Digester Heat Exchanger Replacement

The City of Toledo’s Division of Purchases and Supplies is seeking qualified vendors to replace two existing digester heat exchangers at the Bay View Water Reclamation Plant. The scope includes removal and disposal of the two legacy units, procurement and installation of two new Alfa Laval horizontal spiral heat exchangers, all necessary pipe‑fitting, welding, electrical and control integration, and delivery of complete operation‑and‑maintenance documentation. The contract is a one‑year, fixed‑price agreement with prevailing‑wage, performance‑bond, and PLA requirements. • Supply and install two 1H‑SW‑1W Alfa Laval heat exchangers (≈160 sf surface area, 100 PSIG design). • Remove, dispose, and recycle the existing Graham exchangers, including site preparation and base extensions. • Provide full testing, commissioning, warranty service (minimum 1 year) and O&M manuals (hard‑copy and electronic). • Comply with prevailing‑wage rules, a 5 % bid guaranty, performance bond (≥ contract value), and a Project Labor Agreement for contracts > $100 k.