Agenda Item Wording:
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Approve a contract amendment with Mike Clark Trucking - Approve an amendment to the contract with Mike Clark Trucking to increase the annual not-to-exceed amount from $226,800 to $331,800 to haul biosolids from the Visalia Water Reclamation Facility and appropriate an additional $273,000 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 approve an amendment to the contract with Mike Clark Trucking to increase the annual not-to-exceed amount from $226,800 to $331,800 to haul biosolids from the Visalia Water Reclamation Facility and appropriate an additional $273,000 from the Wastewater Fund (431) to cover the additional transport and disposal costs (disposal is covered in a separate contract).
Summary:
This action amends contract C25072 with Mike Clark Trucking to increase the not-to-exceed amount by $105,000, bringing the total to $331,800, and appropriates an additional $273,000 from the Wastewater Fund to complete disposal of the 2024 biosolids stockpile. Costs increased due to delayed hauling, longer haul distances to Lost Hills, higher moisture content from early rain events, increased loading from significant industrial users, and reduced digestion efficiency when one digester was offline for the first four months of 2024. As of this report, over 10,000 tons have been disposed of, with approximately 3,000 tons remaining, and hauling costs alone are about $30.50 per ton. Increased disposal costs are largely offset by penalties charged to industrial users, and future reductions are expected from improved pretreatment, new industrial agreements, and a 30% increase in drying bed capacity under the solids handling improvement project.
Background Discussion:
Contract No. C25072 provides hauling services through Mike Clark Trucking ...
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