liquid. Furnish a water solution conforming to the following:
(1) Magnesium chloride by mass 28 percent min.
(2) Specific gravity, ASTM D1298 1.29 to 1.33
(d) Lignosulfonate liquid. Furnish a water solution with a base cation of ammonia, calcium, or sodium. Conform to the following:
(1) Dry solids (1) 50 percent
(2) Specific gravity, ASTM D1475 1.20 min.
(3) pH, ASTM E70 3.0 to 8.0
Note (1) Use Pulp and Paper Technical Association of Canada standard test Method H.1, Determination of Solids Content of Pulp and Paper Mill Effluents.
725.03 Lime.
(a) Lime for masonry. Conform to ASTM C207, Type NA.
(b) Lime for soil stabilization. Conform to AASHTO M 216.
(c) Lime for asphalt mixtures. Conform to AASHTO M 303.
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