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Title
Change Order/Amendment No. 5 in the net amount of $80,193.05 with Tiseo Paving Company for Great Southwest Parkway Improvements
Presenter
Romin Khavari, City Engineer; Walter Shumac, Director of Transportation, and Gabriel Johnson, Director of Public Works.
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 #5 in the total net amount of $80,193.05 provides for the following:
During construction, a 12” water line connection that crosses Great Southwest Parkway was discovered to be too shallow. A new line has been proposed by Kimley-Horn at an acceptable depth. The cost associated with this work is a net of $52,332.00
While drilling for the bases of the signal lights at Forum and Great Southwest Parkway, ground water was discovered beyond the depth that was bored. In order to provide appropriate depth for the pole base, a casing was needed to keep water from infiltrating into the base. The cost associated with this work is a net of $8,050.00
Per an agreement with Quality Inn, additional paving up to the existing canopy will need to be removed and replaced in order to accommodate the existing paving tying into the proposed street elevations. During demolition, ...
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