Specifications for Fish Screen Chain.pdf

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Attached to
Roller Chains for STS Fish Screens John Day Willow Creek Project
Solicitation number
W9127N23Q0090
Issued by

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This document provides specifications for roller chain required for a federal contract opportunity issued by the Department of the Army Corps of Engineers Engineering District Portland. The specifications require epoxy-coated roller chain links with low gloss black powder coating to be assembled with nitronic 60 stainless steel pins, 17-4PH bushings, and Delrin 500 rolls. Chain pairs are to be prestressed and wired in pairs at 42 feet 8 inches in length with a maximum variation between pairs of 0.030 inches and maximum per foot tolerance and backlash of 0.025 inches. Chains must be shipped dry and certificates of conformance are required. The related solicitation seeks roller chains for STS fish screens on the John Day Willow Creek Project and requires products to comply with Buy American provisions.

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Other files

File Type Posted
B.08 Q&A2 23Q0090 0002.pdf PDF
B.01 W9127N23Q0090 0002 Combined Synopsis Solicitation.pdf PDF
B.08 SF30 23Q0090-0002.pdf PDF
W9127N23Q0090 0001 Combined Synopsis Solicitation.pdf PDF
B.08 Q&A1 23Q0090 0001.pdf PDF
SF30 23Q0090-0001.pdf PDF
Drawing JDF-84-38-36.pdf PDF
Drawing JDF-84-38-35.pdf PDF
B.01 W9127N23Q0090 Combined Synopsis Solicitation.pdf PDF

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SPECIFICATIONS FOR ROLLER CHAIN:

STANDARD ACME C2162H RIVET ROLLER CHAIN IN ACORDANCE WITH ANSI B29.4 WITH THE FOLLOWING SUPPLEMENTS

REQUIREMENTS:

1. CHAIN LINKS SHALL BE EPOXY-COATED BEFORE ASSEMBLY WITH LOW GLOSS BLACK EXPOXY POWDER COATING AND

ELECTROSTATICALLY APPLIED AND CURED AS RECOMMENDED BY THE MANUFACTURER.

2. ALL PINS SHALL BE NITRONIC 60 STAINLESS STEEL (ASTM A276 TYPE UNS S2 1800 HRB 95 KSI MINIMUM ULTIMATE STRENGTH).

3. ALL BUSHINGS SHALL BE 17-4PH (ASTM A564 TYPE 630 RC 40-47).

4. ALL ROLLS TO BE DELRIN 500.

5. ALL COTTERS TO BE 302 STAINLESS STEEL.

6. CHAINS ARE TO BE PRESTRESSED MATCHED AND WIRED IN PAIRS (CHAIN LENGTH 42 FEEET 8 INCHS).

7. MAXIMUM VARIATION BETWEEN TWO MATCHED AND WIRED PAIRS TO BE .030 INCHES.

8. MAXIMUM PER FOOT TOLERANCE IS +.025 INCHES.

9. MAXIMUM BACKLASH PER FOOT IS .025 INCHES.

10. DO NOT LUBRICATE (SHIP DRY).

11. CERTIFICATE OF CONFORMANCE REQUIRED.

Products need to comply with 52.225-1 Buy American-Supplies and the provision 52.225-2, Buy American Certificate

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