Agenda Item: 15 (c)
Prepared By: Jeffrey E. Poteet, General Manager, Water & Sewer
Business: City Council Item
Department: Water and Sewer
Subject:
Title
Authorize the Interim City Manager to Execute a Change Order to Cardinal Contractors, Inc for the purchase and installation of a Vertical Turbine Transfer Pump and Upgrade the Service Authorization to Purchase Order 220344 with Jacobs Engineering Inc. to Extend Engineering Services During Construction, in the amount of $628,879 and $79,875.00, respectively - Jeffrey E. Poteet, General Manager, Water & Sewer Department.
Body
BACKGROUND:
On February 7, 2024, City Council approved the construction of two new horizontal Biologically Active Filter (BAF) systems at the City's Source Water facility, located approximately nine miles north of Marco Island, in the amount of $9,822,100. The project includes installation of the BAF units and all associated appurtenances, including pump, valves, process piping, electrical switchgear, control systems, and instrumentation. The scope of work also includes demolition and removal of one of the two existing transfer pumps and associated electrical systems to accommodate integration of the new treatment process. The project is currently under construction, approximately 72 percent complete, and remains on schedule and within the approved budget.
The feedwater supply for the BAF system is withdrawn from the South Lake through a transfer pump station. The station currently consists of two 75-horsepower pumps: one electric pump and one diesel-driven pump that serves as a backup. Under the approved BAF scope of work, the existing electric pump is being replaced with a new 200-horsepower electric pump. Replacement of the diesel-driven pump was originally anticipated as a separate project funded through a federal resiliency grant.
The federal resiliency grant was conceptually approved prior to completion of detailed engineering and was based on an in-kind replacement of the ex...
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