TRANSMITTAL LETTER FOR BOARD MEETING OF APRIL 15, 2010
COMMITTEE ON PROCUREMENT
Mr. Richard Lanyon, Executive Director
Title
Authority to decrease Contract 04-125-3S (Re-Bid), Upper Des Plaines Pumping Station Rehabilitation and TARP Connection , Stickney Service Area, to F.H. Paschen/S.N. Nielsen and Associates LLC, in an amount of $15,525.72, from an amount of $8,908,950.41, to an amount not to exceed $8,893,424.69, Accounts 401-50000-645600 and 645700, Purchase Order 5000812
Body
Dear Sir:
On December 20, 2007, the Board of Commissioners authorized the Director of Procurement and Materials Management to award Contract 04-125-3S (Re-Bid), Upper Des Plaines Pumping Station Rehabilitation and TARP Connection, Stickney Service Area, to F.H. Paschen/S.N. Nielsen and Associates LLC, in an amount not to exceed $11,756,000.00. The scheduled contract completion date was April 8, 2009.
As of April 2, 2010, the attached list of change orders has been approved. The effect of these change orders resulted in a decrease in the amount of $2,847,049.59 from the original amount awarded of $11,756,000.00. The current contract value is $8,908,950.41. The prior approved change orders reflect a 24.2% decrease to the original contract value.
The original design of the TARP connection involved isolating the Upper Des Plaines Pumping Station from the Upper Des Plaines Intercepting Sewer No. 3 through the use of a mechanically operated gate in an isolation chamber in the sewer system. Sump Pump No. 4 would be used to dewater the chamber between the isolation gate and the pump intakes at the station. The current design involves using stop logs in each of the three pump inlet chambers to isolate the pumping station from the sewer. As such, Sump Pump 4 would not function as intended. Portable trash pumps will be used to dewater each chamber as needed. This change order is to delete the installation of Sump Pump No. 4 and associated piping from the contract work.
The contractor submitted a cost proposal (COR-7) for a credit in the amount of $15,525.72. The engineer reviewed the proposal, found it reasonable, and stated via correspondence 364, 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 original contract as signed.
It is hereby recommended that the Board of Commissioners authorize the Director of Procurement and Materials Management to execute a change order to decrease Contract 04-125-3S in an amount of $15,525.72 (0.17% of the current contract value), from an amount of $8,908,950.41, to an amount not to exceed $8,893,424.69.
Funds will be restored to Accounts 401-50000-645600 and 645700.
Requested, Kenneth A. Kits, Acting Director of Engineering, WSS:MVL
Recommended, Darlene A. LoCascio, Director of Procurement and Materials Management
Respectfully Submitted, Barbara J. McGowan, Chairman Committee on Procurement
Disposition of this agenda item will be documented in the official Regular Board Meeting Minutes of the Board of Commissioners for April 15, 2010
Attachment