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1 operation shall be terminated and shall remain suspended for the first 24 hours of curing <br /> 2 time after the completion of concrete placement. <br /> I 3 <br /> 4 6-09.3(12) Finishing Concrete Overlay <br /> 5 The third paragraph is deleted. <br /> ' 6 <br /> 7 The last paragraph is deleted. <br /> 8 <br /> 9 6-09.3(13) Curing Concrete Overlay <br /> 10 The first sentence of the first paragraph is revised to read: <br /> 11 <br /> 12 As the finishing operation progresses, the concrete shall be immediately covered with a <br /> 13 single layer of clean, new or used, wet burlap. <br /> 14 <br /> 15 The last sentence of the second paragraph is deleted. <br /> 16 <br /> 17 The following two new paragraphs are inserted after the second paragraph: <br /> 18 <br /> 19 As an alternative to the application of burlap and fog spraying described above, the <br /> 20 Contractor may propose a curing system using proprietary curing blankets specifically <br /> 21 manufactured for bridge deck curing. The Contractor shall submit a Type 2 Working <br /> 22 Drawing consisting of details of the proprietary curing blanket system, including product <br /> 23 literature and details of how the system is to be installed and maintained. <br /> 24 <br /> 25 The wet curing regimen as described shall remain in place for a minimum of 42-hours. <br /> 26 <br /> 27 The last paragraph is deleted. <br /> I 28 <br /> 29 6-09.3(14) Checking for Bond <br /> 30 The first sentence of the first paragraph is revised to read: <br /> 31 <br /> 32 After the requirements for curing have been met, the entire overlaid surface shall be <br /> 33 sounded by the Contractor, in a manner accepted by and in the presence of the <br /> 34 Engineer, to ensure total bond of the concrete to the bridge deck. <br /> 35 <br /> 36 The last sentence of the first paragraph is deleted. <br /> 37 <br /> 1 38 The second paragraph is deleted. <br /> 39 <br /> 40 6-10.AP6 <br /> 41 Section 6-10, Concrete Barrier <br /> 42 August 7, 2017 <br /> 43 6-10.3(5) Temporary Concrete Barrier <br /> 44 This section title is revised to read: <br /> 45 <br /> 46 Temporary Barrier <br /> 47 <br /> 48 The first paragraph is revised to read: <br /> 49 <br /> 50 For temporary barrier, the Contractor may use precast concrete barrier or temporary <br /> 51 steel barrier. Temporary concrete barrier shall comply with Standard Plan requirements <br /> 52 and cross-sectional dimensions, except that: (1) it may be made in other lengths than <br /> HOT MIX ASPHALT OVERLAY-2018 PAGE 21 OF 53 March 6,2018 <br /> WORK ORDER#3667 <br /> AMENDMENTS TO STANDARD PROVISIONS <br />