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(C COASTAL TECH AMacc <br />3625 20THStreet <br />Vero Beach, Florida 32960 <br />(772) 562-8580 Fax (772) 562-8432 <br />Johnny Bradberry, President <br />1004181.002 September 15, 2020 <br />Eric Charest <br />Natural Resources Manager <br />Indian River County Public Works Coastal Division <br />1801 27th Street <br />Vero Beach, FL 32960 <br />Re: Indian River County — BID No. 2020054 <br />Sector 7 Beach & Dune Restoration Project - Bid Review and Assessment <br />Dear Mr. Charest: <br />This letter constitutes our recommendation of award for the Sector 7 Beach and Dune Restoration Project — <br />per Bid No. 2020054. We have evaluated the bids received by the County as the Engineer -of Record. Based <br />upon the information provided by bidders, we recommend award of a construction contract to Great Lakes <br />Dredge and Dock Company, LLC (GLDD) for the Sector 7 Beach and Dune Restoration Project. <br />Note that: <br />• Four (4) bids were received for the Project; only two of the four bids were determined to be valid <br />by the County Purchasing Department in that each bidder submitted the information required by <br />the Bid Documents. <br />• The two valid bids are from the Great Lakes Dredge and Dock Company, LLC (GLDD) and the Rio - <br />Bak Corporation; GLDD proposes use of the offshore borrow area, and Rio -Bak Corporation proposes <br />use of an upland sand source. <br />• GLDD's Base Bid of $11,480,682 constitutes the low bid; Rio -Bak Corporation's Base Bid of <br />$11,947,000 constitutes the high bid. . <br />• GLDD's unit price for Bid Item 2: Furnish & Install Sand, is much lower than Rio -Bak Corporation's <br />unit price ($17/cy compared to $35/cy); however, their unit price for Bid Item 1: <br />Mobilization/Demobilization is significantly higher ($5.1M as opposed to $112,209). <br />• Both bids are comparable in unit price for Bid Items 3 through 6: Pay Profiles, Permit <br />Compliance/Turbidity Monitoring, Beach Tilling, and Furnish & Install Native Plants. <br />• Both bids are (18% to 23%) higher than our Opinion of Probable Cost; <br />• We have previously worked with GLDD on other projects; GLDD is broadly .known as a reputable <br />contractor with extensive and successful experience in beach nourishment. <br />If you have any questions, please contact me or Michael. <br />Sincerely, <br />COASTAL TECH - G.E.C., Inc. <br />('� -�"11.E <br />Charles "Tem" Fontaine III, P.E. <br />Vice President <br />Attachments: Bid Summary <br />cc: Michael Walther, CTC -GEC <br />Celebrating 33rd Anniversary <br />Coastal Engineering Economics a Energy - Environmental o GIS . Planning - Transportation 234 <br />