Steel and Aluminum Bronze miter gate parts for Pittsburgh District, USACE

Forms / Attachments / Pricing Sheets

This document contains detailed engineering drawings and specifications for various components (CLINs 001 through 012) related to an opportunity. These drawings provide the necessary technical details for bidders to understand the physical characteristics, materials, and manufacturing requirements of each part.

• Miter Contact Blocks (CLIN 001, 002): Drawings specify dimensions, material (Stainless Steel ASTM A240 Type 304), and tolerances.
• Pintle (CLIN 003): Drawing details dimensions, material (Forged Steel ASTM A-668, Class D), estimated weight, and specific finishing requirements (spherical radius polish, corrosion-resistant steel surface).
• Anchor Bars (CLIN 004, 005): Drawings show dimensions, material (Forged Steel ASTM A668, Class D), and general notes on surface finish.
• Stud (CLIN 006): Drawing provides dimensions, material specifications (AWS A5.4 E309 Electrode), and threading requirements.
• Gudgeon Pin (CLIN 007): Drawing details dimensions, material (Forged Steel ASTM A668, Class K), and required finish.
• Bushing (CLIN 008): Drawing specifies dimensions, material, and press-fit requirements, including a note on ID tolerance after assembly.
• Wedge Pin (CLIN 009): Drawings show dimensions, material (Forged Alloy Steel ASTM A668, Class K), and NDT requirements.
• Gudgeon Link (CLIN 010): Drawing includes dimensions, material (Forged Steel ASTM A668, Class D), and notes on drilling, tapping, and welding.
• Link Pin (CLIN 011): Drawing provides dimensions, material (Forged Steel ASTM A668, Class K), and drilling/tapping specifications.
• Keeper Plate (CLIN 012): Drawing shows dimensions and material (A36 Structural Steel).
• Anchor Bar Assembly (Page 13): Illustrates the assembly of multiple CLINs (004, 005, 008, 010, 011, 012), indicating required quantities and noting that certain welding will be performed by others.

These drawings are critical for bidders to accurately estimate costs, plan manufacturing processes, and ensure compliance with all specified material, dimensional, and finishing requirements. Bidders must carefully review each drawing to understand the exact specifications for the components they may be required to supply or fabricate.

Solicitation / RFP / RFQ

This document outlines the specifications for the manufacture and supply of various miter gate parts. It details the contract line item numbers (CLINs), part names, required materials, and quantities for each item.

• CLINs and Parts: The solicitation lists 12 specific parts, including Miter Contact Blocks, Quoin Contact Blocks, Pintle Balls, Anchor Arms, Studs, Gudgeon Pins, Bushings, Wedge Pins, Gudgeon Links, Link Pins, and Keeper Plates.

• Material Specifications: Detailed material requirements are provided for each CLIN, specifying types of steel (Stainless Steel ASTM A240 Type 304, Steel Forging ASTM A668 Class D/K), Aluminum Bronze (ASTM B148, B271, B505 UNS C95400), and Structural Steel (ASTM A36).

• Machine Work: All workmanship must be of the highest grade, with specific tolerances for machine-finished surfaces (+/- 0.010-inch) and unfinished surfaces.

• Surface Finish: Requirements for finished surfaces align with ANSI B46.1 standards for surface roughness.

• Protection: Machined surfaces must be cleaned and protected from foreign matter and damage.

• Welding: Specific welding requirements are detailed for CLINs 003, 006, and 010, referencing various AWS codes and filler material specifications. Procedures must be submitted and approved prior to fabrication.

• Castings: Requirements for CLIN 008 (Aluminum Bronze Bushing) include dimensional accuracy and homogenous metal structure.

• Assembly: CLINs 004, 005, 008, 010, 011, and 012 require assembly per a provided drawing.

• Quantities: Specific quantities are listed for each of the 12 CLINs.

• Certification of Compliance: Certificates of compliance are required for all items, verifying material compliance with specified standards. Material Test Reports are also required.

• Nondestructive Testing (NDT): CLINs 003, 004, 005, 007, 009, 010, and 011 are subject to NDT, including ultrasonic and magnetic particle tests.

• Marking: Each part must be marked with a paint marker and/or tag showing the Mark Number and Stock Part Number.

Not specified in the provided document excerpt.

• Drawings: The specifications refer to accompanying drawings for detailed dimensions and specifications.
• Packaging & Shipping: Items must be protected during shipment, and damage incurred due to inadequate protection must be repaired. Delivery is to the Pittsburgh Engineering Warehouse and Repair Shops (PEWARS).
• Point of Contact: Timothy O'Loughlin is the technical point of contact for questions.