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Title
Change Order/Amendment No.6 with North Texas Contracting, for the South Sector Lift Station in the amount of $50,173.00 for pump start-up preparation
Presenter
Ron McCuller, Director of Public Works
Recommended Action
Approve
Analysis
On March 2, 2010 the City of Grand Prairie awarded a construction contract to North Texas Contracting in the amount of $2,377,737.00 and approved a 5% contingency of $118,887.00 for a total of $2,496,624.00 for the South Sector lift station construction project.
Construction of this project was initiated in March 2010 with a planned one year term. This term was extended to mid-2012 based on the local electric service provider, Hilco, having power to the lift station; however, power was not available from Hilco until early 2013. Additionally, planned development to be served by the lift station was put on hold in mid-2013, so a decision was made by the City and the contractor to await the need for the station prior to remobilizing the contractor to perform equipment performance testing.
In mid-2015, the City requested the contractor to furnish costs for initiating a facility wide review and testing of all the equipment and a performance testing of the lift station in its entirety in order to confirm that the lift station can be available for connections to City and Mansfield developments as soon as the first quarter of 2016.
This change order/Amendment No. 6 provides for comprehensive testing of equipment and performance testing of pumps to ensure readiness for startup operations at the lift station.
Change order No.1 in the net amount of negative -$5,745.00 for addition and deletion of pipe fittings, couplings and other related items of work.
Change order No.2 provided for time extension.
Change order No.3 in the amount of $2,156.25 provided for revisions to refrigerant and insulation lines.
Change order No.4 in the amount of $24,379.08 provided for copper wiring to extend power from Hilco lines to the lift station site.
Change order No.5 provided for time extension.
Financial Consideration
Funding in the total amount of $50,173 is available in Wastewater Capital Project Fund (500692) WO #07712301-03 (South Sector WWST).