Authorize award and execution of a 36-month supply contract with LAUREN CONCRETE, LP, Round Rock, Texas, for ready mix concrete and mortar mix in an estimated amount not to exceed $867,180, with three 12-month extension options in an amount not to exceed $289,060 for each extension option, for a total estimated contract amount not to exceed $1,734,360. Funding in the amount of $20,834 is available in the Fiscal Year 2009-2010 Operating Budget of the Watershed Protection Department. Funding in the amount of $99,608 is available in the Fiscal Year 2009-2010 Operating Budget of Public Works. Funding for the remaining thirty one months of the original contract period and the extension options is contingent upon available funding in future budgets. Lowest bid of four bids received. This contract will be awarded in compliance with Chapter 2-9C of the City Code (Minority Owned and Women Owned Business Enterprise Procurement Program). No subcontracting opportunities were identified; therefore, no goals were established for this solicitation.