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Title
Change Order No. 3 in the net negative amount of ($53,595.16) with McMahon Contracting LP for Lake Ridge Widening Project
Presenter
Jim Sparks, Director of Transportation and Romin Khavari, City Engineer
Recommended Action
Approve
Analysis
On November 15, 2011, the City of Grand Prairie awarded a construction contract to McMahon Contracting, L.P in the total base bid amount of $7,942,491 and alternate amount of $100,819 for a total contract amount of $8,043,310; Material Testing in the amount of $125,464; In-House Engineering in the amount of $79,425; 5% Contingency in the amount of $402,165 for a grand total project request of $8,650,364 for Lake Ridge Parkway Widening between Joe Pool Lake Marina and Great Southwest Parkway
This Change Order/Amendment No. 3 in the net negative amount of ($53,595.16) provides for deleting unneeded items related to the proposed retaining wall construction along Lakeridge Parkway, these items are temporary shoring, spread footing, flumes and other miscellaneous work. The reason behind deleting these items is due to revisions made by the retaining wall subcontractor/vendor and due to design changes and utility conflicts in the area where the retaining walls would be built without incorporating these deleted items of work. This change order also provides for deleting the proposed sidewalk along the west side of Lakeridge Parkway between Camp Wisdom Road and Travis Drive; this sidewalk is not currently needed since it would be constructed along an undeveloped property. Also included in this change order is the removal and replacement of sidewalk between Palmer and Great Southwest Parkway. This sidewalk replacement is required for the most part due to grade issues and poor physical & structural conditions. This change order also includes repairs to the Lake Parks subdivision irrigation system which was damaged for the most part by unknown franchise utilities working in the same construction area.
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