Wisconsin Vendornet Platform #MMSD, 2026, Segmented Activated Graphite (SAG) Media

MMSD purchase of Unison Solutions SAG siloxane-removal media or equivalents

Madison Metropolitan Sewerage District is seeking a one-time purchase of siloxane-removal media for its treatment operations. - Government buyer: Madison Metropolitan Sewerage District (MMSD), a local district in Madison, Dane County, Wisconsin. No sub-agency or office is identified. - OEM and product references: Unison Solutions is named as the basis for the UNI-CL2E, UNI-CL2V, and UNI-CL2X specifications; equivalent products are acceptable. No other vendors are named. - Requested products and quantities: 3 supersacks (1,100 lb each) of each type—UNI-CL2E, UNI-CL2V, and UNI-CL2X—for 9 supersacks total (9,900 lb). - Shared media requirements: Highly active, pelletized, acid-washed granular activated carbon; apparent density of 0.48–0.52 g/cc; bulk density of 30.0–32.5 lb/ft³; minimum hardness of 98.5; maximum ash content of 8%; and maximum pressure drop of 4 at 100 ft/min superficial velocity. - Type-specific performance: Minimum CCl4 activity is 80 for UNI-CL2E, 70 for UNI-CL2V, and 60 for UNI-CL2X. - Notable requirements: Equivalent media must meet or exceed the stated specifications. Bidders are to identify any deviations, include estimated shipping in their fixed lump-sum price, and state guaranteed delivery time after order placement.

Description

Madison Metropolitan Sewerage District requests bids to purchase Segmented Activated Graphite (SAG) siloxane removal media. The requested media must meet or exceed specified performance and material requirements for three types: UNI-CL2E, UNI-CL2V, and UNI-CL2X, or equivalents; the bid form lists three 1,100-pound supersacks of each type. Bidders must submit a lump-sum price and guaranteed delivery time using Bid Form A, by email no later than November 24, 2026, at 11:00 a.m. CT. Award is to one responsive and responsible bidder meeting specifications, based on the lowest lump-sum bid.

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