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Title
Amendment (Change order) No.4 to professional engineering and surveying services contract with Kimley-Horn and Associates for Design of Great Southwest Parkway from Mayfield Road to IH-20 Improvement in the total amount of $58,929
Presenter
Romin Khavari, City Engineer
Recommended Action
Approve
Analysis
On February 2, 2016, City Council Approved an Engineering and surveying services contract in the total amount of $545,200 with Kimley-Horn and Associates for Project Development Study and 30 Percent Design of Great Southwest Parkway from IH-20 to Mayfield Road. The project improvements provided for widening the roadway from four lanes to six lanes to help improve traffic circulation on Great Southwest Parkway north of IH-20 to Mayfield Road and would also help the Traders Village traffic.
Change Order Amendment #1 in the total amount of $689,500 provided for Phase II design of the design for the preparation of 100% design plans and preparation of construction drawings of the following improvements between IH-20 and Mayfield Road;
Change Oder Amendment #2 in the total amount of $51,150 provided for City Fiber Infrastructure design as well as subsurface utility engineering to determine underground utilities associated with this project;
Change Oder Amendment #3 in the total amount of $13,000 provided for the design related to the rehabilitation of an existing 6” and 8” wastewater main along the limits of this project;
The current proposed Change Oder Amendment #4 in the total amount of $58,929 provides for the geomorphologic evaluation related to erosion mitigation of the existing creek and evaluation recommendations for the increased velocities associated with the removal of the existing culverts and replacement with a bridge. It will also include the rehabilitation of two deteriorated storm drain outfalls along the creek in the area.
The design for the complete project is anticipated to be complete by November 2017. With approva...
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