06-09-08 Special Called Meeting of the La Porte Development Corporation Board of Directors

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Sylvan Beach Shoreline Protection and Nourishment Project Technical Memorandum of Survey Update and Cost Estimate Summary Chanaes to Quantities based on Uodated SUNev Information The recent survey performed by Landtech Consultants showed a slight increase in depth at the eastern region of the groins. The increase in depth resulted in slight changes in stone and barge access channel dredging quantities. The changes in quantities are located in Table 3 below: Table 3: Quantity Changes Based on Updated Survey Item Armor Stone Barge Access Dredging* 2003 Quantitv 10,600 tons 4,800 CY 2008 Quantitv 10,840 tons 3,900 CY *Quantity in Cost Estimate is shown as Lump Sum AdditionslChanaes to the Cost Estimate Additional items in the estimate that have been added include lighting plan and a fee for engineering oversight services during construction and bond fees. The additional items are included in Table 4 below: Table 4: Cost Estimate Additional Items Item Engineering of Lighting Plan Themed Lighting Structure Conduit for Lighting Ground Boxes for Lighting Engineering Oversight Performance Bond (2% of Total Cost) Payment Bond (2% of Total Cost) Unit L.S. Each L.F. Each L.S. L.S. L.S. Quantitv 1 10 2300 30 1 1 1 Unit Price $15,000.00 $2,700.00 $7.00 $75.00 $107,000.00 $54,311.00 $54,311.00 Extended Price $15,000.00 $27,000.00 $16,100.00 $2,250.00 $107,000.00 $54,311.00 $54,311.00 The Estimated Probable Cost for the project is located on Table 5 on the next page. 3-2 Last Revised: OS/23/08