From
Max
Title
Change Order/Amendment No. 15 in the net negative amount of $154,839.02 with Tiseo Paving Company for Great Southwest Parkway Improvements
Presenter
Romin Khavari, City Engineer; Gabe 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.
Current Change Order/Amendment No. 15 in the total net negative amount of $154,839.02 provides for final quantity adjustments. This change order provides for a total increase of $59,607.86 and a total decrease of ($214,446.88) for a net negative amount of $154,839.02.
Change order/ Amendment No. 1 approved by City Council (18-7833) on May 1, 2018 in the net amount of $19,835 provided for additional 4,100 linear feet of silt fence, 2 additional construction entrances, upsizing 4 wastewater manholes to 5’ manholes and field survey of AT&T lines to determine conflicts.
Change Order/Amendment No. 2 approved by City Council (18-8053) on July 17, 2018 in the net amount of $306,783.64. The change order was required when the contractor found a multi-duct underground AT&T duct system that caused a conflict to construct the TRA 36” main as well as conflicts with the propped bridge piers and storm drain.
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