Agenda Item Wording:
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Award the Sole Source Purchase of a Replacement Membrane Bioreactor Train - Authorize the City Manager to approve the sole source purchase of replacement membrane and cassette upgrades at the Visalia Water Reclamation Facility to Veolia Water Technologies & Solutions in the amount of $981,240 and appropriate $245,000 from the Wastewater Fund.
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Prepared by:
Ben Litwack, Public Works Manager, (559) 713-4671, ben.litwack@visalia.gov
Nick Bartsch, Public Works Director, (559) 713-4052, nick.bartsch@visalia.gov
Department Recommendation: Staff recommends that Council authorize the City Manager to approve a sole source purchase order in the amount of $981,240 to Veolia Water Technologies & Solutions for the replacement of one membrane train and upgrade of cassette frames at the Visalia Water Reclamation Facility (WRF), and appropriate $245,000 from the Wastewater Fund.
Summary:
This item seeks approval to issue a sole source purchase order to Veolia for the replacement and upgrade of membrane modules and cassette frames for one train within the Visalia Water Reclamation Facility's membrane bioreactor (MBR) system. The new ZW500EV-RX modules will replace the existing ZW500D membranes, which have reached the end of their useful life. Veolia is the original equipment manufacturer (OEM) of the City's installed MBR system and the only qualified supplier of compatible replacement membranes and components.
Background Discussion:
The Visalia Water Reclamation Facility utilizes a membrane bioreactor system manufactured and supplied by Veolia (formerly GE Water and ZENON Environmental Corporation). The existing membranes, model ZW500D, were installed when the facility was commissioned in 2017 and have exceeded their typical seven- to eight-year service life.
Veolia has since discontinued the ZW500D model and replaced it with the more advanced ZW500EV-RX series. The proposed scope includes the supply of 308 new membrane modules factory-in...
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