TRANSMITTAL LETTER FOR BOARD MEETING OF JANUARY 19, 2012
COMMITTEE ON PROCUREMENT
Mr. David St. Pierre, Executive Director
Title
Authority to increase Contract 04-203-4F, Final Reservoir Preparation, Thornton Composite Reservoir, Calumet Service Area, to Walsh/II in One, Joint Venture, in an amount of $115,103.71, from an amount of $50,762,649.65, to an amount not to exceed $50,877,753.36, Account 401-50000-645600, Purchase Order 5001224
Body
Dear Sir:
On December 2, 2010, the Board of Commissioners authorized the Director of Procurement and Materials Management to award Contract 04-203-4F, Final Reservoir Preparation, Thornton Composite Reservoir, Calumet Service Area, to Walsh/II in One, Joint Venture, in an amount not to exceed $50,763,937.00. The scheduled contract completion date is July 27, 2015.
As of January 6, 2012, the attached list of change orders has been approved. The effect of these change orders resulted in a decrease in the amount of $1,287.35 from the original amount awarded of $50,763,937.00. The current contract value is $50,762,649.65. The prior approved change orders reflect a 0.003% decrease to the original contract value.
Item 1: A quantity of 500 lineal feet was included in the contract under Unit Price Item 26, Invert Drain, at $45.00 per lineal foot. The invert drain quantity requires an increase of 2,810 lineal feet for a total quantity of 3,310 lineal feet. The bid quantity estimate of 500 lineal feet was developed without knowledge of the groundwater inflow locations in the diversion and connection tunnels and was based upon approximately 10 percent of the diversion and connection tunnels needing full circle panning. Following inspection of the diversion tunnel, it was apparent that the groundwater inflows requiring panning were greater than the amount estimated and requires an increase in the quantity of Unit Price Item 26. The engineer has found this increase in the quantity of invert drain and the contract unit price of $45.00 per lineal foot to be reasonable, resulting in an extra cost not to exceed $126,450.00, and stated via correspondence 238, that the Engineering Department would recommend its approval.
Item 2: The contract includes a quantity of 775 lineal feet of temporary fence at Construction Staging Area 1 inside the quarry. Instead of the contractor installing the temporary fence, Hanson Material Service will install a rock berm to separate Construction Staging Area 1 from their mining activities. The contractor submitted a cost proposal (CCO-006) for a credit in the amount of $11,346.29 to delete 775 lineal feet of temporary fence at Construction Staging Area 1. The engineer reviewed the proposal, found it to be reasonable, and stated via correspondence 247, that the Engineering Department would recommend its approval.
These change orders are in compliance with the Illinois Criminal code since the changes are germane to the contract.
It is hereby recommended that the Board of Commissioners authorize the Director of Procurement and Materials Management to execute two change orders to increase Contract 04-203-4F in an amount of $115,103.71 (0.23% of the current contract value) from an amount of $50,762,649.65 to an amount not to exceed $50,877,753.36.
Funds are available in Account 401-50000-645600.
Requested, Kenneth A. Kits, Director of Engineering, WSS:KMF
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 January 19, 2012
Attachment