Explanation
1. BACKGROUND: This Ordinance authorizes the Director of Public Utilities to modify and increase the professional engineering services agreement with Ribway Engineering Group, Inc. for the Dublin Road Water Plant Miscellaneous Improvements - Basin Clarifier Rehabilitation Project, Capital Improvements Project No. 690278-100005, Division of Water Contract No. 2199.
The project includes field inspection / condition assessment and design for clarifier improvements for basins 1, 2, and 3. Improvements in each basin will include the replacement of four clarifier drive mechanisms, replacement of corner sweep mechanisms, rehab of clarifier rake arms, and replacement of misc. piping, supports, electrical equipment/conduits, and other clarifier appurtenances. Additionally, flocculation basin 1, 2, 3 and 4 drive mechanisms and associated electrical conduits will be replaced.
Work performed to date includes field inspection/condition assessment, preliminary design services, detailed design services, and engineering services during construction. Detailed design services also included preparation of construction contract documents for the improvements recommended in the Preliminary Design Report (PDR).
*Funding under this ordinance was changed from a Renewal to a Modification due to clarification from the City Attorney’s Office.
This contract modification (No. 3) will provide Final Engineering Services During Construction.
The DRWP serves multiple planning areas so the planning area is “99 - Citywide”.
1.1 Amount of additional funds to be expended: $2,300,000.00
Original Agreement Amount: $ 556,700.00 (PO107378)
Renewal #1: $1,450,018.00 (PO188716)
Renewal #2: $1,400,000.00 (PO256262)
Modification #3 (current): $2,300,000.00
Total (Orig. + Rens/Mod.) $5,706,718.00
1.2. Reasons additional goods/services could not be foreseen:
This contract modification was anticipated and explained in the original contract and provided funding for Final Engineer...
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