SUBJECT
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Approve agreement with Wharton-Smith, Inc. to provide construction manager at risk (CMAR) pre-construction services for Phases 1 and 2 of the Northeast Regional Wastewater Treatment Facility expansion from 6 to 9 million gallons daily (MGD). ($320,513.00 pre-construction services one-time expense)
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DESCRIPTION
On July 11, 2023, the Board authorized staff to negotiate an agreement with Wharton-Smith, Inc. to provide CMAR services for the Northeast Regional Wastewater Treatment Facility expansion from 6 to 9 MGD project. This project is the result of a recent Northeast Regional Utility Systems Area master plan update, which identified the need to expand the treatment capacity due to rapid population growth in the area.
This project is broken down into two phases due to the size and complexity of the facility expansion. Phase 1 is for BioSolids Dewatering Improvements which will result in 9 MGD of biosolid dewatering capacity by replacing existing screw presses with centrifuge dewatering units and other improvements to the dewatering facility; and Phase 2 is for Capacity Expansion preliminary design of the remaining process units at the facility, including headworks screening, biological treatment, filtration, disinfection, and stormwater management.
The CMAR's role includes:
1. Pre-construction phase services include working with the design consultant and county staff to provide value engineering suggestions, constructability reviews, management of pre-bid conferences with sub-contractors, bid solicitation services, along with management of pre-award meetings with sub-contractors.
Phase 1, BioSolids Improvements
Wharton Smith, Inc. will provide pre-construction phase services with Hazen and Sawyer, P.C. who has been chosen as the design consultant for this phase for a not to exceed amount of $116,003.00.
Phase 2, Capacity Expansion
Wharton-Smith, Inc. will provide pre-construction phase services with Wright-Pierce, Inc. who has been chosen a...
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