5_Fence_Material_specs_mvo.doc
DOC document 51 KB Posted
- Attached to
- RED WASH WETLANDS FENCE
- Solicitation number
- 140L6221R0046
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| 140L6221R0046_AMD_0001_Question_and_Answer_0001.docx | DOCX document | |
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Text version
Material Specifications:
Specifications
A. Barbed Wire: A strand of two 12‑1/2‑gauge galvanized wires twisted together with 2‑point barbs of 14‑gauge wire spaced 4-inches apart. Wire and barbs shall be zinc‑coated steel, with a zinc coating of at least 0.3 oz/ft2 of coated surface area. The minimum breaking strength of each wire shall be 950 lb‑force. The barbed wire shall conform to ASTM A 121.
B. Barbless Wire: A strand of two 12‑1/2‑gauge galvanized wires twisted together. Wire shall be zinc‑coated steel wire of at least 0.3 oz/ft2 of coated surface area. The minimum breaking strength of each wire shall be 950 lb‑force. The barbless wire shall conform to ASTM.
C. Rails: Sound single-stem members. Rails shall be straight 16ft. bark on, 4” nominal diameter.
D.
Wood Posts and Braces:
1.
Acceptable Wood Posts: Sound single-stem members. A slight bend in one plane is acceptable. Posts may be full stem members, sawed members of square cross section. Nominal diameter for treated posts shall be 5-inches or 6-inches. The following species will be acceptable: Ponderosa pine, Lodgepole pine, fir, and tamarack. All treated posts shall be free of bark with ends cut square.
2.
Basis for Rejection: Posts are not acceptable when sweep causes a straight line joining the center of the top to the center of the butt to fall outside the body of the post, or at point 2-inches or more from the center of the post. Posts that are charred, twisted, rotted, or excessively bent are not acceptable. Seasoning checks, single or opposite each other with a sum total equal to or more than 1/2 the thickness of the post are not acceptable.
D. Wood Treatment Practices: General: The following treatments may be used. Treatment method shall be in accordance with AWPA C 1.
1. Chromated Copper Arsenic Method: Chromated copper arsenate, waterborne preservative (conforming to Type B in AWPA 5) shall be applied. Minimum net retention of solid preservative shall be 0.4 pounds per cubic foot (gauge only) using the full-cell pressure treatment process.
2. Assay Report: The Supplier shall furnish an assay report, for all treated wood products, from an independent testing laboratory to the Contracting Officer. A minimum of five inch boring shall be taken from each bundle of 50 posts as samples for the assay report.
A written submittal for all materials shall be submitted for approval to Megan Vasquez Ogle, mvasquezogle@blm.gov, BLM, Rawlins Field Office prior to shipping the products.
Contact Megan Vasquez Ogle with any questions 307-320-5713.
End of Section
Red Wash Wetland Fence 2021
FENCING MATERIALS
File details come from the government source that posted it. Updated .