Title
Discuss and consider action to approve a Professional Service Supplemental Agreement with Freese and Nichols, Inc. in the amount of $1,528,933 for professional engineering services associated with the Central Wastewater Treatment Plant Expansion Phase 2 Project.
Summary
This Professional Services Supplemental Agreement (PSSA) #7 is to add design phase services provided by Freese and Nichols, Inc. (FNI) the Engineer of Record for Phase 2 of the Central Wastewater Treatment Plant (CWWTP) expansion project. FNI as the design engineer has a critical role throughout the construction of the CWWTP Phase 1 improvements project and during the initial period of operation after construction is complete. The proposed design phase effort for the completion of Phase 2 of the CWWTP Expansion and effort under special services to evaluate reliability and the addition of a secondary power feed as well as other specialty services.
Under previous agreements, the City of Pflugerville retained Freese and Nichols, Inc. (FNI) for a Study Phase to evaluate the existing CWWTP and develop recommendations for improvements for expansion of the facility to an annual average flow of 10.0 MGD. The project has a phased implementation plan given capacity constraints of the existing plant and the inability to complete phase 2 work until Phase 1 work is complete and the new capacity is available. The solids processing facilities in Phase 3 will be constructed at such time as they become necessary, when waste solids production from the expanded/upgraded facility requires the solids handling capacity to be increased. The plant expansion/upgrade project will be implemented in three (3) design and construction phases. Construction of Phase 1 of the CWWTP is anticipated to be substantially complete by the end of 2021 and must be fully operational before Phase 2 construction can begin. The City has already experienced wastewater flows averaging over 75% of the Phase 1 permit capacity of ...
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