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AI- 50304
Commissioners Court
Meeting Date: 06/07/2021  
Dallas North Tollway Southbound Frontage Road Change Order #6 Collin County Contract No. 2018-203
Submitted For: Clarence Daugherty Submitted By: Dawn Redwine
Department: Engineering  
Request Type: CONSENT Agenda Area: Change Order

Department Action
The DNT Southbound Frontage Road project has been completed and a final change order is needed to reconcile the quantities that were actually used compared to those that were estimated in the original contract. Attached is a letter from our design and construction management engineering consulting firm, Halff Associates, which lists the quantities that underran and overran, as well as two items to add for the repairs to the signals. The net amount is a reduction of $122,760.25 to the contract.
The contractor met the substantial completion time requirements of the contract by being open to traffic by January 2020. The final completion times were not met because of two crashes which demolished traffic signal controllers at two locations, as well as complications of COVID. This is also addressed in the letter from Halff, who recommends that no liquidated damages be charged for the late final completion because we have had use of the road since January 2020 and the delays caused by the two crashes and COVID are beyond the control of the contractor. The Engineering staff agrees with Halff’s recommendation.
Recommended Action:  It is recommended that the Commissioners Court approve Change Order No. 6, reducing the DNT Southbound Frontage Road contract by $122,760.25 for a new total of $17,669,604.59.
Purchasing Department Action
Request Commissioners Court consideration and any action regarding approval of Change Order No. 6 to the contract with Mario Sinacola & Sons Excavating, Inc., AGR 2018-203, Construction, Road, Dallas North Tollway Southbound Frontage Road, US 380 to FM 428, to adjust quantities based on as-built conditions, add signal repairs due to accidents, remove the liquidated damages clause, and correct a mathematical error in Change Order No. 5 as per the attached Engineer recommendations. Further, authorize the Purchasing Agent to execute same. MD
HR and/or IT Action
Budget Department Action
Request for approval of Change Order No. 6 in the amount of -$122,760.25 to AGR 2018-203, Construction, Road, Dallas North Tollway Southbound Frontage Road, US 380 to FM 428 to reconcile quantities that were actually used.  New contract total is $17,669,604.59. General Fund (0001).
Auditor's Office Action
Funds available in the General Fund.
Commissioners Court
No. 6 to Construction, Road: Dallas North Tollway Southbound Frontage Road, US 380 to FM 428 (Agreement No. 2018-203) with Mario Sinacola & Sons Excavating, Inc. to make various changes to the contract, and further authorize the Purchasing Agent to finalize and execute same, Engineering. 

Budget Information
Information about available funds
Budgeted: Funds Available: Adjustment: Amount Available: -122,760.25
Unbudgeted: Funds NOT Available: Amendment:
Account Code(s) for Available Funds
1: RA070050 -0001-750300013-809280
Fund Transfers
Court Order 2021-533-06-07
Letter from HALFF
Change Order No. 6
2252 Certification
Form 1295

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