Agenda Item Wording:
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Approve a Change Order for a Blower Rental - Approve change order no. 3 with Aerzen Rental Solutions in the amount of $153,744.65 for five additional 28-day rental periods of an Aerzen blower and authorize the budget transfer of $153,744.65 from within the Wastewater Fund.
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Agenda Date: 06/15/2026
Prepared by:
Ben Litwack, Public Works Manager, ben.litwack@visalia.gov, 559-713-4671
Nick Bartsch, Public Works Director, nick.bartsch@visalia.gov, 559-713-4052
Department Recommendation: Staff recommends that Council approve Change Order No. 3 to Purchase Order P04375 with Aerzen Rental Solutions in the amount of $153,744.65 for five additional 28-day rental periods and authorize the related budget transfer within the Wastewater Fund.
Summary:
Staff is requesting approval of Change Order No. 3 to continue renting an Aerzen blower used to maintain adequate aeration capacity at the Visalia Water Reclamation Facility while permanent blower repairs are completed. The Change Order Committee approved the request on June 3, 2026, and the item is now being brought to City Council for approval at the June 15, 2026 meeting. The change order covers five 28-day rental periods, which will provide rental coverage through the end of July 2026, and Aerzen Rental Solutions will prorate the final invoice or issue a refund if the rental unit is returned earlier than anticipated.
Background Discussion:
Project EQ0280 authorized the rental of an Aerzen blower from Aerzen Rental Solutions (A separate entity from Aerzen USA) to maintain adequate aeration capacity at the Visalia Water Reclamation Facility (WRF) while multiple permanent blowers were out of service due to variable frequency drive (VFD) failures. The rental unit has been critical to sustaining dissolved oxygen levels necessary to meet the WRF's nitrogen and biochemical oxygen demand (BOD) permit requirements.
Following Change Order Nos. 1 and 2, staff anticipated that the repaired i...
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