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INDIAN RIVER COUNTY, FLORIDA BOARD MEMORANDUM TO: Joseph A. Baird, County Administrator THROUGH: Christopher R. Mora, P.E. Public Works Director FROM: James D. Gray, Jr. Coastal Engineer �Vl� CONSEN SUBJECT: Sector 3 Dune Repair Project, Change Order No. 2 Contract Increase - Additional Sand Fill Guettler Brothers Construction, LLC DATE: March 17, 2015 DESCRIPTION AND CONDITIONS On July 8, 2014, the Board of County Commissioners awarded a contract to Guettler Brothers Construction, LLC. (Guettler) to repair the dunes damaged by Hurricane Sandy (October, 2012) within the Sector 3 Beach and Dune Restoration Project area. The project utilizes sand from mined upland sand sources transported to the beach in trucks. The project will repair approximately 31,000 feet (5.9 miles) of storm damaged dunes by placing approximately 154,700 cubic yards of beach compatible sand landward of the mean high water line (MHWL). As required by permit all sand placement must occur prior to April 30, 2015. The total awarded contract amount was $3,076,920. On November 4, 2014, the Board approved Change Order No. 1 which eliminated the 75% Sand Stockpile Provision of the contract, but did not modify the contract amount which remained at $3,076,920. As of March 16, 2015, Guettler has constructed approximately 90% of the project area however has reached nearly 100% of the contact quantity of 154,700 cubic yards for sand fill. Staff determined that additional sand was needed to fully construct the project following recent erosion resulting from the December 2014 and January 2015 Nor'easters. Based on survey data provided by Guettler, our engineer has forecasted a new total volume to fully complete the project as designed to be approximately 175,000 cubic yards, which represents a 20,300 cubic yards/13.1% increase in the contract quantity for sand fill. M:\Coastal Docs\Final Change Order No 2 - Sector 3 Dune Repair Project -- 3-24-15.docx 25