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Title
Ordinance amending the FY 2017/2018 Capital Improvement Projects Budget; Change Order/Amendment No. 2 in the net amount of $306,783.64 with Tiseo Paving Company for Great Southwest Parkway Improvements
Presenter
Romin Khavari, City Engineer, Gabriel Johnson, Director of Public Works and Walter Shumac, Director of Transportation
Recommended Action
Approve
Analysis
On December 12, 2017 the City of Grand Prairie approved a Construction Contract with Tiseo Paving Company in the total negotiated amount of $12,688,471.60 for Great Southwest Parkway from Sara Jane Parkway to Mayfield Road; materials testing with Alliance Geotechnical Group in the amount of $159,504; 5% contingency in the amount of $634,424; In-house engineering in the amount of $317,212; street lighting allowance of $52,000; signal/fiber allowance of $200,000; additional traffic control allowance by Grand Prairie Police Department $104,000; for a total project cost of $14,155,612
This project provides for the construction of approximately 4,900 L.F of 6 concrete lanes divided roadway (89- foot wide) with utilities from IH 20 to Mayfield Road.
The current proposed Change Order/Amendment #2 in the total net amount of $306,783.64 provides for the following:
During construction, the contractor found a multi-duct underground AT&T duct system that has caused a conflict to construct the TRA 36” main included as part of this project by the open cut method. Upon further review and also due to safety concerns it was decided by TRA to bore 120 lf of 36” TRA sanitary sewer line under Great Southwest Parkway rather than open cut. TRA has approved $159,179 additional funds (that includes contingencies) as part of a second amendment to the TRA interlocal agreement proposed as part of the July 17th City Council consideration to fund this portion of the work funded by TRA. The reduction in open cutting cost is -$63,126 while the net increase to bore is $172,305 . TRA is also splitting the ...
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