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1 The Contractor shall texture the bridge deck surface to within 3-inches minimum and <br /> 2 24-inches maximum of the edge of concrete at expansion joints, within 1-foot minimum <br /> I 3 and 2-feet maximum of the curb line, and within 3-inches minimum and 9-inches <br /> 4 maximum of the perimeter of bridge drain assemblies. <br /> 5 <br /> 1 6 6-02.3(10)F Bridge Approach Slab Orientation and Anchors <br /> 7 The last paragraph is deleted. <br /> 8 <br /> I 9 6-02.3(13)A Strip Seal Expansion Joint System <br /> 10 In item number 3 of the third paragraph, "Federal Standard 595" is revised to read "SAE <br /> 11 AMS Standard 595". <br /> I 12 <br /> 13 6-02.3(23) Opening to Traffic <br /> 14 This section is supplemented with the following new paragraph: <br /> I 15 <br /> 16 After curing bridge approach slabs in accordance with Section 6-02.3(11), the <br /> 17 bridge approach slabs may be opened to traffic when a minimum compressive strength <br /> I 18 of 2,500 psi is achieved. <br /> 19 <br /> 20 6-02.3(24)C Placing and Fastening <br /> I 21 The fourth sentence of the second paragraph is revised to read: <br /> 22 <br /> 23 All epoxy-coated bars in the top mat of the bridge deck shall be tied at all intersections, <br /> 24 however they may be tied at alternate intersections when spacing is less than 1 foot in <br /> ' 25 each direction and they are supported by continuous supports meeting all other <br /> 26 requirements of supports for epoxy-coated bars. <br /> 27 <br /> I 28 The sixth paragraph (excluding the numbered list) is revised to read: <br /> 29 <br /> 30 Precast concrete supports (or other accepted devices) shall be used to maintain the <br /> I 31 concrete coverage required by the Plans. The precast concrete supports shall: <br /> 32 <br /> 33 Item number 2 of the sixth paragraph is revised to read: <br /> I 34 <br /> 35 2. Have a compressive strength equal to or greater than that of the concrete in which <br /> 36 they are embedded. <br /> I 37 <br /> 38 The first sentence of the seventh paragraph is revised to read: <br /> 39 <br /> 40 In slabs, each precast concrete support shall have either: (1) a grooved top that will hold <br /> I 41 the reinforcing bar in place, or (2) an embedded wire that protrudes and is tied to the <br /> 42 reinforcing steel. <br /> 43 <br /> I 44 The eighth paragraph is revised to read: <br /> 45 <br /> 46 Precast concrete supports may be accepted based on a Manufacturer's Certificate of <br /> I 47 Compliance. <br /> 48 <br /> 49 The ninth paragraph (excluding the numbered list) is revised to read: <br /> I50 <br /> IIIWEST MARINE VIEW DRIVE UTILITIES PAGE 18 OF 60 August 2018 <br /> WORK ORDER#3588 <br /> IWSDOT AMENDMENTS Rev 4/2/18 <br />