Mobile Area Water And Sewer System Mawss #IFB 26-051

MAWSS sludge macerator, control panel, and accessories for Myers Water Treatment Plant

MAWSS is seeking a sludge macerator and related equipment for its Myers Water Treatment Plant. - Government buyer: Mobile Area Water and Sewer System (MAWSS), Board of Water and Sewer Commissioners of the City of Mobile, Purchasing Department; Buyer II Joyce Sawyer. - Procurement: One in-line sludge grinder/macerator (equipment tag GND-1003), one control panel, and related accessories for Myers Water Treatment Plant in Mobile, Alabama. - Named OEMs: Boerger LLC, JWC/Sulzer, Vogelsang, and Netzsch are acceptable manufacturers, or an approved equal. - Grinder requirements: 450 GPM capacity at 2%–4% solids; pressure drop below 2.0 PSI; 8-inch inlet and outlet; 2.0–7.5 HP motor; 480V, three-phase power; 80 RPM shaft speed; and 0–3 PSIG operating pressure. The unit must have a double-shaft, counter-rotating design with intermeshing reversible cutters and a planetary speed reducer, and support vertical or horizontal in-line installation and continuous wet or dry operation. - Control panel: Solid-state controls, run/off/auto selection with lockout, reversing starters, jam detection and automatic reversing, operating and alarm indicators, alarm bell and light, circuit and transient protection, remote indication contacts, and an area-rated NEMA 3 enclosure with SCCR labeling. - Equipment and quantities: One grinder, one control panel, two sets each of cutting blades, seals, and bearings, one 8-inch flanged ductile-iron spool piece with fusion-bonded epoxy lining (Protecto 401 or approved equal), and two flange coupling adapters for 8-inch ductile-iron pipe. - Services and submittals: Verify field dimensions and installation clearances; provide shop drawings and equipment data. Manufacturer field service must cover inspection, pre-startup checks, initial startup and operational checks, owner staff training, written installation/startup certification, and operation and maintenance manuals with warranty documentation. - Warranty and delivery: Minimum two-year equipment-and-parts warranty measured from startup. Bidder must state fabrication and delivery lead time; delivery follows approved submittals and receipt of order.

Description

Mobile Area Water and Sewer System is soliciting bids to purchase one macerator, control panel, and associated appurtenances for Myers WTP. The equipment specifications describe an in-line sludge grinder with a capacity of 450 GPM at 2% to 4% solids, together with controls, accessories, and specified spare parts. The equipment is to be delivered to Myers WTP in Mobile, Alabama; award will be based on total cost and lead time. Bids are due November 17, 2026, at 10:30 a.m. Central Time.

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