Interoffice Memorandum
DATE: May 21, 2025
TO: Mayor Jerry L. Demings and County Commissioners
FROM: Carrie Mathes, CFCM, NIGP-CPP, CPPO, C.P.M., Manager II, Procurement Division
CONTACT: Lindy A. Wolfe, P.E. LEED AP, Manager II, Utilities Engineering Division
PHONE: 407-254-9918
SUBJECT: Amendment No. 5, Contract Y19-817 Pump Station Master 3000 Pine Hills
ACTION REQUESTED:
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Approval of Amendment No. 5, Contract Y19-817, Pump Station Master 3000 Pine Hills, with Black & Veatch, in the amount of $219,293.57, for a revised total contract amount of $1,744,231.18. ([Utilities Department Engineering Division] Procurement Division)
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PROCUREMENT:
The project requires additional design services which were not included in the original scope, but are essential to fulfilling federal funding conditions, addressing County operational needs, and aligning with late-stage design directives by Orange County Utilities. The work ensures compliance, constructability, and long-term reliability of the infrastructure investment.
The additional design services are necessary to complete the construction documents phase prior to bidding. The additional services are detailed as follows:
1. Replacement of Perimeter Fence with Blast-Proof Concrete Wall
As a condition of grant funding, the existing chain-link fence must be replaced with a blast-resistant concrete screen wall. The wall design impacted the layout of the yard piping.
2. Additional Revisions to Piping Design
The influent collection system changed due to new piping installations and removal of existing lines. Additional requests from the design review team during the construction documents phase required partial redesign.
3. Revisions to Process Mechanical Design
The Field Services Division requested the addition of a hatch to allow vac truck access for routine cleaning of the influent baffle wall. Additionally, they requested updates to the configuration of the level indicating transmitter and float installatio...
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