TRANSMITTAL LETTER FOR BOARD MEETING OF SEPTEMBER 18, 2025
COMMITTEE ON PROCUREMENT
Mr. John P. Murray, Acting Executive Director
Title
Authority to increase Contract 18-148-3P Digester Rehabilitation and Gas Piping Replacement - Phase II, SWRP, to IHC Construction Companies, LLC in an amount of $366,486.74, from an amount of $54,972,836.26, to an amount not to exceed $55,339,323.00, Account 401-50000-645650, Purchase Order 4000106 (As Revised)
Body
Dear Sir:
On November 16, 2023, the Board of Commissioners authorized the Director of Procurement and Materials Management to award Contract 18-148-3P Digester Rehabilitation and Gas Piping Replacement - Phase II, SWRP, to IHC Construction Companies, LLC, in an amount not to exceed $52,360,000.00, plus a five (5) percent allowance for change orders in an amount of $2,618,000.00, for a total amount not to exceed $54,978,000.00. The scheduled contract completion date is May 7, 2030.
As of September 5, 2025, the attached list of change orders has been approved.
Original Contract Amount $52,360,000.00
Date of Board Approval 11/16/2023
Cumulative Change Order (9/05/2025) $68,601.80
% Change of Original Contract Value 0.13%
Current Contract Value $54,972,836.26
Requested Increase $366,486.74
New Contract Value $55,339,323.00
% Change of Current Contract Value 0.67%
Total % of Chage of Original Contract Value 0.83%
The engineer has determined that certain revisions are required to the original scope of work for relocating Conduits 23-34, 44-52 and 83 from the service tunnel to a new concrete encased ductbank/manhole system connected to three new prefabricated electrical sheds, one for each digester chamber, directly north of Digester Tanks 1, 3, 5, 7, 9 and 11. The revisions are necessary to improve the relocation and replacement of electrical equipment for all three digester chambers under the subject contract. The revised installation reduces the size of the raceway, eliminates long lead items that are difficult to source, improves constructability, and will allow for better sequencing of outages and shutdowns in the future. The contractor submitted cost proposal (CO-19) for an extra in the amount of $4,587,114.14 and a credit in the amount of $4,220,627.40, for a net extra in the amount of $366,486.74. The engineer reviewed the proposal, found it to be reasonable, and stated via correspondence CO19, that the Engineering Department would recommend its approval.
This change order is in compliance with the Illinois Criminal Code since the change is germane to the contract.
It is hereby recommended that the Board of Commissioners authorize the Director of Procurement and Materials Management to execute a change order to increase Contract 18-148-3P in an amount of $366,486.74 (0.67% of the current contract value), from an amount of $54,972,836.26, to an amount not to exceed $55,339,323.00.
Funds are available in Account 401-50000-645650
Requested, Catherine A. O’Connor, Director of Engineering, CS:NBP
Recommended, Darlene A. LoCascio, Director of Procurement and Materials Management
Respectfully Submitted, Precious Brady-Davis, Chairperson Committee on Procurement
Disposition of this agenda item will be documented in the official Regular Board Meeting Minutes of the Board of Commissioners for September 18, 2025
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