Explanation
1. BACKGROUND
This ordinance authorizes the Director of Public Utilities to enter into a planned contract modification for professional engineering services with Jacobs Engineering Group, Inc. for the Jackson Pike Waste Water Treatment Plant (JPWWTP) renamed to Jackson Pike Water Reclamation Plant (JPWRP) Digester Improvements project, CIP #650240-100000, in an amount up to $11,446,186.00.
The initial phase of this contract provided Professional Engineering Services for Preliminary Design (Step 1). During Preliminary Design it was decided that Construction Manager at Risk (CMAR) would be used for the construction delivery method. As a result of that decision, the second phase will provide Professional Engineering Services for Detailed Design and Preconstruction Services (Step 2). The third phase will provide Professional Engineering Services During Construction ESDC (Step 3). Step 3 will be divided into two parts; one part will provide ESDC during the Preconstruction Services phase and the other part will provide ESDC during the Construction phase.
The scope of work for this project will generally include improvements to the six single stage anaerobic digesters (D01 thru D06) at the City’s Jackson Pike Wastewater Treatment Plant (JPWWTP).
Step 1 (Preliminary Design) of this project included the following tasks: A review of the existing facility; An evaluation of the existing digester process;. An alternative analysis of Class A and Class B Treatment Options; An evaluation of the Primary Holding Tank (PHT) and Waste Holding Tank (WHT) Mixing System; A condition assessment of Sludge Silo 2; A hazardous materials survey; Development of design criteria and basis of design; and Preparation of a Detailed Design Memorandum (DDM)/Preliminary Design Report (PDR).
Modification No. 1 will provide Step 2 (Detailed Design and Preconstruction Services). During Step 2, the consultant will prepare construction contract documents (including specifications and ...
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