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Title
Change Order (Amendment) No. 4 in the net amount of $16,731.13 with Texas Standard Construction for the Main Street and Jefferson Area Storm Drain Improvements project
Presenter
Romin Khavari, City Engineer
Recommended Action
Approve
Analysis
On January 24, 2017 The City of Grand Prairie awarded a Construction contract with Texas Standard Construction in the amount of $1,817,178.40 for the Main Street and Jefferson Area Storm Drain Improvements project; Material testing with Reed Engineering in the amount of $26,171.00; In-house labor distribution in the amount of $90,859.00; 5% contract contingency in the amount of $90,859.00; for a total project cost of $2,025,067.40
Staff working closely with the KSA Engineers, the Consulting firm on this project have field determined the exact location of this main as stated above. A design has been provided to re-route this storm drain along existing alleys and east along Dallas Street to connect to the existing storm drain system within dedicated street right-of-ways and easements. Once relocated, the existing storm drain under the duplexes and the grocery store will be filled in and abandoned in place.
The current Change Order (Amendment) No. 4 in the net amount of $16,731.13 provides for additional pavement repairs in the amount of $39,809.58; it also provides for final measurements and adjustments of quantity over-runs of $88,907.12 and under-runs of ($111,985.57). The cumulative total amount of this change order is 240,702.27 and the net total change order amount is $16,731.13.
Change order (Amendment) No.1 in the amount of $93,220 provided for various plan revisions and adjustments of the proposed storm drain improvements due to several unforeseeable conflicts with existing utilities throughout the construction area. This change order also provides for hand tunneling storm drain pipes.
Change order (Amendment) No.2 approved by City Council on November 21, 2017 (17-7303) provided for vari...
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