STOPLOG LIFTING BEAM MODIFICATION PROJECT - Colora

The Department of the Interior Bureau of Indian Affairs Western Region seeks proposals for modifications to a steel stoplog lifting beam at Headgate Rock Dam in Parker, Arizona, with proposals due July 13, 2026. The procurement is an Indian Small Business Economic Enterprise (ISBEE) set-aside under the Buy Indian Act, restricting competition to Indian Economic Enterprises meeting the definition of both an IEE and a small business concern. Amendment 1, effective June 19, extended the deadline from June 19 to July 13 and modified the set-aside from ISBEE to Indian Small Business; offerors must acknowledge receipt of the amendment.

Place of performance is Parker, Arizona. Work includes lifting beam end guide modifications, transport of the fabricated beam to and from the shop, and facilitation of final testing at the dam site. The contract is fixed-price with performance required within 365 calendar days following Notice to Proceed. Offerors must price two line items: Item 101 (Lifting Beam End Guide Modifications and Transport) and Item 102 (Facilitate Final Test), plus TERO fees at 3.5% and bonding costs. Bonding requirements include a bid bond at 20% of contract price, a performance bond at 100%, and a payment bond at 100%.

Technical specifications require fabrication per AISC standards using structural steel (ASTM A992, A36, A500), full-penetration welding per AWS D1.1, and comprehensive nondestructive testing of all welds. The fabrication schedule is compressed to 21 days from pickup, three days to schedule inspection, and five days post-inspection for delivery. The contractor must submit shop drawings, fabrication schedules, weld procedure specifications, and quality control documentation within 30 days of Notice to Proceed, with shop drawings required 45 days before fabrication begins.

Proposals are due 5:00 PM local time and must include two volumes: Volume I (price proposal with SF 1442, pricing schedule, representations/certifications, and bid guarantee) and Volume II (technical proposal limited to 20 pages addressing technical approach, key personnel qualifications, project schedule, and quality control plan). Award will be made using a Lowest Price Technically Acceptable approach to the lowest-priced responsive offer meeting technical acceptability standards. Davis-Bacon prevailing wage rates apply to this project in La Paz County, Arizona. The NAICS code is 332312, Fabricated Structural Metal Manufacturing; PSC is K095, Modification Of Equipment—Metal Bars, Sheets, And Shapes.