Attachment 2 - Screen Mesh - Specifications.pdf

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Attached to
STS Fish Mesh (Bonneville Dam) Federal contract opportunity
Solicitation number
W9127N26QA044
Issued by
Department of the Army Corps of Engineers Engineering District Portland

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This is a technical specifications document for fish screens. The document establishes detailed requirements for manufacturing screens with precise dimensional tolerances: a length of 132 inches (±0.125 inches) and a width of 90.5 inches (+0.0/-0.125 inches), with perpendicularity or squareness within 0.125 inches as noted on drawings. The preferred material is Poly Butylene Terephthalate (PBT), specification 7-3360/59 in 0.040 X 6 gauge, with Polyester LS3000 (0.039 X 6.35) as an acceptable alternative.

The specifications require polyurethane reinforcement completely bonded throughout the screen edges: 2.0 inches wide (±0.125 inches) on side edges and 3.0 inches wide (±0.125 inches) on length edges. Regarding color, clear to opaque or white finishes are preferred per fish biologist recommendations, while blue is acceptable but not preferred. No pricing terms, response dates, award dates, federal agencies, or contract vehicles are identified in this document.

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Other files for this federal contract opportunity

Other files attached to STS Fish Mesh (Bonneville Dam), newest first.
File Type Posted
Solicitation - W9127N26QA044.pdf PDF
Mesh Panels - Brand Name Determination - redacted.pdf PDF
Attachment 1 - STS Mesh Panels (PD).pdf PDF
Fish Screen Mesh - Drawing.pdf PDF

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Fish Screen Specifications

Length: 132” +/- 0.125”

Width: 90.5” +0.0/- 0.125”

Perpendicularity or Squareness: Within 0.125” as denoted on drawing.

Material: Poly Butylene Terephthalate (PBT), 7-3360/59, 0.040 X 6 – Preferred Polyester, LS3000, 0.039 X 6.35 - Acceptable

Side Edges: Polyurethane reinforced completely bonded throughout 2.0” wide +/- 0.125

Length Edges: Polyurethane reinforced completely bonded throughout 3.0” wide +/- 0.125

Color: Clear to Opaque/White – Preferred as per fish biologists

Blue is Acceptable but not preferred

File details come from the government source that posted it. Updated .