Description
The East Bay Municipal Utility District (EBMUD) is seeking a qualified contractor to provide overhaul, repair, upgrade, and troubleshooting services for its dewatering centrifuges at the Main Wastewater Treatment Plant. The work covers both low‑speed Humboldt S‑4 units (three machines) and high‑speed Flottweg Z‑73‑4/454 units (two machines). Major overhauls must be completed within a 35‑day turnaround, with a maximum frequency of three per year for low‑speed units and two per year for high‑speed units. The contractor will handle disassembly, cleaning, bearing and seal replacement, coating, balancing, vibration testing, and final re‑assembly, and must submit detailed post‑inspection reports for District authorization. The contract is a three‑year base term with two optional one‑year renewals, includes a six‑month warranty, and requires performance and payment bonds covering 100 % of the contract amount.
• Overhaul/repair of 3 low‑speed (Humboldt S‑4) and 2 high‑speed (Flottweg Z‑73‑4/454) centrifuges, with specified parts, labor, and testing requirements.
• Major overhaul turnaround ≤ 35 calendar days; minor shop repairs ≤ 21 days; warranty period 6 months after acceptance.
• 3‑year base contract (potential up to 5 years) with firm pricing for the first 36 months, 30‑day payment terms, and mandatory performance/payment bonds.