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Title
Final Reconciliation Change Order/Amendment No. 5 with S. J. Louis Construction for Midlothian Water Supply Phase I in the net negative amount of ($56,730.60)
Presenter
Ron McCuller, Director of Public Works and Romin Khavari, City Engineer
Recommended Action
Approve
Analysis
On March 4, 2014 the City of Grand Prairie awarded a construction contract to S. J. Louis Construction of Texas, Ltd. in the amount of $1,982,435.65 and approved a 5% contingency of $99,121 for a total of $2,081,556.65 for the Midlothian Water Supply - Phase I Project.
This project was originally driven by the 2007 Grand Prairie Water Capital Improvement Plan, South Sector 2005-2010 year range, identifying it as a need to alleviate water pressure problems in the south part of the City and to put an end to routine flushing of the dead-end existing 36-inch water main at Koscher Drive. This project has been a combined effort with the City of Midlothian to purchase water from their existing Water Treatment Plant at Tayman Drive, and distribute new water supply to the City of Grand Prairie.
The Midlothian Water Supply Phase One, WO #01207201-03 consists of 13,100 LF of 16-inch Water Main, with twelve (12) - 16-inch Butterfly Valves, One (1) Flow Meter and Vault, One (1) - Pressure Reducing Valve and Vault, and One (1) - Combination Pressure Reducing and Flow Control Valve and Vault, including SCADA and Controls.
Change order/ Amendment No. 1 in the amount of 44,293.68 was executed on April 29, 2014 for modifications of Electrical and SCADA equipment controls of motor operated valves.
Change order/Amendment No. 2 in the amount of $39,746.60 was executed on September 2, 2014 for the relocation of a flow controller vault to a site northeast of the Tangle Ridge golf course entrance; the original vault location would have impeded development to an existing vacant lot in the corporate limits of Cedar Hill. This change order also provided for Hydro-mulch seeding and other ...
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