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1 <br /> 1 9-18.AP9 <br /> 2 Section 9-18, Precast Traffic Curb <br /> 1 3 April 2, 2018 <br /> I 4 9-18.1(1) Aggregates and Proportioning <br /> 5 Item number 1 of the first paragraph is revised to read: <br /> 6 <br /> 7 1. Portland cement or blended hydraulic cement shall conform to the requirements of <br /> I 8 Section 9-01 except that it may be Type I portland cement conforming to AASHTO <br /> 9 M 85. <br /> 10 <br /> I 11 9-20.AP9 <br /> 12 Section 9-20, Concrete Patching Material, Grout, and Mortar <br /> 13 January 2, 2018 <br /> 1 14 9-20.5 Bridge Deck Repair Material <br /> 15 Item number 3 of the first paragraph is revised to read: <br /> 16 <br /> I 17 3. Permeability of less than 2,000 coulombs at 28-days or more in accordance with <br /> 18 AASHTO T 277. <br /> I 19 <br /> 20 9-21.AP9 <br /> 21 Section 9-21, Raised Pavement Markers (RPM) <br /> I22 January 2, 2018 <br /> 23 9-21.2 Raised Pavement Markers Type 2 <br /> I 24 This section's content is deleted. <br /> 25 <br /> 26 9-21.2(1) Physical Properties <br /> 27 This section, including title, is revised to read: <br /> I 28 <br /> 29 9-21.2(1) Standard Raised Pavement Markers Type 2 <br /> 30 The marker housing shall contain reflective faces as shown in the Plans to reflect <br /> I 31 incident light from either a single or opposite directions and meet the requirements of <br /> 32 ASTM D 4280 including Flexural strength requirements. <br /> 33 <br /> I 34 9-21.2(2) Optical Requirements <br /> 35 This section, including title, is revised to read: <br /> 36 <br /> I 37 9-21.2(2) Abrasion Resistant Raised Markers Type 2 <br /> 38 Abrasion Resistant Raised Markers Type 2 shall comply with Section 9-21.2(1) and <br /> 39 meet the requirements of ASTM D 4280 with the following additional requirement: The <br /> I 40 coefficient of luminous intensity of the markers shall be measured after subjecting the <br /> 41 entire lens surface to the test described in ASTM D 4280 Section 9.5 using a sand drop <br /> 42 apparatus. After the exposure described above, retroreflected values shall not be less <br /> I 43 than 0.5 times a nominal unblemished sample. <br /> 44 <br /> 45 9-21.2(3) Strength Requirements <br /> 1 46 This section is deleted in its entirety. <br /> 47 <br /> IWEST MARINE VIEW DRIVE UTILITIES PAGE 52 OF 60 August 2018 <br /> WORK ORDER#3588 <br /> IWSDOT AMENDMENTS Rev 4/2/18 <br />