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1 <br /> 1 1 <br /> 2 • Bond strength shall meet one of the following: <br /> 3 <br /> I <br /> 4 250 psi or higher at 28 days or less in accordance with ASTM C1583. <br /> 5 <br /> 6 2000 psi or higher at 28 days or less in accordance with ASTM C882. The <br /> I <br /> 7 following modification to ASTM C882 is acceptable: use Type 3 Grout in lieu <br /> 8 of epoxy resin base bonding system and freshly mixed portland-cement <br /> 9 mortar in the procedure for testing Type II and V systems. <br /> 10 <br /> 111 <br /> 11 • Drying shrinkage shall be 0.08 percent (800 microstrain) or lower at 28 days in <br /> 12 accordance with AASHTO T 160 (ASTM C157). The following modification to <br /> 13 AASHTO T 160 is acceptable: use a standard specimen size of 3 x 3 x 11-% <br /> 14 inches. <br /> 15 <br /> 16 9-20.5 Bridge Deck Repair Material <br /> I <br /> 17 Item number 3 of the first paragraph is revised to read: <br /> 18 <br /> 19 3. Permeability of less than 2,000 coulombs at 28-days or more in accordance with <br /> I <br /> 20 AASHTO T 277. <br /> 21 <br /> 22 Section 9-21, Raised Pavement Markers (RPM) <br /> 23 January 2, 2018 1 <br /> 24 9-21.2 Raised Pavement Markers Type 2 <br /> 25 This section's content is deleted. <br /> I <br /> 26 <br /> 27 9-21.2(1) Physical Properties <br /> 28 This section, including title, is revised to read: <br /> I <br /> 29 <br /> 30 9-21.2(1) Standard Raised Pavement Markers Type 2 <br /> 31 The marker housing shall contain reflective faces as shown in the Plans to reflect incident <br /> 32 light from either a single or opposite directions and meet the requirements of ASTM D 4280 <br /> 33 including Flexural strength requirements. <br /> 34 <br /> 35 9-21.2(2) Optical Requirements <br /> I <br /> 36 This section, including title, is revised to read: <br /> 37 <br /> 38 9-21.2(2) Abrasion Resistant Raised Markers Type 2 <br /> 39 Abrasion Resistant Raised Markers Type 2 shall comply with Section 9-21.2(1) and meet <br /> 40 the requirements of ASTM D 4280 with the following additional requirement: The coefficient <br /> 41 of luminous intensity of the markers shall be measured after subjecting the entire lens <br /> 42 surface to the test described in ASTM D 4280 Section 9.5 using a sand drop apparatus. <br /> 43 After the exposure described above, retroreflected values shall not be less than 0.5 times a <br /> 44 nominal unblemished sample. <br /> 45 <br /> I <br /> 46 9-21.2(3) Strength Requirements <br /> 47 This section is deleted in its entirety. <br /> 48 1 <br /> City of Everett Page AM-132 Amendments <br /> Everett Station 80 Stall Parking Expansion June 2019 <br /> I <br />