East Bay Municipal Utility District Ebmud #RFP_-_Dewatering_Centrifuge_Repair_Service_-_FINAL_-_2026-07-09

EBMUD Solicits Multi-Year Dewatering Centrifuge Overhaul and Repair Services

The East Bay Municipal Utility District (EBMUD) is seeking a contractor for a multi-year agreement to overhaul, repair, upgrade, and troubleshoot dewatering centrifuges at its Main Wastewater Treatment Plant in Oakland, CA. - Government Buyer: - East Bay Municipal Utility District (EBMUD), Wastewater Maintenance, Plant Mechanical Maintenance Supervisor - OEMs and Vendors: - Humboldt (manufacturer of S-4 dewatering centrifuges) - Flottweg (manufacturer of Z-73-4/454 centrifuges) - Viscotherm AG (back drive components) - SKF (bearings and seals) - Products/Services Requested: - Major annual overhauls and as-needed shop repairs for: - Three Humboldt S-4 low speed dewatering centrifuges (180 GPM) - Two Flottweg Z-73-4/454 high speed dewatering centrifuges (350 GPM) - Tasks include transport, disassembly, cleaning, inspection, repair, replacement of bearings, bushings, seals, tiles, protective coatings, balancing, and reassembly - Replacement parts for both centrifuge types, including main bearings, conveyor trunnion bushes, thrust bearings, conveyor tiles, bush seals, rotor bearings, lamellar rings, scroll tiles, scroll rings, o-rings, and protective coatings - Detailed post-inspection reports with photos or video - Unique/Notable Requirements: - Vendors must have at least 10 years of experience in dewatering centrifuge repair - All necessary permits and licenses required - Replacement parts may be provided by EBMUD or procured by the contractor - Insurance, bonding, and IT security requirements apply - Electronic proposal submission required - Maximum of 35 calendar days allowed per overhaul, including transit time

Description

The East Bay Municipal Utility District (EBMUD) is soliciting proposals for overhaul, repair, upgrade, and troubleshooting services for dewatering centrifuges at the Main Wastewater Treatment Plant (MWWTP). The contract is intended to be for three years with two one-year renewal options. The work includes major overhauls of low speed Humboldt S-4 centrifuges and high speed Flottweg Z-73-4/454 centrifuges, with detailed repair and maintenance tasks specified. Proposers must have at least ten years of experience in dewatering centrifuge repair and possess all necessary permits and licenses. The response due date is August 13, 2026, with a voluntary site walk scheduled for July 29, 2026.

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