R2022-153 Resolution Authorizing Amendment Number 3 to an Agreement with Clark Dietz Inc. to Provide Professional Engineering Services to the City of Decatur

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City of Decatur, Illinois p #1 Gary K. Anderson Plaza Amendment tt,Na, Decatur, IL 62523-1196 Date: August 19, 2022 Project: Various Engineering Services Request No. 3 ❑ Final Project Number: 2020-13 Consulting Engineer: Clark Dietz, Inc Address: 125 West Church Street Champaign, IL 61820 1 recommend that an ® addition of $249,950.35 be made to the above contract. ❑ deduction I recommend that an extension of 184 days be made to the above contract completion date. The revised completion date is now January 1, 2023 Amount of original contract $ 187,670.00 Amount of previous amendments $ 209,724.20 Amount of current amendment $ 249,950.35 Amount of adjusted/final contract $ 647,344.55 ® addition Total net ❑ deduction to date $ 459,674.55 which is 244 % of Contract Price State fully the nature and reason for the Amendment Continue to support the City's Engineering Department Staff on a part time basis by providing in-house engineering services When the net increase or decrease in the cost of the contract is$10,000 or more or the time of completion is increased or decreased by 30 days or more, one of the following statements shall be checked. The undersi ned determine that the change is germane to the original contract as signed, because: ❑ Provision for this work is included in the original contract. ® Work of this type was included in the original contract, and the additional efforts of this work are within the intent of the contract. ❑ The change represents an adjustment required by the contract, based on unpredictable developments in the work. ❑ The chan a in design is necessary to fulfill the original intent of the Contract. ❑ Other: (Explain) Recommended Public Works Director Date Approved wn-2 Attested q _ Mayor City Clerk awl Date Date Page 1 of 1