Title
CHANGE ORDER NO. 1: $265,810.00
DUSABLE PARK PHASE 1
THORIUM REMEDIATION OVERSIGHT
AECOM
SPECIFICATION NO. 11007-12
Body
To the Honorable Board of Commissioners of the Chicago Park District
I. Recommendation
It is recommended that a change order be approved affecting the contract for the subject work said to authorize:
Change Order No. 1: Additional remediation oversight services and supplies as required to complete Phase 1 remediation work at DuSable Park.
II. Award Information
Vendor/Contractor: AECOM
303 East Wacker Drive
Chicago, Illinois 60661
MBE%
WBE%
Original Contract Amount :
$ 198,907.00
25.24
5.60
Previous Change Order :
$ 0.00
0.00
0.00
Contract Amount prior to this Change Order
$ 198,907.00
25.24
5.60
Amount of Current Change Order :
$ 265,810.00
35.10
5.76
New Contract Amount:
$ 464,717.00
30.91
5.69
Contract Type: Design Professional Services Contract
Contract Period: Contract time will remain the same
Contract Amount: Not-to-exceed $464,717.00 including reimbursable expenses
Affirmative
Action Goals: The Minority and Women Owned Business Enterprise participation for this contract include: 30.91% Minority Owned and 5.69% Women Owned.
Change Order #1: The scope of work for this change order includes services and supplies for additional thorium screening, remediation oversight, verification sampling, and disposal as needed to complete the Phase 1 Remediation of the DuSable Park site.
This change order includes participation by the MBE sub-consultant GSG Consulting in the amount of $93,755.00 and WBE sub-consultant Environmental Design International, Inc. in the amount of $15,320.00.
These additional services and supplies were not foreseeable at the time of the original contract. A significantly larger quantity of thorium was identified during remediation. It was estimated that 200 cubic yards of thorium contaminated fill would require remediation; however, approximately 900 cu...
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