Title
Resolution Approving Change Order in the Amount of $2,984,834.06 to Contract 2016-002A with Adams Robinson Enterprises, Inc. for the Construction of the T.Z. Osborne Water Reclamation Facility Package 4 Project
Body
Council Priority: Maintain Infrastructure and Provide Sustainable Growth Opportunities
Department: Water Resources
Council District: 2
Public Hearing: N/A
Advertising Date/By: N/A
Contact 1 and Phone: Steven D. Drew, 373-7893
Contact 2 and Phone: Kristine Williams, 373-2556
PURPOSE:
City Council approval is requested for a change order to Contract 2016-002A for the T.Z. Osborne Water Reclamation Facility Package 4 Project. Additional work is required for capacity upgrades at the plant. City Council approval is required for this change order with Adam Robinson for $2,984,834.06.
BACKGROUND:
The T.Z. Osborne Wastewater Reclamation Facility (TZO) is currently undergoing capacity upgrades, which involves ending treatment operations at the North Buffalo Water Reclamation Facility to create efficiency in meeting future regulations. Compliance with the Wastewater Discharge Rule of the Jordan Lake Rules is required by the State by January 2021. This regulation places further discharge limits on nutrients including nitrogen and will require additional process improvements. Package 4 upgrades include the installation of six new aeration basins, modifications to the existing twelve aeration basins to convert to the Biological Nutrient Removal (BNR) process and the installation of a new parallel air header pipe among other items.
The City authorized professional services for design and construction contract 2016-002A with Adams Robinson Enterprises, Inc. on December 15, 2017 to support the T.Z. Osborne Water Reclamation Facility Package 4 Project. This work consists of the construction of six (6) new BNR stations, conversion of aeration basins 1-12 to BNR basins, which includes new diffusers, air piping, and New Nitrified Recycle (NRCY) pump...
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