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ANSWER NO. 11 SECTION 285 — OPTIONAL BASE COURSE (FULL DEPTH RECLAMATION), Division Two TECHNICAL SPECIFICATIONS, in the Contract Documents, the first full paragraph on page 01025-28 BASE COURSE DESIGN - The Contractor shall review the core data provided for the existing roadway and shall perform testing and/or coring prior to submitting a Bid to verify that the Cold Recycled Bituminous Base Course Mix Design or the Reclaimed Asphalt Base Course Mix Design, as applicable, has a minimum Structural Number (SN) of 1.8 for the total thickness of the finished/completed base course. The Contractor shall be responsible for preparing Mix Designs for the Cold Recycled Bituminous Base Course Mix Design or the Reclaimed Asphalt Base Course Mix Design, as applicable, prior to the start of construction. The Contractor will also be required to test the completed base course and provide test results that verify that the completed base course meets the specified Structural Number. In the event that the completed reclaimed asphalt base does not meet the minimum Structural Number specified, the County may require corrective work on the base course or the placement of additional asphalt surface course. All Mix Design testing/preparation and testing for verification of the Structural Number shall be performed by an independent testing laboratory and all costs associated with the Mix Design preparation and SN verification testing shall be the responsibility of the Contractor. is hereby amended to read as follows: BASE COURSE DESIGN - The Contractor shall review the core data provided for the existing roadway and shall perform testing and/or coring prior to submitting a Cold Recycled Bituminous Base Course Mix Design or the Reclaimed Asphalt Base Course Mix Design, as applicable, having a minimum Structural Number (SN) of 1.8 for the total thickness of the finished/completed base course. The Contractor shall be responsible for preparing Mix Designs for the Cold Recycled Bituminous Base Course Mix Design or the Reclaimed Asphalt Base Course Mix Design, as applicable, prior to the start of the Full Depth Reclamation process. The Contractor will also be required to test the completed base course and provide test results that verify that the completed base course meets the specified Structural Number. In the event that the completed reclaimed asphalt base does not meet the minimum Structural Number specified, the County may require corrective work on the base course or the placement of additional asphalt surface course. All Mix Design testing/preparation and testing for verification of the Structural Number shall be performed by an independent testing laboratory and all costs associated with the Mix Design preparation and SN verification testing shall be the responsibility of the Contractor. ATTACHMENT: 1. Revised: Itemized Bid Schedule 2. Pre -Bid Meeting Minutes, September 30, 2015 3. Appendix D, INDIAN RIVER COUNTY TRAFFIC ENGINEERING DIVISION SPECIAL CONDITIONS FOR RIGHT-OF-WAY CONSTRUCTION. 4. Revised Plans Sheets 54 through 71 inclusive (Signing and Markings) of the Construction Drawings. Page 6 of 7 F\Public Works'ENG[NEERING DIVISION PROJECTS 1138 -Old Dixie Hwy Resurfacing -71st St to CR 510Wdmim\Addenda\Addendum No.l, 10-I-15.doc