SAM #140R3026R0016

Procurement of Hydraulic Turbine Runners and Related Services for Hoover Dam Units A2 and N7

The Bureau of Reclamation, Lower Colorado Dams Office at Hoover Dam, is seeking a sole-source supplier for two high-capacity hydraulic turbine runners for Units A2 and N7. - Government Buyer: - Department of the Interior, Bureau of Reclamation, Lower Colorado Dams Office (Hoover Dam) - Contracting managed by Virginia Toledo, Lower Colorado Region - OEM Highlight: - Andritz Hydro is identified as the sole-source OEM due to proprietary designs and prior successful installations at Hoover Dam - Products Requested: - Two 196,000 HP hydraulic turbine runners (counterclockwise for A2, clockwise for N7) - Stainless-steel, wide-head range design, each weighing ~73,000 pounds - Hydraulically and dimensionally identical to existing runners for Units A1, N5, and N6 - Includes runner cones, coupling bolts, stationary seal rings, and roughening air system - Four stationary seal rings (two upper, two lower) - Coupling bolts, nuts, and washers (ASTM standards, specified oversize and fit) - Air admission piping and roughening air system (custom design and installation) - Drawings, bonds, and mobilization/demobilization - Services Requested: - In-place machining of stationary seal rings (4 units) - Contractor engineer to witness hydroelectric efficiency performance testing (2 units) - Mobilization and demobilization - Unique Requirements: - Runners must operate efficiently at low lake elevations to mitigate cavitation and maintain reliability during drought conditions - Must match proprietary designs already installed at Hoover Dam - Performance testing to be witnessed by contractor engineer - Compliance with safety and health standards - Period of Performance: - Two-year contract duration - Key milestones: delivery of components, in-place machining, installation, and performance testing - 3-year warranty from date of service - NAICS Code: 333611 (Turbine and turbine generator set units manufacturing)

Description

Hydraulic Turbine Runner for Units A2 and N7 for Hoover Dam

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