This is a service / maintenance or supply contract in Lead, South Dakota. Contact the soliciting agency for additional information.

Questions must be sent in writing by Monday, September 8, 2025 by email to Eva M. Omdahl at eomdahl@sanfordlab.org. Answers will be emailed on Wednesday, September 10, 2025 to all prospective proposers and posted to the sanfordlab.org website. We are requesting proposals for multiple fabricated components based on the attached designs to support the ongoing maintenance of the Yates Shaft. This solicitation aims to identify a supplier capable of providing set quantities of fabricated components on a weekly, monthly or quarterly basis. The South Dakota Science and Technology Authority (SDSTA) is requesting proposals for fabrication of components to help support maintenance at the Yates Shaft at the Sanford Underground Research Facility (SURF). Documents included in this Request for Bid include: A. This Request for Bid B. Purchase Agreement Draft C. Attachments o Bid Sheet o Drawing 12482 - Guide Clip o Drawing 12483 - 18" Wall Plate Stiffener o Drawing 12484 - J-Hook Washer Plate o Drawing 12485 - 46" J-Hook o Drawing 12487 - 48" Raggle Pin The detailed specifications and design of the components are outlined and attached below: 1. Guide Clip: Drawing #12482 a. Length: 12 Inches b. Angle: 3.5 Inches x 3.5 Inches c. Thickness: 3/8 Inch d. Material: A36 2. 18" Wall Plate Stiffener: Drawing #12483 a. C8 x 11.5 Channel Iron b. 8 Inch x 18 Inch c. 3 Holes: i. Ends: 1/2 Inch Hole - 4 Inch x 3 Inch on center x 2 ii. Center: 1.63" Hole - 4 Inch x 9 Inch on center 3. J-Hook Washer Plate: Drawing #12484 a. Metal: 3/8 Inch thick b. 6 Inch x 6 Inch c. Center Hole: 1.38" Hole -3 Inch x 3 Inch on center d. Material: A36 4. 46" J-Hook: Drawing #12485 a. Metal: 1 1/4 Inch CR b. Length: 46 Inches c. Gap: 1 1/2 Inch +0.25, - 0.00 Inch d. Throat: 6 Inches e. Thread Size: 1 1/4 -7 UNC - 2A 5. 48" Raggle Pin: Drawing #12487 a. Metal: 1.38 Inch b. Length: 48 Inches +/- 1.00 Inch c. Rod End: 2.00 Inches +0.50, - 0.00 In d. Hot or Cold Rolled First quarter quantities delivered by January 31, 2026. The complete order fulfilled by September 15, 2026. Purchase Agreement Awarded By (Target) September 24, 2025