From
Max
Title
Final Change Order No. 15 with Jackson Construction on Mayfield Road and the Airport Detention in the negative amount of ($111,457.78)
Presenter
Romin Khavari, City Engineer
Recommend Action
Approve
Analysis
On June 17, 2008, the City of Grand Prairie awarded a construction contract to Jackson Construction in the amount of $10,875,144 and authorized a 5% contingency of $543,756 for a total of $11,418,900 for the Mayfield Road paving, drainage and water improvements and Airport Detention Pond with water and wastewater improvements.
The current Change Order No. 14 provides for final project adjustments in all sections.
Change Order No. 1 adjusted the amount of the construction contract from $10,875,144 to $10,950,981; the difference of $75,837 was necessary to cover general construction items ( listed under Section VIII of the contract) to include site preparation, construction staking, barricading and traffic control, joint stormwater pollution prevention plan and as-built survey.
Change Order No. 2 in the amount of $65,588 provided for minor adjustments of one fire hydrant and 6 linear feet of 48 and 27 RCP storm drain due to conflicts with other existing utilities. It also provided for the installation of 77 Linear feet of 30 water pipe and 30 valve and other related items at Traders Village water tower site;
Change Orders No. 3 and No. 4 made adjustments for project traffic control. No funding was required.
Change Order No. 5 provided for adjusting an existing 24 waterline where it conflicted with a proposed channel crossing; it also provided for the installation of a driveway approach south of the airport as well as minor adjustments to proposed Storm Sewer manhole and miscellaneous pavement striping. This change order also provided for a rebate to the city for storm sewer embedment where crushed concrete was used in lieu of crushed stone embedment as specified in the construction contract.
Change Order No. 6 provided for the...
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