Draft Tube Bulkhead Seal Retaining Bars, Leaf Springs and Assemblies

Form / Attachment / Pricing Sheet

This document contains drawings related to the "Fort Randall Dam and Reservoir, Missouri River, Powerhouse, Draft Tube Bulkhead Seal Replacement" project. It provides detailed technical specifications and visual representations for the rubber seals and associated components required for the project.

• Sheet G-001: Project location maps and general information.
• Sheet G-002: Index of drawings and resource drawings, listing all related technical documents.
• Sheet S-101: Plan and elevation views of the rubber seal assembly, including dimensions and general notes on installation and material requirements.
• Sheet S-501: Detailed views of the rubber seals (top, side, and bottom assemblies), including specific dimensions, tolerances, and notes on Teflon coating and protrusion requirements.
• Sheet S-502: Details for spring shoe components, including materials, dimensions, and fastening methods.

These drawings are critical for bidders to understand the exact specifications, dimensions, materials, and installation requirements for the draft tube bulkhead seals. They will inform material procurement, fabrication, and installation efforts, directly impacting proposal pricing and technical compliance. Bidders must carefully review these drawings to ensure their proposed solution meets all specified technical requirements.

Solicitation / RFP / RFQ

This solicitation seeks proposals for the supply of side retaining bars, leaf springs, and ancillary materials for eight (8) draft tube bulkheads. The North American Industry Classification System (NAICS) code for this acquisition is 332312, with a size standard of 500 employees. The acquisition is set aside for Small Business.

• Supply of side retaining bars, leaf springs, and ancillary materials.

• Materials must be suitable for eight (8) draft tube bulkheads.

• Steel fabrication must meet AWS D1.1 standards.

• Paint products and application process must be for vinyl 5-E-Z paint system.

• Contract Type: Firm Fixed Price.

• Period of Performance: Delivery is to be completed within 270 calendar days from the date of lead time event.

• Estimated Value: Not explicitly stated, but the contract will be awarded on a "Best Value-Tradeoff" basis.

• Proposal Submission Deadline: April 28, 2026, at 02:00 PM local time.

• Evaluation Factors: Award will be based on "Best Value-Tradeoff," considering Technical, Past Performance, Delivery, and Price. Technical, past performance, and delivery are considered more important than price.

  • Technical: Ability to meet specification requirements, including steel fabrication to AWS D1.1 and vinyl 5-E-Z paint system.
  • Past Performance: Three (3) projects within the last 10 years demonstrating experience in steel fabrication (AWS D1.1) and three (3) projects demonstrating experience with the vinyl 5-E-Z paint system. Specific project details and narrative are required.
  • Delivery: A detailed schedule demonstrating the ability to meet the Government's delivery schedule.
  • Price: Offerors demonstrating a low total bid price will receive a favorable evaluation.

• Questions Deadline: Seven (7) calendar days prior to the due date.

• This acquisition is set aside for Small Business.

• The solicitation incorporates various FAR and DFARS clauses by reference.

• Offerors must provide specific information regarding their company, including CAGE CODE, UEID, and TIN.

• Insurance requirements include Workman's Compensation, General Liability, Automobile Liability, and potentially Aircraft or Vessel insurance depending on contract performance.

• The delivery destination is COE FT RANDALL PRJT OFC MNTN SECT, PICKSTOWN, SD 57367 UNITED STATES.

• FOB Details: Destination, with the contractor responsible for transportation costs.

Form / Attachment / Pricing Sheet

This document is a Price Schedule for the "FR Draft Tube Bulkhead Seal Replacement, Ft Randell, SD" opportunity. It outlines the specific items for which bidders must provide pricing.

• BASE ITEMS are listed with CLIN numbers (0001-0005).

• Each item includes a Description, Quantity, Unit Measure (EA - Each), Unit Price, and Amount.

• Items to be priced include:

  • Replacement Side Seal Retaining Bars (16 EA)
  • Replacement Leaf Springs (32 EA)
  • Top Seal Brass Countersunk Bolt Assemblies (175 EA)
  • Side & Bottom Seal Bolt Assemblies (100 EA)
  • Leaf Spring Countersunk Bolt Assemblies (128 EA)

• A "TOTAL BASE" field is provided for the sum of items 0001 through 0005.

• Prices must be entered for all items on the schedule.

• Submissions without prices on individual items will be rejected.

• If there is a discrepancy between job (lump sum) prices and the total amount, the lump sum prices will be considered the definitive price.

• Any modifications to a proposal that involve a single adjustment to the total amount should specify how that adjustment applies to each respective lump sum price. If not specified, the adjustment will be applied to Item Nos. 0001 through 0005.

This document is critical for bidders to understand the specific parts and quantities required for the opportunity and to accurately prepare their pricing proposals. Bidders must ensure all fields are completed correctly according to the provided instructions to avoid rejection.

Statement of Work (SOW)

This project aims to supply side retaining bars, leaf springs, and ancillary materials for eight (8) draft tube bulkheads at the Fort Randall Dam. The goal is to improve the sealing of the draft tube and eliminate the migration of the bulkhead seals.

• Supply of sixteen (16) side seal retaining bars.

• Supply of thirty-two (32) leaf springs.

• Supply of one hundred seventy-five (175) top seal brass countersunk bolt assemblies.

• Supply of one hundred (100) side and bottom seal brass bolt assemblies.

• Supply of one hundred twenty-eight (128) leaf spring brass countersunk bolt assemblies.

• Materials must conform to specified ASTM standards.

• Fabrication and painting must adhere to detailed specifications, including quality control plans, shop drawings, and specific coating systems.

• A warranty of one year for coating failure on side seal retainer bars is required.

• Delivery Period: Work must be completed 270 days after contract award.

• Specific Delivery Dates:

  • On or before September 1, 2026: Twelve side seal retaining bars, 32 leaf springs, and all bolt assemblies.
  • Within the period of performance: Remaining four (4) side seal retaining bars.

• Place of Delivery: United States Army Corps of Engineers, Fort Randall Dam, Pickstown, SD 57367.

• Contractor must determine bolt hole spacing and bar lengths for side seal retaining bars.

• Coordination with the Government is required for bulkhead access and measurements.

• Specific measurement windows are provided for two bulkheads (October 12-November 12, 2026).

• All materials require Material Test Reports certified by an approved laboratory.

• Detailed specifications for fabrication, welding, painting (including specific formulas and application methods), and quality assurance are provided.

• A Quality Control Manual (QCM) must be submitted for approval.

• A pre-painting conference is required.

• Specific submittals are required prior to commencement of work, including Quality Control Plan, Shop Drawings, and Material Test Reports.

• The Contractor must comply with all applicable Local, State, and Federal Regulations, including numerous referenced standards (AISC, ANSI, AWS, ASTM, CFR, etc.).

• Hours of Operation: Monday-Thursday, 0700-1600, with specific limitations on crane support availability on Fridays.

• Communication: A kick-off meeting will be scheduled, and periodic meetings will ensure milestones are met.

Form / Attachment / Pricing Sheet

This document contains detailed engineering drawings and specifications for the structural steel components of draft tube gate guide frames and dogging devices for the Fort Randall Reservoir Powerhouse. It also includes drawings for draft tube gate seal assemblies and details related to the draft tube gates themselves, including lifting beam details and crane information.

• Structural Steel Drawings: Detailed plans, elevations, and sections of draft tube gate guide frames and dogging devices, including materials, dimensions, and assembly.
• Seal Assembly Drawings: Specifications for top, side, and bottom seal assemblies for draft tube gates, detailing materials, dimensions, and installation.
• Draft Tube Gate Details: Drawings illustrating the construction and components of the draft tube gates, including lifting mechanisms, crane details, and associated hardware.
• Anchor Bolt Schedules: Specific details and quantities for various anchor bolt types used in the construction.
• Notes and Revisions: Technical notes, specifications, and revision history for the drawings.

This document provides critical technical details for any bidder involved in the fabrication, installation, or maintenance of draft tube gates, guide frames, dogging devices, and associated sealing mechanisms at the Fort Randall Reservoir Powerhouse. It outlines the precise specifications and construction requirements for these components, which would be essential for preparing bids, manufacturing, or performing related services.