From
Max
Title
Change Order/Amendment No. 15 in the net negative amount of $154,839.02 with Tiseo Paving Company for Great Southwest Parkway Improvements
Presenter
Romin Khavari, City Engineer; Gabe Johnson, Director of Public Works and Walter Shumac, Director of Transportation.
Recommended Action
Approve
Analysis
On December 12, 2017 the City of Grand Prairie approved a Construction Contract with Tiseo Paving Company in the total negotiated amount of $12,688,471.60 for Great Southwest Parkway from Sara Jane Parkway to Mayfield Road; materials testing with Alliance Geotechnical Group in the amount of $159,504; 5% contingency in the amount of $634,424; In-house engineering in the amount of $317,212; street lighting allowance of $52,000; signal/fiber allowance of $200,000; additional traffic control allowance by Grand Prairie Police Department $104,000; for a total project cost of $14,155,612
This project provides for the construction of approximately 4,900 L.F of 6 concrete lanes divided roadway (89- foot wide) with utilities from IH 20 to Mayfield Road.
Current Change Order/Amendment No. 15 in the total net negative amount of $154,839.02 provides for final quantity adjustments. This change order provides for a total increase of $59,607.86 and a total decrease of ($214,446.88) for a net negative amount of $154,839.02.
Change order/ Amendment No. 1 approved by City Council (18-7833) on May 1, 2018 in the net amount of $19,835 provided for additional 4,100 linear feet of silt fence, 2 additional construction entrances, upsizing 4 wastewater manholes to 5’ manholes and field survey of AT&T lines to determine conflicts.
Change Order/Amendment No. 2 approved by City Council (18-8053) on July 17, 2018 in the net amount of $306,783.64. The change order was required when the contractor found a multi-duct underground AT&T duct system that caused a conflict to construct the TRA 36” main as well as conflicts with the propped bridge piers and storm drain.
Change Order/Amendment No. 3 approved by City Council (18-8251) on September 18, 2018 in the net amount of $115,139.15. The change order was required when a valve on the 24" waterline along Mayfield Road west of Great Southwest Parkway broke and the water main had to be turned off using a line stop to make connection to the new 30" waterline without shutting water off at the water tower and minimally impacting customers.
Change Order/Amendment No.4 administratively approved in the net amount of $2,807.50. The change order was required for additional traffic control at the intersection of Great Southwest Parkway and Sarah Jane.
Change Order/Amendment No.5 approved by City Council (18-8367) on November 6, 2018 in the amount of $80,193.05. The change order was for installing a new 12” line crossing under Great Southwest Parkway that was too shallow, installing steel casing for signal pole bases to prevent water from infiltrating the pole bases and unforeseen damage to repair irrigation and electrical lines for Quality Inn.
Change Order/Amendment No.6 approved by City Council (18-8495) on December 11, 2018 in the amount of $44,668.95 The change order was for installing a new 12” line crossing under Great Southwest Parkway that was too shallow, installing steel casing for signal pole bases to prevent water from infiltrating the pole bases and unforeseen damage to repair irrigation and electrical lines for Quality Inn.
Change Order/Amendment #7 approved by City Council (19-8548) on January 8, 2019 in the total net amount of $80,329.45 provided for additional driveway replacement, additional depth sanitary sewer manhole, signal wire adjustments and new communication boxes.
Change Order/Amendment #8 administratively approved in the amount of $11,100.23 provided for additional subgrade stabilization and hydrated lime for stabilization.
Change Order/Amendment #9 administratively approved provided for time extension to the construction contract.
Change Order/Amendment #10 administratively approved in the amount of $3,500 provided for a Tree Removal in conflict with construction.
Change Order/Amendment #11 administratively approved in the amount of $17,412 provided for demolition of Cross tie retaining wall in conflict with construction including fence removal and replacement.
Change Order/Amendment #12 administratively approved in the amount of $12,777.50 provided for a 2” water service and meter box; it also provided for additional concrete rip-rap between the sidewalk and a screening wall.
Change Order/Amendment #13 approved by City Council (19-9482) on November 5, 2019 in the total net amount of $222,353.82 provided for Parkway irrigation along the east side of GSW Parkway between Forum Drive and Sara Jane Parkway which includes three (3) electric irrigation services $44,395.75, Traffic signal modifications at Forum Drive and Sara Jane parkway $29,929.20, and quantity over-runs $134,606.02 related to retaining walls (A thru E), stamped concrete for medians and sidewalks; Sanitary sewer encasement $7,140.00 and $15,806.75 for combination curb inlet and other miscellaneous items of work; it also provides for quantity under-runs ($9,523.90) related to Traffic signal modifications and storm drain inlet adjustments.
Change Order/Amendment #14 administratively approved in the amount of 1,680.01 provided for electrical conductor item modifications and water meter relocations.
There are no additional days associated with this change order; thus the completion date is August 2, 2020
Financial Consideration
State statute requires City Council approval when the cumulative cost of a change order exceeds $50,000; cumulative amount of this change order is $274,054.74.
No additional funding is required for this change order/amendment No. 15 with Tiseo Paving Company.